4.5 I/O Signal Connections
4.5.3 I/O Signal Wiring Examples
4-38
Speed Control with a Linear Servomotor
*1. represents twisted-pair wires.
*2. Connect these when using an absolute linear encoder.
*3. You can enable this function with a parameter setting.
*4. The 24-VDC power supply is not provided by Yaskawa. Use a 24-VDC power supply with double insulation or
reinforced insulation.
*5. Always use line receivers to receive the output signals.
Note: If you use a 24-V brake, install a separate power supply for the 24-VDC power supply from other power sup-
plies, such as the one for the I/O signals of the CN1 connector.
If the power supply is shared, the I/O signals may malfunction.
PBO
PCO
/PBO
PAO
/PAO
/PCO
/V-CMP+
/V-CMP-
/TG
ON
+
/TG
ON
-
/S-RDY+
ALM+
ALM-
FG
10
27
28
29
30
31
32
25
26
19
33
34
35
36
20
+24 V
*4
+24VIN
4.7 k
Ω
/S-ON
/P-CON
P-OT
N-OT
/ALM-RST
/N-CL
47
41
43
42
44
45
/P-CL
46
40
/S-RDY-
V-REF
SG
A/D
5
6
*1
T-REF
SG
1
SG
9
2
+5 V
0 V
SEN
SG
4
ALO1
ALO2
ALO3
37
38
39
CN1
D/A
D/A
*5
50
TH
PSO
/PSO
48
49
*5
*5
*5
Servo ON input
(servo ON when ON)
Reverse Drive Prohibit input
(prohibited when OFF)
Forward Drive Prohibit input
(prohibited when OFF)
Alarm Reset input
(reset when ON)
Reverse External
Force Limit input
(limit when ON)
Forward External
Force Limit input
(limit when ON)
Connect shield to connector shell.
Connector
shell
Proportional Control input
(Proportional action
when ON)
Movement Detection Output
(ON when value
exceeds the setting)
Servo Ready Output
(ON when /S-ON signal
can be received)
Servo Alarm Output
(OFF for alarm)
Photocoupler outputs
Max. allowable voltage: 30 VDC
Max. allowable current: 50 mA DC
Speed Coincidence
Detection output
(ON when speed coincides)
SERVOPACK
Speed reference
input (max. input
voltage: ±12 V)
External Force
Limit/Force
Feedforward
(max. input
voltage: ±12 V)
bsolute Data
Request input
Alarm Code Output
Max. allowable voltage: 30 VDC
Max. allowable current: 20 mA DC
Frame ground
Encoder Divided
Pulse Output,
Phase A
Encoder Divided
Pulse Output,
Phase B
Encoder Divided
Pulse Output,
Phase C
Applicable Line Receiver:
SN75ALS175 or MC3486
manufactured by Texas
Instruments or the equivalent
*3
*2
Linear Servomotor Overheat
Protection input
Absolute linear
encoder position
output
Sequence input signal
power supply input
Signal ground
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