Gmr-32b Phase Controller Manual › [ Simple ]
Observe the LED; its brightness should increase smoothly in proportion to the signal, indicating correct phase-angle calculation. 4. Parameter Adjustment and Calibration
Position the unit inside an enclosed electrical distribution box or power distribution cabinet away from direct water contact or corrosive environments.
When a fault occurs, the internal safety relay trips, and the digital display flashes an alphanumeric error code. Error Code Description Potential Cause Corrective Action Phase Loss Missing input voltage on L1, L2, or L3. Check incoming fuses and line voltage stability. E-02 Over-Temperature Heatsink temperature has exceeded 85°C. Verify fan operation and clear obstructed cooling vents. E-03 Over-Current Output current exceeded 32 Amps. Inspect the load for short circuits or reduced resistance. E-04 Command Signal Fault Control loop signal dropped below 2mA. Check for broken wires in the 4-20mA input circuit. 8. Maintenance Guidelines
Set Switch 3 to ON, Switches 1 and 2 to OFF. Step 3: Initial Calibration and Power-Up gmr-32b phase controller manual
The controller manages the engine start sequence, including pre-heat, crank attempts, and fuel solenoid engagement. It monitors engine parameters via the CANbus protocol (J1939) or standard analog senders (oil pressure, coolant temperature).
If you need help with a specific system architecture, please let me know:
This usually indicates the phase sequence is incorrect. Power down and swap any two of the three input wires (L1/L2/L3) to correct the rotation. Relay Not Engaging: Observe the LED; its brightness should increase smoothly
Opens when a fault is detected, breaking the control circuit.
Modifies the soft-start duration from 0.5 seconds to 10 seconds if DIP switch 5 is engaged. Calibration Procedure Apply the minimum control input signal (e.g., 4.0 mA).
The (also recognized as the COCIS GMR-32B phase sequence relay) is a specialized three-phase power supply protection device engineered to defend industrial motors, pumps, escalators, and HVAC compressors from catastrophic electrical faults. Operating primarily across standard industrial environments—ranging up to 380VAC/460VAC at 50/60Hz—this micro-controlled electronic device monitors voltage stability and phase balance in real-time. Utilizing a standard 35 mm DIN rail profile, it offers plug-and-play fault detection that stops equipment startup or triggers controlled shutdowns when volatile grid errors occur. When a fault occurs, the internal safety relay
Two Normally Open (NO) and two Normally Closed (NC) contacts Contact Switching Capacity: 250VAC @ 6A / 30VDC @ 3A Conventional Heating Current: 8A Response/Trip Time: ≤is less than or equal to
One phase is missing or there is a significant voltage difference between phases. Over/Undervoltage: