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15. SERVO AMPLIFIERS WITH A LARGE CAPACITY
(
30k TO 55kW
)
(2) I/O interfaces
(a) Digital input interface (DI)
Give a signal with a relay or open collector transistor. Refer to section 3.8.3 for source input.
EM1
Converter unit
Switch
Approx. 5mA
For transistor
DICOM
V
CES
1.0V
I
CEO
100
A
TR
24VDC 10
150mA
Approx. 5.6k
(b) Digital output interface (DO)
A lamp, relay or photocoupler can be driven. Install a diode for an inductive load, or install an inrush
current suppressing resistor for a lamp load. (Rated current: 40mA or less, maximum current: 50mA or
less, inrush current: 100mA or less) A maximum of 2.6V voltage drop occurs in the servo amplifier.
Refer to section 3.8.3 for source output.
(Note) 24VDC 10
150mA
If polarity of diode is
reversed, converter
unit will fail.
Converter unit
ALM,
etc.
Load
DOCOM
Note. If the voltage drop (maximum of 2.6V) interferes with the relay operation, apply high
voltage (up to 26.4V) from external source.