User manual

CONFIGURATION

6 RS485 interface

The RS485 serial interface is

provided on the front panel 2 pins

screw-block.

Polarisation resistors

1 Kohm bus polarisation resistors

are included inside the product.

RS485

B(+)

A(-)

1 KOhm

IPL-E

RS485 line matching

For a several meters long connection over the RS485 local interface, it is

not necessary to adapt the RS485 line.

For a longer distance, matching and polarisation resistors must be

added.

IPRS serial gateway User guide ref. 9018409-01

Page 15