Siemens SINAMICS S Manuel page 1172

Sync DO_no
1 ... 62
p3801[D] (1)
fset
Synchronizing
voltage
set
sensing
(measurement
|U|set
via VSM10 with
PLL)
f
Actual voltage
sensing
(closed-loop
control gating
unit)
|U|
Sync act
0 ... 2
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
Technology functions - Synchronisation
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 pos effective
r1084
-1
1
1
0
0
Start closed-loop phase control
Sync phase setpoint Sync f_limit
-180.00 ... 179.90 ° 0.00 ... 1.00 Hz
p3809[D] (0.00) p3811[D] (0.20)
KP TN
+
+
-p3811
Sync phase diff
r3808
Sync ph_sync thresh
1.00 ... 20.00 °
p3813[D] (2.00)
Sync U_diff thresh
0.00 ... 10.00 %
p3815[D] (10.00)
5 6
fp_7020_01_eng.vsd
27.02.06 V02.04.00
To setpoint channel
Sync f_targ
n_limit neg effective
r3804
r1087
Alarm
1
target frequency < fmin
0
Alarm
target frequency > fmax
To setpoint channel
Sync f_corr
r3812
1
0
Sync line-drive in synchronism
&
1
0
To motor control
7
Function diagram
SINAMICS S
[3030.8]
[3080.5]
r3819.2
8
- 7020 -