Technical data
L2 interface socket X3 (RS 485)
PG interface socket X4
X4
Pin
no.
Signal
name
1
2
3
4
5
6
7
8
9
M-EXT (external ground))
TTY
-
P24
MASSE (internal ground))
TTY
TTY
M-EXT (external ground))
TTY
10
11
12
13
14
15
IN-
OUT+
OUT-
IN+
M24
20 mA (control source for transmitter))
MASSE (internal ground)
20 mA (control source for receiver))
Master poll
MASSE (internal ground))
Table 4.4 Pinout Table of the PG Interface Socket X4
X3
Pin
no.
Signal
name
PROFIBUS
designation RS 485
1
2
3
4
5
6
7
8
9
PE
SIL
RxD/TxD-P
RTS (AG)
M5V2
P5V2
BATT
RxD/TxD-N
RTS (PG)
Protective earth
Data line - B
Control - A
Data ref. potential
Power supply +
-
Data line - A
Control - B
yes
yes
yes
yes
-
yes
-
--
yes
occ. with
Table 4.5 Pinout Table of the L2 Interface Socket X3
B8976060/02 Technical Description and Installation of the CP 5430 TF/CP 5431 FMS
4 - 19 Volume 1










