Master Controller Cabinet; Sbc And Card Cage Assembly - ABB PGC5000 Series Service Instructions Manual

PGC5000
PGC5000 Series Service Instructions

6.2 Master controller cabinet

The Master Controller houses the following components, located as shown in Figure 6.1.
• Single Board Computer (SBC) and Card Cage Assembly
Oven Controller PCB
•
Power Supply
•
• Optional Wago Modules (input/output option)
Single Board Computer PCB
Power Supply
Fig. 6.1. Master Controller Component Locations
The Master Controller also has the network interface connections, which are located at the back of the Card Cage, on the top
right.
The following subsections give specification and removal procedures for components installed in the Master Controller.

6.2.1 SBC and card cage assembly

The SBC and Card Cage Assembly is installed as a single unit, mounted on the back of the Master Controller.
Card Cage removal and replacement procedure:
1. Disconnect all Power and cables.
2. Remove Oven Controller PCBs and retain for re-installation.
3. Unscrew the four thumb screws at bottom on both sides of the cage.
4. Slide cage out.
5. To replace, reverse order.
SBC PCB removal and replacement procedure:
1. Remove Card Cage as described in the previous paragraph.
2. Remove the screws holding the SBC to the Card Cage, and retain the screws for re-installation.
3. Remove the SBC PCB.
4. Place the new SBC PCB on the back of the Card Cage.
5. Insert the screws that hold the SBC in place.
6. Install the Card Cage in the Master Controller, as described in the previous paragraph.
System Board Battery: This is a small rectangular boxed object ("Snap Hat") located in the middle of the SBC. While it isthe
unlikely the battery will fail, it can be replaced.
• Failure symptoms: System Clock resets when system is powered off.
Removal procedures: Place fingers or tool on both sides of the battery. Apply equal force to both sides and pull away
•
from the SBC.
• Installation Procedures: Locate battery connection base on the SBC. Ensure all four connection pins are straight and
free of contaminants. Align pins with base, push in firmly.
6.2.2 Oven controller pcb
Oven Controller PCB removal and replacement procedure:
1. Remove power from unit and follow plant documentation procedures.
2. Label (noting position and orientation) and remove all cables attached to the board.
SI/PGC5000-EN, rev B
Wago Modules
Oven Controller PCB
6 Component repair
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