
Distillation Process Analyzer DPA-4.5
Design and function
Figure 4.4: Inside of the control box
1
Industry PC
2
Motor circuit breaker for chiller (optional)
3
Automatic cut-outs
The electrical and electronic components are:
−
Industry PC that provides the user interface, controls and monitors
all processes and performs external communications.
−
IO card for processing internal and external digital and analog
inputs and outputs.
−
Power supply and automatic circuit breakers
−
Transformers if required (for converting the voltage supply)
−
Motor and fault protection switches, filters, contactors
−
Measuring transmitter, measuring amplifier, switching repeater
December 2013
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