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4. SIGNALS AND WIRING
4.8.2 Detailed description of interfaces
This section provides the details of the I/O signal interfaces (refer to the I/O division in the table) given in
section 4.5.1 Refer to this section and make connection with the external equipment.
(1) Digital input interface DI-1
Give a signal with a relay or open collector transistor. Refer to section 4.8.3 for the source input.
(2) Digital output interface DO-1
A lamp, relay or photocoupler can be driven. Install a diode (D) for an inductive load, or install an inrush
current suppressing resistor (R) for a lamp load. (Permissible current: 40mA or less, inrush current: 100mA
or less) A maximum of 2.6V voltage drop occurs in the servo amplifier.
Refer to section 4.8.3 for the source output.
For transistor
Approx. 5mA
Switch
TR
V
1.0V
24VDC 10%
CES
150mA
I
100 A
CEO
Servo amplifier
ALM,
etc.
DOCOM
24VDC 10%
150mA
Servo amplifier
EMG,
5.6k
etc.
DICOM
If polarity of diode is
reversed, servo
amplifier will fail.
Load
4 - 29
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