120 - 690 VAC +/- 1% of nominal voltage (+/- .05 Hz, +/-.5 A)
Control Power
120 VAC
Communications Interface - Optional
Serial RS-485 upt to 115.2 Kbps or TCP/IP (10/100 base-T)
Undervoltage Dropout for Source 1 and Source 2
75-99% of nominal
Undervoltage Restore for Source 1 and Source 2
85-100% of nominal
Underfrequency Dropout for Source 1 and Source 2
45 - 59.9 Hz
Underfrequency Restore for Source 1 and Source 2
45 - 59.5 Hz
Overvoltage Dropout for Source 1 and Source 2
105 - 110% of nominal
Overvoltage Restore for Source 1 and Source 2
103 - 108% of nominal
Overfrequency Dropout for Source 1 and Source 2
50.1 - 63 Hz
Overfrequency Restore for Source 1 and Source 2
50 - 62.9 Hz
Voltage Unbalance on Dropout for Source 1 and Source 2
5 to 20% of nominal
Voltage Unbalance for Restore for Source 1 and Source 2
4 to 19% of nominal
Load Control Relay Contacts (1)
rated for 10A @ 24VDC or 120VAC
Load Control Relay Contacts (2)
0-259 minutes
Delay for Engine Cool Down (U)
0-60 minutes
Delay Transfer to Nonpreferred Source (W)
0-5 minutes
Delay NeutralTransition Time Delays (DT,DW)
0-10 minutes
Storage Temperature
(-40˚C - 90˚C )
Operating Temperature Ambient
(-20˚C to 50˚C)
Features and Benefits
Dual Communications Built-in RS-485 serial and 10/100 base-T Ethernet Open protocols - Modbus RTU and Modbus TCP
Available to support Open, Closed and Delayed Transition
Small footprint
Graphical control panel
Multiple communication protocols
¼ inch VGA color graphical display with embedded HELP menus
Status LED's indicating: ALARM - indicating a problem with the ATS or a user configured alarm condition is active TD DELAY - indicating the controller is timing before taking the next control action XFER INHIBIT - indicating the controller will not transfer to the other source without operator intervention SOURCE 1(S1) AVAILABLE LED - indicating power is present per user setpoints SOURCE 2 (S2) AVAILABLE LED - indicating power is present per user setpoints SOURCE 1 (S1) STATUS LED - indicating load is connected to S1 power SOURCE 2 (S2) STATUS LED - indicating load is connected to S2 power
User-Configurable setpoints for inputs and Outputs
Field modification of control features
Plant exerciser clock for 1 day, 1 week, 14 days, 28 days or 365 days. The time base of 365 days permits up to 24 events to be scheduled and the other time bases permit up to 24 events.
SYSTEM TESTS Fast Test - test with load, no time delays Transfer Load - test with load with time delays No Transfer - test without load, generator start only
Controller Power Supply utilizing the Universal Transformer Assembly (UTA) - provides 170Vdc to the controller and 24Vdc ungrounded to the power relays. The UTA also provides line voltages from 120Vac to 600Vac via an internal six position jumper array, 120Vac UPS input and 24Vdc input battery options.
Dual processor based with dedicated processor for high speed Serial or Ethernet connections
All signal in / out relays are isolated via DIN Mounted relay / terminal blocks
Elevator pre-signal contacts
Power quality metering
Elevator pre-signal
Status Leds For:
Transfer Inhibit
Active Alarms
Source 1 and 2 Availablity
Source 1 and 2 Connected
Time Delay Active
Graphical Display:
Color graphical display with USB Calibration/programming port and Embedded Help
Displays 256 time-tagged events with 1 ms resolution
Monitors over/under frequency, voltage conditions, frequency imbalance, and phase rotation
Quality System: Manufactured under an ISO 9001 Registered Program
Option Package A:
Four (4) programmable inputs and four (4) outputs assignable to additional ATS features
Expanded diagnostics, high-speed 256 event capture, 365 days
Monitoring Software (local or remote), USB interface for uploading and downloading setup parameters
Full function ATS control with full sensing and control capabilities
Full complement of programmable ATS control switches AUTO / MAN, Preferred Source selector,Commit / No Commit Xfer, Transition Mode Select for Closed Transition switch models)
Option Package B:
Waveform capture, ten (10) channels, up to 256 cycles each sixteen (16) samples / sec.
Ten (10) customer programmable digital and ten (10)analog alarms.
Includes Option Package A features, plus
Auto Load Shed with voltage, frequency and kW triggers.
Twenty (20) channel data logger, customer configurable sample period from one (1) cycle to sixty (60) minutes.
Option Package C:
Includes Option B features, plus
Four (4) additional inputs and outputs (totaling eight (8) in & eight (8) out)
Option Package D:
Customized user control logic
Includes Option Package C features, plus
Four (4) additional inputs and outputs (totaling twelve (12) in & twelve (12) out)
Option Package M:
Configuration for Manual Operation only (Non-Automatic)