Siemens TV Converter Box G120 Manuel D’Utilisation

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Automation and Drives - SCE 
 
 
 
 
T I A  Training Document
 
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 Module  
 
     H01 
Issued: 02/2008 
  Frequency Converter SINAMICS G120 on PROFIBUS DP and PROFINET 
Preface         Notes         Startup with PROFIBUS         Startup with PROFINET         Program Example 
6.1.3 
The Main Setpoint (HSW) 
 
 
 
The main setpoint is a 16 bit word that transmits the required frequency setpoint to the converter.   
The setpoint is transmitted as a signed integer (-32768 to 32767). The value 16384 (4000 hex) 
corresponds to +100%.  
 
By means of the parameter P1082,  the value 100% is normalized to a plant frequency.  In this 
parameter, the frequency value is entered to which a setpoint of 100% is to correspond over the 
serial interface.   
 
The output frequency is calculated as follows: 
 
f = (HSW x P1082)/16384 
 
 
6.1.4 
The Main Actual Value (HIW) 
 
 
 
The main actual value is a 16 bit word that transmits the converter’s actual frequency output. The 
normalization of this value corresponds to that of the setpoint. 
 
 
 Bit No. 
   Bit No.