Mounting
3-2 Application Module FM 458-1 DP - User Manual
A5E01078222-02 Edition 03.2009
Before installation in the SIMATIC subrack, you must pre-mount the
FM 458-1 DP application module with all of the required options.
A max. of two expansion modules can be used together with
the FM 458-1 DP application module. The following combinations are
possible:
Application module 1
st
expansion module 2
nd
expansion module
None None
EXM 438-1 None
EXM 448/EXM 448-2 None
FM 458-1 DP EXM 438-1 EXM 438-1
EXM 448/EXM 448-2 EXM 448/EXM 448-2
EXM 448/EXM 448-2 EXM 438-1
EXM 438-1 EXM 448/EXM 448-2
Table 3-1 Possibilities of combining expansion modules
When installing the FM 458-1 DP, proceed in the following sequence:
1. Remove the cover plate at the LE bus of the FM 458-1 DP and the
transport protection at the LE bus connector of the EXM modules.
2. Place the modules on a flat surface and plug together.
3. Lock the modules together at the top and bottom using the connecting
clips supplied.
4. Screw the cover plate on the LE bus socket of the right-hand EXM
module.
The individual steps when installing options are now described.
Installation
sequence
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