1756-CNB A-B 系统

SCHNEIDER AS-B809-016
A-B 1756-L61
Rosemont 3051DP2A22A1AM5I1HR5
Motorola MVME147SA-1
AB 1756-ENBT
HONEYWELL CC-TAIX01
TOSHIBA DI334
WESTINGHOUSE 5X00121G01
HONEYWELL TC-PCIC02
A-B 1756-OF8
A-B 1756SC-CTR8
A-B 1771-OW16/B
A-B 1756-ENBT
A-B 1756-DHRIO
A-B 1756-DHRIO
SCHNEIDER 140ACI04000
AB 1788-CNC

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Description

从可靠性和可维护性上看,由于电器控制系统使用了大量的机械触点,其存在机械磨损、电弧烧伤等,寿命短,系统的连线多,所以可靠性和可维护性较差。而PLC大量的开关动作由无触点的半导体电路来完成,其寿命长、可靠性高,PLC还具有自诊断功能,能查出自身的故障

NEW Accu-Sort Adaptascan 2755-SN5 Bar Code Scanner Unit

USED Allen Bradley 20AD011F3AYNAEC​0 PowerFlex 70 Drive

USED Siemens SHJD69400 Circuit Breaker 400 Amp

NEW Allen Bradley 1336F-BRF50-AA-​EN Impact AC Drive