
3. SIGNALS AND WIRING
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3.8.3 Source I/O interface
In this servo amplifier, source type I/O interfaces can be used. In this case, all DI-1 input signals and DO-1
output signals are of source type. Perform wiring according to the following interfaces.
(1) Digital input interface DI-1
DICOM
For transistor
Approximately
6.2 k
˖
Approximately
5 mA
V
CES
ื 1.0 V
I
CEOื 100 μA
TR
24 V DC ± 10%
300 mA
Switch
EM2,
etc.
Servo amplifie
(2) Digital output interface DO-1
A maximum of 2.6 V voltage drop occurs in the servo amplifier.
(Note) 24 V DC ± 10%
300 mA
If polarity of diode is
reversed, servo amplifier
will malfunction.
Servo amplifie
ALM,
etc.
Load
DOCOM
Note. If the voltage drop (maximum of 2.6 V) interferes with the relay operation, apply high
voltage (maximum of 26.4 V) from external source.
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