Omega fmg90 User Manual

 

 

 
The electrical connection of the FMG90 is via the 4-pin plug M12x1 at the top.  
The corresponding connection cables with moulded coupling socket are available in various 
lengths. 
 
 

 

The electrical connection should only be carried out by a fully qualified electrician. 
ª

 De-energize the electrical system before connecting the FMG90. 

 

 

Connection and wiring: 
ª

  Screw the coupling socket of the connection cable to the plug of the FMG90. 

ª

  Tighten the knurled nut of the coupling socket with a maximum torque of 1 Nm. 

ª

  Connect the connection cables according to the following wiring diagrams.  

Pin assignment: 

 

 

Pin 1:  +U

B

 

Pin 3:  GND 
Pin 2 / 4: Frequency output NPN/PNP 

Pin configuration with  
NPN frequency output: 

 
PNP frequency output: 

 

 

 
 

Pull-up- / pull-down-resistors R. 

 

We recommend using resistors of ~1 kΩ (12V) respectively ~2,2 kΩ (24V) and 0.25 W for 
the pull-up / pull-down wiring. 
Please note that the maximum signal current of 25 mA will not be exceeded.