Siemens SIMATIC FM 453, Руководство пользователя

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9-73
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
The following illustrations provide you with examples of frequency profiles
for selected traversing movements.
t
f
f
max
f
eg
f
ss
a
v2
a
b2
a
v1
a
b1
Fig. 9-8 Maximum Speed Frequency Profile
f
f
max
f
eg
f
ss
Stop
N1 N2
tst tvk
t
Fig. 9-9 Frequency Profile for Stop or G60
The following table shows you which parameters to use in matching fre-
quency generation to the selected step drive.
MD Designation Value/Meaning Unit
46 Minimum idle time between
two positioning cycles (t
st
)
1 – 10,000
[
ms
]
47 Minimum traversing time at
constant frequency (t
vk
)
1 – 10,000
[
ms
]
54 Start/Stop frequency (f
ss
) 10 – 100,000
[
Hz
]
55 Frequency value for accelera-
tion switchover (f
eg
)
10...1,000,000
1)
[
Hz
]
56 Maximum frequency (f
max
) 500...1,000,000
1)
[
Hz
]
57 Acceleration 1 (a
b1
) 10...10,000,000
1)
[
Hz
]
58 Acceleration 2 (a
b2
) 10...MD57; 0 = as with MD57
1)
[
Hz
]
59 Delay 1 (a
v1
) 10 – 10,000,000, 0 = as with
MD57
1
[
Hz
]
60 Delay 2 (a
v2
) 10...MD59; 0 = as with MD58
[
Hz]
1) see Section 5.3.1, Dependencies
Description of Functions