Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | 07KT94 |
| Manufacturer | ABB |
| Product Category | RTD Temperature Input Module |
| Input Type | Pt100, Ni100, Cu10 RTDs |
| Channel Count | 4 isolated channels |
| Measurement Accuracy | ±0.2°C (Pt100 at 0°C) |
| Input Range | -200°C to +850°C |
| Resolution | 0.1°C |
| Isolation Voltage | 1500V AC channel-to-ground |
| Communication Protocol | PROFIBUS DP |
| Power Supply | 24V DC (±10%) |
| Operating Temperature | -20°C to +60°C |
| Protection Class | IP20 |
| Dimensions | 110 × 100 × 75 mm |
| Weight | 350g |
ABB 07KT94
Product Introduction
The ABB 07KT94 is a high-performance 4-channel RTD temperature input module from ABB’s S800 I/O series, designed for precision temperature monitoring in industrial automation systems. This robust module provides isolated measurement of resistance temperature detectors (RTDs) with exceptional accuracy, making it ideal for critical process control applications.
As part of ABB’s comprehensive process automation portfolio, the 07KT94 supports multiple RTD types including Pt100, Ni100, and Cu10 sensors, offering flexible configuration for diverse industrial requirements. Its PROFIBUS DP interface ensures seamless integration with ABB AC 800M controllers and third-party PLC systems, while the compact design allows space-efficient installation in control cabinets. The 07KT94 is particularly valuable in applications requiring reliable temperature monitoring under harsh industrial conditions.
Core Advantages and Technical Highlights
Precision measurement: The ABB 07KT94 delivers laboratory-grade accuracy (±0.2°C) for critical temperature monitoring. Each of its 4 channels features 1500V AC isolation, eliminating ground loop interference and ensuring signal integrity. The module’s advanced filtering algorithms provide stable readings even in electrically noisy environments.
Industrial durability: Designed for 24/7 operation, the 07KT94 withstands harsh conditions with its -20°C to +60°C operating range and conformal coated PCB. The module meets IEC 61000-4 EMC immunity standards and resists 5g vibrations, ensuring reliable performance in demanding industrial settings.
Smart diagnostics: The 07KT94 includes comprehensive self-monitoring capabilities, detecting sensor breakage, short circuits, and out-of-range conditions. LED indicators provide instant channel status visibility, while the hot-swappable design enables maintenance without system shutdown.
Integration flexibility: With PROFIBUS DP communication (up to 12Mbps), the module easily connects to automation networks. The ABB Automation Builder software simplifies configuration, offering custom linearization curves and scaling parameters for different RTD types.
Typical Application Scenarios
The ABB 07KT94 excels in industrial processes requiring precise temperature monitoring:
Power generation: In turbine plants, the 07KT94 monitors bearing temperatures and winding heat in generators with 0.2°C accuracy. Its isolation prevents signal distortion from high electromagnetic interference near power equipment.
Oil & gas refineries: The module tracks reactor temperatures in catalytic cracking units, where ±0.2°C accuracy ensures optimal process control. The robust design handles vibration from nearby compressors.
Pharmaceutical manufacturing: For sterile processes, the 07KT94 verifies autoclave temperatures with FDA-compliant accuracy. The 4-channel design allows monitoring multiple zones simultaneously.
Food processing: In pasteurization systems, the module’s fast response time ensures precise heat treatment control. The stainless steel compatible inputs resist corrosion in washdown environments.
ABB 07KT94
Related Model Recommendations
| Model | Description |
| 07KT93 | 2-channel version for space-constrained panels |
| 07KT95 | 8-channel variant for high-density applications |
| 07AI91 | Analog input module for voltage/current signals |
| 07AC91 | Analog output module for control signals |
| CI854 | PROFIBUS communication interface module |
| 07KT96 | High-accuracy version (±0.1°C) for labs |
| 07KT97 | Hazardous area certified variant |
Installation, Commissioning and Maintenance Instructions
Installation preparation: Before installing the ABB 07KT94, verify the control cabinet environment meets specified temperature and humidity ranges. Ensure proper 24V DC power supply (±10%) is available and prepare shielded twisted-pair cables for RTD connections. Have the ABB Automation Builder software ready for configuration.
Maintenance suggestions: Perform quarterly inspections of the 07KT94 terminal connections and clean ventilation openings annually with compressed air (max 1 bar). Monitor LED status indicators regularly and replace the module if multiple channels show erratic behavior. For optimal performance, recalibrate every 2 years and update firmware when new versions are released by ABB. Maintain spare modules for critical applications to minimize downtime.
Service and Guarantee Commitment
ABB provides a 36-month warranty for the 07KT94, covering manufacturing defects and component failures. The module undergoes rigorous testing including 500-hour burn-in, thermal cycling, and EMC compliance verification. Global technical support is available 24/7 through ABB’s service network, with average response times under 4 hours for critical issues. Customers receive lifetime access to product documentation, configuration tools, and firmware updates through ABB’s customer portal. Extended service contracts are available, covering predictive maintenance and on-site support. ABB guarantees spare parts availability for 10 years after product discontinuation.
