Parameters
List of Parameters
1-232
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
Description: Delay time load missing
Notice: If a motor setpoint cannot be entered and the current limit (P2179) is not exceeded, alarm A0922 (no load applied)
is issued when delay time (P2180) expires.
Note: It may be that the motor is not connected (load missing) or a phase could be missing.
See diagram in P2179 (current limit for no load identification).
Description: Sets belt failure detection mode.
This function allows detection of mechanical failure of the drive train, e.g. a broken drive belt.
It can also detect conditions which cause an overload, such as a jam. Parameters P2182-2190 are set to default
when this parameter is changed from 0.
This is achieved by comparing the actual frequency/torque curve with a programmed envelope (see P2182 -
P2190).
If the curve falls outside the envelope, a warning or trip is generated.
Values: 0: Belt failure detection disabled
1: Warning: Low torque / speed
2: Warning: High torque / speed
3: Warning: High / low torque / speed
4: Trip: Low torque / speed
5: Trip: High torque / speed
6: Trip: High / low torque / speed
Description: Sets a frequency threshold 1 for comparing actual torque to torque the envelope for belt failure detection.
The frequency torque envelope is defined by 9 parameters - 3 are frequency parameters (P2182 - P2184), and the
other 6 define the low and high torque limits (P2185 - P2190) for each frequency (see diagram below).
p2180 Delay time for load missing / Load missing delay
Access level: 3 P-Group: Messages Data type: Unsigned16
Quick comm. NO Active: YES Data set: -
Can be changed: U, T
Min Max Factory setting
0 [ms] 10000 [ms] 2000 [ms]
p2181[0...2] Belt failure detection mode / Belt fail detect
Access level: 2 P-Group: Messages Data type: Unsigned16
Quick comm. NO Active: NO Data set: DDS
Can be changed: T
Min Max Factory setting
0 6 0
p2182[0...2] Belt threshold frequency 1 / Belt threshold f_1
Access level: 3 P-Group: Messages Data type: Floating Point
Quick comm. NO Active: YES Data set: DDS
Can be changed: U, T
Min Max Factory setting
0.00 [Hz] 650.00 [Hz] 5.00 [Hz]
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