ABB ACS880-1607, Руководство по оборудованию

Страница: 22 / 122

22 Operation principle and hardware description

R8i DC/DC converter module
The converter modules run on wheels, which, along with the quick connector, enable quick
extraction of a module for maintenance or replacement.The figure shows the layout of the
converter module.
Description
A DC/DC converter module, frame size R8i, front
B DC/DC converter module, frame size R8i, back
1. Common DC bus connection
2. Handle
3. Fiber optic connectors of the module (wired to the control unit)
4. Fan
5. Quick connector (BDCL connection) (The counterpart fastened to the cabinet behind the module.)
6. Wheels
7. Type designation label of the module
8. Terminal block [X50] (power supply for internal boards and module heating element, C183;
DOL fan supply, C188)
9. Connector [X53]. For more information on the connectors, see chapter Control unit .
10. The unpainted grounding point (PE) between module frame and cabinet frame
11. Circuit board compartment fan
12. Lifting eyes.
A B
5
5
2
3
4
1
6
7
8
9
10
11
12