WEST控制器分组合逻辑控制器和微程序控制器，两种控制器各有长处和短处。WEST微程序控制器设计方便，结构简单，修改或扩充都方便，修改一条机器指令的功能，只需重编所对应的微程序；要增加一条机器指令，只需在WEST控制存储器中增加一段微程序。WEST组合逻辑控制器又称硬布线控制器，由逻辑电路构成，完全靠硬件来实现指令的功能。

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Process controller

WEST 6170+/8170+/4170

Remote Setpoint Option 

Modbus Communications

Transmitter Power Supply

Open Loop Valve Control with or without Position Indication

Jumperless Configuration

Improved 'Plus Series' Interface 

Available in 1/16 DIN, 1/8 DIN and 1/4DIN Formats

Programmable digital process controller

CAL 9500P West Control Solutions

Full PID auto-tuning process controller

Total of 3 outputs, from 4-20mA, 0-5v, 0-10v, SSR drive, relay

Input options: