Siemens SINAMICS G150 Manual page 1194

Sync DO No
1...62
p3801[D] (1)
f
set
Synchronizing
voltage
set
sensing
(measurement
via VSM10 with |U|
set
PLL)
f
Actual voltage
sensing
(closed-loop
control gating
unit)
|U|
Sync act
0...1
p3800[D] (0)
Sync enable
Sync-line-drive frequency measurement active
p3802[C]
Sequence
(0)
control
Sync-line-drive closed-loop phase control active
Sync-line-drive synchronizing error
1 2
DO: VECTOR, VECTORMV
Technology functions - Synchronization
Frequency measurement
Sync f_diff thresh
0.00...1.00 [Hz]
Sync f_diff
p3806[D] (0.10)
r3805
+
–
+
–
+
–
Phase measurement/
closed-loop control
Sync-line-drive enabled Sync U_diff
r3819.0 r3814
r3819.5
r3819.6
r3819.3
3 4
n_limit neg eff
r1087
n_limit pos eff
-1
r1084
1
1
0
0
Start closed-loop phase control
Sync phase setp Sync f_lim
-180.00...179.90 [°] 0.00...1.00 [Hz]
p3809[D] (0.00) p3811[D] (0.20)
+
KP TN
+
Sync phase diff
r3808
Sync Ph_sync thrsh
1.00...20.00 [°]
p3813[D] (2.00)
Sync U_diff thresh
0.00...20.00 [%]
p3815[D] (10.00)
5 6
fp_7020_51_eng.vsd
03.11.11 V04.07.00
To setpoint channel
Sync f_target
r3804
1
A07941
f_target < f_min
0
A07941
f_target > f_max
To setpoint channel
-p3811
Sync f_corr
r3812
1
0
Sync-line-drive in synchronism
&
1
0
To motor control
7
Function diagram
SINAMICS
[3030.8]
[3080.5]
r3819.2
8
- 7020 -