Such as the influence of power supply or communication lines,the damage of the insurance of the process channel,the abnormal power supply of the cabinet,etc.The module base communication circuit has failed.The components are aged or damaged,and the modules are damaged due to long-term work.For the above faults,we can only try to repair them when there is a fault,but the premise is that there are spare parts to protect.
如供电或通信线路的影响，过程通道的保险损坏，机柜电源不正常等。模件底座通信回路出故障。元器件老化或损坏，模件处于长时间工作导致的损坏。对于以上故障只有在出现故障时尽力修复，但前提是要有备品备件来保障。
GE CL00-45 RT1M Starter Contactor Overload Relay ~NIB
ABB SSAC TIME DELAY RELAY TRM120A2Y120 120VAC N BOX
RED LION APLPV400 CONTROLS APOLLO PROCESS VOLTMETER~GO
RIETER 0927 361 / 0 RELAY IN BOX
GE CR224C310F OVERLOAD RELAY FOR GE 200-LINE IN BOX
OMRON POWER SUPPLY S82J-02505D GOOD TAKEOUT
CUTLER HAMMER WMS2D03 BREAKER 3 AMP, 2 POLE,
SQUARE D MG24444 Supplementary Protector 3A, 2-Pole, 48
SQUARE D MG17411 C60N .5 AMP 277 V C60N Circuit Breaker
