Open transition (I-II), Delayed Transition (I-O-II)
Product Features
Voltage and frequency sensing of both sources and load
USB port to upload/download settings
Available Bluetooth connection and enhanced communication capabilities
Password protection LCD HMI
Integrated help button and menu
Automatic Configuration Function
Control Panel
TruOne L3 - CG LCD HMI to set electrical system parameters with file upload via USB or Bluetooth connection.
Functions
Provision of transfer & re-transfer control signals
Provision of engine/generator start and shutdown signals
Permit user programming of set points
Display real time and historical information
Permit system testing
Store all parameters in nonvolatile memory
Standards
UL 1008, NFPA 70, 99, 101 and 110
NEMA ICS 10
cUL
Control
LCD + keys
Voltage and frequency settings: Pick up and Drop out
Time Delay Settings: Override momentary, Transfer, Generator stop, Center-OFF, Pre-transfer, Post-transfer, Elevator Pre-signal, Elevator Post-signal, and Load shead
Source failure detections: No Voltage, Under/Over Voltage, Phase missing, Voltage unbalance, Invalid frequency, and Incorrect phase sequence
Additional Features
LED indications for ATS, S1 and S2 status
Open transition - Standard digital inputs/outputs (1/1)
Delayed transition - Standard digital inputs/outputs (2/1)
Programmable digital inputs/outputs
Auto config (voltage, frequency, phase system)
Source priority (Source 1/2, No priority)
Manual re-transfer
In-phase monitor (synchro check)
Genset exercising: on-load, off-load
Load shedding
Real time clock
Event log
Accessories
Auxiliary contacts for position indication
Additional digital input/output contacts (adding up to 6 each)