ABB BCU-01, Руководство по оборудованию

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BCU-01/11 control units 15
Maintenance

Replacing the real-time clock battery
Replace the real-time clock battery if the BATT LED is not illuminated when the
control unit is powered. For information on the LED, see
Fault tracing
on page
14
.
See A in figure
See the appropriate documentation: drive or inverter module
hardware manual.
on page
16
.
1. Undo the fastening screw and remove the battery. For the replacement battery
type, see
Real-time clock battery
on page
20
.
2. Insert the new battery according to figure
See the appropriate documentation:
drive or inverter module hardware manual.
.
3. Dispose the old battery according to local disposal rules or applicable laws.
4. Set the real-time clock.

Replacing the memory unit
WARNING! Do not remove or insert the memory unit when the control unit is
powered.
See B in figure
See the appropriate documentation: drive or inverter module
hardware manual.
on page
16
.
1. To remove the memory unit, undo the fastening screw and pull the memory unit
out. See the following figure.
2. Insert the new memory unit and fasten the screw.

Replacing the SD/SDHC memory card
Note: Do not remove the SD card while the yellow WRITE LED is lit. Writing to the SD
card is in progress.
See C in figure
See the appropriate documentation: drive or inverter module
hardware manual.
on page
16
.
1. Undo the fastening screw of the clip covering the memory card and press the
card to remove it. For the card location, see the following figure. For the
replacement card type, see
Ground isolation diagram
on page
19
.
2. Insert the new card in reverse order.