Connecting
5.3 Wiring setups for hazardous area installations
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 01/2014, A5E32221386-AB
29
5.3.1
PLC configuration with PROFIBUS PA for hazardous areas
①
PLC (active)
②
PC/laptop
③
EEx ia type DP/PA coupler
④
EEx ia device