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3 Wiring and Connection
3.3.3 Example of I/O Signal Connections in Speed Control
3.3.3
Example of I/O Signal Connections in Speed Control
Connection example in speed control is as shown below.
Speed reference
(Max. input
voltage range:
± 12 V)
External torque
limit/Torque feed
forward ∗
3
(Max. input
voltage range:
± 12 V)
Backup
+
*2
battery
-
(2.8 to 4.5 V)
SEN signal input
Servo ON
(Servo ON when ON)
P control
(P control when ON)
Forward run prohibited
(Prohibited when OFF)
Reverse run prohibited
(Prohibited when OFF)
Alarm reset
(Reset when ON)
Forward external torque limit
(Limit when ON)
Reverse external torque limit
(Limit when ON)
∗1.
∗2. Connect when using an absolute encoder. When the encoder cable with the battery case is connected, do not connect
a backup battery.
∗3. Enabled by the parameter setting.
∗4. The 24-VDC power supply is not included. Use a 24-VDC power supply with double insulation or reinforced insula-
tion.
∗5. Always use line receivers to receive the output signals.
3-18
Multi-winding drive unit
∗ 1
CN1
V-REF
5
D/A
6
SG
9
T-REF
D/A
SG
10
BAT(+)
21
BAT(-)
22
4
SEN
+5 V
∗ 2
2
SG
0 V
∗ 4
3.3 k Ω
+24 V
+24VIN
47
/S-ON
40
41
/P-CON
42
P-OT
43
N-OT
44
/ALM-RST
45
/P-CL
46
/N-CL
represents twisted-pair wires.
37
ALO1
Alarm code output (OFF for alarm)
38
ALO2
A / D
39
ALO3
33
PAO
34
/PAO
35
PBO
36
/PBO
19
PCO
20
/PCO
SG
1
/V-CMP+
25
26
/V-CMP-
/TGON+
27
/TGON-
28
/S-RDY+
29
30
/S-RDY-
31
ALM+
32
ALM-
SERVOPACK
Connector
shell
FG
Connect shield to
connector shell.
Max. operating voltage: 30 VDC
Max. output current: 20 mA DC
∗ 5
Encoder output
pulse phase A
Applicable line receiver:
∗ 5
SN75ALS175 or
Encoder output
MC3486 manufactured
pulse phase B
by Texas Instruments or
the equivalent
∗ 5
Encoder output
pulse phase C
Speed coincidence detection
(ON when speed coincides.)
Rotation detection output
(ON when the motor speed
Photocoupler output
exceeds the settings.)
Max. operating voltage:
30 VDC
Max. output current:
Servo ready output
50 mA DC
(ON when ready)
Servo alarm output
(OFF for an alarm)
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