ABB ATS022 (01) PDF MANUAL

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PDF OCR Transcript: Doc. No. 1SDH000760R0002 - L5785 Automatic transfer switch ATS022 Installation and operating instructions

Installation Contents and operating instructions, ATS022 Contents

  1. Safety notes ....................................................................................................................... 4 2. Explanation of abbreviations and terms ......................................................................... 5 2.1. General information ....................................................................................................................... 5 2.2. Times .............................................................................................................................................5 3. Introduction ........................................................................................................................ 6 3.1 Product overview ...........................................................................................................................6 3.2 Application scenarios ....................................................................................................................6 4. Applications of device ATS022 ......................................................................................... 8 4.1 Switching Main Line – Emergency Line (2CBs) .............................................................................8 4.2 Switching Main Line – Emergency generator (2CBs) ....................................................................9 4.3 Non priority loads control (NPL) ..................................................................................................10 4.4 Control of two independent power supply lines separated by Tie (3CBs Bus Tie) .....................14 4.5 Automatic switching without inverse procedure .........................................................................15 4.6 Line Priority Selection ..................................................................................................................16 5. Using the automatic transfer switch ............................................................................. 17 5.1 Interface.......................................................................................................................................17 5.2 LED indicators ............................................................................................................................. 18 5.3 Keypad keys ................................................................................................................................19 5.4 Setting the operating modes .......................................................................................................20 5.4.1 Manual mode ...............................................................................................................................20 5.4.2 Automatic mode .......................................................................................................................... 20 5.5 Graphic Display ........................................................................................................................... 21 5.5.1 LN1 and LN2 lines status indication ............................................................................................22 5.5.2 Browsing through the Menu ........................................................................................................22 5.6 Using pushbuttons in manual mode ...........................................................................................26 5.7 Test Modes .................................................................................................................................. 26 6. Input and output signals ................................................................................................. 28 6.1 Output signals (DO1...DO12) ......................................................................................................28 6.2 Input signals ................................................................................................................................29 7. Technical data .................................................................................................................. 36 8. Installation of device ATS022 ......................................................................................... 37 8.1. Door-mounted Automatic Transfer Switch ATS022 ....................................................................37 8.2. DIN rail-mounted Automatic Transfer Switch ATS022.................................................................38 9. Regulatory standards ...................................................................................................... 39 10. Troubleshooting ............................................................................................................... 40

1SDH000760R0002 3

Installation and operating instructions, ATS022 1. Safety notes

  1. Safety notes Before using the ATS022 unit, read the following “Safety notes”: using the unit without following the indications can lead to malfunctioning and, in some cases, hazardous conditions. If there are doubts about safe use, the unit must be put out of service. The automatic transfer switch ATS022 must be prevented from operating the circuit breakers before: • accessing the circuit breakers • performing maintenance on circuit breakers or any electrical circuits powered by them • performing any operation where opening/closing the circuit breaker could be dangerous During maintenance: • set the "Manual" mode. • lock the circuit breaker mechanically in the open position. Safe use is not guaranteed if: • the device has been damaged during transport • the device shows visible signs of damage • the device does not work • the device has been stored for a long period Even if the device seems to be in stand-by status switch it off from the control circuit, as there is risk of it operating the circuits without warning. 1SDH000760R0002 4

Installation 2. Explanation of abbreviations and terms and operating instructions, ATS022

  1. Explanation of abbreviations and terms 2.1. General information ATS: Automatic Transfer Switch; automatic switching device ATS022: ATS of the ATS02x series, version with display and Modbus communication. CB: Circuit Breaker; low voltage automatic Circuit Breaker. CB1: CB on line LN1. CB2: CB on line LN2. CB3: CB for Bus Tie, NPL and NPL BUS TIE operating modes. LN1: Power supply line No.1. LN2: Power supply line No.2. Bus Tie: Operating mode with busbar tie circuit breaker. NPL: Operating mode with non priority control circuit breaker NPL BUS TIE: Operating mode with non priority control circuit breaker for non priority loads control Modbus RTU: Communication protocol. 2.2. Times NOTE: All the details of the times and switching logics are described in the Chapters concerned. TS: - Opening delay of main line CB, after detection of fault in mains (generator is not in use) - Generator start delay, after detection of fault in mains (generator in use). TCE: Closing delay of CB2 of line LN2 TBS: Opening delay of emergency line CB, after detection of stabilised voltage on main line. TCN: Closing delay of CB1 of line LN1 TGOFF: Generator switching off delay, after closure of main line CB. TC: Delay in opening and closing of CB3 in Bus Tie application.

1SDH000760R0002 5 Installation and operating instructions, ATS022

  1. Introduction
  2. Introduction 3.1 Product overview

The automatic transfer switch ATS022 is used in all installations where switching is required between two lines to ensure the supply of loads in case of a fault on one line. ATS022 selects the power supply line by acting directly on the CBs provided on the lines: ATS022 can be used with automatic CBs and ABB SACE switch-disconnectors. The device monitors the voltage of the main line and emergency line and records the following faults: • Maximum and minimum voltage • Maximum and minimum Frequency • Phase balance • Voltage imbalance • Frequency imbalance ATS022 does not require an auxiliary safety power supply since it is powered directly by the line voltages. If both lines are absent, ATS022 enters Powersave mode (maximum duration 1 minute) in which the device is active and in stand-by for one of the power supply lines to be restored. When the Powersave period ends, the LED switches off and the device awaits a line voltage. The moment the main or the emergency line is restored, the unit analyses the conditions of the lines monitored and the status of the circuit breakers and proceeds with the switching operation in accordance with the situation concerned. The safety auxiliary supply is obligatory in the following cases: • utilisation of Modbus RS485 communication • utilisation in systems with rated frequency 16 2/3Hz • utilisation in single-phase systems with Un 57,5...109VAC A 24VDC ....110VDC auxiliary safety power supply can be used (-10%, +15%). ATS022 can be used in systems with rated frequency 50Hz, 60Hz, 400Hz, 16 2/3 Hz that can be set from the menu. The device can be used in systems with single-phase, three-phase with Neutral and three-phase without neutral, setting can be done from the menu. ATS022 makes it possible to select from the display a different distribution system between Line LN1 and Line LN2. ATS022 can be used in manual or automatic mode. In the first case the circuit breakers must be controlled by means of the pushbuttons present on the front panel of the device, while in automatic mode, the switching logic is controlled directly by the device The device is equipped with a front graphic display by means of which the user can check the settings and display the status of the unit and the circuit breakers connected to it. It is also possible to integrate the ATS022 device inside a communication network which uses the Modbus RS485 protocol. 3.2 Application scenarios The ATS022 device can be used in the following applications: • Main line – Emergency line switching • Main line – Emergency generator switching ATS022 makes it possible to operate a thrid circuit breaker CB3 and can therefore also be used in the following applications which can be set on the menu: • non priority loads control with CB3 on starting line (3CBs NPL) • non priority loads control with CB3 Bus Tie (3CBs NPL Bus Tie) • control of two independent power supply lines separated by Bus Tie (3CBs Bus Tie) 1SDH000760R0002 6

Installation 3. Introduction and operating instructions, ATS022

The ATS022 also makes it possible to select which of the lines is the main one and which one is secondary, also with the system running. The following selections are possible, set from the menu: • Main line: Line LN1 • Main line: Line LN2 • No priority line In automatic mode, it is possible to select whether or not the switching procedure must include inverse switching. The following selections are possible: • with inverse procedure • without inverse procedure

1SDH000760R0002 7

Installation and operating instructions, ATS022

  1. Applications of device ATS022 The ATS022 device controls all the switching sequences by applying the time delays that can be set: Time delays Description Value TS Delay Opening delay of main line CB after detection of a fault in the mains (Generator is not in use) Generator start delay after detection of a fault in the mains 0...30s (Generator in use). TBS Delay Opening delay of emergency line CB. 0...59s, 1,2,3...30min TCE Delay Closing delay of line LN2 CB2 0...60s TCN Delay Closing delay of CB1 of line LN1. 0...60s TC Delay Opening and closing delay of CB3 if used in Bus Tie application. 0...60s TGOFF Delay Generator switching off delay after closure of line LN1 CB1. 0...59s, 1,2,3...30min Table 4.1: Description of time delays 4.1 Switching Main Line – Emergency Line (2CBs) Description Both lines are normally present; in cause of anomaly on the main line, ATS022 switches to the emergency line used as the reserve line. Figure 4.1: 2CBs application layout – generator not in use 1SDH000760R0002 8
  2. Applications of device ATS022 Installation 4. Applications of device ATS022 and operating instructions, ATS022 Time diagrams Line 1 ok CB1 CLOSED Line 2 ok CB2 CLOSED

TS TCE TBS TCN Figure 4.2: 2CBs application time diagram - main line LN1 4.2 Switching Main Line – Emergency generator (2CBs) Description In case of main line failure ATS022 automatically starts up an emergency generator and, as soon as power on the generator side is available, ATS022 starts the automatic switching procedure. G Figure 4.3: 2CBs application layout – generator in use

1SDH000760R0002 9 Installation and operating instructions, ATS022 Time diagrams Line 1 ok CB1 CLOSED Gen start Line 2 ok CB2 CLOSED

  1. Applications of device ATS022

TS TCE TBS TCN TGOFF Figure 4.4: 2CBs application time diagram - generator in use 4.3 Non priority loads control (NPL) Description In case of main line failure the ATS022 starts the switching procedure and controls the non priority loads by opening closing circuit breaker CB3. ATS022 acquires the CB3 open/close status from the dedicated input DI11 and commands the opening and closing by activating output DO11. The application of non priority loads requires the use of two CT-AWE typed timed relays for operating the opening and closing of CB3. Two configurations are possible for utilisation depending on the position of circuit breaker CB3: • CB3 in Bus Tie position (3CBs NPL – BUS TIE) • CB3 on starting line (3CBs NPL). It is possible to select from two options from the menu on the display: • only disconnection of non priority loads by opening CB3 (manual re-closure). In this case timed relays CT-AWE are not necessary • disconnection and re-connection of non priority loads by opening and closing of CB3 For more details refer to the wiring diagrams of the product. 1SDH000760R0002 10

Installation 4. Applications of device ATS022 and operating instructions, ATS022

CB1 CB2 CB3 NPL Figure 4.5: Application layout 3CBs NPL BUSTIE CB1 CB2 CB3 NPL Figure 4.6: Application layout 3CBs NPL

1SDH000760R0002 11 Installation and operating instructions, ATS022

  1. Applications of device ATS022 Time diagrams Line 1 ok CB1 CLOSED Gen start Line 2 ok CB2 CLOSED CB3 CLOSED

TS TCE TBS TCN TGOFF Figure 4.7: Application time diagram 3CBs NPL BUS TIE - generator in use Line 1 ok CB1 CLOSED Line 2 ok CB2 CLOSED CB3 CLOSED TS TCE TBS TCN Figure 4.8: Application time diagram 3CBs NPL BUS TIE - generator not in use - main line LN1 1SDH000760R0002 12 Installation 4. Applications of device ATS022 and operating instructions, ATS022 Line 1 ok CB1 CLOSED Gen start Line 2 ok CB2 CLOSED CB3 CLOSED TS TCE TBS TCN Figure 4.9: Application time diagram 3CBs NPL- generator in use TCE 1SDH000760R0002 13 TGOFF Line 1 ok CB1 CLOSED Line 2 ok CB2 CLOSED CB3 CLOSED TS TBS TCN Figure 4.10: Application time diagram 3CBs NPL - generator not in use - main line LN1

Installation and operating instructions, ATS022

  1. Applications of device ATS022

4.4 Control of two independent power supply lines separated by Tie (3CBs Bus Tie) Description Lines LN1 and LN2 supply two different sections of the plant separated by a bus tie circuit breaker CB3, normally open. In case of failure of one of the two supply lines, ATS022 closes CB3; the available line thus powers both the sections downline. When the line is restored ATS022 restores the normal plant conditions by opening CB3. ATS022 acquires the open/close status of the device by means of dedicated input DI11 and commands the opening and closing by activating output DO11. The Bus Tie application requires the use of two CT-AWE type timed relays for operating the opening and closing of CB3. The three circuit breakers CB1 – CB2 – CB3 must be interlocked mechanically for reasons of safety (Emax circuit breakers – C type interlock). CB1 CB2 CB3 Figure 4.11: Application layout 3CBs BUS TIE Time diagrams Line 1 ok CB1 CLOSED Line 2 ok CB2 CLOSED CB3 CLOSED TS TC TCN TBS Figure 4.12: Application time diagram 3CBs BUS TIE – line LN1 failure 1SDH000760R0002 14

Installation 4. Applications of device ATS022 and operating instructions, ATS022 Line 1 ok CB1 CLOSED Line 2 ok CB2 CLOSED CB3 CLOSED

TS TC TBS TCN Figure 4.13: Application time diagram 3CBs BUS TIE – line LN2 failure 4.5 Automatic switching without inverse procedure Description Following an anomaly of the main line, ATS022 switches on an emergency line (1). If the mains supply is restored, the inverse switching procedure is not started up (2). If there is a fault in the reserve line, ATS022 must open the emergency switch (3) and wait for restoration of the emergency line to reclose (4), without in any case providing for switching on the main line. This operating mode is also applicable if the generator is present: in this case, after time Ts the generator is started up and as soon as the emergency line is available CB1 is opened. ATTENTION If ATS022 is not powered by the auxiliary supply and by any of the two lines the device waits for at least one of the two lines (5) to return before proceeding with the switching procedure (6). The option is not available in case of 3CBs Bus Tie application and in case of selection of the no priority line option. Time diagrams (1) (2) (3) (4) (5) (6) Line 1 ok CB1 CLOSED Line 2 ok CB2 CLOSED TS TCE TBS TCE TBS Figure 4.14: 2CBs application time diagram - generator not in use – without inverse switching procedure

1SDH000760R0002 15 Installation and operating instructions, ATS022 4.6 Line Priority Selection

  1. Applications of device ATS022

Description ATS022 allows selection of the main line by means of the menu on the display. The following selections are possible:

  • main line: Line LN1 - main line: Line LN2 (selection possible only if generator is not in use) - no line priority: ATS022 ensures power supply to the load from any of the two lines without considering either of these as priority, therefore, for example, following switching on line LN2 due to failure of line LN1, ATS022 remains on line LN2 even if LN1 is restored. Time diagrams Line 1 ok CB1 CLOSED Line 2 ok CB2 CLOSED TS TCE TBS TCN Figure 4.16: Time Diagram no line priority – generator non in use Line 1 ok CB1 CLOSED Gen start Line 2 ok CB2 CLOSED TS TCE Figure 4.17: Time diagram no line priority – generator in use 1SDH000760R0002 16 Installation 4. Applications of device ATS022 and operating instructions, ATS022
  • Using the automatic transfer switch 5.1 Interface Code 1234567 1SDH000760R0002 17 ATS022 M3010004A Status of the line No voltage 16Undervoltage Overvoltage Phase missing Voltage unbalance Incorrect phase sequence 15Invalid frequency 142 511011 RESET 13 4 7 6 3 9 8 Figure 5.1: Description of ATS022 front panel interface Ref. Description 1 CB1: pushbutton for opening/closing circuit breaker CB1 2 CB2: pushbutton for opening/closing circuit breaker CB2 3 CB3: CB3 opening/closure procedure graphic indication (combination of UP-DOWN keys for at least 2sec) 4 RESET: pushbutton for automatic/manual mode selection and alarms reset 5 TEST: test modes selection pushbutton 6 ENTER: pushbutton for confirming an action 7 ESC: pushbutton for returning to the previous step 8 UP: pushbutton for moving up on the menu 9 DOWN: pushbutton for moving down on the menu 10 LED POWER: indicates presence of power supply 11 LED AUTO: indicates automatic or manual mode 12

Installation and operating instructions, ATS022

  1. Using the automatic transfer switch

Ref. Description 12 LED ALARM: indicates active alarm 13 Tx/Rx LED: indicates bus communication status 14 GRAPHIC DISPLAY 15 PLATE SHOWING LINES STATUS CODES 16 Serial No. Table 5.1: Description of ATS022 interface 5.2 LED indicators Alarm The steady red Alarm LED may indicate the switching logic disabled condition or one of the following events: • circuit breakers command failed • protection releases tripped • removal of circuit breakers • generator alarm • logic disabling from input DI3 • both CBs closed The alarm LED switches Off indicating that the switching logic is enabled and no alarms are present Auto The Auto LED indicates the operating mode: • manual: LED Off • automatic: steady green LED • test: flashing green LED Power LED Power LED indicates the presence of power supply: • power supply present: steady green LED indicates power supply from line voltage or from auxiliary source present • no power supply: LED Off indicates that both lines are not present and that the Powersave condition has ended. The switching logic is in stand-by for return of one of the line voltages • Powersave: green flashing LED indicates, if both lines are absent and if no auxiliary power supply is present, that the device is active and is in stand-by for return of one of the line voltages (maximum duration 1 minute). When the Powersave period ends, the LED switches off and the device awaits a line voltage. The moment the normal or the emergency line is restored, with ATS022 in automatic, the unit analyses the conditions of the lines monitored and the status of the circuit breakers and proceeds with the switching operation in accordance with the situation concerned. TX/RX The TX/RX LED indicates the bus communication status. • Communication via bus under way: green LED flashing at variable frequency • Communication via bus not active: LED Off 1SDH000760R0002 18

Installation 5. Using the automatic transfer switch and operating instructions, ATS022 5.3 Keypad keys

CB1 key In manual mode, press the CB1 key for Opening/Closure of circuit breaker CB1. CB2 key In manual mode, press the CB2 key for Opening/Closure of circuit breaker CB2. RESET Press RESET to select the Manual or Automatic operating mode. In case of alarm, press RESET to reset the alarm and the device returns to manual mode. Press RESET again to bring the device to automatic mode. TEST key Press the TEST key to set the test modes of the direct and inverse switching sequences. ATS022 must be in the manual position. To exit TEST mode press RESET. Enter key Used for confirming the action or entry to the menu. ESC key Used for cancelling an action and returning to previous menu. UP key Used for moving up on the menu. DOWN key Used for moving down on the menu.

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Installation and operating instructions, ATS022

  1. Using the automatic transfer switch 5.4 Setting the operating modes 5.4.1 Manual mode To select the Manual operating mode of unit ATS022: a. Make sure the Power LED is On, see Figure 5.2/1 b. If the Auto LED is OFF, see Figure 5.2/2, the automatic transfer switch is in Manual mode. c. If the AUTO LED is ON, press RESET, see Figure 5.2/3 . The Auto LED switches to OFF and the device is in Manual Mode, see Figure 5.2/4 . 1 2Manual mode ! OR 2 3 4 Manual mode TEST CB1 Figure 5.2: Description of manual mode selection procedure for ATS022 5.4.2 Automatic mode To select the Automatic operating mode of unit ATS022: a. Make sure the Power LED is On, see Figure 5.3/1 b. Press RESET once, see Figure 5.3/2. If the Auto LED is ON, the automatic transfer switch ATS022 is in Automatic mode, see Figure 5.3/3 c. If the Auto LED is OFF, press RESET again, see Figure 5.3/3; the Auto LED switches to ON and the device is in Automatic mode/ Figure 5.3/4 OR CB2 ! 1 2 3Automatic Mode CB1 TEST CB2 ! 3 4 5 CB1 TEST Figure 5.3: Description of automatic mode selection procedure for ATS022 Automatic Mode CB2 ! 1SDH000760R0002 20

Installation 5. Using the automatic transfer switch and operating instructions, ATS022 5.5 Graphic Display 1 14 7 2 15 19 10 6 LN1 TBS.. LN2 LN1: 0,0 V1GT 0,0 Hz 5 921 4 18 Figure 5.4: Description of ATS022 display Ref. Description 1 LN1: line 1 2 LN2: line 2 3 CB1 status graphic indicator 4 CB2 status graphic indicator 5 CB3 status graphic indicator 6 LN1 power presence icon 7 LN2 power presence icon 8 application type indicator 9 manual mode indicator 10 test mode indicator 11 generator presence indicator 12 generator start (UP arrow)/stop (DOWN arrow) indicator 13 open/close command execution indicator 14 timing indicator 15 LN1 power measurement 16 LN2 power measurement 17 LN1 frequency measurement 18 LN2 frequency measurement 19 LN1 line status code 20 LN2 line status code 21 local/remote mode indicator Table 5.2: Description of ATS022 display 1SDH000760R0002 21 172011 3 NPL 13 16 LN2: 0,0 1 0,0 G VHz M L12 8 Installation and operating instructions, ATS022

  1. Using the automatic transfer switch

5.5.1 LN1 and LN2 lines status indication The presence/absence of lines LN1 and LN2 is shown graphically on the display by means of filled/ empty icons, see Figure 5.4/6 – 5.4/7, and a specific status code If there is an anomaly on the line voltage, the icon concerned is empty and the error code is displayed as defined by the following Table: Line status Code No power 1 Minimum voltage 2 Maximum voltage 3 Phase missing 4 Phase imbalance 5 Inverted sequence 6 Frequency out of range 7 Table 5.3: Description of line status codes ATS022 5.5.2 Browsing through the Menu Press Enter to access the main Menu. Three different levels of configuration of the unit can be accessed from the main menu: Figure 5.5: Description of main menu ATS022 Access to the configuration pages requires a 4-digit password which must be entered using the UP, DOWN and ENTER keys. The password is valid for one minute after the last pressing of a key. For the first access to the system the password is 0001; subsequently change the password as desired. If the password is lost or forgotten, contact the service centre. 1SDH000760R0002 22 Installation 5. Using the automatic transfer switch and operating instructions, ATS022 Configuration of the System The system configuration section makes it possible to set: - The parameters of the two lines Parameters of lines LN1 - LN2 Value Factory settings Rated voltage 1SDH000760R0002 23 100V/57V– 115V/66V - 120V/70V - 208V/120V - 220V/127V - 230V/132V - 240V/138V - 277V/160V - 347V/200V - 380V/220V - 400V/230V - 415V/240V - 440V/254V - 480V/277V 400V/230V Rated frequency 50Hz - 60 Hz, 16 2/3 Hz, 400 Hz 50Hz Number of phases LN1 1 phase / 3 phases with N / 3 phases without N 3 phases with N Number of phases LN2 1 phase / 3 phases with N / 3 phases without N 3 phases with N Presence of external voltage transformer absent/present (for voltages greater than 480VAC) absent Primary voltage TV 100V/57V– 115V/66V - 120V/70V - 208V/120V - 220V/127V - 230V/132V - 240V/138V - 277V/160V - 347V/200V - 380V/220V - 400V/230V - 415V/240V - 440V/254V - 480V/277V - 500V/288V - 550V/317V - 600V/347V - 660V/380V - 690V/400V - 910V/525V - 950V/550V - 1000V/577V - 1150V/660V 690V/400 V Secondary voltage TV 100V/57V– 115V/66V - 120V/70V - 208V/120V - 220V/127V - 230V/132V - 240V/138V - 277V/160V - 347V/200V - 380V/220V - 400V/230V - 415V/240V - 440V/254V - 480V/277V 400V/230 V Table 5.4: Description of parameters of lines ATS022

  • Type of application Type of application Value Factory settings Protection devices 2CBs / 3CBs NPL opening only / 3CBs NPL opening&closing / 3CBs NPL BusTie / 3CBs Bus Tie 2CBs Utilisation of generator Generator not in use / Generator in use Generator not in use Priority Line Line LN1 / Line LN2 / No priority Line Line LN1 Switching With inverse procedure/Without inverse procedure With inverse procedure Table 5.5: Description of types of application ATS022 Device configuration The device configuration section makes it possible to set: - Limit thresholds Limit thresholds Value Factory settings Min/max voltage threshold -30% ...-5%, +5% ... +30%, step ± 1% (Imbalance of voltage set at same threshold) -15%; +15% Min/max frequency threshold -10% ...-1%, +1% ... +10%, step ± 1% -1%; +1% Table 5.6: Description of limit thresholds ATS022 Installation and operating instructions, ATS022
  • Using the automatic transfer switch
  • Time delays Time delays Value Factory settings TS Delay 0...30s, step 1s 0s TBS Delay 0...59s, , step 1s, 1,2,3...30min, step 1min 0s TCE Delay 0...60s, step 1s 3s TCN Delay 0...60s, step 1s 3s TC Delay 0...60s, step 1s 3s TGOFF Delay 0...59s, , step 1s, 1,2,3...30min, step 1min 5s Table 5.7: Description of time delays ATS022
  • Digital inputs Digital Input Value Factory settings Digital Input DI10 - function disabled/generator start/logic reset/EMERGENCY BLOCK enabling/remote Generator Start Digital Input DI10 - type NO/NC NO Digital Input DI8 - type NO/NC NO Table 5.8: Description of inputs ATS022
  • Modbus parameters Modbus Value Factory settings Modbus Address 1...247 1 Modbus Baud Rate 9600/19200/38400 bps 9600 Modbus Stop Bits 0,1 1 Modbus Parity even, odd, absent absent mode local, remote local Table 5.9: Description of Modbus parameters ATS022
  • Language and backlit display Function Value Factory settings Backlighting duration Always On, 0...59s, step 1s, 1,2,3...30min, step 1min Always On Language English/Italian/German/French/Spanish/Finnish/ Russian/Chinese English Table 5.10: Description of language and backlighting ATS022 1SDH000760R0002 24 Installation 5. Using the automatic transfer switch and operating instructions, ATS022 Diagnostics The diagnostics section makes it possible to access the following pages: Values Measured: the voltage and frequency values measured on lines LN1 and LN2 can be consulted on the display. Alarms Log: the latest alarms/events are displayed, up to a maximum of 20. The number of alarms is shown at the top of the page and the latest alarm is always at the top of the list. The log is cleared by selecting Clear Log and pressing Enter. Diagnostics Measured Alarm Log Values 1SDH000760R0002 25 2/2 SW: 1A SN: 12345678 Figure 5.5: Description of diagnostics menu ATS022 Figure 5.6: diagnostics – values measured page ATS022 Figure 5.7: diagnostics – Alarms Log page ATS022

Installation and operating instructions, ATS022

  1. Using the automatic transfer switch

5.6 Using pushbuttons in manual mode Opening/Closing circuit breakers CB1, CB2 In manual mode the circuit breakers can be controlled by means of pushbuttons CB1 and CB2. In case of a fault, the alarms are activated by the same methods as those for the automatic switching sequence. Pressing the CB1 key: • If CB1 is closed, the opening command is sent to CB1 • If CB1 and CB2 are both open, the closing command is sent to CB1 • If CB1 is open and CB2 is closed, no operation is carried out Pressing CB2 key: • If CB2 is closed, the opening command is sent to CB2 • If CB2 and CB1 are both open, the closing command is sent to CB2 • If CB2 is open and CB1 is closed, no operation is carried out Opening/Closing circuit breaker CB3 In manual mode, combination of the UP and DOWN keys allows Opening/Closing of circuit breaker CB3. • CB3 opening: press the UP and DOWN keys simultaneously for at least 2 seconds. • CB3 closing: press the UP and DOWN keys simultaneously for at least 2 seconds. Manual Start/Stop of generator In manual mode, the combination of the RESET, CB1 and CB2 keys allows Start/Stop of the generator. • Generator Start: keeping RESET pressed, press CB1 • Generator Stop: keeping RESET pressed, press CB2 5.7 Test Modes ATS022 makes it possible to select two different test modes: • testing the entire switching procedure (complete Test) • generator start/stop test (gen set test) WARNING: when the test procedure ends, the user must make sure the device is not left accidentally in TEST mode Complete Test With ATS022 in manual mode, press TEST: all the LEDs, except Tx/Rx, flash twice simultaneously and then the Auto LED Auto flashes every 0.5 sec.; the graphic display shows the icon T. The test procedure varies according to the application selected: 1SDH000760R0002 26 Installation 5. Using the automatic transfer switch and operating instructions, ATS022 2 CBs 3CBs NPL 1. Press TEST; start generator (not performed if generator is NOT in use)

  1. Press TEST; CB1 Opening
  2. Press TEST; CB2 Closure
  3. Press TEST; CB2 Opening
  4. Press TEST; CB1 Closure
  5. Press TEST; stop generator (not performed if generator is NOT in use) 1SDH000760R0002 27 1. Press TEST; start generator (not performed if generator is NOT in use)
  6. Press TEST; CB1 Opening
  7. Press TEST; CB3 Opening
  8. Press TEST; CB2 Closure
  9. Press TEST; CB2 Opening
  10. Press TEST; CB1 Closure
  11. Press TEST; CB3 Closure (not performed if ATS022 has activated the DISCONNECTION ONLY function)
  12. Press TEST; stop generator (not performed if generator is NOT in use) 3CBs NPL Bus Tie 3CBs Bus Tie 1. Press TEST; start generator (not performed if generator is NOT in use)
  13. Press TEST; CB1 Opening
  14. Press TEST; CB3 Opening
  15. Press TEST; CB2 Closure
  16. Press TEST; CB2 Opening
  17. Press TEST; CB3 Closure
  18. Press TEST; CB1 Closure
  19. Press TEST; stop generator (not performed if generator is NOT in use)
  20. Press TEST; CB1 Opening
  21. Press TEST; CB3 Closure
  22. Press TEST; CB3 Opening
  23. Press TEST; CB1 Closure
  24. Press TEST; CB2 Opening
  25. Press TEST; CB3 Closure
  26. Press TEST; CB3 Opening
  27. Press TEST; CB2 Closure Table 5.11: Description of complete TEST mode ATS022 At the end of the procedure, press TEST again to resume the sequence. Alarms, if any, on the protection devices control are activated in the same manner as the automatic and manual operating modes. The user can stop the TEST sequence by pressing the RESET. Gen Set Test This test mode makes it possible to test only the generator start and stop with the plant running without opreating the circuit breakers on the line in any manner whatsoever, only if the ATS022 is set with the generator in use, otherwise the Gen Set Test is not performed.

Installation and operating instructions, ATS022

  1. Using the automatic transfer switch

With ATS022 in manual mode, keep the TEST key pressed for at least 3 seconds, on releasing the TEST key, all the LEDs, except Tx/Rx, flash simultaneously four times and then the Auto LED flashes at 0.5Hz; the graphic display shows the GT icon. The test procedure is as follows:

  1. Press TEST; start generator 2. Press TEST; stop generator Table 5.12: Description of test method GEN SET ATS022 1SDH000760R0002 28

Installation 6. Input and output signals and operating instructions, ATS022

  1. Input and output signals 6.1 Output signals (DO1...DO12)

DO1, DO2, DO3, DO4: Circuit breakers open/close command Output signals DO1, DO2, D03, DO4 control the opening and closure of circuit breakers CB1 and CB2 connected to ATS022. The control logic integrated in the device punctually checks the correct operation of the circuit breakers following the command. If the change in status of the circuit breaker is not received within 5 seconds of sending the command, the device considers the command as failed and operates as below: • alarm LED lights up. • DO6 alarm output activation • DO9 alarm output activation The alarm relative to the failed operation is recorded in the section concerned of the "Alarms Log". To reset the alarm press RESET: the alarm is reset and ATS022 goes into manual mode. Press RESET again to bring ATS022 to automatic mode. DO5 Emergency generator start/stop command Start and stop of the Emergency generator are controlled by means of a bistable relay, making it possible to maintain the generator start command even when the powersave mode runs out. • contact DO5 (X23:1 ; X23:2 - NO): - stop unit = contact open - start unit = contact closed • contact DO5 (X23:2 ; X23:3 - NC): - stop unit = contact closed - start unit = contact open DO6 Alarm signal When an alarm is generated, contact DO6 switches, the switching logic is disabled and the alarm LED lights up. To reset the alarm press RESET: the alarm is reset, the Alarm LED turns Off and the ATS022 enters manual mode. Press RESET again to bring ATS022 to automatic mode. DO7-DO8 Not available DO9 Circuit breaker operation failed alarm indication When the opening or closing command of a circuit breaker fails, contact DO9 closes; the switching logic is disabled and the Alarm LED lights up. To reset the alarm press RESET: the alarm is reset, the Alarm LED turns Off and the ATS022 enters manual mode. Press RESET again to bring ATS022 to automatic mode. DO10 Automatic/Manual mode indication Contact DO10 indicates the operating mode of the device: • DO10 open: ATS022 operates in automatic mode • DO10 closed: ATS022 operates in manual mode DO11 CB3 circuit breaker control Depending on the operating mode set, contact DO11 allows control of only opening or opening/closing of circuit breaker CB3: Protection Devices selection DO11 NOTES 2 CBs not used

1SDH000760R0002 29

Installation and operating instructions, ATS022

  1. Input and output signals 3CBs NPL used CT-AWE type timed relays required if selected opening&closing option 3CBs NPL Bus Tie used CT-AWE type timed relays required 3CBs Bus Tie used CT-AWE type timed relays required *The CT-AWE must be adjusted with a time between 200ms and 300ms. Table 6.1: Description of DO11 functions - ATS022 DO12 Logic enabled/disabled indication Contact DO12 indicates whether switching logic is enabled or disabled: • DO12 open: logic enabled • DO12 closed: logic disabled 6.2 Input signals DI1, DI2 Status signals of circuit breakers CB1, CB2 Inputs DI1, DI2 must be connected to auxiliary contacts of the status of the circuit breakers of the normal and emergency lines • DI1, DI2 open: CB open • DI1, DI2 closed: CB closed DI3 Switching Logic Activation/Deactivation Input DI3 is used for enabling/disabling the switching logic. The function may be used for integrating generic alarms coming from the plant the presence of which leads to disabling of ATS022 automatic switching logic. • DI3 open: logic disabled • DI3 closed: logic enabled DI4, DI5 Circuit breakers activation indication The auxiliary opening contacts of the normal and emergency lines must be connected to contacts DI4, DI5 for activation of the trip. • DI4, DI5 open: CB tripped • DI4, DI5 closed: CB not tripped In case of trip of a circuit breaker (CB1 or CB2): • the trip indication contact opens • the switching logic is disabled • Alartm contact DO6 is closed • contact DO12 is closed • the Alarm LED lights up • the Auto LED switches Off To reset the TRIP indication press RESET. • The TRIP indication is reset • Alarm LED switches Off • ATS022 operates in manual mode • contact DO10 is closed Press RESET again to bring ATS022 to Automatic mode • contact DO10 is opened • the Auto LED lights up DI6, DI7 Circuit breakers CB1, CB2 removed/inserted position indication The auxiliary position contacts of the circuit breakers of the normal and emergency lines must be 1SDH000760R0002 30 Installation 6. Input and output signals and operating instructions, ATS022 connected to inputs DI6 and DI7 in removable execution. • DI6, DI7 open: CB removed • DI6, DI7 closed: CB inserted If the circuit breaker is removed: • the position indication contact opens • the switching logic is disabled • Alartm contact DO6 is closed • contact DO12 is closed • the Alarm LED lights up • the Auto LED switches Off When the circuit breaker is inserted: • the position indication contact closes • the switching logic is re-enabled • Alarm LED switches Off • ATS022 operates in manual mode • contact DO10 is closed • Alarm contact DO6 is opened • contact DO12 is opened • the Auto LED switches Off To set the device in automatic mode press RESET • contact DO10 is Opened

• the Auto LED lights up DI8 Generator Alarm Input DI8 is used for connecting various alarms coming from the emergency generator: drop in oil pressure, Over Temperature, etc. Input DI8 may be set as normally open (NO) or normally closed (NC) by means of the menu on the graphic display. In case of an active generator alarm • the switching logic is disabled • Alartm contact DO6 is closed • contact DO12 is closed • the Alarm LED lights up • the Auto LED switches Off • contact DO10 is closed • the display shows "generator alarm" When the DI8 signal is deactivated: • Alarm LED switches Off • Alarm contact DO6 is opened • contact DO12 is opened • ATS022 operates in manual mode • the "generator alarm" message disappears from the display To set the device in automatic mode press RESET • contact DO10 is Opened • the Auto LED lights up DI9 Forced switching on emergency power supply line In certain industrial processes, supply of power from the emergency generator may be required instead of from the normal power supply line, for brief moments, in order to avoid possible operating anomalies of the supply and ensure high levels of reliability.

1SDH000760R0002 31 Installation and operating instructions, ATS022

  1. Input and output signals

In automatic mode, by activating input DI9 the forced switching procedure is started up on the emergency line: • Generator Start • opening of circuit breaker on normal line • closure of circuit breaker on emergency line The power supply from the emergency line persists as long as the command remains active. When the command is deactivated, the unit proceeds with the switching procedure on the normal line. 2 CBs: If DI9 is closed: • Generator Start • Opening of circuit breaker CB1 • closure of circuit breaker CB2 If DI9 is open: • opening of circuit breaker CB2 • closure of circuit breaker CB1 • generator stop 3CBs NPL: If DI9 is closed: • Generator Start • Opening of circuit breakers CB1 and CB3 • closure of circuit breaker CB2 If DI9 is open: • opening of circuit breaker CB2 • closure of circuit breakers CB1 and CB3 • generator stop 3CBs NPL BUS TIE: If DI9 is closed: • Generator Start • Opening of circuit breakers CB1 and CB3 • closure of circuit breaker CB2 1SDH000760R0002 32 Installation 6. Input and output signals and operating instructions, ATS022 If DI9 is open: • opening of circuit breaker CB2 • closure of circuit breakers CB3 and CB1 • generator stop DI10 Programmable input The function associated with input DI10 can be selected from the menu on the display, from among the following options: • forced generator start: this function makes it possible to test the correct switching ON/OFF of the generator with the plant running Contact type set Description of function NC Open =gen start; Closed = gen stop NO Closed =gen start; Open = gen stop • Enabling automatic switching logic: this function makes it possible to inhibit the automatic switching logic of the device following an alarm present in the field. The logic can, however, be disabled if one of the conditions involving the disabling exist Contact type set Description of function NC Closed = switching enabled; Open switching disabled NO Open = switching enabled; Closed switching disabled • Reset from Remote: this function allows reset of the device logic in remote by means of remote actuator. Contact type set Description of function NC Closed = remote reset not active; Open = remote reset active NO Closed = remote reset active; Open = remote reset not active • Emergency Block: this function allows prior opening of both circuit breakers of the power supply and emergency lines and permanent disabling of the switching logic. This function can be used, for example, in case of an alarm coming from a fire-fighting system which requires immediate opening of the circuit breakers and disabling of the switching logic. Contact type set Description of function NC Closed = emergency block not active; Open = emergency block active NO Closed = emergency block active; Open = emergency block not active Input DI10 may be set as normally open (NO) or normally closed (NC) by means of the menu on the graphic display. DI11 CB3 circuit Linea breaker 1 status signal ATS022 Input • DI11 DI11 open: is connected CB Ligne Linea Line open 1 1 1 to the CB3 circuit breaker status auxiliary contacts. • DI11 closed: CB closed 1SDH000760R0002 33 Linea 2 Line 2 Linea 2 Ligne 2 Leitung 2 Leitung 1 Uscita per controllo CB2 Output to control CB2 Salida para control CB2 Sortie pour controle CB2 Ausgang zur steuerung CB2 Uscita per controllo Gen Start/Stop Output to control Gen Start/Stop Salida para control Gen Start/Stop Uscita per controllo CB1 Output to control CB1 Sortie pour controle Gen Start/Stop Ausgang zur steuerung Gen Start/Stop Salida para control CB1 Sortie pour controle CB1 Ausgang zur steuerung CB1 Com Uscita per controllo CB3 Output to control CB3 Salida para control CB3 Sortie pour controle CB3 Ausgang zur steuerung CB3 Installation and operating instructions, ATS022

  1. Input and output signals Figure 6.1: Control circuit diagram ATS022 Connectors Description DI/DO Type X11:1 Normal Line LN1: L1 - - X11:2 Normal Line LN1: L2 - - X11:3 Normal Line LN1: L3 - - X11:4 Normal Line LN1: N - - X12:1 Emergency Line LN2: L1 - - X12:2 Emergency Line LN2: L2 - - X12:3 Emergency Line LN2: L3 - - X12:4 Emergency Line LN2: N - - X41:1 + Auxiliary power supply - - X41:2 - Auxiliary power supply - - X21:1 Com - - X21:2 CB1 opening command DO1 NO X21:3 CB1 closure command DO2 NO X22:1 Com - - X22:2 CB2 opening command DO3 NO X22:3 CB2 closure command DO4 NO X23:1 generator start/stop command D05 Open =gen stop; Closed = gen start X23:2 Com - - X23:3 generator start/stop command D05 Closed =gen stop; Open = gen start X24:1 CB3 opening command D011 NO X24:2 Com - - X24:3 CB3 closure command D011 NC X29:1 ATS022 unit alarm indication DO6 Open = no alarm; Closed = alarm X29.2 not used DO7 - X29:3 not used DO8 - X29:4 circuit indication breakers command alarm DO9 Open = no alarm; Closed = alarm X29.5 automatic/manual mode indication DO10 Open = Automatic; Closed = Manual X29:6 logic enabled/disabled indication DO12 Open = logic enabled; Closed = logic disabled X29:7 Com - - X31:1 logic enabling input DI3 Open = logic disabled; Closed = logic enabled X31:2 CB1 status input DI1 0=CB open; I=CB closed X31:3 CB2 status input DI2 0=CB open; I=CB closed X31:4 Com - - X32:1 CB3 status input DI11 0=CB open; I=CB closed X32.2 programmable input DI10 NO/NC 1SDH000760R0002 34

Installation 6. Input and output signals and operating instructions, ATS022

Connectors Description DI/DO Type X32:3 switching forcing input DI9 NO X32:4 generator alarm input DI8 NO/NC X32.5 CB1 position input DI7 0=CB removed; I=CB inserted X32:6 CB2 position input DI6 0=CB removed; I=CB inserted X32:7 CB1 trip input DI5 0=no CB trip; I=CB trip X32:8 CB2 trip input DI4 0=no CB trip; I=CB trip X32.9 Com - - X51:1 Modbus DATA B - - X51:2 Modbus DATA A - - X52:3 Modbus GND - - X61 Earth connection - - Table 6.2: Description of function and type connector ATS022

1SDH000760R0002 35 Installation and operating instructions, ATS022

  1. Technical data
  2. Technical data

ATS022 Value Three-phase voltage used Connected voltage 100Vac - 480Vac (+/-20%) Phase voltage 57,7Vac - 277Vac (+/-20%) Safety auxiliary voltage 24Vdc - 110 Vdc (-10% / +15%) Frequency 50-60-400-16 2/3 Hz Single-phase voltage used Phase voltage 57,7Vac - 277Vac (+/-20%) (1 Safety auxiliary voltage 24Vdc - 110 Vdc (-10% / +15%) (2 Frequency 50-60-400-16 2/3 Hz (3 Measurement precision Voltage 1% Frequency 1% Relay utilization category 8 A, AC1, 250 V Relay/connectors utilization category 6 A, AC1, 250 V Over voltage category III, Uimp 6 kV Power consumption Max 12W IP rating IP20 Device weight 1314g Operating temperature -20 / +60 °C (4 Storage temperature -25 / +80°C Humidity r.h=95% T=25...60°C Altitude Max. 2000m NOTES (1 In single-phase system it is not possible to select Un 100 V, 115 V, 120 V. (2 In single-phase system, if Un is between 57.7 - 109 V an auxiliary safety power supply is necessary (3 In case of rated frequency 16 2/3 Hz, an auxiliary safety power supply must be used. If the rated voltage is greater than 100 VAC external transformers must be used. (4 If the ATS022 is used in environments with extremely low temperatures (less than - 10°C) it is advisable to use a safety auxiliary power supply to avoid display problems of the graphic display. Table 7.1: Technical data ATS022 1SDH000760R0002 36 Installation 8. Installation of device ATS022 and operating instructions, ATS022

  1. Installation of device ATS022 The automatic transfer switch ATS022 can be mounted on the front of the panel door or on DIN rail. 8.1. Door-mounted Automatic Transfer Switch ATS022 The Automatic Transfer Switch ATS022 can be door-mounted as shown in Figure 8.1. 2 160 2a 2b Figure 8.1: Door-mounted ATS022 1SDH000760R0002 37 139 1 91 Installation and operating instructions, ATS022
  2. Installation of device ATS022 8.2. DIN rail-mounted Automatic Transfer Switch ATS022 The automatic transfer switch ATS022 can be mounted on a 35mm DIN rail as shown in Figure 8.2. 1 3 35mm EN 50022 2 Togliere 1 2 145 97Figure 8.2: DIN rail-mounted ATS022 3 1SDH000760R0002 38

Installation 9. Regulatory standards and operating instructions, ATS022

  1. Regulatory standards ATS022 conforms to the following regulatory standards: • European Directive 73/23 “LVD – Low Voltage Directive” • EN 50178 electronic equipment for use in power Installations • EN-IEC 62103 electronic equipment for use in power Installations

• EN-IEC 60947-5-1 low voltage switchgear and control gear: control circuit devices and switching elements • Electromagnetic compatibility EN 50081-2, EN 50082-2 • Environmental conditions IEC 68-2-1, IEC 68-2-2, and IEC 68-2-3 • EN-IEC 61000-4-2: Electromagnetic compatibility (EMC) - Part 4: Testing and measurement techniques Section 2: Electrostatic discharge immunity test Basic EMC Publication (IEC 61000-4-2 [8KV air, 4KV cont]) • EN-IEC 61000-4-3, Electromagnetic compatibility (EMC) - Part 4: Testing and measurement techniques Section 3: Radiated, radio-frequency, electromagnetic field immunity test (IEC 61000-4-3 [level 3]) • EN-IEC 61000-4-4, Electromagnetic compatibility (EMC) - Part 4: Testing and measurement techniques Section 4: Electrical fast transient/burst immunity test Basic EMC Publication (IEC 61000- 4-4 [level 2/3]) • EN-IEC 61000-4-5, Electromagnetic compatibility (EMC) - Part 4: Testing and measurement techniques Section 5: Surge immunity test (IEC 61000-4-5 [level 1/2]) • EN-IEC 61000-4-6: Electromagnetic compatibility (EMC) - Part 4: Testing and measurement techniques (IEC 61000-4-6 [level 3]) • EN-IEC 61000-4-8: Electromagnetic compatibility (EMC) - Part 4: Testing and measurement techniques (IEC 61000-4-8 [level 5]) • EN 50093, Electromagnetic compatibility (EMC) - Part 4: Testing and measurement techniques Section 11: Voltage dips, short interruptions and voltage variations immunity test (IEC 61000-4-11, [100ms/5s] B, C criterion) • CISPR11 (30MHz...1GHz): Emission (Generic Standard, Industrial) – Radiated • CISPR11 (0.15MHz...30MHz): Emission (Generic Standard, Industrial) – Conducted • CISPR/CEI 1000-6-3: Part 6: Generic standards – Section 3: Emission standard for residential, commercial and light-industrial environments • IEC 60068-2-2: Environmental testing. Part 2: Tests. Test B: Dry heat • IEC 60068-2-6: Environmental testing. Part 2: Tests. Test Fc: vibration (sinusoidal) • IEC 60068-2-27: Environmental testing. Part 2: Tests. Test Ea and guidance: shock • IEC 60068-2-30: Environmental testing. Part 2: Tests. Test Db and guidance: Damp heat, cyclic • IEC 60068-2-1: Environmental testing. Part 2: Tests. Test A: cold (-20 °C ± 3 °C, 16 hours)

1SDH000760R0002 39

Installation and operating instructions, ATS022

  1. Troubleshooting The alarms are shown by means of a message on the ATS022 display. The Alarm messages are shown in the Table below: Table 10.1: Alarms ATS022 Alarm Fault Action CB1 opening failed circuit does not breaker open CB1 on normal line within 5s
  2. Troubleshooting the alarm can be reset by means of the RESET button. CB2 opening failed circuit line does breaker not open CB2 within on emergency 5s the alarm can be reset by means of the RESET button. CB3 Opening failed circuit open within breaker 5s CB3 bus-tie does not the alarm can be reset by means of the RESET button. CB1 closure failed circuit breaker CB1 on normal line does not close within 5s the alarm can be reset by means of the RESET button. CB2 closing failed circuit breaker CB2 on emergency line does not close within 5s the alarm can be reset by means of the RESET button. CB1 removed circuit breaker CB2 is removed The logic is blocked and ATS enters manual mode. Reset by inserting CB1. CB2 removed circuit breaker CB2 is removed The logic is blocked and ATS enters manual mode. Reset by inserting CB2. Logic block Enabled/disabled inactive logic input DI3 The logic is blocked. Reset by activating DI3 External fault Both and DI2 circuit active) breakers are closed (DI1 Check wiring Trip CB1 Circuit breaker CB1 has tripped The logic is blocked as long as input DI4 is deactivated Trip CB2 Circuit breaker CB2 has tripped The logic is blocked as long as input DI5 is deactivated Generator alarm Generator alarm input DI8 active The logic is blocked as long as input DI8 is activated Table 10.1: Alarms ATS022 1SDH000760R0002 40

Installation and operating instructions, ATS022 41 1SDH000760R0002 For more information please contact: ABB S.p.A. ABB SACE Division Via Baioni, 35 24123 Bergamo - Italy Phone: +39 035 395 111 Fax: +39 035 395 306 - 433 www.abb.com Due to possible development of Standards as well as of materials, the characteristics and dimensions specified in this Installation and operating instructions may be considered as binding only after confirmation by ABB SACE Division. © Copyright 2011 ABB. All rights reserved.

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