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2.2.4 Connection possibilities
EXM 438
EXM 438/EXM 438-1
2 incremental encoders
6 incremental encoders
4 absolute value encoders
Fig. 2-5
Connection possibilities of the input/output expansion module EXM 438/EXM 438-1
An additional expansion module (EXM 438/438-1 or EXM 448) can be
LE-bus connection
inserted at this 5 x 24 pin socket connector.
The 5 x 17 pin socket connector is used to connect to the SIMATIC S7
P-bus connection
backplane (only power supply).
Application Module FM 458 - User Manual
6DD1904-0AE0
Edition 12.2001
50pin
SC63
8 analog outputs
5 analog inputs
l=2m
X1
50pin
SC63
l=2m
X2
SC63
50pin
16 digital inputs
l=2m
8 digital outputs
or
SC62
X3
l=5*2m
or
or
or
Product description
A
(each 50 pin)
2 IE
8 AO
SU13
5 AI
A
(each 50 pin)
6 IE
SU13
A
(each 50 pin)
16 BI
SU13
8 BO
4 AE
A
B
C
8 BO
2 AE
8 BI
SU12
SU12
SU12
SU12
SB70
SB60
SB60
SB71
SB61
SB61
SB10
SB10
SB10
2
(each 10 pin)
D
E
8 BI
2 AE
SU12
2-13
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