Siemens SINUMERIK 840C Installation Instructions Manual page 467

7 Drive Machine Data (SIMODRIVE Drive MD)
7.2.2 FDD MD (data description - SW 3)
Derating (reduction) characteristics can be incorporated via this machine data, e.g. derating as
a function of the pulse frequency (MD 1100).
111,25
100
MD 1191 =
l
limit power section
I (MD 1105) = min
red. max. motor
I = Machining-specific input by user
motor
Example:
I
limit transistor
Pulse frequency
I
limit power section
I
limit power section
I
limit power section
I
max. motor
I
motor
I
red. max. motor
I
red. max. motor
I
red. max. motor
7–52
More user manuals on
%
55
2 3,2
MD 1107
8 x 2 x MD1118
100%; 55% + 45% x
(MD 1108) = min
––––––––––––––––
100%;
I
max. motor
(MD 1107) = 25 A
(MD 1100) = 4000 Hz
100%; 55% + 45% x
(MD 1108) = min
(MD 1108) = min (100%; 92.5%) x 17.678 A
(MD 1108) = 92.5% x 17.678 A = 16.35 A
(MD 1104) = 20 A
= 15 A
100%;
(MD 1105) = min
(MD 1105) = min (100%; 75%; 81.75%)
(MD 1105) = 75 %
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MD 1105
8
8000 - f (MD 1100)
PBM
––––––––––––––––
8000 - 3200
I I
motor limit power section
–––––––––––––––––––
x 100%
(MD 1104) I
max. motor
8000 - 4000
––––––––––
8000 - 3200
15 16.35 A
–––– ––––––
x 100%;
20 A 20 A
©
Siemens AG 1992 All Rights Reserved
12.93
,
f in kHz
PBM
I (MD 1107)
limit transistor
––––––––––––––––––
x
2
(MD 1108)
x 100%
(MD 1104)
25 A
––––
x
2
x 100%;
6FC5197- AA50
SINUMERIK 840C (IA)