D674A906U01 ABB 隔离变压器

ABB AO810V2
A-B MPL-A1510V-VJ72AA
A-B 1756-CNBR
GE IC200ALG328
GE IC200ALG328
A-B 2094-BM01-S
B&R ECPNC3-0 PNC3
A-B 1756-DHRIO
SIEMENS 6ES5951-7ND51
EMERSON SDN20-24-100C
NI SCXI-1327
OLYMPUS OTV-S7H-NA-12E
ABB RMIO-11C+N694

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Description

PLC可靠性要求又较高的场合,PLC的供电应与动力供电和控制电路供电分开;必要时,可采用带屏蔽的隔离变压器供电、串联LC滤波电路等。在设计时,外接的直流电源应采用稳压电源,供电功率应留有20%~30%的余量。对由控制器本身提供的直流电源,应了解它所能提供的最大电流,防止过电流造成设备的损坏。

Allen Bradley Electronic Operator Interface Terminal

Allen Bradley Electronic Operator Interface Terminal

Allen Bradley Electronic Operator Interface Terminal

Allen Bradley Electronic Operator Interface Terminal

Allen Bradley Electronic Operator Interface Terminal