描述
PLC控制系统的输入电路设计。PLC供电电源一般为AC85—240V，适应电源范围较宽，但为了抗干扰，应加装电源净化元件（如电源滤波器、1:1隔离变压器等）;隔离变压器也可以采用双隔离技术，即变压器的初、次级线圈屏蔽层与初级电气中性点接大地，次级线圈屏蔽层接PLC输入电路的地，以减小高低频脉冲干扰。
Ircon ModlinePlus 2 color Thermometer 1300-2500F
Allen-Bradley 8000-GD-A circuit board 30 day return
Allen-Bradley 8000-IOCZ circuit board 30 day return
Ircon Modline 6000series, 500-1000F, infrared meter
Ircon Modline 2000series 1500-2500F Auto Optical meter
Ircon Modline 8000series 800-2,200F, Infrared Meter
Modicon AS-P451-622 remote I/O, MA-P450 Power supply
TOPAZ 68025-05 250VA,220/240v 50HZ power conditionerNEW
TOPAZ 68050-05 500VA,220/240v 50HZ power conditionerNEW
Hoffman Specialty 400562 Thermostatic Regulator NEW
Hyde Park SM572B-100 & cable AC105 Ultrasonic sensorNEW
Klockner-Moeller NZMH9-250, w/ ZM9a-200-NA trip, 250A,
SQUARE D Circuit breaker LA3250 250AMP
