Siemens S7-1200 System Manual page 898
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Also See for S7-1200:
- Operating instructions manual (132 pages) ,
- Programming manualline (74 pages) ,
- Manual (46 pages)
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Technical specifications
A.7 Digital signal modules (SMs)
Table A- 118 Wiring diagram for the 8-point digital output relay changeover SM
SM 1222 DQ 8 x Relay Changeover (6ES7 222-1XF32-0XB0)
A changeover relay output controls two circuits using a common terminal: one normally
closed contact, and one normally open contact. Using output "0" as an example, when the
output point is OFF, the common (0L) is connected to the normally closed contact (.0X) and
disconnected from the normally open contact (.0). When the output point is ON, the common
(0L) is disconnected from the normally closed contact (.0X) and connected to the normally
open contact (.0).
Table A- 119 Connector pin locations for SM 1222 DQ 8 x Relay Changeover (6ES7 222-1XF32-
898
0XB0)
Pin
X10
1
L+ / 24 VDC
2
M / 24 VDC
3
No connection
4
No connection
5
0L
6
DQ a.0X
7
DQ a.0
8
No connection
9
1L
10
DQ a.1X
11
DQ a.1
X11
Functional Earth
No connection
No connection
No connection
No connection
No connection
No connection
No connection
2L
4L
DQ a.2X
DQ a.4X
DQ a.2
DQ a.4
No connection
No connection
3L
5L
DQ a.3X
DQ a.5X
DQ a.3
DQ a.5
X12
No connection
No connection
No connection
No connection
6L
DQ a.6X
DQ a.6
No connection
7L
DQ a.7X
DQ a.7
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
X13
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