
Upgrading Existing Series 500 Installations
C-21
SIMATIC 545/555/575 System Manual
To remove the PPX:505–6860, complete the following steps.
1. If attached, remove cables from the front of the PPX:505–6860.
2. Disconnect power to the base.
!
WARNING
Disable all power to the base before installing or removing the PPX:505–6860.
Installing or removing any module from a powered-up base could cause
unexpected operation which could cause death or serious injury to personnel,
and/or damage to equipment.
To prevent disruption of the I/O channel, disconnect the I/O channel cable
before removing or installing the PPX:505–6860.
3. Loosen top and bottom bezel screws.
4. Carefully pull the PPX:505–6860 from the base.
CAUTION
The PPX:505–6860 is sensitive to, and can be damaged by, electrostatic
discharge.
Ensure that personnel make contact with a static-dissipative pad and/or wear a
grounded wrist strap when handling the PPX:505–6860.
Removing the
RS-485/RF
I/O Channel
Converter
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