E8491B AGILENT 电器控制系统

A-B 1746-NI8
FOXBORO P0916JP
SCHNEIDER 140CRP93200
ABB 3HAC2493-1
A-B 1746-NO4I
A-B 1756-ENBT
A-B 1746-NO4I
PROFACE GP470-EG11
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

分类: 标签:

Description

从定时和计数控制上看,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

USED Westinghouse 300 kVA Dry Type Transformer 3 phase
2400 Delta HV 480 Y / 277 LV

Siemens I-T-E RD63F200 Sentron Series Breaker 2000 amps

USED Allen Bradley PanelView Plus 1250 2711P-T12C4D1

225 KVA 13800 480 277 480Y GE Dry Transformer 3 Phase