Port X.0: Rs-422 / Rs-485 On The Modul Pcd2.F2100 - SBC PCD2.M5 Series Manual

Saia-Burgess Controls AG
5.5.4 Port x.0: RS-422 / RS-485 on the modul PCD2.F2100
The PCD2.F2100 module contains two different interface types on Port x.0: RS-422
with RTS/CTS and RS-485 (electrically connected). The line termination is integrated
into the module and can be enabled by means of a switch on the module.
RS-422 mode
RS-422
0 PGND Tx
2 /Tx Rx
4 /Rx PGND 5
6 RTS /RTS
8 CTS /CTS
10-pole spring terminal block
Line termination in RS-422 mode always uses 150 Ω resistor on the PCD2.F2100.
RS-485 mode
(Electrically connected RS-485 interface)
RS-485
0 PGND Rx-Tx 1
2 /Rx-/Tx
4 PGND 5
6
8 (SGD)
10-pole spring terminal block
Connection:
Pull up
330 Ohm
Termination
Resistor
150 Ohm
Pull down
330 Ohm
Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 1 2│2014-07-24
1
3
7
9
3
7
9
+5 V
n
2
1
Serial interfaces on I/O module slots 0 - 3
/n n /n
Segment lenght max. 1200 m
max. 32 stations
Communication interfaces
+5 V
/RX-/TX
/n
RX-TX
n
5
5-21