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Product description
Application Module FM 458 - User Manual
2-25
6DD1904-0AE0 Edition 12.2001
2
2.3 I/O expansion module EXM 438-1
Designation
Order No.
I/O expansion module EXM 438-1
6DD1607-0CA1
2.3.1 Application and design
The EXM 438-1 expansion module provides additional digital and analog
I/O as well as incremental- and absolute value encoders. Fast data
transfer with the FM 458 application module is realized via the internal
LE bus. The power supply is obtained via the P bus of SIMATIC S7-400.
It is not possible to directly transfer process data via the P bus.
X2
X1
X3
SIM
A
TIC
P
-BU
S
LE
-BUS
S3
S1
S2
10 x LED
8
7
6
5
4
3
2
1
ON OFF
(0 V) (7,0 V)
Switches S1 to S3 for incremental encoder
setting for Switch signal level 0 V or 7,0 V
(incremental encoder documentation)
Analog I/O and
incremental encoder connections
Incremental encoder connections
Digital I/O and absolute value
encoder connections
Fig. 2-6
Mechanical design of the I/O EXM 438 expansion module
Application
Design
Summary of Contents for SIMADYN D FM 458
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Page 11: ...Definitions 1 2 Application Module FM 458 User Manual 6DD1904 0AE0 Edition 12 2001 ...
Page 123: ...ESD guidelines 5 4 Application Module FM 458 User Manual 6DD1904 0AE0 Edition 12 2001 ...