ABB ACS880-04 - Inverter Module (Frame R8 I)

36 Operation principle and hardware description
 Inverter module (frame R8i)
Description
A INU module, frame size R8i, front
B INU module, frame size R8i, back
1. DC input busbars
2. Handle
3. LEDs (see section LEDs and other status indicators on page 180)
Fiber optic connectors (see section Module fiber optic connectors on page 137)
4. Cooling fan (standard speed-controlled fan shown; a direct-on-line fan is available as option +C188)
5. Quick connector (AC output) (The counterpart fasten to the cabinet behind the module.)
6. Wheels
7. Type designation label of the module
8. Terminal block (power supply for internal boards, module direct-on-line fan (option +C188) and
module heating element (option +C183)) [X50]
9. Connectors [X51], [X52], [X53]. See chapter The Safe torque off function on page 351.
10. Unpainted fastening hole. The grounding point (PE) between module frame and cabinet frame.
11. Lifting eyes
A B
5
5
2
3
4
1
6
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8
9
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