Functions
7.9 Application-specific functions
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
240
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
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Set the parameters of the automatic restart function.
The method of operation of the parameters is explained in the following diagram and in
the table.
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1
The inverter automatically acknowledges faults under the following conditions:
•
p1210 = 1 or 26: always.
•
p1210 = 4 or 6: If the command to switch on the motor is available at a digital input or via the
fieldbus (ON/OFF1 command = HIGH).
•
p1210 = 14 or 16: never.
2
The inverter attempts to automatically switch-on the motor under the following conditions:
•
p1210 = 1: never.
•
p1210 = 4, 6, 14, 16, or 26: If the command to switch on the motor is available at a digital input
or via the fieldbus (ON/OFF1 command = HIGH).
3
The start attempt is successful if flying restart has been completed and the motor has been
magnetized (r0056.4 = 1) and one additional second has expired without a new fault having
occurred.
Figure 7-17 Time response of the automatic restart
Summary of Contents for SINAMICS G120 CU230P-2
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