SINAMICS G130/G150
List Manual (LH2), 07/2016, A5E03263479A
1599
4 Faults and alarms
4.2 List of faults and alarms
F07822 (N) Monitoring underspeed threshold fallen below fault
Message value: -
Message class: Application/technological function faulted (17)
Drive object: VECTOR_G
Component: Control Unit (CU) Propagation: GLOBAL
Reaction: OFF2 (NONE, OFF1)
Acknowledge: IMMEDIATELY
Cause: The fault threshold for the lower speed was fallen below.
Note:
- the monitoring is activated using p2149.6 = 1.
- status bit r2199.0 = 1 indicates that the value has been fallen below.
- the fault is only output if the machine is excited (r0056.4 = 1).
- for a separately excited synchronous motor in closed-loop torque control without an encoder (p1300 = 20, p1501 =
1 signal), the monitoring for an underspeed condition is automatically activated internally.
See also: p2149 (Monitoring configuration), p2150 (Hysteresis speed 3), p2161 (Speed threshold 3), r2199 (Status
word monitoring 3)
Remedy: - check the parameterization (p2161, p2150).
- if required, reduce the load.
- switch-on additional unit for generator applications.
Reaction upon N: NONE
Acknowl. upon N: NONE
A07823 I2t monitoring alarm threshold exceeded
Message value: -
Message class: Application/technological function faulted (17)
Drive object: VECTOR_G
Component: Control Unit (CU) Propagation: GLOBAL
Reaction: NONE
Acknowledge: NONE
Cause: For the freely parameterizable I2t monitoring, the alarm threshold (p3243) was exceeded.
Note:
Status bit r2199.13 = 1 indicates that the value is exceeded.
See also: p3240 (I2t input value signal source), p3241 (Permissible I2t continuous value), p3242 (I2t maximum
duration), p3243 (I2t alarm thresh), r3244 (Actual I2t integrator value)
Remedy: - check the received input value (p3240).
- if required, reduce the load.
- check the parameterization (p3241, p3242, p3243).
Note:
The alarm and status bit r2199.13 are reset if the I2t integrator value (r3244) falls below half of the value set in p3243.
F07824 I2t monitoring fault threshold exceeded
Message value: -
Message class: Application/technological function faulted (17)
Drive object: VECTOR_G
Component: Control Unit (CU) Propagation: GLOBAL
Reaction: NONE (OFF1)
Acknowledge: IMMEDIATELY
Cause: For the freely parameterizable I2t monitoring, the fault threshold (100 %) was exceeded.
Note:
Status bit r2199.14 = 1 indicates that the value is exceeded.
See also: p3240 (I2t input value signal source), p3241 (Permissible I2t continuous value), p3242 (I2t maximum
duration), p3243 (I2t alarm thresh), r3244 (Actual I2t integrator value)
Remedy: - check the received input value (p3240).
- if required, reduce the load.
- check the parameterization (p3241, p3242, p3243).
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