Isolated rs-485 module dsi485, Figure 174 isolated rs-485 module wiring diagram – Vaisala Hydromet Data Collection Platform User Manual

Page 342

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User's Guide ______________________________________________________________________

340 _________________________________________________________________ M210933EN-C

Isolated RS-485 Module DSI485

The isolated RS-485 communication module can be configured either
for a 2-wire line or for a 4-wire line when the receive and transmit lines
are separated. If the module is configured for a 2-wire line, the
transmitter is enabled only during the transmission. Normally, the 2-
wire connection is used to connect several devices to the same
communication line. The 4-wire mode is the default mode.

1006-100

Figure 174

Isolated RS-485 Module Wiring Diagram

NOTE

In 2-wire mode, only T+ and T- pins are used.

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