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266 UDC 6300 Process Controller Product Manual 1/03

8.8 Parts Replacement Procedures

Introduction

These procedures tell you how to access and replace the following printed

wiring boards in your controller.

• Bezel/Keyboard and/or Display Board

• MCU/Inputs Board

• Communications Option Board

• Power / DIO Board

• Input 5 - Low Level or Pulse Input Board

Figure 8-1 shows you how to remove the chassis from the case.

Figure 8-2 identifies all the printed wiring boards and parts necessary to

facilitate removing and replacing the parts listed above.

Figure 8-3 Identifies the accessed printed wiring boards.

Controller

replacement

ATTENTION

If you are replacing a UDC6000 or an existing UDC6300

you can keep the old configuration data by removing the EEPROM from

the old unit and placing it in the new unit. Refer to Figure 8-2 for location

of the UDC6300 EEPROM and the following instructions:

• Replacing a UDC6000 with a UDC6300

remove the UDC6300 EEPROM at U106 and replace it with the

UDC6000 EEPROM at U26. This IC contains all the configuration

data that was in the UDC6000, so, the UDC6300 will now have

the same configuration as the UDC6000 that you are replacing.

• Replacing a UDC6300 with a

remove the EEPROM at U106 from the new UDC6300 and

replace it with the EEPROM from the old UDC6300. The new

UDC6300 will now have the same configuration as the one that

you are replacing.

Equipment needed

To accomplish the procedures that follow, you will need the following

equipment:

• Phillips Head Screwdriver

• Flat Bladed Screwdriver

• Small Pliers

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United Security Products AVD-45c Manual Pagina 280