Siemens SIMOTICS S-1FT7 User Manual

Motor components and options
4.2 Options
S-1FT7 synchronous motors
76 Configuration Manual, 09/2018, A5E45099423B AA
4.2.1.3
Technical specifications
Table 4- 5 Technical specifications of the holding brakes
Motor type
Holding torque
at 120 °C
M
4
/ Nm
Dyn. Braking
torque
M
1m
/ Nm
DC current at
20 °C
I / A
Opening time
with varistor
1)
t
o
/ ms
Closing time
with varistor
1)
t
c1
/ ms
Highest braking
energy
W / J
Permanent magnet brakes for 1FT7
1FT703☐
3
1.5
0.3
60
25
30
1FT704☐
8
5
0.6
90
30
270
1FT706☐ 18 11 0.8 150 50 880
1FT708☐
48
25
1.0
220
65
1900
1FT710☐ 85 35 1.6 250 70 5300
1FT713☐
140
60
1.8
350
70
9800
1) Measured at 24.0 V
Note
Option N27 - holding brake with low moment of inertia
Information on option N27 can be found at
Option N27 - Brake with low moment of inertia
(Page
96)
Note
If the brake is switched in two st
ages ("click" twice), then when opening, the first switching
point is decisive, and when closing, the second switching point is decisive.
I
Current magnitude
t
Time
t
o
Opening time with varistor (measured at 24.0 V)
t
c1
Closing time with varistor (measured at 24.0 V)
A
Brake open
Figure 4-3 Terminology (time) for holding operation

Siemens SIMOTICS S-1FT7 Specifications

General

Brand	Siemens
Model	SIMOTICS S-1FT7
Category	Engine
Language	English