Description
PLC系统与dcs系统的结构差异不大,只是在功能的着重点上的不同,DCS着重于闭环控制及数据处理。PLC着重于逻辑控制及开关量的控制,也可实现模拟量控制。
Allen-Bradley 8000 MBA Module 905981-05 Rev A
GE 300 Line size #3 Motor starter CR306E1 XAAA, NEW
Allen-Bradley 8000-GA circuit board 30 day return
Allen-Bradley 8000-IOC circuit board 30 day return
Allen-Bradley 8000-IOA circuit board 30 day return
TOPAZ 68025-05 250VA,220/240v 50HZ power conditionerNEW
TOPAZ 68050-05 500VA,220/240v 50HZ power conditionerNEW
Hoffman Specialty 400562 Thermostatic Regulator NEW