| Terminal Block | Signal | Notes | |----------------|------------------|--------------------------------| | L1, L2, L3 | 3-phase input | 230V or 400V depending on model | | T1, T2, T3 | Load output | Connect to heater / load | | A1, A2 | Aux supply | 220V AC (check manual) | | 4-20mA IN + / - | Analog setpoint | 0–10V or 4–20mA selectable | | COM, NO, NC | Alarm relay | Fault output |
Protects against overvoltage and undervoltage, with adjustable thresholds typically ranging from -30% to +30% of the rated input. gmr32b+phase+controller+manual+patched
: Cuts power if the voltage exceeds safety thresholds (e.g., 380V +15%). Undervoltage | Terminal Block | Signal | Notes |
Many users report that the GMR32B’s output drifts after 2 hours of operation. The patched manual introduces a : The patched manual introduces a : The patched
The patched manual includes a new section: "Safety Override Procedures" – but use this only if you are a licensed industrial electrician.
: A version of the manual for the GMR-32B series is archived on ManualLib .
) to ensure the digital documentation has not been tampered with or corrupted. Typical Wiring & Setup Input (L1, L2, L3): Connect directly to the incoming three-phase power supply. Output (Relay Contacts):