Siemens sinamics dcp - Fig. 3-37 6830 - Pulse width modulation

SINAMICS DCP List Manual (LH21), 05/2016
357
3 Function diagrams
3.9 Closed-loop control
Fig. 3-37 6830 – Pulse width modulation
fp_6830_89.vsd
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- 6830 -
SINAMICS DCP
25.04.2016 v 1.2
DO: DCP_CTRL
- Pulse width modulation
Function diagram
r55250
PU1 ctrl_angle [%]
Pulse frequency
r55251[0]
PU 2 3 ctrl_angle [%]
PWM 1
PWM 2
Settings
status
Modulator freq
p55320 (100.000 %)
+
Enable direction DC2 --> DC1
+
Control signal jumper 1
Control signal jumper 2
[2585.8]
r00899.11
Pulses enab
[6825.7]
[6825.7]
PU property f
r55603
[6850.5]
[6850.5]
Mod indiv br enab
p55310 (3 )
+
+
r55075.01
Setp positive
r55075.02
Setp negative
[6805.5]
[6805.5]
&
&
+
+
Enable direction DC1 --> DC2
Enable
PWM 3
+
Control signal jumper 3
[6850.5]
+
+
+
r55251[1]
PU 2 3 ctrl_angle [%]
[6825.7] +
Decision
Direction
Mod f_sw op_mode
p55322
r55325
Modulator f_switch [Hz]
r50001
Seq_ctrl quad_dis
Mod opt step-dn/up
p55321
[9350.6]
pulse frequency from master
Siemens Parts