Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual
Page 659
Section 13A
Connecting 8520 Digital Drive Systems
13A-25
Table 13A.O lists the 1500/2500 RPM 8500 digital servo motor options
and their specifications.
Table 13A.O
1500/2500 RPM 8500 Digital Servo Motor Options and Specifications
Specifications
1500/2500 RPM 8500 Digital Servo Motor Options
8500-A1D
8500-A2D
8500-A3D
8500-B1D
8500-B2D
Rated Output/Axis
kW (HP)
0.45 (0.6)
0.85 (1.2)
1.3 (1.8)
1.8 (2.4)
2.9 (3.9)
Rated Torque
kg
.
cm (lb
.
in)
29 (25)
55 (48)
85 (74)
117 (102)
190 (165)
Continuous Max. Torque
kg
.
cm (lb
.
in)
30 (26)
60 (52)
90 (72)
120 (104)
230 (200)
Instantaneous Max. Torque
kg
.
cm (lb
.
in)
87 (76)
1
165 (143)
1
255 (221)
1
234 (203)
1
380 (330)
1
Rated Current
Arms
3.8
6.2
9.7
15
20
Rated Revolution
rpm
1500
Maximum Rated Revolution
rpm
2500
Torque Constant
kg
.
cm/A (lb
.
in/A)
8.2 (7.1)
9.4 (8.2)
9.4 (8.2)
8.4 (7.3)
10.0 (8.7)
Rotor Inertia
(J)
g
.
cm
.
s
2
(lb
.
in s
2
x10
-3
)
13.8 (12.0)
24.8 (21.5)
37.4 (32.5)
68.2 (59.2)
112 (97.2)
(GD
2
/4) kg
.
cm
2
(lb
.
in
2
)
13.5 (4.61)
24.3 (8.31)
36.7 (12.5)
66.8 (22.8)
110 (37.6)
Power Rate
kW/s
6.0
12
18.9
19.7
31.5
Mechanical Time Constant
ms
8.3
5.7
4.7
6.8
5.1
Electrical Time Constant
ms
4.2
5.5
6.4
10.4
13.0
Number of Pole
poles
8
Weight
kg (lb)
10 (22)
15 (33)
21 (46)
24 (53)
32 (71)
1
These values will vary depending on the amplifier selected to operate these motors. You may need to recalculate these values based on
your amplifier selection.
Important: 8500 digital servo motor mounting dimensions start on page 13B-1.