描述
PLC控制着一个复杂系统，所能看到的是上下两排错开的输入输出继电器接线端子、对应的指示灯及PLC编号，就像一块有数十只脚的集成电路。任何一个人如果不看原理图来检修故障设备，会束手无策，查找故障的速度会特别慢。
NEW Moog G771K235 Servo Valve 2 Year Warranty NIB
New Moog G771K615A Servo Valve NIB 2 Year Warranty
NEW Moog G771K202A Servo Valve 2 Year Warranty NIB
New Moog G771K200A Servo Valve NIB 2 Year Warranty
NEW Moog G772K619A Servo GE Turbine Valve Replacement
NEW Moog G772K620A Servo GE Turbine Valve Replacement
Moog G761-3004 Servo Valve Rebuilt w/Warranty
Moog G761-3600 Servo Valve Rebuilt w/13 Month Warranty
NIB Moog D634-341C DirectDrive Servo Valve 2Yr Warr New
NIB Moog D634-319C DirectDrive Servo Valve 2Yr Warr New
