Mounting
3-8 Application Module FM 458-1 DP - User Manual
A5E01078222-02 Edition 03.2009
Fig. 3-7 Inserting the FM 458-1 DP module (schematic diagram)
4. Screw the module at the top and bottom, tightening the screws
to 0.8 ... 1.1 Nm.
5. Re-insert the line connector at the power supply module.
3.3 Application information and noise immunity
!
CAUTION
The following is valid for the FM 458-1 DP application module and for
the EXM 438-1 and EXM 448/EXM 448-2 expansion modules:
Noise-immune operation is only possible if the modules are tightly
screwed into the subrack.
It is not permissible to insert or withdraw modules undervoltage.
NOTE
Additional information on EMC and ambient conditions, refer to
Chapter 5 "Assembly Guidelines”, or the appropriate SIMATIC S7
documentation!
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