1747-ASB A-B 继电器的

A-B 1756-IR6I
ABB YPK117A
LENZE 9210 33.9212-E
BENTLY 330703-000-060-10-02-00
BENTLY 330703-000-060-10-02-00
YASKAWA CIMR-VC4A0002BAA
A-B 1747-L541
WESTINGHOUSE 1C31132G01
SIEMENS 6GK7343-1CX10-0XE0
FOXBORO FBM242
SCHNEIDER 140ATI03000
步科 MT508SV4CN
BASLER SCA640-74GM
GE IC695ALG616
A-B 1785-L20B
A-B 1746-HSCE2
GE IC693ALG223

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Description

电器控制系统采用时间继电器的延时动作进行时间控制,时间继电器的延时时间易受环境温度和温度变化的影响,定时精度不高。而PLC采用半导体集成电路作定时器,时钟脉冲由晶体振荡器产生,精度高,定时范围宽,用户可根据需要在程序中设定定时值

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