Samson 3730-4 - Operating Modes

EB 8384-4 EN 57
Connections
PROFIBUS-DP(E) RS 485
3730-40
3730-40
3730-40
3730-40
PROFIBUS-PA IEC 61158-2
PROFIBUS-DP RS 485
3730-41
3730-41
3730-41
3730-41
PROFIBUS-PA IEC 61158-2
PROFIBUS-DP(E) RS 485
PROFIBUS-DP RS 485
Controller/PLC/control system
Bus termination
Segment coupler
Display and operating
elements
PROFIBUS-DP(E) RS 485
3730-40
3730-40
3730-40
3730-40
PROFIBUS-PA IEC 61158-2
PROFIBUS-DP RS 485
3730-41
3730-41
3730-41
3730-41
PROFIBUS-PA IEC 61158-2
PROFIBUS-DP(E) RS 485
PROFIBUS-DP RS 485
Controller/PLC/control system
Display and operating
elements
Explosion-protected segment coupler
Bus termination
Hazard-
ous area
Fig.21: Connection according to PROFIBUS, for safe areas (top) and for hazardous areas (bottom)