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
Cutler Hammer WH KDC KDC3400F KT3400T KDC3400 400 Amp
Federal Pacific QMQB7036 Panelboard Switch 600 Amp QMQB
ITE Circuit Breaker HM3-F800 HLM Type ET 700Amp trip
Westinghouse Circuit Breaker HLB3400F HLB 200 Amp Trip
Siemens RLE-800 RLE 800 Amp Static Trip III RMS LSIG
General Electric GE QMR366 Disconnect Switch 600 Amp
Westinghouse Breaker HLC3600F 600 Amp A 600A 600Amp
ITE Circuit Breaker HNB3F800 Type HNB 800Amp 800 A trip
Yaskawa JZNC-XIU01B Servo Amplifier JZNCXIU01B
Allen Bradley AB AC Drive 1334-BJB 1333BJB 3PH 460V 3HP
Yaskawa CPCC-PP160A PositionPack-160A PP160
Modicon 140-CPU-434-12 486 Controller 140CPU43412
Square D Saflex SD78418 Busway Plug-In Unit 150 Amp Bus