Name: Spirax Sarco TVA Series
Brand: Spirax Sarco
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IM-P192-02 MI Issue 2 25

Fig. 21 TVA with EIA 485 (RS485) Communications wiring diagram

Power supply 24 Vdc (19 - 28v) 50 mA maximum

GND data

B - data

A + data

Note: Do not reconnect loop

power supply to these terminals

when RS485 board fitted.

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Spirax Sarco TVA Series Specifications

General