
Functions
7.9 Application-specific functions
Inverter with CU240B-2 and CU240E-2 Control Units
212 Operating Instructions, 01/2011, FW 4.4, A5E02299792B AB
Table 7- 46 Parameterizing the monitoring functions
Parameter Description
No-load monitoring
P2179 Current limit for no-load detection
If the converter current is below this value, the message "no load" is output.
P2180 Delay time for the "no load" message
Blocking protection
P2177 Delay time for the "motor locked" message
Stall protection
P2178 Delay time for the "motor stalled" message
P1745 Deviation of the setpoint from the actual value of the motor flux as of which the "motor
stalled" message is generated
This parameter is only evaluated as part of encoderless vector control.
Speed-dependent torque monitoring
P2181 Load monitoring, response
Setting the response when evaluating the load monitoring.
0: Load monitoring disabled
>0: Load monitoring enabled
P2182 Load monitoring, speed threshold 1
P2183 Load monitoring, speed threshold 2
P2184 Load monitoring, speed threshold 3
P2185 Load monitoring torque threshold 1, upper
P2186 Load monitoring torque threshold 1, lower
P2187 Load monitoring torque threshold 2, upper
P2188 Load monitoring torque threshold 2, lower
P2189 Load monitoring torque threshold 3, upper
P2190 Load monitoring torque threshold 3, lower
P2192 Load monitoring, delay time
Delay time for the message "Leave torque monitoring tolerance band"
For more information about these functions, see the List Manual (function diagram 8013 and
the parameter list).
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