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Foundation Fieldbus
Profibus-PA
Profibus-DP

 

 

 

 


Foundation Fieldbus Components     

Foundation Fieldbus is a communication protocol and physical method to interconnect smart devices such as temperature transmitters, pressure transmitters and valve actuators. The physical layer conforms to ISA SP50.02 and IEC 1158-2 standards for fieldbuses.

Fieldbus technology allows many smart devices to share one communication medium. The digital communication signal is superimposed onto a DC carrier. This reduces the amount of terminations to connect all the field devices to a host system and allows greater flexibility for future additions of I/O points.

A Foundation Fieldbus device is addressable and can store and transmit data. The devices can store values, track changes and use pre-set alarms to trigger. Based on pre-defined tag names host systems can read transmitter values such as temperature and pressure to set values of a valve actuator. Digital signal encoding is done using Manchester BiPhase-L and error checking is done with the CRC method. Foundation Fieldbus has two types of devices - A Basic Device (BD) which reads inputs, track values and set outputs if programmed to do so - A Link Active Scheduler (LAS) performs the same features as a BD and handles network communication timing between all the active devices on the network. More about Foundation Fieldbus from Foundation Fieldbus website.

 





Foundation Fieldbus Multibarrier
 




Foundation Fieldbus Displays
 


Foundation Fieldbus Cable
in bulk



Foundation Fieldbus I/O Stations
 


Foundation Fieldbus IP67
Junction Boxes


Foundation Fieldbus IP20
Junction Boxes


 

Foundation Fieldbus Bus Tees




Foundation Fieldbus 7/8" Cordsets
Cables (any length)
with Pre-Moulded Connectors

 


Foundation Fieldbus M12 Cordsets
Cables (any length)
with Pre-Moulded Connectors
 


Foundation Fieldbus
Field-Wireable Tees
 


Foundation Fieldbus 7/8" Bus
Connectors Field-wireable


Foundation Fieldbus M12 Bus Connectors Field-wireable


Foundation Fieldbus Terminating Resistors
 


Foundation Fieldbus Surge Suppressors
 


Foundation Fieldbus Gender Changers & Corners

Foundation Fieldbus
Power Supply Conditioner