Digital board I
Digital board II
451
Relay 9, Contact 1
A51
Relay 15, Contact 1
452
Relay 9, Contact 2
A52
Relay 15, Contact 2
551
Relay 10, Contact 1
B51
Relay 16, Contact 1
552
Relay 10, Contact 2
B52
Relay 16, Contact 2
651
Relay 11, Contact 1
C51
Relay 17, Contact 1
652
Relay 11, Contact 2
C52
Relay 17, Contact 2
Interfaces (rear mounted):
Sub-D connector to DIN 41652, socket, 9 pin
Hint:
Do not connect unused pins.
Pin
RS 232
RS 422
RS 485
PROFIBUS
DP
‘Monitor’
PROFIBUS
DP ‘Slave’
2
TxD
TxD
3
RxD
TxD (+)
RxD/TxD
(+)
RXD/TXD
(+)
RxD
4
RxD (+)
5
GND
GND
GND
8
TxD (-)
RxD/TxD
(+)
RxD/TxD (-)
9
RxD (-)
Housing
Screen
Screen
Screen
Screen
Pin layout for cable connection from the rear mounted RS232 interface to a PC or
modem:
Signal
9 pin
RS232 at
unit
9 pin
RS232 at
PC
25 pin
RS232 at
PC
9 pin
RS232 at
modem
25 pin
RS232 at
modem
TxD
2
2
3
3
2
RxD
3
3
2
2
3
GND
5
5
7
5
7
Screen
Housing
(Housing)
(Housing)
(Housing)
(Housing)
4.4 Front mounted
RS 232 serial
interface/serial
operating cable
4. Installation/connection/setting up
67