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。
Saftronics GP10 Vector AC Drive GP10E9ST34040B1 40 HP
Square D I-Line LX LXI36500 I-Limiter 500 Amp 500A A
Square D PowerPact I Line PJA36080 CU44A 800Amp 800 A
Cutler Hammer Breaker ND312T32W 1200 Amp A 1200A 600A
C-H CH Westinghouse HND3800T107W Optim 800 Amp 800A A
C-H CH Westinghouse HND3800T107W Optim 800 Amp 800A A
Eaton Cutler Hammer 400 Amp Fusible Switch P3F365RN NEW
Klockner-Moeller NZM12-800 with Trip ZM12a-70-NA Amp
Square D I-Line NX NX361200 800 Amp A 800A LSI
CH Westinghouse HND 800 Amp 800A A HND3800T32W 8NES800T
Toshiba Houston TEFC Motor 200 HP 1770 RPM Fr. 447TZ
Siemens-Allis LA-3000A Air Circuit Breaker Draw Out
ITE Siemens Breaker HRXD63B200 2000 Amps A 2000Amp