ABB
Abb AC Servo motors
| Motors and Generators
| ABB
25
2
BSM80C-150
BSM80C-175
BSM80C-250
Model number
BSM80C-150
BSM80C-175
BSM80C-250
General
Continuous stall torque
lb-in
10.6
10.6
21.2
Nm
1.2
1.2
2.4
Continuous current
amps
2.75
1.93
5.2
Peak torque
lb-in
31.9
31.9
63.7
Nm
3.6
3.6
7.2
Peak current
amps
7
4.9
13.3
Thermal resistance
°C/watt
1.33
1.33
1.15
Thermal time constant
Min
19
19
23
Mechanical time constant
msec
5.95
5.96
3.59
Electrical time constant
msec
1.63
1.65
2.79
Rated speed @ 300 volts
rpm
6000
4000
6000
Rated speed @160 volts
rpm
3200
2130
3200
Electrical
Torque constant
lb-in/amp
4.5
6.5
4.8
Nm/amp
0.51
0.73
0.54
Voltage constant
Vpk/krpm
43.7
62.5
46.2
Vrms/krpm
30.9
44.2
32.7
Resistance
ohms
8.6
17.6
2.8
Inductance
mH
14
29.1
7.8
Mechanical
Inertia
lb-in-s
2
0.0016
0.0016
0.0033
Kg-cm
2
1.81
1.81
3.73
Maximum speed (1)
rpm
10,000
10,000
10,000
Number of motor poles
—
4
4
4
Weight
lbs/Kg
9/4.1
9/4.1
10/4.5
BSM C-series performance curves
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
2
3
1
0
TORQUE (Nm)
20
30
10
0
160 VDC BUS
320 VDC BUS
1
2
3
4
5
6
7
0
0
1
2
3
4
5
6
7
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
2
3
1
0
TORQUE (Nm)
20
30
10
0
160 VDC BUS
320 VDC BUS
1
2
3
4
5
0
0
1
2
3
4
SPEED (rpm) x 1000
CURRENT (Amps)
TORQUE (lb-in.)
2
3
4
5
6
7
1
0
TORQUE (Nm)
20
30
40
50
60
10
0
160 VDC BUS
320 VDC BUS
1
2
3
4
5
6
7
0
0
2
4
6
8
10
12
(1) Maximum speed can be limited by bus volts and feedback types.
Abb AC Servo motors