Commissioning (software)
5.3 Factory settings
Control Units CU240S
5-10 Operating Instructions, 11/2006, A5E00766042B AA
5.3 Factory settings
Factory default settings
The inverter system is shipped from the factory as a Control Unit and a Power Module. The
Control Unit has three or seven LEDs (depending on the type of Control Unit) on the front
panel which display the operating state of the inverter. For commissioning and operation the
control unit has to be fitted to the power module as shown in Chapter 4.
After a factory reset, the inverter can be operated without additional parameterization if the
inverter default settings (which depend on the inverter type and size) match the following
data of a 4-pole motor:
Default line supply frequency 50 Hz
Rated motor voltage P0304
Rated motor current P0305
Rated motor power P0307
Rated motor frequency P0310
Rated motor speed P0311
(A Siemens standard motor is recommended.)
Further, the following conditions must be fulfilled:
Control (ON/OFF command) using digital inputs (CU240S) See pre-assigned inputs below.
Asyncronous motor P0300 = 1
Self-cooled motor P0335 = 0
Motor overload factor P0640 = 150 %
Setpoint input using analog input 1 P1000 = 2
Min. frequency P1080 = 0 Hz
Max. frequency P1082 = 50 Hz
Ramp-up time P1120 = 10 s
Ramp-down time P1121 = 10 s
Linear V/f characteristic P1300 = 0
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