Vdc Control - Siemens SINAMICS S120 Function Manual

● r1407.8 Upper torque limit active
● r1407.9 Lower torque limit active
Function diagrams (see SINAMICS S List Manual)
● 6060 Torque setpoint
● 6630 Upper/lower torque limit
● 6640 Current/power/torque limits
4.9

Vdc control

Description
Vdc_max
Vdc_max on_level
r1242
–
Vdc_act
r0070
+
Vdc_min on_level
r1246
Vdc_act +
r0070
–
Vdc_min
Figure 4-13 Vdc control vector
Drive Functions
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
setpoint is limited in the Motor Module, this is indicated via the following diagnostic
parameters:
indicated.
Vdc_ctrl Kp
p1250
Vdc_ctrl config
p1240
1,3
0
0
0,2,4,5,6
Vdc_max dyn_factor
Vdc_ctrl Kp
p1250
Vdc_ctrl config
p1240
0
2,3
0
0,1,4,5,6
Vdc_min dyn_factor
Vdc_ctrl Tn
p1251
Vdc_ctrl t_deriv.
p1252
p1243
0
Vdc_ctrl Tn
p1251
Vdc_ctrl t_
Lead
p1252
p1247
0
1
0
Vdc_ctrl_output
r1258
0
Control ZSW 1
1
0
Vector control
4.9 Vdc control
Control ZSW 1
r0056
r0056.14
Iq_set
Limit
r0056
r0056.15
133