Electronic crane scale inspection process steps

Zhongyuan---Electronic crane scale inspection process steps:

1. Check the transmitting equipment: If the transmitting equipment power supply is +12VDC, if the instrument signal indicator is “off”, check the transmitter undervoltage indicator. “Off” means the battery voltage is low, we need to replace the battery. Then check the communication unit and A/D board.

2. Check the power supply of the instrument: The external power supply is 220VAQ. If the power is not displayed, you can check whether the wiring and power cable plugs are in good contact and the fuse is damaged. We can use the "error warning light signal" and the "error warning signal" on the digital tube screen to troubleshoot.

(1) The “undervoltage indicator” on the transmitting device is off, indicating that the battery is under voltage and the battery should be replaced.

(2), "data light" is off, indicating that the A/D board has no data output, and the A/D board should be exchanged.

(3), the transmitter "data light" is on, and "receive light is off", indicating that the battery voltage is normal, it should be a malfunction of the communication machine.

During the inspection and maintenance of the electronic crane scale, you can first observe whether the internal device of the crane scale has abnormal noise. If the electronic equipment product starts to have abnormal noise, it will start to cause problems in the working state of some weighing sensor device parts. The sign of the fault, in addition to observe whether there is an alarm sound, and whether there is a certain regularity of these sounds. Some crane scales are faulty because of problems in the line. Therefore, when checking the crane scale, you can also smell whether the crane scale has odor, which can eliminate the cause of the line heating or burnout.

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