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Starting up
7-15
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Determining the machine data:
Torque increase from boost
Torque drop from PWM
Maximum permissible
operating moment
Start/Stop
SS (J = 0)
(
)
M
M1
M2
3
1.8
0
M0
M
Load
M
b1
M
b2
5
3.4
0.6
J
[Nm]
[kg
cm
2
]
f
max
e.g. 500 increments/revolution
J
Load
n
f
[Hz]
10
100 f1 f0
1 000
f
eg
10 000
12
120
1 200
n
[1/min]
[1/min]
3
0
Fig. 7-6
Operating characteristic curve of the stepper motor
When you evaluate this example characteristic in accordance with the algorithm in
Figure 7-7, you determine the following machine data:
MD39 = 100 Hz
Start/stop frequency
MD40 = 3 000 Hz
Frequency value
f
eg
MD42 = 218 000 Hz/s
Acceleration 1 (f
f
eg
)
MD43 = 109 000 Hz/s
Acceleration 2 (f >
f
eg
)
MD44 = 0
Deceleration 1 = acceleration 1
MD45 = 0
Deceleration 1 = acceleration 2
Summary of Contents for SIMATIC FM 353
Page 22: ...Product Overview 1 12 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...
Page 32: ...Installing and Removing 3 6 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...
Page 282: ...Description of Functions 9 82 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...
Page 354: ...User Data Block AW DB B 16 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...