The ABB FI 820F, also cataloged under manufacturing part number 3BDH000031R1, operates as a dedicated hardware component for fieldbus protocol processing and network expansion when paired with PM 802F or PM 803F central processing units within Freelance control system architectures.
Hardware Specifications
Parameter
Specification
Model
FI 820F
Part Number
3BDH000031R1
Brand
ABB (Freelance Platform)
Origin
Malta
Product Type
Communication_Module
Processor Compatibility
PM 802F / PM 803F Controllers
Product Net Width
28 mm
Product Net Height
155 mm
Product Net Depth / Length
125 mm
Environmental Compliance
Not RoHS compliant / No SVHC present
Net Module Weight
0.145 kg (0.31 lbs)
Industrial Control and Drives Backplane Communication Velocity
The FI 820F expands the network reach of the master Freelance controller, converting internal CPU instructions into localized fieldbus frames. To handle rapid process loops across distributed networks, the module interfaces with the primary processor at maximum backplane bus communication velocity, eliminating serialization bottlenecks. This optimized bus performance enables dense I/O density scaling options across the field level without increasing the processing cycle time of the PM 802F or PM 803F master unit. The module hardware maintains full firmware flash compatibility, allowing network protocol revisions and driver modifications to be updated directly over the system bus while keeping diagnostic structures synchronized.
