+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
Product Overview
ABB LTC743CE 3BHE013299R0002 is a high-performance line terminal card and communication interface module from ABB Group, part of the trusted LTC series industrial control components.
It occupies a key position in ABB’s modular control architecture, built specifically for signal processing, data communication, and control logic integration in power electronics and control systems. Acting as a critical interface unit, this module connects the drive’s main controller with peripheral modules, sensors, and actuators. It coordinates protection actions, transmits real‑time signals, and executes control logic, forming a stable and dependable bridge between the power electronics layer and the upper supervision layer of modern automation systems.
Even in complex industrial environments, the ABB LTC743CE 3BHE013299R0002 delivers strong system integration and consistent communication reliability.
Using advanced circuit design and industrial‑grade components, the module offers excellent noise immunity and electrical isolation, allowing it to run steadily in challenging power system conditions. It supports widely used industrial protocols including Modbus RTU and optional Profibus DP‑V1, enabling smooth integration with ABB 800xA or Symphony DCS environments.
Its modular structure supports flexible system expansion and simplified maintenance, making it a reliable technical foundation for mission‑critical applications such as generator excitation systems, large industrial drives, and high‑voltage direct current transmission projects.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | LTC743CE 3BHE013299R0002 |
| Manufacturer | ABB Group |
| Product Type | Line Terminal Card / Communication Interface Module |
| Power Requirements | 24 V DC (±15%), typical 120 mA |
| Operating Temperature | -20°C to +60°C (derated above 55°C) |
| Storage Temperature | -40°C to +85°C |
| Signal Input Types | Dual Pt100 (2/3/4‑wire) or J/K thermocouples (cold‑junction compensated) |
| Signal Output Type | Isolated 4–20 mA (max. 600 Ω load), SIL 2 certified |
| Communication Interfaces | RS‑485 (Modbus RTU), optional Profibus DP‑V1 (via 3BHE013299R0003 module) |
| Physical Dimensions | 125 mm × 110 mm × 120 mm (H×W×D) |
| Weight | Approximately 680 grams |
| Installation Method | DIN rail (TS35/7.5 or TS35/15), vertical mounting recommended |
| Protection Rating | IP20 (cabinet mounting) |
| Certification Standards | CE, cULus, IECEx, ATEX (depending on application configuration) |
| Functional Safety | SIL 2 compliant with IEC 61508 standards |
| Event Logging | Internal memory up to 500 event records |
Main Features and Advantages
The real strength of the ABB LTC743CE 3BHE013299R0002 lies in its precise signal processing and adaptable system integration.
It features a dual‑redundant temperature input design, able to accept two independent RTD or thermocouple signals at the same time. Users can configure voting logic — high select, low select, or best select — and the module automatically switches during fault conditions, keeping critical process loops highly available.
The module provides fail‑safe analog outputs with SIL 2 certification, including hardware current limiting and open‑circuit detection, offering dependable protection for safety‑related applications.
Built for industrial durability, the module uses rugged components and a sturdy mechanical structure. It operates reliably from -20°C to +60°C, performing consistently even in harsh environments.
It includes full loop integrity monitoring: real‑time diagnostics for sensor health, wiring resistance, and output status, with up to 500 event records stored internally. This makes preventive maintenance and fault analysis far more efficient. Its compact form and DIN‑rail mounting also simplify integration, saving panel space and reducing installation time.
The module supports intelligent control functions: PID with anti‑windup, on/off control, and manual output override. All functions can be accessed and configured via the front panel or ABB Control Builder software (v6.0 and above).
The built‑in local HMI includes a 4‑button keypad and 2‑line LCD, allowing basic commissioning and alarm acknowledgment without a laptop, greatly improving on‑site convenience. The module is fully supported by ABB’s global service network, ensuring long‑term firmware updates, spare parts availability, and complete lifecycle support for users.
Application Areas
ABB LTC743CE 3BHE013299R0002 brings clear value across power, energy, and industrial automation.
In power plants, it is widely used in generator excitation systems, precisely regulating voltage and reactive power for large generators and supporting stable grid operation. Its high‑reliability design makes it ideal for critical process loops — such as temperature control in polymerization reactors and sterilization cycle monitoring in biopharmaceuticals — where temperature stability directly affects yield and safety.
In HVDC transmission systems, the module acts as a communication interface, managing power flow and stability over long distances. It also plays an important role in flexible AC transmission equipment, including reactive power compensation control in STATCOMs and SVCs, improving transmission capacity and grid stability.
For large industrial drives, it coordinates complex motor control schemes, including interface integration with ACS 800/1000 series drives, enabling accurate speed and torque regulation.
In process industries — petrochemical, chemical, and pharmaceutical — the module manages reactor temperature, distillation column regulation, and heat transfer oil loops, maintaining process stability and consistent product quality. In semiconductor manufacturing, it controls cleanroom HVAC systems to meet strict environmental requirements.
For retrofit projects, it often replaces older temperature controllers such as Moore 353 or Honeywell UDC2500, bringing modern diagnostics and DIN‑rail compatibility without the need to rewrite complex ladder logic.
Related Products
LTC743CE 3BHE013299R0001: Standard temperature‑range power module for general industrial environments.
LTC744CE 3BHE013300R0001: High‑current module with up to 8A continuous output, designed for heavily loaded ACS800 drives.
LTC742CE 3BHE013298R0001: Low‑current 3A module for smaller ACS600 drives and light‑duty applications.
LTC743CE 3BHE013299R0003: ATEX Zone 2 certified explosion‑proof version for refineries and chemical plants.
LTC745CE 3BHE013301R0001: Dual‑output module providing 24VDC/5A and 12VDC/2A for multi‑voltage drive systems.
LTC743CE 3BHE013299R0004: Updated version with additional LED indicators for easier real‑time fault diagnosis.
LTC743DE 3BHE013299R0005: DC‑input model supporting 24–48VDC, suitable for battery or mobile systems.
CI871: PROFINET interface module that expands communication capabilities when paired with LTC743CE.
PM865: Redundant controller pair for high‑availability support in critical applications.
SD831: SIL 3 certified digital input module for safety instrumented system integration.
Installation and Maintenance
Pre‑installation Preparation
Before installing the ABB LTC743CE 3BHE013299R0002, verify that the cabinet environment meets IP20 protection requirements: clean, dry, and free of conductive dust. Prepare appropriate DIN‑rail mounting and wiring tools, and confirm the 24V DC power supply is stable and correctly polarized, especially in explosion‑protected areas.
Follow ABB installation guidelines: mount the module vertically for natural convection cooling, leave at least 100mm clearance above and below for airflow, and avoid direct sunlight or nearby heat sources such as frequency converters.
Maintenance Recommendations
Daily maintenance for the LTC743CE 3BHE013299R0002 is simple: regularly check operating status, keep heat dissipation surfaces clean, and inspect wiring connections. A full inspection every six months is good practice, including temperature measurement, indicator checks, communication testing, and parameter verification.
Diagnostic data and event logs can be accessed via the built‑in interface or Control Builder software, allowing quick troubleshooting using fault codes.
After long‑term storage, perform a complete functional test before returning the module to service, and confirm parameters and firmware are up to date. Always disconnect power before replacement and follow hot‑swap procedures. Back up configuration files to avoid data loss or system damage. Periodically check insulation and connection quality on signal and communication lines to maintain safe, stable operation.
Product Warranty
ABB provides comprehensive quality assurance and after‑sales support for the LTC743CE 3BHE013299R0002 line terminal card.
The product is manufactured to strict international standards and carries multiple certifications including CE, cULus, IECEx, and ATEX, ensuring dependable performance within rated operating conditions.
ABB offers an industry‑leading 36‑month warranty starting from the delivery date. During this period, failures caused by material or manufacturing defects will be repaired or replaced free of charge, with 24‑hour replacement available for critical process outages.
Users benefit from ABB’s complete Platinum Support system: lifetime backward‑compatible firmware updates, 24/7 technical hotline with remote diagnostic access, 4‑hour on‑site emergency response in major cities, and cybersecurity alerts via the ABB Ability™ Security Portal.
Every LTC743CE 3BHE013299R0002 module undergoes 500 hours of accelerated thermal cycling testing (-40°C to +85°C) and 100% functional safety validation before shipment, ensuring long‑term durability and stable performance in real industrial environments.
Contact info
- WhatsApp: +86 18030182217
- Email: sandydcsplc@gmail.com
- Phone: +86 18030182217
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