The GE IS200SRTDH2ACB is a high-reliability Resistance Temperature Detector (RTD) input terminal board designed for GE’s Mark VI turbine control systems, serving as a critical interface for precision temperature monitoring in industrial automation. As part of the Mark VI modular architecture, this board is engineered to convert raw RTD signals into digital data for turbine control algorithms, ensuring accurate temperature regulation in power generation, oil & gas, and heavy machinery applications. Its role is pivotal in maintaining operational safety and efficiency by isolating sensor inputs from electromagnetic interference (EMI) and providing real-time diagnostics.
The GE IS200SRTDH2ACB stands out for its rugged design, supporting up to 8 isolated RTD channels with galvanic isolation of 2.5 kV RMS . Each channel accommodates PT100/PT1000 sensors, making it suitable for measuring temperatures in turbines, generators, and process pipelines. Its dual-terminal block configuration (36 terminals total) allows for flexible wiring, while the DC-37 pin connector ensures secure integration with GE’s PRTD I/O packs . What makes this board indispensable is its ability to operate in extreme environments, with a wide temperature range of -40°C to +85°C , ensuring consistent performance in harsh industrial settings.
| Parameter |
Value |
| Product Model |
GE IS200SRTDH2ACB |
| Manufacturer |
General Electric (GE) |
| Product Type |
Isolated RTD input terminal board for Mark VI systems |
| Input Channels |
8 isolated channels (simplex configuration) |
| Sensor Type |
PT100/PT1000 RTDs |
| Isolation Rating |
2.5 kV RMS between channels and ground |
| Power Requirements |
24 VDC ±10% (0.3 A typical) |
| Operating Temperature |
-40°C to +85°C |
| Storage Temperature |
-55°C to +100°C |
| Dimensions |
159 mm (H) × 178 mm (W) × 45 mm (D) |
| Weight |
0.45 kg |
| Protection Features |
Surge protection, reverse polarity protection |
| Mounting Method |
35 mm DIN rail or panel-mount with M3 screws |
| Certifications |
CE, UL 508, ATEX (hazardous locations) |
The GE IS200SRTDH2ACB delivers exceptional signal integrity, leveraging its 2.5 kV galvanic isolation to eliminate ground loops and noise in high-interference environments like power plants. This reduces measurement errors by up to 1.5% compared to non-isolated solutions, ensuring precise temperature feedback for turbine blade cooling systems . Its surge protection circuitry withstands transient voltages up to 6 kV, a critical feature in oil refineries where lightning strikes or equipment faults can cause voltage spikes .
Reliability is built into every aspect. The board’s conformal coating protects against dust, moisture, and chemical contaminants, extending its lifespan in corrosive environments like petrochemical plants . LED indicators on the front panel provide real-time status of each channel (green = active, red = fault), allowing technicians to quickly identify issues without diagnostic tools . For mission-critical applications, the GE IS200SRTDH2ACB supports hot-swappable replacement, enabling module upgrades or repairs without system downtime—a capability that cuts maintenance time by 40% in continuous-process industries .
Integration flexibility is another hallmark. The board’s right-angle header terminals and pluggable design simplify wiring, while its compatibility with GE’s PRTD I/O packs ensures seamless integration with Mark VI control modules like the
IS200AEPCH1BAA . In combined-cycle power plants, this allows the
GE IS200SRTDH2ACB to interface with both turbine RTDs and generator temperature sensors, providing a unified data stream for predictive maintenance algorithms.
In natural gas power plants, the GE IS200SRTDH2ACB monitors turbine inlet temperatures using PT100 sensors. By converting these signals into digital data, it enables the IS200PMCIH1AAA6BA00 processor module to adjust fuel flow and blade angles, optimizing efficiency and reducing NOx emissions by 12% . During startup, the board’s real-time diagnostics detect sensor drift, triggering alerts to prevent overheating and costly turbine damage.
Oil refineries use the GE IS200SRTDH2ACB to monitor pipeline temperatures in hazardous zones. Its ATEX certification allows installation in explosive atmospheres, where it connects to RTDs embedded in crude oil transfer lines. If temperatures exceed safe limits, the board relays signals to the IS200EGDMH1AFF communication module, automatically closing emergency shutoff valves within milliseconds—ensuring compliance with API 551 standards .
Wind farms leverage the GE IS200SRTDH2ACB for gearbox temperature monitoring. By analyzing data from multiple RTDs, it alerts operators to bearing wear or lubrication issues, enabling proactive maintenance that reduces turbine downtime by 25%. This predictive capability is critical in remote locations where access is limited.
- GE IS220PRTDH1B – Enhanced variant with 16 RTD channels and advanced diagnostics, suitable for large-scale process plants.
- GE IS200SRTDH1ABB – Earlier revision with basic functionality, often used in legacy Mark VI systems .
- GE IS230SNRTH2A – Ruggedized version with higher vibration resistance, ideal for offshore platforms .
- GE IS200DTAOH1ABA – Digital output terminal board often paired with the GE IS200SRTDH2ACB for closed-loop temperature control.
- GE IS200ERIOH1ABB – Remote I/O module extending the GE IS200SRTDH2ACB’s reach for distributed sensor networks.
Install the GE IS200SRTDH2ACB in a grounded control cabinet with at least 20 mm of clearance for airflow, ensuring ambient temperatures remain within -40°C to +85°C. Secure the board using DIN rail clips or M3 screws, tightening connections to 0.5 N·m torque to withstand vibration . Use shielded twisted-pair cables for sensor connections, terminating shields at both ends to minimize EMI. For hazardous locations, follow ATEX guidelines for conduit sealing and grounding .
Perform quarterly inspections to verify sensor calibration using GE’s Proficy software. Check LED indicators for channel status and inspect terminal blocks for corrosion or loose wires. Clean dust from the board’s vents with compressed air every six months, particularly in dusty environments like cement plants. Replace the module if any channel shows consistent signal degradation or if isolation resistance drops below 10 MΩ—a threshold that could compromise system safety. Xiamen Xiongba E-commerce Co., Ltd. offers free replacement under its one-year warranty for manufacturing defects, ensuring rapid resolution of issues.
The GE IS200SRTDH2ACB is backed by a one-year warranty from Xiamen Xiongba E-commerce Co., Ltd., covering defects in materials or workmanship with free replacement. As a global supplier specializing in GE Mark VI components, Xiamen Xiongba ensures genuine products sourced directly from GE’s authorized channels, guaranteeing compatibility and performance. GE’s technical support team provides 24/7 assistance for configuration and firmware updates, minimizing downtime in critical applications. This warranty reflects confidence in the GE IS200SRTDH2ACB’s durability and underscores its role as a reliable component in GE’s industrial automation ecosystem.
