SIEMENS
4/143
Siemens IK PI · 2015
AS-Interface
Power supply units and data decoupling modules
Data decoupling modules for S7-1200
DCM 1271 data decoupling module
4
■
Selection and ordering data
■
Accessories
■
Circuit diagrams
DCM 1271 single data decoupling module
■
More information
Manuals see
.
For more information on AS-i Power24V, see
"AS-Interface System Manual"
.
Version
Article No.
3RK7271-1AA30-0AA0
DCM 1271 data decoupling modules
• With screw terminals, removable terminals (included in the scope of supply)
• Dimensions (W
H
D / mm): 30
100
75
3RK7271-1AA30-0AA0
Version
Screw terminals
Article No.
Screw terminals
• 5-pole
for AS-i master CM 1243-2 and AS-i DCM 1271 data decoupling module
3RK1901-3MA00
• 3-pole
for AS-i DCM 1271 data decoupling module for connecting the power supply unit
3RK1901-3MB00
DCM 1271
Data Decoupling Module
NSB0_02244
EARTH
FAULT
ASI
-A1
1L+
2L+
2M
DQ ASI+ ASI-
EFD
max. 4 A
max.
50
mA
max
ASI OL
DIAG
+
+
1M
>
© Siemens AG 2014