Description
GE IS230SNRTH2A Product Description
Product Overview
The GE IS230SNRTH2A is a dedicated RTD (Resistance Temperature Detector) input module for the GE Speedtronic Mark VIe turbine control system. It acts as the precision thermal sensing interface between field temperature sensors and the core control platform.
This module converts resistance signals from RTD probes into calibrated digital temperature readings, and transmits the data to the main controller over the system backplane. It supports 2-wire, 3-wire and 4-wire sensor connections to match different field wiring schemes. Built with industrial-grade circuitry and conformal coating, it delivers stable and reliable temperature monitoring for mission-critical turbine protection and control loops in harsh power generation environments.
Key Product Features
- 10 isolated RTD input channels cover bearing, exhaust and lube oil temperature points in a single module.
- Supports platinum PT100, nickel and copper RTDs with configurable 2/3/4-wire operation for flexible field adaptation.
- Channel-to-channel and channel-to-ground electrical isolation eliminates ground loop interference and common-mode noise.
- 16-bit analog-to-digital conversion delivers fine temperature resolution for early overheating detection.
- Integrated sensor break detection and open-circuit diagnostics identify wiring faults before they cause control errors.
- Front-panel LED indicators provide instant visual status for power, module health and channel activity.
- Conformal coated PCB resists dust, humidity and corrosive atmospheres in power plant and industrial sites.
- Drop-in compatibility with Mark VIe rack architecture simplifies system expansion and spare part replacement.
Technical Specifications
| Item | Specification |
|---|---|
| Official Model | IS230SNRTH2A |
| Product Type | RTD Temperature Input Module |
| Compatible System | GE Speedtronic Mark VI / Mark VIe Turbine Control System |
| Input Channels | 10 electrically isolated RTD channels |
| Supported Sensors | PT100 (100 Ω platinum), nickel, copper; 2/3/4-wire configurable |
| Measurement Range | -200°C to +850°C (varies by RTD type and wiring configuration) |
| A/D Resolution | 16-bit |
| Isolation Rating | Channel-to-channel, channel-to-backplane isolation |
| Power Supply | 28 V DC nominal, supplied via system backplane |
| Compatible Terminal Board | TRTDH1A / TRTDH2B series |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5%–95% RH, non-condensing |
| Mounting | Standard rack plug-in installation |
| Certifications | CE, UL, industrial EMC compliance |
Application Fields
- Bearing, exhaust and lube oil temperature monitoring for gas and steam turbines in thermal power plants
- Generator winding and thrust bearing thermal protection in combined-cycle power stations
- Compressor and pump bearing temperature supervision in oil & gas production and processing facilities
- Industrial furnace and reactor temperature acquisition for process control systems
- Legacy Mark VI control system retrofit and Mark VIe performance upgrade projects
- Rotating machinery condition monitoring and over-temperature protection loops
Related Model Recommendations
- IS230SNRTH1A: Lower-channel-count RTD input module from the same family, ideal for smaller turbine packages and cost-sensitive applications.
- IS200SRTDH2ACB: Previous-generation Mark VI RTD input board, serving as the direct upgrade path to the IS230 series.
- IS220PRTDH1A: Mark VIe RTD input pack optimized for simplex and TMR redundant control architectures.
- IS215VCMIH2B: Mark VIe main controller CPU that aggregates and processes temperature data from IS230SNRTH2A modules across the control rack.



