描述
对于小的系统,如80点以内的系统.一般不需要扩展;当系统较大时,就要扩展。不同公司的产品,对系统总点数及扩展模块的数量都有限制,当扩展仍不能满足要求时,可采用网络结构;同时,有些厂家产品的个别指令不支持扩展模块,因此,在进行软件编制时要注意。当采用温度等模拟模块时
USED N-Tron 524TX-A 24 Port Industrial Ethernet Switch
NEW Industrial Devices D2501B Cylinder Control Board
USED Control Gaging Inc. Model 760 Grinding Monitor
USED SICK CLV490-0010 Optic Barcode Scanner CLV 490
USED Square D LC36600 Molded Case Circuit Breaker 600 A
Lakeland Parker Hydraulic Tube Bender 412 12×1-3/4mm
Lakeland Parker 400 Series Hydraulic Tube Bender 412
400 Amp Square D Circuit Breaker LAF 36400 32MVI027
USED QSAC 31-50210N11 Aux Board PMC-400/450 Series
NEW GE Fanuc IC693CPU331-BB CPU Module