GP470-EG11 PROFACE 时间控制

A-B 1794-IR8/A
FOXBORO FBM214
Bently 330780-50-00
SEW MCS41A0015-5A3-4-00
A-B 1746-NO4I
A-B 1794-IR8/A
A-B 1746-NO4I
SIEMENS 6AV6647-0AD11-3AX0
A-B 1756-ENBT
WESTINGHOUSE 1C31234G01
“WESTINGHOUSE
” 1C31234G01
WESTINGHOUSE 1C31234G01
“WESTINGHOUSE
” 1C31234G01
WESTINGHOUSE 1C31234G01
A-B 1756-ENBT

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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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