YASKAWA MOTOMAN YRC1000 - Page 431

Description of Units and Circuit Boards
15 - 431
In the factory setting, the internal power supply for I/O is used. If the external power supply
for I/O will be used, connect as described below.
1. Remove the wire connected between CN303-1 to -3 and CN303-2 to -4 of the general
purpose I/O circuit board.
2. Connect +24V of the external power supply to CN303-1 and 0V to CN303-2 of the robot
I/O unit.
Connection of the external power supply for I/O
General purpose I/O board
In case of using internal power supply (The factory default settings)
External power supply (Ready by cus-
tomer)
In case of using external power supply
1
(JANCD-AIO0□-E)
CN303
1(EX+24VIN)
+24VU
024VU
2(EX024VIN)
+24V
024V
3(+24V)
4(024V)
3.15A
F1
2
CN303
1(EX+24VIN)
+24VU
024VU
F1
2(EX024VIN)
+24V
024V
3(+24V)
4(024V)
3.15A
+24V
0V
(JANCD-AIO0□-E)