Installation, connecting up, commissioning   
3.1 Important notes on using the device 
  IE/PB LINK PN IO 
34  Operating Instructions, 11/2017, C79000-G8976-C393-02 
 
Notes on use in hazardous areas according to FM 
 
EXPLOSION HAZARD 
You may only connect or disconnect cables carrying electricity when the power supply is 
switched off or when the device is in an area without inflammable gas concentrations. 
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-
hazardous locations only. 
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations 
only. 
 
 
The equipment is intended to be installed within an ultimate enclosure. The inner service 
temperature of the enclosure corresponds to the ambient temperature of the module. Use 
installation wiring connections with admitted maximum operating temperature of at least 
30 ºC higher than maximum ambient temperature.