SBC PCD2.M5 Series - Port X.0: RS-422; RS-485 on the Modul PCD2.F2100

Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG Communication interfaces
5
5-21
Serial interfaces on I/O module slots 0 - 3
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 1
2 /Tx Rx 3
4 /Rx PGND 5
6 RTS /RTS 7
8 CTS /CTS 9
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 3
4 PGND 5
6 7
8 (SGD) 9
10-pole spring terminal block
Connection:
+5 V
Pull up
330 Ohm
Pull down
330 Ohm
Segment lenght max. 1200 m
max. 32 stations
Termination
Resistor
150 Ohm
+5 V
/RX-/TX
RX-TX
2
/n
1
n /nn
/n
n