The GMR-32B Phase Controller (often branded by Jiefeng or COCIS) is a critical protection relay used primarily in industrial elevator and escalator systems to monitor three-phase power supplies.
The device acts as a "gatekeeper" for motor control circuits, ensuring they only energize when the power supply is safe. It monitors for two primary conditions: gmr32b+phase+controller+manual+patched
Reply #4 - User: fixit_right Why hack the hardware? Just buy the GMR-Pro software license. It lets you unlock the phase angles via the RS485 Modbus port without soldering. The GMR-32B Phase Controller (often branded by Jiefeng
Contact Configuration: Typically 1C/O or SPDT (Single Pole Double Throw) relay output. Dimensions: 17.5 × 90 × 90 mm . Key Features gmr32b+phase+controller+manual+patched