3-16 Field Control Genius® Bus Interface Unit User’s Manual October 1999 GFK-0825F
3
Upgrading the BIU Firmware
Note
The BIU EEPROM stores the configuration of the I/O Station. If you replace the
BIU EEPROM, it will be necessar y to reconfigure the I/O St ation using a Hand-
held Monitor.
Follow the steps below to replace the BIU's firmware EEPROM.
Caution
Avoid touching the exposed wiring on the Terminal Block when removing
the Bus Interface Unit.
Caution
Electrostatic discharge can damage the module when it is not installed on a
Terminal Block. Always observe normal ESD protection practices when
handling an un-installed module. Use of a ground cuff and a grounded floor
surface are recommended.
1. Remove power to the I/O Station.
2. Fully loosen the retaining screws in the Bus Interface Unit and carefully remove it from the
Terminal Block. Do not tilt the module during removal.
3. Remove the retaining screws from the BIU.
4. Th e firmware EEPROM is located on the 2-board set that also includes the Hand-held Monitor
connector . T h is set of two boar ds and their pl a stic card guid e must be removed from the
module housing.
46546
Remove