描述
PLC的供电电源，除了引进设备时同时引进PLC应根据产品说明书要求设计和选用外，一般PLC的供电电源应设计选用220VAC电源，与国内电网电压一致。重要的应用场合，应采用不间断电源或稳压电源供电。
如果PLC本身带有可使用电源时，应核对提供的电流是否满足应用要求，否则应设计外接供电电源。为防止外部高压电源因误操作而引入PLC，对输入和输出信号的隔离是必要的，有时也可采用简单的二极管或熔丝管隔离
1 NIB RELIANCE ELECTRIC 45C201 REMOTE I/O PROCESSOR
1 NIB RELIANCE ELECTRIC 45C204 REDUNDANCY PROCESSOR
1 NIB RELIANCE ELECTRIC 0-52850 052850 PRINTED CIRCUIT
1 NIB RELIANCE ELECTRIC 45C271 AUTOMATE 40 16K MEMORY
1 NIB RELIANCE ELECTRIC 61C540 ANALOG INPUT 4-20MA
1 NIB RELIANCE ELECTRIC 800123-1T 8001231T RESOLVER
1 NIB RELIANCE ELECTRIC 800123-R 800123R TACHOMETER
1 NIB RELIANCE ELECTRIC 45C202 PROCESSOR MODULE
1 NIB RELIANCE ELECTRIC 0-60017-1 0600171 BOARD
1 NIB RELIANCE ELECTRIC 0-57552-4 0575524 DRIVE CONTROL
1 NIB RELIANCE ELECTRIC 61C540A ANALOG INPUT 16 CHANNEL
