Dynalco Catalyst Monitor Manuel d'utilisateur télécharger pdf (Page 20)

Modbus Communication

The unit also provides access to the internal registered values using the Modbus Protocol.

The diagram below shows the recommended connections to the removable connectors on

the back of the unit for either half-duplex or full-duplex (RS485).

Wiring is as follows:

Description

5 TD(A) **

6 TD(B) **

7 Jumper to PIN 5

8 Jumper to PIN 6

** A 120 ohm termination resistor may need to be installed across pins 5 & 6.

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Dynalco Catalyst Monitor Manuel d'utilisateur Page 20