描述
PLC也可与计算机通讯，由计算机把DM区的数据读出，并由计算机再对这些数据作处理。这时，PLC即成为计算机的数据终端。
电业部门曾这么使用PLC，用以实时记录用户用电情况，以实现不同用电时间、不同计价的收费办法，鼓励用户在用电低谷时多用电，达到合理用电与节约用电的目的。
Ref: GE General Electric DC Contactor Relay 150 DC Amps 600V
NEW GE AUXILIARY RELAY 12HFA54E187F
Ref: NEW GE AUXILIARY RELAY 12HFA54E187F
GE INFOGRAPHICS RIM16-E1L 16 INPUT RELAYS NEW IN BOX
Ref: GE INFOGRAPHICS RIM16-E1L 16 INPUT RELAYS NEW IN BOX
GE FANUC OUTPUT RELAY PLUG-IN MODULE MODEL IC610MDL182A
Ref: GE FANUC OUTPUT RELAY PLUG-IN MODULE MODEL IC610MDL182A
NEW GE AUXILIARY RELAY 12HFA51A42H
Ref: NEW GE AUXILIARY RELAY 12HFA51A42H
GE CASI RUSCO 110078001 MICRO/5 16DOR 16 RELAYS 16DO
Ref: GE CASI RUSCO 110078001 MICRO/5 16DOR 16 RELAYS 16DO
GE Fanuc IC-697-MDL-653/IC697MDL653 Input Relay
Ref: GE Fanuc IC-697-MDL-653/IC697MDL653 Input Relay
GE Transformer Overcurrent Relay TOC7102B201C00 MSI129
Ref: GE Transformer Overcurrent Relay TOC7102B201C00 MSI129
NEW GE Fanuc 16 Circuit Relay Output Module IC610MDL182
Ref: NEW GE Fanuc 16 Circuit Relay Output Module IC610MDL182
GE CR2810A14AG102 10A 600V 8 N.O. P Machine Tool Relay
