125840-02 BENTLY

A-B 1783-US6T2F
SCHNEIDER 140NOM21100
A-B 1746-NIO4V
ABB ZCU-12

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Description

故障检测:plc本身有很完善的自诊断功能,但在工程实践中,plci/o元件如限位开关、电磁阀、接触器等的故障率远远高于plc的本身故障率,这些元件出现故障后,plc一般不会察觉出来,不会立即停机,这会导致多个故障相继发生,严重时会造成人身设备事故

APPLIED MATERIALS AMAT 901000427 TOPCAN SOURCE EXTRACT

LEYBOLD INFICON TRANSPECTOR 2.0 RGA, M/N: TSPTT100

TAYLOR-WINFIELD ERE-15-11-8 TRANSFORMER 150 KVA 460V

NEW ASTIPURE PFD3 333SI CONTROLLED FLOW PUMP 13 GPM