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  • If the main controller has a black screen, how to solve it? Solution：
    ① Check whether the power cord and the positive and negative terminals are connected tightly, and whether there is any false connection or missing connection;② Except for the power cord and grounding wire, remove all the wires, power off the host and restart it to see if it recovers. If it doe
  • If the main controller(FR-DCMG-MMP?) has no communication or poor communication, how to solve it?
    ① First check the main controller baud rate, parity bit, address, etc., whether the settings are correct; ② Confirm whether the communication wire used is standard, 485 twisted pair shielded wire; ③ Confirm whether there is a virtual connection between the communication line and the host "A
  • The connection mode of the
    (1) Connect the temperature sensor to the “TS, SG” terminal; (2) When connecting the temperature sensor, tighten the “TS, SG” terminals tightly; (3) When the temperature sensor is connected, there is no positive or negative, and it can be connected at will; (4) temperature sensor connection, as show