Technical data

Computing Unit Expansions
4-24
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
4.7 Removing and Installing the Wiring Backplane
1. Open the system housing as described in section 4.1.
2. Remove all the modules from their slots (perform the steps described in
section 4.4.2).
3. Remove the drive mounting as described in section 4.5.1.
4. Remove the power supply unit as described in section 4.6.
5. Undo the screw on the motherboard.
6. Pull the wiring backplane from the motherboard.
7. Proceed in the reverse order to install the new wiring backplane.
Wiring backplane Wiring backplane fixing screws
Figure 4-19 Removing and Installing the Wiring Backplane