Description
I/O单元实际上是PLC与被控对象间传递输入输出信号的接口部件。I/O单元有良好的电隔离和滤波作用。接到PLC输入接口的输入器件是各种开关、按钮、传感器等。PLC的各输出控制器件往往是电磁阀、接触器、继电器,而继电器有交流和直流型,高电压型和低电压型,电压型和电流型。
FEDERAL SIGNAL CORPORATION 300GC-120 NEW 300GC120
Allen Bradley 1326-CEU-50 Servo Cable 1326CEU50 NEW
FANUC A16B-1212-0871 USED A16B12120871
FANUC A20B-8001-0290 USED A20B80010290
COAX VMK-20-DR-NC NEW VALVE VMK20DRNC
Heller Uni Pro F 23.020229-0185 Board VPS60A-B21 NEW