3-phase servomotors. FXM
3-PHASE SERVOMOTORS. FXM
T
echni
cal data. T
or
qu
e-Spee
d curves
2.
Ref.2105
· 77 ·
FXM|FKM
SERVOMOTOR
FXM78 models
T- 2/58
FXM78.
A.
.
1. Technical data.
Model
FXM78.
A.
.
1
Terminology
Notation
Units
12
20
30
40
Stall torque
Mo
N·m
76.6
76.6
76.6
76.6
Rated torque
Mn
N·m
69.8
65.1
57.7
48.5
Stall peak torque
Mp
N·m
255
255
255
255
Rated speed
nN
1/min
1200 2000 3000 4000
Stall current
Io
A
19.0
31.0
42.6
63.9
Peak current
Ip
A
63
103
142
213
Calculation power
Pcal
kW
9.6
16.0
24.1
32.1
Rated power
Pn
kW
8.8
13.6
18.1
20.3
Torque constant
Kt
N·m/A
4.0
2.5
1.8
1.2
Acceleration time
tac
ms
7.4
12.4
18.6
25.0
Inductance per fase (3-phase)
L
mH
15.0
5.7
3.0
1.3
Resistance per phase
R
0.705 0.265 0.140 0.065
Inertia (without brake)
J
kg·cm²
151.0 151.0 151.0 151.0
Inertia (with brake)
J*
kg·cm²
182.8 182.8 182.8 182.8
Mass (without brake)
P
kg
51.2
51.2
51.2
51.2
Mass (with brake)
P*
kg
55.3
55.3
55.3
55.3
T- 2/59
FXM78.
A.
.
1. AXD drive selection.
Drive
peak torque
in N·m
AXD 2.50
AXD 2.75
AXD 3.100
AXD 3.150
Mp
Mp/Mo
Mp
Mp/Mo
Mp
Mp/Mo
Mp
Mp/Mo
FXM78.12A
200.0
2.6
255.0
3.3
-
-
-
-
FXM78.20A
-
-
187.5
2.4
250.0
3.2
255.0
3.3
FXM78.30A
-
-
-
-
180.0
2.3
255.0
3.3
FXM78.40A
-
-
-
-
-
-
180.0
2.3
Note.
Controlling ventilated servomotors with ACSD-
H or MCS-
H drives has not been considered.
F- 2/40
FXM78.
A.
.
1. Torque-speed graphs.
400 V
400 V (1-15 %)
(A)
1200 min
-1
(B)
2000 min
-1
(C)
3000 min
-1
(D)
4000 min
-1
0
1200 2000
3000
4000
5000
min
-1
0
Nm
60
30
90
120
150
180
210
240
270
