Siemens CU240S DP Operations Instructions download pdf (Page 72)

Commissioning (software)

2.7 Commissioning modes

Control Units CU240S

2-52 Operating Instructions (Compact), 04/2006, A5E00766042B AA

2.7.10 Reset parameters to factory settings

Overview

With a factory setting a defined initial state of all of the inverter parameters can be realized.

You can re-establish the initial state by carrying-out a factory via p0970. The factory setting

values are designated as "Def" in the parameter list.

After a factory reset, the inverters have the following basic settings:

CUs with RS485 interface (no PROFIBUS interface)

• Control using the digital inputs

– ON/OFF using DI0

– Direction of rotation reversal using DI1

– Fault acknowledgement using DI2.

• Setpoint input using analog input 1

• Signal output using the digital outputs

– Fault active using DO0

– Warning active using DO1.

• Actual frequency using the analog output

• The basic V/f characteristic is the control mode (P1300 = 0)

• Asynchronous motor (P0300 = 1).

CUs with PROFIBUS interface

• For the PROFIBUS variants the command source and setpoint source will be set to

PROFIBUS communication.

• The basic V/f characteristic is the control mode (P1300 = 0)

• Asynchronous motor (P0300 = 1).

Note

When resetting the parameters to the factory setting, the communications memory is re-

initialized. This means that communications are interrupted for the time it takes to perform

the reset.

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Siemens CU240S DP Operations Instructions Page 72