Woodward DTSC-200 Instruction sheet

37483C
Configuration
Software Version 2.0xxx
Manual 37483C
DTSC-200
ATS Controller

Manual 37483C DTSC-200 - ATS Controller
Page 2/158 © Woodward
WARNING
Read this entire manual and all other publications pertaining to the work to be performed before
installing, operating, or servicing this equipment. Practice all plant and safety instructions and
precautions. Failure to follow instructions can cause personal injury and/or property damage.
The engine, turbine, or other type of prime mover should be equipped with an overspeed
(overtemperature, or overpressure, where applicable) shutdown device(s), that operates totally
independently of the prime mover control device(s) to protect against runaway or damage to the
engine, turbine, or other type of prime mover with possible personal injury or loss of life should the
mechanical-hydraulic governor(s) or electric control(s), the actuator(s), fuel control(s), the driving
mechanism(s), the linkage(s), or the controlled device(s) fail.
Any unauthorized modifications to or use of this equipment outside its specified mechanical, electrical,
or other operating limits may cause personal injury and/or property damage, including damage to the
equipment. Any such unauthorized modifications: (i) constitute "misuse" and/or "negligence" within
the meaning of the product warranty thereby excluding warranty coverage for any resulting damage,
and (ii) invalidate product certifications or listings.
CAUTION
To prevent damage to a control system that uses an alternator or battery-charging device, make sure
the charging device is turned off before disconnecting the battery from the system.
Electronic controls contain static-sensitive parts. Observe the following precautions to prevent
damage to these parts.
•
Discharge body static before handling the control (with power to the control turned off, contact a
grounded surface and maintain contact while handling the control).
•
Avoid all plastic, vinyl, and Styrofoam (except antistatic versions) around printed circuit boards.
•
Do not touch the components or conductors on a printed circuit board with your hands or with
conductive devices.
OUT-OF-DATE PUBLICATION
This publication may have been revised or updated since this copy was produced. To verify that you
have the latest revision, be sure to check the Woodward website. The revision level is shown at the
bottom of the front cover after the publication number. The latest version of most publications is
available at:
http://www.woodward.com/publications
If your publication is not there, please contact your customer service representative to get the latest
copy.
Important definitions
WARNING
Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that, if not avoided, could result in damage to equipment.
NOTE
Provides other helpful information that does not fall under the warning or caution categories.
Woodward reserves the right to update any portion of this publication at any time. Information provided by Woodward is believed to be
correct and reliable. However, Woodward assumes no responsibility unless otherwise expressly undertaken.
© Woodward
All Rights Reserved.

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Revision History
Rev.
Date
Editor
Changes
C
2014-01-22
GG
Describes Software Version V 2.0012.
Changes to previous software version
New parameter 3463 ’Limit Switch Failure Delay Time’.
•For functional description go to page 67.
•The List of Parameters (Appendix B) is updated. For details see page 143 ff.
New parameter 12891 ’Reset limit switch failure’.
•For functional description go to page 67.
•The List of Parameters (Appendix B) is updated. For details see page 143 ff.
Manual
Description became more detailed, especially what settings are taken into account for
monitoring and control:
•Chapter Breaker, see page 52 ff.
•Parameter 3430 ‘Limit Switch Monitoring’, see page 66.
B
2013-09-18
GG
New parameters 8820 and 8821 added for a special application of In-Phase monitoring (Synch
Check). In application mode Util-Util it is possible to define a phase angle range for transfer
condition. See chapter “Monitoring: Load transfer between two utility sources with special
(phase angle) conditions” on page 78 for more details.
New LogicsManager 19.21 and 19.22 S1/S2 failed status and 20.22 Synch. Check active.
See chapter Logical Command Variables: [19.00] - ATS Status Flags and Logical Command
Variables: [20.00] - ATS Status Flags on page 132 for more details.
Manual
Correction: Default setting of parameter 4570 In-phase monitor is “OFF” (see page 145).
Setting range of parameter 4577 explains now special value 0.10 (see page 81).
List of parameters updated.
Minor changes and layout optimization.
A
12-07-11
GG
Command Variables 00.16 and 04.01 removed: no auto mode selection.
New unit display language available on parameter 1700: Russian.
Setting range of parameters 10411 … 10415 changed to “1 … 9999”.
NEW
11-11-17
TE
Release Software Version 2.0xxx - Based on 37386A
Content
CHAPTER 1. GENERAL INFORMATION ....................................................................................... 8
CHAPTER 2. CONFIGURATION .................................................................................................. 9
Configuration Via The Front Panel........................................................................................................... 9
Configuration Via PC.............................................................................................................................. 10
Install ToolKit Configuration and Visualization Software .............................................................10
Install ToolKit Software ................................................................................................................ 10
Install ToolKit Configuration Files ................................................................................................ 11
Starting ToolKit Software ............................................................................................................. 12
Configure ToolKit Software.......................................................................................................... 13
Connect ToolKit and the DTSC-200 Unit..................................................................................... 14
View DTSC-200 Data with ToolKit............................................................................................... 16
Configure the DTSC-200 with ToolKit.......................................................................................... 17
General Information ............................................................................................................................... 18
Important Designations ................................................................................................................ 18
Signal and Command Abbreviations ........................................................................................... 18
Monitoring Functions.................................................................................................................... 19
Function Of The Inputs And Outputs ..................................................................................................... 20

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CHAPTER 3. PARAMETERS..................................................................................................... 22
Language ............................................................................................................................................... 23
Password ............................................................................................................................................... 23
Event History ......................................................................................................................................... 24
Measuring .............................................................................................................................................. 25
Measuring: Rated Values ............................................................................................................ 25
Measuring: Transformers ............................................................................................................ 29
Application ............................................................................................................................................. 31
Application: Application Mode ..................................................................................................... 31
Application: Transfer Timers ....................................................................................................... 32
Application: Transfer Logics (LogicsManager)............................................................................ 38
Application: Elevator Pre-Signal.................................................................................................. 42
Application: Motor Load Disconnect............................................................................................ 44
Application: Source Priority Selection ......................................................................................... 45
Breaker .................................................................................................................................................. 52
Breaker: Transfer Switch Type.................................................................................................... 52
Test Modes ............................................................................................................................................ 61
Timer Exerciser ........................................................................................................................... 62
Monitoring .............................................................................................................................................. 66
Monitoring: Alarm Acknowledgement.......................................................................................... 66
Monitoring: Limit Switch Monitoring............................................................................................. 66
Monitoring: Source 1 Monitoring ................................................................................................. 67
Monitoring: Source 2 Monitoring ................................................................................................. 72
Monitoring: In-Phase Monitoring (Synch Check)......................................................................... 77
Monitoring: Overcurrent............................................................................................................... 86
Monitoring: Overload ................................................................................................................... 88
Monitoring: Engine, Start Failure Source 1 ................................................................................. 90
Monitoring: Engine, Start Failure Source 2 ................................................................................. 90
Monitoring: Battery, Overvoltage................................................................................................. 91
Monitoring: Battery, Undervoltage............................................................................................... 93
Monitoring: CANopen Interface ................................................................................................... 95
Discrete Inputs....................................................................................................................................... 96
Discrete Outputs (LogicsManager)........................................................................................................ 98
Counters .............................................................................................................................................. 100
Configure Counters: Operation Hours, kWh, and kvarh............................................................ 100
LogicsManager .................................................................................................................................... 102
LogicsManager: Internal Flags .................................................................................................. 102
LogicsManager: Timer............................................................................................................... 103
Interfaces ............................................................................................................................................. 105
Interfaces: CAN Bus (FlexCAN) ................................................................................................ 105
Interfaces: Serial Interface 1 (RS-232)...................................................................................... 113
Interfaces: Serial Interface 2 (RS-485)...................................................................................... 113
System ................................................................................................................................................. 114
System: Configure Display Backlight ........................................................................................ 114
System: Configure Daylight Saving Time.................................................................................. 115
System: Password System........................................................................................................ 117
System: Real-Time Clock Set ................................................................................................... 119
System: Versions....................................................................................................................... 120
Logical Symbols................................................................................................................................... 123
Logical Outputs.................................................................................................................................... 124
Logical Outputs: Internal Flags.................................................................................................. 124
Logical Outputs: Internal functions ............................................................................................ 124
Logical Outputs: Relay Outputs................................................................................................. 125
Logical Command Variables................................................................................................................ 126
Logical Command Variables: [00.00] - Internal Flags ............................................................... 126
Logical Command Variables: [01.00] - Alarm Classes.............................................................. 127
Logical Command Variables: [03.00] - Engine Control ............................................................. 127
Logical Command Variables: [04.00] - Operating Status.......................................................... 128
Logical Command Variables: [06.00] - Load Alarms................................................................. 128
Logical Command Variables: [08.00] - System Alarms............................................................. 129

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Logical Command Variables: [09.00] - Discrete Inputs ............................................................. 129
Logical Command Variables: [11.00] - Time Functions.............................................................130
Logical Command Variables: [12.00] - External Discrete Inputs (Expansion Board) ................130
Logical Command Variables: [13.00] - Internal Relay Output Status ........................................ 131
Logical Command Variables: [14.00] - External Relay Outputs Status ..................................... 131
Logical Command Variables: [19.00] - ATS Status Flags .........................................................132
Logical Command Variables: [20.00] - ATS Status Flags ......................................................... 132
Logical Command Variables: [21.00] - ATS Alarms .................................................................. 133
Logical Command Variables: [98.00] - LogicsManager Outputs ............................................... 133
Factory Setting ..................................................................................................................................... 134
Factory Setting: Functions ......................................................................................................... 134
Factory Setting: Relay Outputs .................................................................................................. 139
Factory Setting: Internal Flags................................................................................................... 141
Discrete Inputs ........................................................................................................................... 142
Product Service Options ...................................................................................................................... 153
Returning Equipment For Repair ......................................................................................................... 153
Packing A Control ...................................................................................................................... 154
Return Authorization Number RAN............................................................................................ 154
Replacement Parts............................................................................................................................... 154
How To Contact Woodward ................................................................................................................. 155
Engineering Services ........................................................................................................................... 156
Technical Assistance ........................................................................................................................... 157

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Illustrations And Tables
Illustrations
Figure 2-1: ToolKit - visualization screen ................................................................................................................................ 16
Figure 2-2: ToolKit - analog value trending screen .................................................................................................................. 16
Figure 2-3: ToolKit - configuration screen ............................................................................................................................... 17
Figure 3-1: Event history- display............................................................................................................................................. 24
Figure 3-2: Source stable and outage timers ............................................................................................................................. 37
Figure 3-3: External timer bypass - push button ....................................................................................................................... 40
Figure 3-4: Elevator pre-signal - example 1.............................................................................................................................. 43
Figure 3-5: Elevator pre-signal - example 2.............................................................................................................................. 43
Figure 3-6: Elevator pre-signal - example 3.............................................................................................................................. 43
Figure 3-7: Source priority selection - S1 preferred.................................................................................................................. 46
Figure 3-8: Source priority selection - S2 preferred.................................................................................................................. 46
Figure 3-9: Load shed relay wiring - standard transition switch ............................................................................................... 50
Figure 3-10: Load shed relay wiring - delayed or closed transition switch............................................................................... 50
Figure 3-11: Open transition switch - connected to source 1 .................................................................................................... 52
Figure 3-12: Open transition switch - connected to source 2 .................................................................................................... 52
Figure 3-13: Delayed transition switch - connected to source 1 ............................................................................................... 53
Figure 3-14: Delayed transition switch - neutral position ......................................................................................................... 53
Figure 3-15: Delayed transition switch - connected to source 2 ............................................................................................... 53
Figure 3-16: Closed transition switch - connected to source 1.................................................................................................. 54
Figure 3-17: Closed transition switch - neutral position ........................................................................................................... 54
Figure 3-18: Closed transition switch - connected to source 1 and 2 (overlap position)........................................................... 54
Figure 3-19: Closed transition switch - connected to source 2.................................................................................................. 54
Figure 3-20: Breaker - transition pulse ..................................................................................................................................... 58
Figure 3-21: Test modes - load test configured for timer exerciser........................................................................................... 62
Figure 3-22: Test modes - no-load test configured for timer exerciser ..................................................................................... 62
Figure 3-23: Test modes - parameter IDs of the timer exercisers ............................................................................................. 63
Figure 3-24: Test modes - configuring exerciser 1 for a daily exercise .................................................................................... 64
Figure 3-25: Test modes - configuring exerciser 2 for a weekly exercise................................................................................. 64
Figure 3-26: Test modes - configuring exerciser 3 for a 14-day exercise ................................................................................. 64
Figure 3-27: Test modes - configuring exerciser 4 for a one event exercise ............................................................................. 65
Figure 3-28: Test modes - display screen with pending exercise event .................................................................................... 65
Figure 3-29: Test modes - display screen with running load test.............................................................................................. 65
Figure 3-30: Inphase monitoring............................................................................................................................................... 77
Figure 3-31: Switch reaction time............................................................................................................................................. 82
Figure 3-32: Monitoring - load time-overcurrent ...................................................................................................................... 86
Figure 3-33: Monitoring - overload .......................................................................................................................................... 88
Figure 3-34: Monitoring - battery overvoltage.......................................................................................................................... 91
Figure 3-35: Monitoring - battery undervoltage........................................................................................................................ 93
Figure 3-36: Discrete inputs - control inputs - operation logic ................................................................................................. 96
Figure 3-37: Interfaces - Principle of PDO mapping .............................................................................................................. 108
Figure 3-38: LogicsManager - function overview .................................................................................................................. 122
Figure 3-39: LogicsManager - display in ToolKit .................................................................................................................. 123
Figure 3-40: LogicsManager - display in LCD....................................................................................................................... 123

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Tables
Table 1-1: Manual - overview..................................................................................................................................................... 8
Table 3-1: Application - load shed with standard transition switch .......................................................................................... 49
Table 3-2: Application - load shed with delayed or closed transition switch ............................................................................ 50
Table 3-3: Monitoring - standard values - load time-overcurrent.............................................................................................. 86
Table 3-4: Monitoring - standard values - overload .................................................................................................................. 88
Table 3-5: Monitoring - standard values - battery overvoltage ................................................................................................. 91
Table 3-6: Monitoring - standard values - battery undervoltage ............................................................................................... 93
Table 3-7: Discrete inputs - assignment .................................................................................................................................... 96
Table 3-8: Discrete inputs - parameter IDs ............................................................................................................................... 97
Table 3-9: External discrete inputs - parameter IDs.................................................................................................................. 97
Table 3-10: Relay outputs - Assignment................................................................................................................................... 98
Table 3-11: Discrete outputs - parameter IDs ........................................................................................................................... 99
Table 3-12: External discrete outputs - parameter IDs .............................................................................................................. 99
Table 3-13: Internal flags - parameter IDs .............................................................................................................................. 102
Table 3-14: Daylight saving time - configuration example..................................................................................................... 115
Table 3-15: Daylight saving time - examplary dates............................................................................................................... 115
Table 3-16: LogicsManager - command overview ................................................................................................................. 122
Table 3-17: LogicsManager - logical symbols........................................................................................................................ 123

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Chapter 1.
General Information
Type
English
German
DTSC-200
DTSC-200 - Installation
37482
-
DTSC-200 - Configuration
this manual 
37483
-
DTSC-200 - Operation
37484
-
DTSC-200 - Application
37485
-
DTSC-200 - Interfaces
37486
-
Table 1-1: Manual - overview
Intended Use The unit must only be operated for the uses described in this manual. The prerequisite for a proper
and safe operation of the product is correct transportation, storage, and installation as well as careful operation
and maintenance.
NOTE
This manual has been developed for a unit fitted with all available options. Inputs/outputs, functions,
configuration screens and other details described, which do not exist on your unit, may be ignored.
The present manual has been prepared to enable the installation and commissioning of the unit. On
account of the large variety of parameter settings, it is not possible to cover every possible
combination. The manual is therefore only a guide. In case of incorrect entries or a total loss of
functions, the default settings can be taken from the enclosed list of parameters at the rear of this
manual.

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Chapter 2.
Configuration
Configuration Via The Front Panel
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Operation of the unit via the front panel is explained in the operation manual 37484. This manual will familiarize
you with the unit, the meanings/functions of the buttons, and the display.

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Configuration Via PC
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Install ToolKit Configuration and Visualization Software
NOTE
Woodward’s ToolKit software is required to configure the unit via PC.
Install ToolKit Software
1. Please insert the enclosed Product CD in the CD-ROM drive of your computer
2. The CD is going to start automatically (autostart function needs to be activated)
3. Please go to the section “Software” and follow the instructions described there
Alternatively ToolKit can be downloaded from our Website. Please proceed as follows:
1. Go to http://www.woodward.com/software
2. Select ToolKit in the list and click the “Go” button
3. Click “More Info” to get further information about ToolKit
4. Choose the preferred software version and click “Download”
5. Now you need to login with your e-mail address or register first
6. The download will start immediately
Minimum system requirements for ToolKit:
•Microsoft Windows® 7, Vista SP1 or later, XP (32- & 64-bit);
support for XP will end on 2014-April-8
•Microsoft .NET Framework
•1 GHz Pentium® CPU
•512 MB of RAM
•Minimum 800 by 600 pixel screen with 256 colors
•Serial Port
•Serial Extension Cable (null modem cable)
NOTE
Microsoft .NET Framework 4.0 must be installed on your computer to be able to install ToolKit. If not
already installed, Microsoft .NET Framework will be installed automatically. You must be connected to
the internet for this. Alternatively you can use the .NET Framework installer which can be found on the
Product CD.

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Install ToolKit Configuration Files
1. Please insert the enclosed Product CD in the CD-ROM drive of your computer
2. The CD is going to start automatically (autostart function needs to be activated)
3. Please go to the section “Configuration Files” and follow the instructions described there
Alternatively ToolKit configuration files can be downloaded from our Website. Please proceed as follows:
1. Go to http://www.woodward.com/software/configfiles/
2. Please insert the part number (P/N) and revision of your device into the corresponding fields
3. Select ToolKit in the application type list
4. Click “Search”
NOTE
ToolKit is using the following files:
*.WTOOL
File name composition: [P/N1]*1-[Revision]_[Language ID]_[P/N2]*2-[Revision]_[# of visualized
gens].WTOOL
Example file name: 8440-1234-NEW_US_5418-1234-NEW.WTOOL
Content of the file: Display screens and pages for online configuration, which are associated with
the respective *.SID file
*.SID
File name composition: [P/N2]*2-[Revision].SID
Example file name: 5418-1234-NEW.SID
Content of the file: All display and configuration parameters available in ToolKit
*.WSET
File name composition: [user defined].WSET
Example file name: DTSC-200_settings.WSET
Content of the file: Default settings of the ToolKit configuration parameters provided by the SID
file or user-defined settings read out of the unit.
*1 P/N1 = Part number of the unit
*2 P/N2 = Part number of the software in the unit

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Starting ToolKit Software
1. Start ToolKit via Windows Start menu -> Programs ->Woodward -> ToolKit
2. Please press the button “Open Tool”
3. Go to the “Application” folder and open then the folder equal to the part number (P/N) of your device
(e.g. 8440-1234). Select the wtool file (e.g. 8440-1234-NEW_US_5418-1234-NEW.wtool) and click
“Open” to start the configuration file
4. Now the home page of the ToolKit configuration screen appears

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Configure ToolKit Software
1. Start the configuration by using the toolbar. Please go to Tools -> Options
2. The options window will be displayed
a. Adjust the default locations of the configuration files
b. The displayed language can be selected here
3. The changes become effective after clicking “OK”
NOTE
Please use the ToolKit online help for further information.
a
b

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Connect ToolKit and the DTSC-200 Unit
For configuration of the unit via ToolKit please proceed as follows:
1. Plug the DPC cable into the service port. Use a USB cable/null modem cable to connect the USB/RS-
232 serial port of the DPC to a serial USB/COM port of the PC with.
NOTE
The USB/RS-232 serial interface is only provided via the optional Woodward DPC (direct configuration
cable), which must be connected to the service port. For additional information refer to Chapter
“Service Port” in the installation manual (37482).
2. Open ToolKit via Windows Start menu -> Programs -> Woodward -> ToolKit
3. From the main ToolKit window, click File then select “Open Tool”..., or click the Open Tool icon
on the tool bar.
4. Locate and select the desired tool file (*.WTOOL) in the ToolKit data file directory and click Open.
5. From the main ToolKit window, click Device then click “Connect”, or select the Connect icon on
the toolbar.
6. The connect dialog window will open if the option is enabled.
a. Select the COM port that is connected to the communication cable.
b. Click the “Connect” button.
7. The identifier of the device that ToolKit is connected to, will display in the status bar.
8. If the Communications window opens, select “ToolConfigurator” under Tool Device and close the
Communications window.
9. If the device is security enabled, the Login dialog will appear.
10. Now you are able to edit the DTSC-200 parameters in the main window. Any changes made are written
to the control memory automatically.
a
b

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SID Files for Using ToolKit on the CAN Bus With Other CANopen Devices
If a PC with ToolKit is connected to the DTSC-200 via a CAN bus with other external CANopen devices (like a
Phoenix Contact I/O expansion board, for example), it may happen that ToolKit cannot establish a connection
with the DTSC-200 because it looks for a SID file for such an external device, which does not exist.
A special *.sid file can be created in this case. Contact Woodward for support or create a *.sid file with the
following content:
<?xml version="1.0" encoding="utf-8"?>
<ServiceInterfaceDefinition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" Identifier="[add the
required device application name here]" Specification="EmptyFile">
</ServiceInterfaceDefinition>
The file name must be the same as the Identifier plus the extension *.sid. The file must be stored to the
configured SID file directory.
NOTE
Depending on the computer used and the installed operation system, problems with the
communication via an infrared connection may occur.
NOTE
If your computer is equipped with a Bluetooth interface please deactivate it temporarily in the Windows
system control menu in the case that ToolKit is freezing building up a connection.
NOTE
It is also possible to connect to the unit via CAN bus. If a suitable CAN adapter is used, this may be
selected in the Connect window. We recommend using the IXXAT USB-to-CAN converter using the VCI
V3 driver.
Be sure to configure the correct baud rate and timeout in the Properties dialog of the Connect window.
The Password for CAN Interface 1 (parameter 10402 on page 117) must be entered before being able to
edit the parameters.

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View DTSC-200 Data with ToolKit
The following figure shows an example visualization screen of ToolKit:
Figure 2-1: ToolKit - visualization screen
Navigation through the various visualization and configuration screens is performed by clicking on
the and icons, by selecting a navigation button (e.g. ), or by selecting a screen from the drop-down
list to the right of the arrow icons.
It is possible to view a trend chart of up to eight values with the trending tool utility of ToolKit. The following
figure shows a trending screen of the measured battery voltage value:
Figure 2-2: ToolKit - analog value trending screen
Each visualization screen provides for trending of monitored values by right-clicking on a value and selecting the
"Add to trend" function. Trending is initiated by clicking on the Start button. Clicking the Export… button will
save the trend data to a Comma Separated Values (CSV) file for viewing, editing or printing with office software,
like Microsoft Excel, etc. The Properties… button is used to define high and low limits of the scale, sample rate,
displayed time span and color of the graph. The trend functionality is not available if ToolKit is used utilizing a
CAN bus connection to the unit.

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Configure the DTSC-200 with ToolKit
The following figure shows an example configuration screen of ToolKit:
Figure 2-3: ToolKit - configuration screen
Entering a new value or selecting a value from a defined list will change the value in a field. The new value is
written to the controller memory by changing to a new field or pressing the Enter key.
Navigation through the various configuration and visualization screens is performed by clicking on the
and icons, by selecting a navigation button (e.g. ), or by selecting a screen from the drop-down list to
the right of the arrow icons.

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General Information
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The DTSC-200 has been developed to control ATS (Automatic Transfer Switch) units.
The main purpose of the ATS controller is to control and monitor the transfer switch as well as issuing an engine
start signal to a connected genset control. The controller is continuously monitoring the presence of a source. If
the preferred source fails, it attempts to transfer to a second source (emergency power supply, etc.).
It is NOT the task of an ATS controller to monitor a start/stop sequence. Start and stop failures will be displayed,
but have no effect on the functionality of the controller. Only switch failures or problems with connected position
limit switches, which signal the actual position of the ATS (connected with utility or connected with emergency
power supply, etc.) to the controller, block the ATS controller for further automatic functions.
Important Designations
•Source 1 Usually the preferred power source, e.g. utility supply (depends on application)
•Source 2 Usually the emergency power source, e.g. genset (depends on application)
•Transfer Change from one source to the other
•Blocked Transfer Switch Failure or inhibit command blocks transfer
Signal and Command Abbreviations
•S1 Signal: breaker in source 1 position
•S2 Signal: breaker in source 2 position
•S1O Signal: breaker in source 1 OPEN position
•S2O Signal: breaker in source 2 OPEN position
•C1 Command: close to source 1
•C2 Command: close to source 2
•C1O Command: open from source 1
•C2O Command: open from source 2

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Monitoring Functions
Source Monitoring
•Overvoltage / undervoltage
•Overfrequency / underfrequency
•Voltage imbalance
•Rotation field monitoring
NOTE
If one of these monitoring functions is triggered, the ATS controller attempts to change to the non-
preferred source.
Load Monitoring
•Overload
•Overcurrent
Switch Monitoring
•Monitoring for plausible position feedback
•Monitoring for transfer switch failure
NOTE
If one of these monitoring functions is triggered, then all automatic transfers are blocked.
Generator Monitoring
•Unintended stop
•Start failure
Battery Monitoring
•Overvoltage / undervoltage
Interface Monitoring
•Monitoring of the CANopen communication

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Function Of The Inputs And Outputs
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Discrete Inputs
The discrete inputs are grouped into two categories:
•programmable
The programmable discrete input has been programmed with a factory default function using the
LogicsManager. The following text describes how these functions may be changed using the LogicsManager.
•fixed
The discrete input has a specific function that cannot be changed. The discrete input cannot be used in the
LogicsManager.
NOTE
Depending on the configured transfer switch type (parameter 3424); the discrete inputs can be
"programmable" or "fixed". Please refer to Table 3-7 on page 96.
Reply from ATS limit switch: Breaker in source 1 position
fixed to discrete input [DI 1], terminal 51/50
Note: Normally closed (break) contact!
This discrete input indicates to the control that the breaker is closed to source 1 position if it is de-
energized (logic "0").
Reply from ATS limit switch: Breaker in source 2 position
fixed to discrete input [DI 2], terminal 52/50
Note: Normally closed (break) contact!
This discrete input indicates to the control that the breaker is closed to source 2 position if it is de-
energized (logic "0").
Reply from ATS limit switch: Breaker in source 1 open position
fixed to discrete input [DI 3], terminal 53/50
Note: Normally closed (break) contact!
This discrete input indicates to the control that the breaker is in source 1 open position if it is de-
energized (logic "0"). This discrete input is programmable when transfer switch type is configured as
standard.
Reply from ATS limit switch: Breaker in source 2 open position
fixed to discrete input [DI 4], terminal 54/50
Note: Normally closed (break) contact!
This discrete input indicates to the control that the breaker is in source 2 open position if it is de-
energized (logic "0"). This discrete input is programmable when transfer switch type is configured as
standard.
Disconnect switch: Inhibit ATS
programmable to discrete input [DI 5], terminal 55/50
Note: Normally closed (break) contact!
This discrete input indicates to the control that the disconnect switch is actuated. If this discrete input is
de-energized (logic "0"), the "Inhibit ATS" function is enabled.
Control Inputs
programmable to discrete inputs [DI 6] through [DI 12], terminals 56 through 62 / 50
These discrete inputs may be used as control signals for functions, including priority selection, remote
peak shave, inhibit transfer, etc. The control inputs can be configured freely. Please refer to Discrete
Inputs on page 86.