West Pro-4

A fully featured controller for demanding applications.

Meeting challenging application requirements through a high level of I/O, advanced control capability and offering the best-in-class configuration software, BlueControl©.

The Pro-4 offers many integrated features for unrivalled performance such as two PID sets to ensure reliable control over a wide setpoint range and separate PID for heat and cool strategies for optimized control and stability.

Extensive flexibility is offered with 2 universal inputs and 1 optional, up to 3 digital inputs, 6 outputs and an inbuilt profiler with 16 segments x 16 profiles.

Get a Quote Data Sheet

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Additional information



Din Size

Dimensions and Size

96m x 96mm x 118mm (HxWxD), 1/4 DIN


Pin or screw terminals

Primary Input Type

Universal (TC, RTD, DC linear mA/mV)

Other Inputs

External remote setpoint, Potentiometer or Heating current monitoring

Output Type

Relay, Logic/SSR Driver, DC Linear mA/VDC, Optocoupler

Max. Number of Outputs:


Scan Time:

100 ms

Control Type:

2-point (on/off), continuous PID control, or 3-point stepping

Number of Programmer Segments:

16 Program x 16 Segments

Power Supply:

90-260 VAC, 20,4-26,4 VAC: Frequency 48-62 Hz,
18-31 V DC


Modbus RS422/485, RTU or Profibus DP Interfaces

Panel Sealing:



CE, cULus

Software Tools:



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