List of Parameters
Parameters
1-135
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
Description: Time taken for motor to decelerate from maximum motor frequency (P1082) down to standstill when no rounding is
used.
Notice: Setting the ramp-down time too short can cause the inverter to trip (overcurrent F0001 / overvoltage F0002).
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: Changes to P1121 will be immediately effective.
Description: 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.
Notice: P1124 does not have any impact when JOG mode is selected.
In this case, jog ramp times (P1060, P1061) will be used all the time.
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
Description: Defines rounding time in seconds at start of ramp-up.
Notice: Rounding times are recommended, since they prevent an abrupt response, thus avoiding detrimental effects on the
mechanics.
Rounding times are not recommended when analog inputs are used, since they would result in overshoot/under-
shoot in the inverter response.
Note: If short or zero ramp times (P1120, P1121 < P1130, P1131, P1132, P1133) are set, the total ramp up time (t_up) or
ramp down time (t_down) will not depend on P1130.
p1121[0...2] Ramp-down time / Ramp-down time
Access level: 1 P-Group: Setpoints Data type: Floating Point
Quick comm. YES Active: NO Data set: DDS
Can be changed: C, U, T
Min Max Factory setting
0.00 [s] 650.00 [s] 10.00 [s]
p1124[0...2] BI: Enable JOG ramp times / Enable JOG ramp
Access level: 3 P-Group: Commands Data type: Unsigned32
Quick comm. NO Active: NO Data set: CDS
Can be changed: T
Min Max Factory setting
- - 0
p1130[0...2] Ramp-up initial rounding time / Ramp-up ini. Trnd
Access level: 2 P-Group: Setpoints Data type: Floating Point
Quick comm. NO Active: NO Data set: DDS
Can be changed: U, T
Min Max Factory setting
0.00 [s] 40.00 [s] 0.00 [s]
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