Products Description
ABB MPRC086444‑005 Direct Fiber Optic Communication Module

Technical Specifications
Model: MPRC086444‑005
Brand: ABB
Product Type: Direct fiber‑optic communication module
Matching System: ABB S800 I/O station, AC800M DCS control system
Power Supply: Rack backplane DC power supply
Optical Interface: LC fiber connector, single‑mode fiber support
Transmission Rate: Up to 1Gbps
Installation Method: Rack plug‑in card installation
Operating Temperature: ‑20℃ ~ +60℃, non‑condensing
Protection Class: IP20
Weight: 0.38kg
Dimension: 395mm ×130mm ×25mm
Compatible System: Thermal power plant, petrochemical process distributed control system
Core Function: Realize long‑distance high‑speed optical fiber data transmission for S800 I/O station, isolate electromagnetic interference between controller and remote I/O unit, ensure stable and reliable field communication link.

Product Details
The MPRC086444‑005 is direct fiber‑optic communication module for ABB S800 I/O and AC800M DCS system.
This module adopts optical fiber transmission architecture, effectively avoids electromagnetic interference in complex industrial sites, and realizes long‑distance communication between DCS controller and remote S800 I/O stations. It uses LC optical interface and supports single‑mode fiber, delivering high‑speed and low‑delay data transmission performance.
It undertakes signal conversion between electrical signal and optical signal, expands optical communication capability for S800 I/O rack, supports system communication redundancy configuration to improve whole‑system reliability.
On‑board hardware diagnosis function can detect fiber breakage, communication abnormality and module hardware fault, and output corresponding alarm prompt.
Conformal coated circuit board adapts to harsh industrial environment, improves moisture‑proof and dust‑proof performance.
Standard rack plug‑in structure supports convenient on‑site maintenance and replacement.
Widely applied in thermal power, petrochemical industry DCS transformation and overhaul projects.
It is important spare hardware for DCS communication loop debugging and defective MPRC086444‑005 module replacement.