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Advanced commissioning
6.7 Drive protection
Parameters
The parameters differ depending on the motor control mode.
Table 6-69
Number
p0210
p1280[D]
r1282
p1283[D]
p1284[D]
p1290[D]
p1291[D]
p1292[D]
p1294
Table 6-70
Number
p0210
p1240[D]
r1242
p1243[D]
p1250[D]
p1251[D]
p1252[D]
p1254
Further information is provided in the parameter list.
6.7.6
Monitoring the driven load
In many applications, the speed and the torque of the motor can be used to determine whether
the driven load is in an impermissible operating state. The use of an appropriate monitoring
function in the converter prevents failures and damage to the machine or plant.
Examples:
● For fans, an excessively low torque indicates a torn drive belt.
● For pumps, insufficient torque can indicate a leakage or dry-running.
● The motor can be blocked by an excessively high torque at a low speed.
310
Parameters for U/f control
Name
Device supply voltage
Vdc controller configuration (U/f)
Vdc_max controller, switch-on level (U/f)
Vdc_max controller, dynamic factor (U/f)
Vdc_max controller, time threshold (U/f)
Vdc controller proportional gain (U/f)
Vdc controller integral time (U/f)
Vdc controller derivative-action time (U/f)
Vdc_max controller ON level for automatic detection (U/f)
Parameters for vector control
Name
Device supply voltage
Vdc controller configuration (vector control)
Vdc_max controller, switch-on level
Vdc_max controller, dynamic factor
Vdc controller proportional gain
Vdc controller integral time
Vdc controller derivative-action time
Vdc_max controller ON level for automatic detection
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
Factory setting
400 V
1
- V
100%
4 s
1
40 ms
10 ms
0
Factory setting
400 V
1
- V
100%
1
0 ms
0 ms
0
SINAMICS G120XA converter
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