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4.5 I/O Signal Connections
4.5.3 I/O Signal Wiring Examples
Position Control with a Linear Servomotor
Position
Reference
Absolute Data
Request input
Linear Servomotor
Overheat Protection Input
Sequence input signal
power supply input
Servo ON input
(servo ON when ON)
Proportional Control input
(Proportional action
when ON)
Forward Drive Prohibit input
(prohibited when OFF)
Reverse Drive Prohibit input
(prohibited when OFF)
Alarm Reset input
(reset when ON)
Forward External
Force Limit input
(limit when ON)
Reverse External
Force Limit input
(limit when ON)
*1.
*2.
Connect when using an absolute linear encoder.
*3.
The 24-VDC power supply is not provided by Yaskawa. Use a 24-VDC power supply with double insulation or
reinforced insulation.
*4.
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.
4-34
CN1
*1
PULS
7
PULS
Reverse
/PULS
8
Phase A
SIGN
11
SIGN
Forward
/SIGN
12
Phase B
CLR
15
CLR
/CLR
14
4
SEN
+5 V
*2
2
SG
0 V
TH
50
*3
+24 V
+24VIN
47
40
/S-ON
/P-CON
41
42
P-OT
43
N-OT
44
/ALM-RST
45
/P-CL
46
/N-CL
represents twisted-pair wires.
SERVOPACK
Ω
150
37
38
Ω
39
150
33
Ω
150
34
35
36
19
20
48
49
+12 V
Ω
1.0 k
3
Ω
4.7 k
Ω
1.0 k
13
Ω
1.0 k
18
1
25
26
27
28
29
30
31
32
Connector
shell
FG
Connect shield to connector shell.
Frame ground
S_Analog
ALO1
Alarm Code Output
ALO2
Max. allowable voltage: 30 VDC
Max. allowable current: 20 mA DC
ALO3
*4
Encoder Divided
PAO
Pulse Output,
/PAO
Phase A
*4
PBO
Encoder Divided
Pulse Output,
/PBO
Phase B
*4
PCO
Encoder Divided
/PCO
Pulse Output,
Phase C
PSO
*4 Absolute linear
/PSO
encoder position
output
PL1
PL2
Open-collector power supply
output for reference pulses
PL3
SG
Signal ground
/COIN+
Positioning Completion
(ON for completion)
/COIN-
/TGON+
Movement Detection Output
(ON when value
/TGON-
exceeds the setting)
Photocoupler outputs
Max. allowable voltage: 30 VDC
/S-RDY+
Servo Ready Output
Max. allowable current: 50 mA DC
(ON when /S-ON signal
/S-RDY-
can be received)
ALM+
Servo Alarm Output
(OFF for alarm)
ALM-
Applicable Line Receiver:
SN75ALS175 or MC3486
manufactured by Texas
Instruments or the equivalent
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