Description of Units and Circuit Boards
8
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83
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Connection of the external power supply for I/O
In the factory setting, the internal power supply for I/O is used. If the external power supply
for I/O is used, connect it as described below.
1. Remove the wire connected between CN303-1 to -3 and CN303-2 to -4 of the universal
I/O circuit board.
2. C24V of the external power supply to CN303-1 and 0V to CN303-2 of the robot
I/O unit.
NOTICE
The internal power supply of 24V of about 1.5 A of robot control can be used for I/O.
Use external 24V power supply for higher currents and to isolate the circuit inside and
outside the robot control.
Power supply circuit for I/O (+24 VU, 024 VU) has 3.15A fuses (F1, F2).
Install the external power supply outside the DX200 to avoid electric noise problems.
If the internal power supply is selected and the external power supply is connected to
CN303-1 to -3 and CN303-2 to -4, do not connect the external power supply line to the
+24VU and 0VU terminals. The unit may malfunction if the external power supply is also
connected.
Universal I/O circuit board
External supply
Provided by the customer
In case of using external power supply.
In case of using internal power supply (factory set-
tings).
1
(JANCD-YIO21-E)
CN303
1(EX+24VIN)
+24VU
024VU
F1
F2
2(EX024VIN)
+24V
024V
3(+24V)
4(024V)
3.15A
3.15A
(JANCD-YIO21-E)
CN303
1(EX+24VIN)
+24VU
024VU
F1
F2
2(EX024VIN)
+24V
024V
3(+24V)
4(024V)
3.15A
3.15A
+24V
0V
3
4
5
1
1
2
2
3
4
5