110  FSM4000 ELECTROMAGNETIC FLOWMETER |  OI/FSM4000-EN REV. E   
 
… 8  Operation 
… S4 operation with older sensor 
 
Danger due to electric current! 
When the housing is open, EMC protection is impaired and 
there is no longer any protection against accidental contact. 
•  Power to all connection leads must be switched off. 
 
Adapting the transmitter to the sensor 10D1422 (DN 3 to 1000), 
10DI1425 (≥ DN 500): 
1.  Switch off the power supply. After waiting 40 minutes, 
remove the housing cover from the field housing unit. 
2.  Remove the shock protection cover 
1 by loosening the 3 2 
screws.  
 
 
  Shock protection cover 
  Fixing screw cover 
Figure 62:  Screwing on the shock protection cover 
 
3.  Then close switch S903 
1 . 
 
 
  Switch S903 
Figure 63:  Close switch S903