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4. CONTROL UNIT CONNECTIONS
4.8 Connecting the Machine Control Signal
I - 28
<Outline of connection>
A
2
B2
Machine
control panel
DIO
B1
A
1
24VDC(+)
COM
2.2kΩ
SA
0V
PL
Input circuit
sink type
Output circuit
source type
Control
circuit
Stabilized
power supply
DCIN
24VDC
(
+
)
0V FG
0V
1 2 3
RA
A
2
B2
DIO
B1
A
1
24VDC(+)
0V
COM
2.2kΩ
SA
0V
PL
Input circuit
source type
Output circuit
source type
DCIN
24VDC(+) 0V FG
1 2 3
RA
Machine
control panel
Stabilized
power supply
Control
circuit
(Note 1) Only the machine input signal can be changed between the sink type and source type.
<Outline of extension DIO card connection>
24VDC(+)
24VDC(+)
0V
Machine
control panel
DI
Extension DIO card
HR881/HR882
COM
A3
B3
B1
B2
A1
A2
B1
B2
A1
A2
A
nalog output
B4
A4
2.2kΩ
Input circuit
sick type
Output circuit
sink type
DO
DAC
R
R
220
Ω
0V
RA
PL
24VDC(+)
24VDC(+)
0V
DI
Extension DIO card
HR883/HR884
COM
A
3
B3
B1
B2
A
1
A
2
B1
B2
A
1
A
2
A
nalog output
B4
A
4
2.2k
Ω
Input circuit
source type
Output circuit
source type
DO
DAC
R
R
220Ω
0
RA
0
PL
Machine
control panel
CAUTION
Incorrect connections could cause device damage, so always connect the cables to the
designated connectors.
Do not connect or disconnect the connection cable between each unit while the power
is ON.