Description
Product Model: IS220PRTDH1A
Product Brand: GE (General Electric)
Product Series: Mark VIe I/O Module
Product Features:
• Multi-channel RTD input module for accurate industrial temperature monitoring.
• Compatible with PT100/PT1000 and similar resistance temperature devices.
• Industrial communication with redundant Ethernet and IONet support.
• Designed for hazardous and demanding environments with rugged construction.
Technical Specifications Table
| Specification | Detail |
|---|---|
| Model | IS220PRTDH1A |
| Brand | GE (General Electric) |
| Module Type | RTD Input Module (Resistance Temperature Detector) |
| Compatible System | GE Mark VIe Speedtronic Control Systems |
| Input Channels | Multiple RTD channels (typically 8+ via terminal board) |
| Sensor Types | Pt100, Pt1000 (resistive) |
| A/D Resolution | High-resolution (≥14-bit) |
| Communication | Dual Ethernet (IONet) with redundancy |
| Power Supply | Nominal 28 VDC (typical) |
| Lead Resistance Compensation | Supported via terminal board integration |
| Operating Temp | Industrial range (varies by installation) |
| Certifications | CE, UL listing; hazardous area compliance when used with approved terminal boards |
| Diagnostics | LED indicators for power, network, and status |
- IS220PRTDH1A
- IS220PRTDH1A
Product Role & System Fit
The IS220PRTDH1A from GE is a precision RTD (Resistance Temperature Detector) input module designed for industrial temperature acquisition and control applications. Built to work in conjunction with GE’s Mark VIe control system architecture, this unit functions as a dedicated I/O pack that reliably collects resistive temperature signals — typically from platinum RTD sensors such as PT100 and PT1000 — and makes them available to central controllers
Unlike generic analog input cards in conventional PLC systems, the IS220PRTDH1A is engineered for high-integrity temperature signal acquisition with built-in diagnostics, multiple input channels, and industrial communication capabilities. Its rugged design allows it to serve as a core part of critical feedback loops in power generation, refining, petrochemical operations, and other heavy industries
Integration is typically achieved via a matching terminal board assembly, such as the IS200TRTDH2D or IS200SRTDH1A series, which provides field splicing and wiring termination for RTD sensors. In a broader Mark VIe I/O network, this module interfaces with controller racks or distributed I/O subsystems, passing temperature data over IONet or similar protocols to supervisory systems that execute control logic and safety checks
Because accurate temperature measurement feeds many high-level control decisions (from turbine blade cooling performance to reactor jacket temperature in chemical plants), having a dedicated module like the IS220PRTDH1A ensures precision and reliability beyond what generic analog cards typically deliver.





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