描述
PLC控制系统的输入电路设计。PLC供电电源一般为AC85—240V,适应电源范围较宽,但为了抗干扰,应加装电源净化元件(如电源滤波器、1:1隔离变压器等);隔离变压器也可以采用双隔离技术,即变压器的初、次级线圈屏蔽层与初级电气中性点接大地,次级线圈屏蔽层接PLC输入电路的地,以减小高低频脉冲干扰。
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OMRON C500-IDS01-V2 USPP C500IDS01V2
OMRON C500-IM212 NSFP C500IM212
OMRON C500-OD411 NSFP C500OD411
C500-OC221 New I Box Omron PLC Relay Output 3G2A5-OC221
OMRON C500-OD219 INPUT MODULE ***NIB***
OMRON C500-RM001-V1 USPP C500RM001V1
Omron C500-OA121 Output Unit (3G2A5-OA121) New
OMRON SYSMAC C500 CPU11-V1 Programmable Controller PLC
C500-OC224 Omron PLC New In Box 32 Pt Relay 3G2A5-OC224
OMRON C500-OA222/3G2A5-OA222 OUTPUT UNIT ***XLNT***
Omron C500-DA001 C500DA001 D/A Module