Siemens SINAMICS V20 Series Operating Instructions Manual page 167

Parameter Function
P1113[0...2] BI: Reverse
Defines source of reverse command used when P0719 = 0 (Auto selection of command / setpoint source).
r1114 CO: Freq. setpoint after
direction control [Hz]
Displays setpoint frequency after change of direction.
r1119 CO: Freq. setpoint
before RFG [Hz]
Displays frequency setpoint at the input to the ramp function generator after modification by other
functions, e.g.:
P1110 BI: Inhibit neg. freq. setpoint,
•
P1091 - P1094 skip frequencies,
•
P1080 min. frequency,
•
P1082 max. frequency,
•
This value is available filtered (r0020) and unfiltered (r1119).
P1120[0...2] Ramp-up time [s]
Time taken for motor to accelerate from standstill up to maximum motor frequency (P1082) when no
rounding is used. Setting the ramp-up time too short can cause the inverter to trip (overcurrent F1).
Dependency: Rounding times (P1130 - P1133) and rounding type (P1134) will also have influence on the ramp.
See also P3350, P3353.
Notice: Ramp times will be used as follows:
P1060 / P1061 : JOG mode is active
•
P1120 / P1121 : Normal mode (ON / OFF) is active
•
P1060 / P1061 : Normal mode (ON / OFF) and P1124 is active
•
Note: If an external frequency setpoint with set ramp rates is used (e.g. from a PLC), the best way to achieve
optimum inverter performance is to set ramp times in P1120 and P1121 slightly shorter than those of the
PLC. Changes to P1120 will be immediately effective. If the SuperTorque function is enabled, the inverter
will initially ramp using the value in P3353.
P1121[0...2] Ramp-down time [s]
Time taken for motor to decelerate from maximum motor frequency (P1082) down to standstill when no
rounding is used.
Dependency: See also P3350, P3353.
Notice: Setting the ramp-down time too short can cause the inverter to trip (overcurrent F1 / overvoltage F2).
See P1120
Note: Changes to P1121 will be immediately effective.
See P1120
P1124[0...2] BI: Enable JOG ramp
times
Defines source for switching between jog ramp times (P1060, P1061) and normal ramp times (P1120,
P1121) as applied to the RFG. This parameter is valid for normal mode (ON / OFF) only.
Dependency: See also P1175.
SINAMICS V20 Inverter
Operating Instructions, 07/2012, A5E03728167
Range Factory
default
- 19.11
- -
- -
0.00 - 10.00
650.00
0.00 - 10.00
650.00
- 0
Can be Scaling
changed
T -
- -
- -
C(1), U, T -
C(1), U, T -
T -
Parameter list
7.2 Parameter list
Data Data Acc.
set type Level
CDS U32 / 3
Bin
- Float 3
- Float 3
DDS Float 1
DDS Float 1
CDS U32 / 3
Bin
167