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3. SIGNALS AND WIRING
3.4.2 Detailed description of the interfaces
This section gives the details of the I/O signal interfaces (refer to I/O Division in the table) indicated in
section 3.2.2.
Refer to this section and connect the interfaces with the external equipment.
(1) Digital input interface DI-1
Give a signal with a relay or open collector transistor.
VDD
COM
24VDC
SG
TR
Servo amplifier
R: Approx. 4.7
EM1
For a transisto
r
Approx. 5mA
V
CES
1.0V
I
CEO 100 A
Switch
(2) Digital output interface DO-1
A lamp, relay or photocoupler can be driven. Provide a diode (D) for an inductive load, or an inrush
current suppressing resistor (R) for a lamp load. (Permissible current: 40mA or less, inrush current:
100mA or less)
(a) Inductive load
VDD
24VDC
COM
SG
If the diode is not
connected as shown,
the servo amplifier
will be damaged.
Load
MBR
Servo amplifier