Features:
- Eight short-circuit-proof spurs distribute one process-fieldbus main line to connected instruments.
- Automatic bus termination supports line and ring topologies without a separate external terminator.
- Main-line, spur, and termination indicators separate fieldbus faults at the installation point.
The distributor carries either PROFIBUS PA or FOUNDATION Fieldbus H1 while maintaining a uniform 31.25 kbit/s fieldbus path.
Branch current limiting and chatter suppression keep an unstable instrument connection from repeatedly disturbing the common segment.
Two main-line entries and eight field exits place the topology junction, termination logic, and local indication in one sealed assembly.
The Siemens 6ES7157-0AG82-0XA0 AFD8 Active Field Distributor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7157-0AG82-0XA0 AFD8 Active Field Distributor Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Protected Field-Device Branches
- Eight outputs: Separate screw-terminal spurs connect as many as eight field devices to the shared segment.
- Fault containment: Current limiting prevents one branch short circuit from becoming a direct fault across the remaining spurs.
- Chatter control: Suppression logic stops a recurring branch fault from repeatedly reconnecting to the fieldbus.
- Cable boundary: Each M16 entry accepts the documented cable and conductor ranges before termination inside the enclosure.
Main-Line Topology Handling
- Pass-through path: Two main-line terminal groups carry the process fieldbus into and onward from the distributor.
- Line topology: The automatic terminator closes the bus when the distributor is located at the end of a line.
- Ring topology: Termination changes with the intact or interrupted state of the two-sided ring connection.
- Shared protocols: The same wiring structure carries PROFIBUS PA or FOUNDATION Fieldbus H1 at 31.25 kbit/s.
Local Status and Fault Indication
- Trunk state: Dedicated indicators show main-line activity and a detected main-line failure.
- Branch state: Spur indicators identify the status or fault condition of the individual field connections.
- Termination state: A separate indication confirms the automatic bus-termination function.
- Service focus: The indicator grouping helps isolate a trunk, branch, or termination issue at the field distributor.
Outdoor-Style Installation Boundary
- Enclosure: The IP66 assembly protects the internal distribution electronics from dust and powerful water jets.
- Temperature: Operation is specified from -40 to +70 °C for exposed process-area conditions.
- Humidity: The documented operating limit reaches 95% relative humidity.
- Terminal access: Main-line and spur wiring terminate inside the common sealed field housing.