YASKAWA DX200 - Page 52

5 Replacing Parts
5.1 Replacing DX200 Parts
5-12
5.1.1.6 Replacing the Universal I/O Unit (JANCD-YIO21-E)
 Replacement Procedure
1. Remove the back circuit board from the upper back of the DX200.
2. Remove the cover over the universal I/O circuit board.
3. Remove the all cables connected to the universal I/O circuit board.
4. Loosen the screws (six places) fixing to the universal I/O circuit board.
5. Remove the universal I/O circuit board from the machine safety I/O
logic circuit board (JANCD-YSF22-E).
6. Insert the new universal I/O circuit board connector (CNA) into the
machine safety I/O logic circuit board (JANCD-YSF22-E) connector
(CNA).
7. Tighten the six fixing screws of the universal I/O circuit board firmly.
8. Reinstall the all disconnected cables from the universal I/O circuit
board.
9. Replace the cover on the universal I/O circuit board.
10. Replace the back circuit board on the upper back of the DX200.
Fig. 5-6: Universal I/O circuit board (JANCD-YIO21-E)
NOTE
Turn OFF the power before replacing the unit.
(CN307)
Digital I/O connector
(CN306)
Digital I/O connector
(CN308)
Digital I/O connector
(CN309)
Digital I/O connector
F1,F2
Power supply protective
fuse 3.15A/250A
(CN303)
For switching external
power supply connector
(CN304)
Power supply
output connector