描述
PLC在进行逻辑运算之前，必须对外部信号进行采样[8]，若要实现指令的功能，首先要设置外部I/O在梯形图中的地址，系统才能够对用户程序中所使用的I/O地址与单片机的引脚地址相匹配。本设计在I/O设置对话框底层设计了如表1所示的数据处理函数。
Dodge/Reliance Gear Reducer with Motor 140SM3A #2
Dodge APG Gear Reducer Size 140SM3A
Reliance Board Card 804.55.04AU0 8045504AU0 PSC/D NEW
Reliance Programmable Controller AutoMate 15 45C15D
Reliance Board 804.55.10BSR 8045510BSR PSC/D/E NEW
RELIANCE ELECTRIC FIELD CONTROLLER 0-51893-4
Reliance AC Servo Motor, # 1326AB-B520F-21-K5 WARRANTY
One-day shipping available
Reliance Electric Duty Master Motor
Reliance ENT Chair C1
RELIANCE ELECTRIC AUTOMAX 6010 PROCESSOR 57C430B Used
Reliance 2 Axis Servo Controller Part# 57C422 Used
Reliance 147 Watt Power Supply Part# 57C494 Used
