sh030051g.pdf - 第86页

3 - 31 3. SIGNALS AND WI RING 3.7.3 Source I/O interfaces In this servo amplifier, sou rce type I/O interfaces ca n be used. In this case, all DI-1 input signals and DO-1 output signals are of source type. Perform wiring…

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3. SIGNALS AND WIRING
(3) Encoder output pulse DO-2 (Differential line driver system)
(a) Interface
Max. output current: 35mA
LA
(LB, LZ)
LAR
(LBR, LZR)
LG
SD
LA
(LB, LZ)
LAR
(LBR, LZR)
SD
Servo amplifier Servo amplifier
Am26LS32 or equivalent High-speed photocoupler
150
100
(b) Output pulse
Servo motor CCW rotation
LA
LAR
LB
LBR
LZ
LZR
T
/2
400 s or more
Time cycle (T) is determined by the settings
of parameter No.PA15 and PC03.
(4) Analog output
LG
MO1
Servo amplifier
Output voltage 10V
Max. 1mA
Max. Output current Resolution: 10 bi
t
(MO2)
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3. SIGNALS AND WIRING
3.7.3 Source I/O interfaces
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
EM1,
etc.
Servo amplifier
Switch
Approx. 5mA
DICOM
V
CES 1.0V
I
CEO
100
A
24VDC 10%
150mA
Approx. 5.6k
(2) Digital output interface DO-1
A maximum of 2.6V voltage drop occurs in the servo amplifier.
If polarity of diode is
reversed, servo
amplifier will fail.
Servo amplifier
ALM,
etc.
Load
DOCOM
24VDC 10%
150mA
(Note)
Note. If the voltage drop (maximum of 2.6V) interferes with the relay operation, apply high voltage (up to
26.4V) from external source.
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3. SIGNALS AND WIRING
3.8 Treatment of cable shield external conductor
In the case of the CN2 and CN3 connectors, securely connect the shielded external conductor of the cable to
the ground plate as shown in this section and fix it to the connector shell.
External conductor Sheath
External conductor
Pull back the external conductor to cover the sheath
SheathCore
Strip the sheath.
(1) For CN3 connector (3M connector)
Screw
Screw
Ground plate
Cable
(2) For CN2 connector (3M or Molex connector)
Screw
Cable
Ground plate