ELC, EXM and PR-Series Expansion Unit Naming Convention
Figure 6 – PR-E or EXM-E Expansion Unit Naming Convention
1. Series name – PR or EXM.
2. Indicates Expansion module.
3. Type of input and output points
4. A number – Total number of inputs and outputs
a. AI – Analogue input only
b. AQ – Analogue output only
c. PT100 – Temperature input only PT100
d. RS485 – Isolated RS485 communication
5. Voltage Supply:
a. AC
b. DC
6. Types of Inputs:
a. D – Digital only
b. DA – Digital and Analogue
7. Type of Outputs:
a. R – Relay
b. TN – Transistor PNP
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