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Sigma II User's Manual
3.6.4
Speed Control Mode
Three-phase 200 to 230VAC
(50/60Hz)
Reference speed:
±2 to ±10V/rated motor speed (set by parameter)
Ttorque reference:
±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
1MCCB
Power
Power
Noise filter
OFF
ON
1MC
1MC
L1
L2
L3
L1C
L2C
⊕1
⊕2
Be sure to
ground.
CN1
V-REF
5
P
SG
6
9
T-REF
P
SG
10
BAT (+)
21
+
P
BAT (-)
-
22
+5V
SEN
4
P
2
SG
0V
+24V
+24V
47
1Ry
/S-ON
40
2Ry
/P-CON
41
P-LS
P-OT
42
N-LS
43
N-OT
3Ry
44
/ALM-RST
6Ry
45
/P-CL
7Ry
46
/N-CL
Alarm
processing
1MC
SUP
Be sure to attach a surge suppressor to the excitation
coil of the magnetic contactor and relay.
B1
B2
B3
SGDH Servo Amplifier
LPF*
A/D
LPF*
Used only with
an absolute encoder
3.3kΩ
Servo ON
~
Proportional control (P control)
Forward run
prohibited
~
Reverse run
prohibited
Alarm reset
~
Forward current
limit ON
Reverse current
~
limit ON
Connector shell
FG
Connect shield to connector shell.
P: Indicates twisted wore pairs.
3-26
Chapter 3: Wiring
Servomotor
A (1)
U
B (2)
M
V
C (3)
W
D (4)
Optical
encoder
PG
CN2
Be sure to prepare the end of
the shielded wire properly.
37
Alarm code maximum output:
ALO1
38
Operating voltage: 30V
ALO2
Operating current: 20mA
39
ALO3
33
PAO
34
PG dividing ratio output
/PAO
Applicable line receiver
35
SN75175 or MC3486 manufac
PBO
tured by T/I or the equivalent
36
/PBO
19
PCO
20
/PCO
Amount of S-phase rotation
48
Serial data output
PSO
49
Applicable line receiver
/PSO
SN75175 or MC3486
1
SG
manufactured by T/I or the
equivalent
25
Speed coincidence detection
/V-CMP+
(ON when speed coincides)
26
/V-CMP-
27
/TGON+
TGON output
28
(ON at levels above the setting)
/TGON-
29
Servo ready output
/S-RDY+
(ON when ready)
30
/S-RDY-
31
Servo alarm output
ALM+
32
(OFF with an alarm)
ALM-
Photocoupler maximum output:
Operating voltage: 30V
DC
Operating current: 50mA
DC
DC
DC
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