Siemens 7MB2335, Operating Instructions Manual, Page: 40 / 168

Technical Description
Operating instructions ULTRAMAT 23 gas analyzer
C79000-B5276-C216-03
3-18
ULTRAMAT 23, pin assignment of the optional PROFIBUS interface board
37
36
35
34
33
29
30
31
32
18
17
16
14
13
12
11
10
9
8
7
6
5
28
27
26
25
24
4
3
2
1
23
22
21
20
19
15
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
}
Connector SUB-D 9F -X90
PROFIBUS-DP
VP /+ 5 V
DGND
RxD/TxD-N (A)
RxD/TxD-P (B)
CNTR-P/direction control
Connector SUB-D 9M -X90
PROFIBUS-PA
PA-P(+)
Pa-N(-)
optional
Floating via
opto isolator
"0" = 0 V (0 to 4.5 V)
"1" = 24 V (13 to 33 V)
Safety extra-low voltage
(SELV) with safe
electrical isolation.
GND
Relay 11
Relay 12
Relay 13
Relay 14
Relay 15
Relay 16
Relay 9
Relay 10
Binary input 14-P
NC
NC
GND
Binary input 13-P
Binary input 12-P
Binary input 11-P
Binary input 10-P
Binary input 9-P
Binary input 8-P
Binary input 7-P
Binary input 7 to 14-N
Connector SUB-D 37F (option)
M
M
Contact loading
max. 24 V/1 A, AC/DC;
relay contacts shown:
de-energized relay coil.
Safety extra-low voltage
(SELV) with save
electrical isolation.
Note
:
Cable and connectors must
be shielded and connected
to chassis potential.
CNTR-N