5 Replacing Parts
5.1 Replacing DX200 Parts
5-17
5.1.2 Replacing the Amplifier Module
Replacement Procedure
1. Turn OFF the breaker and the primary power supply and wait at least 5
minutes before replacement. Do not touch any terminals during this
period.
2. Verify that the converter charge lamp (red LED) is unlit.
3. Remove the cover to the EAXA major axes control circuit board.
4. Disconnect all the cables connected externally to the control circuit
board.
If there are external axes, follow the Procedure from ④ to ⑦ .
– SRDA-EAXA21A
① Encoder signal connector (CN508)
② CPS input connector (CN509)
③ DC control power connector (CN510)
– SRDA-EAXB21A (with the external axes)
④ AMP I/F connector 7th axis (CN531)
⑤ AMP I/F connector 8th axis (CN532)
⑥ AMPI/F connector 9th axis (CN533)
⑦ Encoder signal connector 7th axis (CN534)
⑧ Encoder signal connector 8th axis (CN535)
⑨ Encoder signal connector 9th axis (CN536)
5. Loosen the two snap-in latches fixing the base of the EAXA circuit
board by pulling.
6. Open the base for the EAXA circuit board.
7. DIsconnect the all cables connected to the amplifier to be replaced.
8. Remove screws fixing the amplifier.
*03 to 21 amplifier: Remove upper left and lower right screws
(2 places).
*35 to 71 amplifier: Remove IPM fixing screws (2 places) besides
the four corners screws (4 places).
9. Mount thermal sheet to the new amplifier.
(Refer to Thermal Sheet Mounting Instruction.)
10. Mount the new amplifier.
11. Connect all the disconnected cables to the new amplifier.
12. Reinstall the other removed cables, screws and the cover as follow the
Procedure from step 6. to 3.
• After turning OFF the power supply, wait at least 5 minutes
before replacing an amplifier module. Do not touch any
terminals during this period.
Failure to observe this warning may result in electric shock.
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