EVCO S.p.A.
EV3 MVC & EVD MVC | Application manual ver. 2.2c | Code 1443DMVCI224
page 24 of 74
Example 2 of electrical connection: EVJ LCD has a RS-485 serial port (purchasing code EVJD900N2VWTX) with INTRABUS
communication protocol and is powered by a safety transformer.
N.B.:
- Do not supply another device with the same transformer
- the INTRABUS/RS-485 serial interface EVIF22ISX is required
- The maximum permitted length for connection cables of the RS-485 port is 1,000 m (3,280 ft).
The table below describes the EVIF22ISX connectors.
Port Part Meaning
INTRABUS
1 12 V
2 signal INTRABUS port
3 reference (GND) INTRABUS port
RS-485
4 reference (GND) RS-485 port
5 negative signal RS-485 port
6 positive signal RS-485 port
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