Control unit
■
Replacing the memory unit
After replacing a control unit, you can keep the existing parameter settings by transferring
the memory unit from the defective control unit to the new control unit.
WARNING!
Do not remove or insert the memory unit when the control unit is powered.
1.
Stop the drive and do the steps in section
Electrical safety precautions (page 36)
before
you start the work.
2.
Make sure that the control unit is not powered.
3.
Remove the fastening screw and pull the memory unit out.
4.
Install a memory unit in reverse order.
■
Replacing the BCU control unit battery
Replace the real-time clock battery if the BATT OK LED is not illuminated when the control
unit is powered.
1.
Stop the drive and do the steps in section
Electrical safety precautions (page 36)
before
you start the work.
2.
Undo the fastening screw and remove the battery.
3.
Replace the battery with a new BR2032 battery.
Maintenance 75
Summary of Contents for ACS880-307LC
Page 1: ... ABB INDUSTRIAL DRIVES ACS880 307LC diode supply units Hardware manual ...
Page 2: ......
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Page 12: ...12 ...
Page 34: ...34 ...
Page 41: ...10 9 7 6 8 Electrical installation 41 11 ...
Page 73: ...11 12 12 6 10 Maintenance 73 ...
Page 78: ...78 ...
Page 88: ...88 ...
Page 96: ... 400 mm wide input cubicle 96 Technical data ...
Page 97: ... 600 mm wide incoming cubicle or input cubicle Technical data 97 ...