ABB UFC911B108 3BHE037864R0108 High‑Speed Serial Communication Interface Board

Description

Hardware & Electrical Specifications

• Model：UFC911B108
• Part Number：3BHE037864R0108
• Module Type：High‑Speed Serial Communication Interface Board
• Bus Interface：Internal high‑speed back‑plane connector for main‑processor interaction
• External Interface：High‑speed serial optical / electrical communication ports
• Power supply：24 V DC (18‑32 V DC)
• Max power consumption：11 W
• Galvanic isolation：≥2000 V AC between external communication side and control‑logic side
• Dielectric strength：2000 V AC 1 minute
• Insulation resistance：＞100 MΩ @ 500 V DC
• On‑board protection：ESD protection, port surge suppression, communication watchdog, hardware link‑loss detection, conformal coated PCB
• Compatibility note：Cannot run standalone; must match UNITROL6000 system firmware and PPC‑series main‑processor hardware. Cross‑revision replacement with UFC911B101 / B104 / B106 requires hardware‑firmware compatibility verification.

Environmental Specifications

• Operating temperature：‑10 ℃ ~ +60 ℃
• Storage temperature：‑40 ℃ ~ +85 ℃
• Relative humidity：5%‑95% non‑condensing
• Installation location：Inside excitation / converter cabinet rack
• EMC compliance：IEC 61000‑6‑2
• Certifications：CE

Mechanical Data

• Installation：Plug‑in rack‑mount board
• Interfaces：Internal back‑plane bus connector; front‑panel high‑speed serial communication ports
• Recommended wire cross‑section：0.75 mm²‑2.5 mm² copper cable for signal terminals
• Terminal tightening torque：0.6‑1.0 N·m
• Weight：approx 0.74 kg
• Dimension：Standard Euro‑card for AC800‑PEC rack

Main Functions

1. Dedicated high‑speed serial communication processing, real‑time bidirectional data exchange between main controller and other functional units.
2. Transmit trigger timing‑sequence data, analog sampling data, safety interlock status and fault information between boards.
3. Communication link fault diagnosis: detect link break, frame error, signal loss and transmission abnormality, report fault codes to main CPU.
4. Hardware data buffer, guarantee real‑time performance for power‑electronic control loop.
5. Complete board self‑diagnosis for power supply, communication chip and back‑plane link; upload hardware alarm to UNITROL6000 system.
6. LED status indication:
   • Green LED：Power supply normal, board logic healthy
   • Yellow LED：Serial communication active, data transferring
   • Red LED：Communication‑link fault / board hardware fault

Installation & Wiring Requirements

1. Cut off cabinet total power before installation or replacement. Insert UFC911B108 into assigned rack slot and tighten mounting screws. Hot‑swap is strictly forbidden.
2. Connect high‑speed serial cables or optical fibers to front‑panel ports; properly ground shield layer of electrical cables to reduce electromagnetic interference.
3. Cabinet protective grounding shall follow ABB AC800‑PEC / UNITROL6000 grounding specification.
4. After replacement, confirm firmware compatibility with main processor, download project parameters, perform communication link test and signal verification before commissioning.
5. Replacement note: Verify hardware variant compatibility before cross‑revision substitution.