Service cases - hardware
4.1 PPU 24x.2/26x.2/28x.2
Hardware and Software
Service Manual, 03/2011, 6FC5397-5DP40-0BA0
77
4.1.2 This is how you remove the PPU
Precondition
For this description, it is assumed that the PPU has been completely connected.
Removing
This description applies to both versions (vertical/horizontal).
Procedure:
1. Switch-off the control: Completely switch off the system. Check that the system is in a no-
voltage condition and is locked-out so that it cannot be switched on again without the
appropriate authorization.
2. Access the control panel/control cabinet where the PPU is installed.
3. Use a multimeter to check that the system really is in a no-voltage condition (isolated
from the supply).
4. If it has not already been done, label all connectors that lead to the module now.
5. Only then, can it be ensured that the cables are not interchanged.
6. Withdraw the power supply X1.
7. Withdraw the digital input/output terminals X122, X132, X142.
8. Withdraw the handwheel terminal X142.
9. Withdraw the RS232 cable, X140.
10. Withdraw the connected DRIVE-CLiQ cable X100 – X102
11. Withdraw the connected Ethernet cable X130
12. Withdraw the connected PN interfaces PN1, PN2
13. Remove the ground connection by releasing the grounding screw.
14. If required, release the strain relief.
15. Release the PPU from the operator panel by releasing the clips.
16. Remove the system CompactFlash Card from the control.
(refer to Chapter This is how you remove the syste
m CompactFlash Card (Page 79))
To Next Page
Loading...
Need help?
General
