ABB CSA463AE HIEE400103R0001 Serial Communication Interface Board

Description

Hardware and Performance Specifications Auxiliary supply: Powered by VME rack back‑plane Power consumption: ≤10 W Communication interfaces: 2‑channel galvanic‑isolated RS485/RS422 serial ports Supported protocols: Modbus‑RTU master/slave, custom serial protocols Baud rate: 300‑115200 bps software configurable Isolation voltage: Reinforced galvanic isolation between field‑side and system‑bus circuit Mounting mode: VME subrack plug‑in PCB for UNITROL excitation cabinet Protection class: IP20 Operating temperature: ‑25 ℃ ~ +70 ℃ Storage temperature: ‑40 ℃ ~ +85 ℃ Humidity: 5‑95 %RH non‑condensing EMC compliance: Comply with IEC 61000‑4 series industrial electromagnetic‑compatibility standards Dimension & weight: approx. 340 × 230 × 30 mm, weight approx. 0.91 kg Certifications: CE approval

Main Functions Expand serial communication interfaces for UNITROL excitation controller. Complete bidirectional data interaction between excitation system and upper‑level DCS/monitoring system via Modbus‑RTU protocol. Transmit real‑time operating parameters, alarm events, disturbance‑recording data; receive remote control commands from external system. Two independent serial channels, can connect two sets of external devices at the same time. Front‑panel LED indicators display power‑on status, channel sending/receiving status and hardware‑fault alarm codes for on‑site inspection. Hardware self‑diagnosis detects serial‑channel abnormality and internal circuit faults, upload fault‑alarm information to excitation main controller. Parameter configuration, protocol setting and diagnosis are completed by ABB excitation engineering software.

Installation Requirement Plug‑in installation inside UNITROL excitation VME subrack. High‑power power cables and weak‑signal serial communication wiring shall be strictly separated. Ensure reliable cabinet protective grounding. After board replacement, confirm full part‑number CSA463AE / HIEE400103R0001 matches original project configuration, download complete excitation‑configuration file. Perform serial‑port wiring check, baud‑rate and protocol parameter matching test, complete point‑to‑point data‑interaction verification with external equipment. Different hardware revisions cannot be directly interchanged without firmware and configuration adaptation. Do not put into service until no hardware self‑diagnosis fault alarm exists.

Typical Application Scenarios Serial‑communication‑interface spare‑part for ABB UNITROL series static excitation‑systems of large‑capacity synchronous generators in thermal‑power plants, hydropower plants and heavy‑industrial captive‑power‑stations; used for excitation‑system communication‑link maintenance and spare‑part replacement.

Key Features

1. Dual‑channel isolated serial communication board for UNITROL excitation system, support Modbus‑RTU master‑slave mode.
2. Reinforced galvanic‑isolation serial ports, effectively suppress ground‑loop interference under strong‑electromagnetic‑interference power‑plant site.
3. VME bus plug‑in structure, convenient for on‑site replacement and maintenance.
4. Independent channel‑status LED indication, easy for commissioning and fault‑location.
5. Strict full‑part‑number matching shall be observed during spare‑part replacement; cannot be substituted by other communication boards without adaptation.