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Sigma II User's Manual
3.6.5
Torque Control Mode
Three-phase 200 to 230 VAC
(50/60 Hz)
1MCCB
External speed control:
±2 to ±10V/rated motor speed (set by parameter)
External torque control:
±2 to ±10V/rated motor speed (set by parameter)
Backup battery 2.8 to 4.5V
(When using an absolure encoder).
SEN signal input
(When using an absolure encoder).
Servo ON with 1Ry ON
P control with 2Ry ON
Forward run prohibited with
P-LS OPEN
Reverse run prohibited with N-LS
OPEN
Alarm reset with 3Ry ON
Reverse current limit ON with 6Ry ON
Forward current limit ON with 7Ry ON
*The time constant for the primary filter is 47µs
R
S
T
Power
Power
Noise filter
OFF
ON
1MC
SUP
1MC
1MC
L1
L2
L3
SGDH Servo Amplifier
L1C
L2C
⊕1
⊕2
Be sure to
ground.
CN1
V-REF
5
LPF*
P
SG
6
9
T-REF
LPF*
P
SG
10
BAT (+)
21
+
P
BAT (-)
-
22
SEN
+5V
4
P
2
SG
0V
3.3kΩ
+24V
+24V
47
1Ry
/S-ON
40
2Ry
/P-CON
41
P-LS
P-OT
42
N-LS
N-OT
43
3Ry
44
/ALM-RST
6Ry
/P-CL
45
7Ry
/N-CL
46
Connect shield to connector shell.
3-27
Alarm
processing
Be sure to attach a surge suppressor to the excitation
coil of the magnetic contactor and relay.
B3
B1
B2
U
V
W
CN2
37
A/D
38
39
33
34
35
36
19
20
48
Used only with
49
an absolute encoder
1
25
26
Servo ON
~
Proportional control
(P control)
27
Forward run
prohibited
28
~
Reverse run
prohibited
29
Alarm reset
30
~
Forward current
31
limit ON
32
Reverse current
~
limit ON
Connector shell
FG
P: Indicates twisted wore pairs.
Chapter 3: Wiring
Servomotor
A (1)
B (2)
M
C (3)
D (4)
Optical
encoder
PG
Be sure to prepare the end of
the shielded wire properly.
ALO1
Alarm code maximum output:
Operating voltage: 30V
ALO2
DC
Operating current: 20mA
DC
ALO3
PAO
/PAO
PG dividing ratio output
Applicable line receiver
PBO
SN75175 or MC3486 manufac
/PBO
tured by T/I or the equivalent
PCO
/PCO
Amount of S-phase rotation
PSO
Serial data output
/PSO
Applicable line receiver
SN75175 or MC3486
SG
manufactured by T/I or the
equivalent
/VLT+
Speed control output *6.
(ON during speed control)
/VLT-
TGON output
/TGON+
(ON at levels above the setting)
/TGON-
Servo ready output
/S-RDY+
(ON when ready)
/S-RDY-
Servo alarm output
ALM+
(OFF with an alarm)
ALM-
Photocoupler maximum output:
Operating voltage: 30V
DC
Operating current: 50mA
DC
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