Siemens 411 Benutzerhandbuch

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2  Installation 
Issue 03/01 
 
MICROMASTER 411 & COMBIMASTER 411    Operating Instructions  
38 
6SE6400-5CA00-0BP0  
 
2.5.4 
Motor PTC Connections 
In order for the inverter to monitor the motor PTC (if fitted) it will be necessary to 
connect the Motor PTC to the Inverter Digital input 3 (DIN3) terminal. 
Connect the Motor PTC extension cable (provided with the Inverter) between the 
Inverter I/O terminals 3 & 4 and the Motor PTC terminals within the motor terminal 
housing. The arrangement is as shown in.Figure 2-12). 
NOTE 
DIN 3 must be configured to read the PTC input [(P0703 = 29) (external trip)] 
 
PTC Resistor connects between
terminals 4 (+24 V) and 3 (DIN 3).
 
Figure 2-12  PTC Connections