Siemens SINUMERIK 840C - Manual (Page 1109)

12 Functional Descriptions 08.96
12.33.1 Introduction
Current
setpoint
limitation
Function
generator for
FFT analysis
(current
controller)
MSD field control
FDD field setpoint =0
Ust
–
d Ust
–
q
T S R
I
d
I
q
n
–
set
ENC
M
U
dq U
RST
n
–
act iq
–
set
Filter 1 PT2:
MD 1202
MD 1203
Bandstop:
MD 1211
MD 1212
MD 1213
MD 1104
MD 1105
MD 1103
MD 1238
Field controller
MD 1120
MD 1121
a,b d,q
RST a,b
I
R
I
S
Fig. 12-3 Overview of current control loop
12–334 © Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)