Description
ABB 07KT98 GJR5253100R0278 – Product Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | 07KT98 GJR5253100R0278 |
| Manufacturer | ABB |
| Product Category | Temperature Input Module |
| Input Type | RTD (Pt100, Ni100, Cu10) |
| Number of Channels | 8 isolated inputs |
| Measurement Accuracy | ±0.1°C (Pt100 at 0°C) |
| Input Range | -200°C to +850°C |
| Resolution | 0.01°C |
| Communication Interface | PROFIBUS DP |
| Power Supply | 24V DC (±10%) |
| Operating Temperature | -20°C to +60°C |
| Protection Class | IP20 |
| Dimensions | 110 × 100 × 75 mm |
| Weight | 400g |
| Compliance Standards | IEC 60751, UL 508, CE |
ABB 07KT98 GJR5253100R0278
Product Introduction
The ABB 07KT98 GJR5253100R0278 is a high-precision 8-channel RTD temperature input module designed for industrial process control applications. Part of ABB’s S800 I/O series, this module provides exceptional measurement accuracy (±0.1°C) for critical temperature monitoring in harsh industrial environments.Engineered for reliability, the 07KT98 supports multiple RTD types including Pt100, Ni100 and Cu10 sensors, with individual channel isolation to prevent ground loops and signal interference. Its PROFIBUS DP interface enables seamless integration with ABB’s AC 800M and other PLC systems, making it ideal for power plants, oil & gas facilities, and chemical processing plants where precise temperature control is essential.
Core Advantages and Technical Highlights
Precision Measurement:
Laboratory-grade ±0.1°C accuracy at 0°C (Pt100)
0.01°C resolution for detailed process monitoring
Automatic sensor diagnostics for broken wire detection
Robust Industrial Design:
8-channel galvanic isolation (1500V AC)
Wide operating temperature range (-20°C to +60°C)
Conformal coated PCB for humidity protection
EMC immunity per IEC 61000-4 standards
Advanced Functionality:
PROFIBUS DP communication (up to 12Mbps)
Hot-swappable for maintenance without downtime
LED status indicators per channel
ABB Automation Builder configuration support
Typical Application Scenarios
Power Generation:
Turbine bearing temperature monitoring
Generator winding temperature measurement
Oil & Gas:
Pipeline temperature monitoring
Refinery process control
Chemical Processing:
Reactor temperature control
Distillation column monitoring
HVAC Systems:
Chiller plant monitoring
Building automation control
ABB 07KT98 GJR5253100R0278
Related Model Recommendations
| Model | Description |
| 07KT97 | 4-channel RTD input module |
| 07KT99 | 16-channel RTD input module |
| 07AI91 | 8-channel analog input module |
| CI854 | PROFIBUS communication interface |
Installation & Maintenance
Installation:
Mount on standard DIN rail
Connect shielded twisted-pair cables for RTDs
Ensure proper 24V DC power supply
Configure via ABB Automation Builder
Maintenance:
Annual calibration verification
Quarterly terminal inspections
Monitor LED status indicators
5-year recommended preventive replacement
Service & Support
ABB provides:
36-month standard warranty
Global technical support network
Firmware updates via Automation Builder
10-year spare parts availability
On-site calibration services
The module undergoes:
100% production testing
Environmental stress screening
500-hour burn-in testing
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