Equipotential bonding schematic connecting field devices across non-hazardous and hazardous areas with a Profibus DP network. A field barrier is required when routing signals into the hazardous area. Grounding connections tie the PLC or SST Profibus card and field devices to a common earth ground.
T PROFIBUS DP T FIELD BARRIER (REQUIRED IF ROUTING INTO A HAZARDOUS AREA) T T EQUIPOTENTIAL BONDING EX(HAZ.) AREA NON-EX AREA PLC/SST PROFIBUS CARD FIELD DEVICE FIELD DEVICE FIELD DEVICE PA FIELD J-BOX
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