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Saia-Burgess Controls AG
Manual PCD2.F2xxx serial interface
modules │ Document 27-649 ENG02 │ 2018-08-15
Module variants
PCD2.F2xxx serial interface modules
1-13
1.5.2
RS-485/RS-422 - PCD7.F110S serial interface module
The terminating connectors can be linked using slide switches (CLOSED) or
isolated (OPEN).
PCD7.F110S
RS-485 terminator
Slider
2
1
C
O
Open not terminated
(factory setting)
Slider
2
1
C
O
Closed terminated
RS-422 connection
Port x.1
RS-422
10 pin spring-loaded terminal block
0 PGND
Tx
1
2
/Tx
Rx
3
4
/Rx
PGND 5
6
RTS
/RTS 7
8
CTS
/CTS 9
The line terminator in RS-422 mode occurs at 150 Ω in all cases on the PCD2.
F2100 module.
PGND 10
TX 11
/TX 12
RX 13
/RX 14
PGND 15
RTS 16
/RTS 17
CTS 18
/CTS 19
PGND
TX
/TX
RX
/RX
SGND
RTS
/RTS
CTS
/CTS
Pin
RS-422
Peripherie-
device
Terminal
RS 485 connection
Port x.1
RS-485
10 pin spring-loaded terminal block
0 PGND Rx-Tx 1
2 /Rx-/Tx
3
4
PGND 5
6
7
8 (SGD)
9
(Electrically connected RS-485 interface)
1