描述
PLC控制系统的程序设计要点。PLC控制系统I/O分配，依据生产流水线从前至后，I/O点数由小到大;尽可能把一个系统、设备或部件的I/O信号集中编址，以利于维护。定时器、计数器要统一编号，不可重复使用同一编号，以确保PLC工作运行的可靠性。
Siemens Micromaster 6SE6440-2UD32-2DA1 30 HP VS Drive
Fanuc A06B-0162-B175 AC Servo Motor M6/3000 1.4 kW 3000
Furnas 14KF32AH81 Size 5 270A Starter 120/110V Coil
Allen Bradley 15 HP Inverter Duty Motor 1780 RL21732
Allen Bradley 15 HP Inverter Duty Motor 1780 RL2173
Square D Transformer 112.5 kVA 480Y/277Y/240Delta
Bolt Loc Bolted Pressure Switch VL 3610 G6 2000 Amp Gnd
Westinghouse Seltronic HMC HMC3800F 800 Amp A 800A
General Electric THFP368 1200A Fusible Switch 1200 A
GE Power Break PowerBreak TPVF6620 2000 Amp 2000A A
Square D PHF Amp 1200 A PHF361200-1680 PHF3612001680
Westinghouse DB25 DB 25 600 Amp Digitrip RMS/R 500 CLS
Klockner-Moeller NZM11-630 with Trip ZM11-600-CNA A Amp
