GE IS220PRTDH1B RTD Input Pack

Description

Technical Specifications

• Input Channels: 8 independent RTD input channels
• Supported RTD Types: Pt100 (100 Ω), Pt500 (500 Ω), Cu100 (100 Ω)
• Temperature Measurement Range: -200°C to +800°C (-328°F to +1472°F)
• Resolution: 14-bit analog-to-digital converter (ADC)
• Accuracy: ±0.1°C full scale (FS)
• Lead Resistance Compensation: Supports 3-wire and 4-wire RTD connections; max 15 Ω lead resistance per channel
• Excitation Current: 10 mA DC multiplexed (non-continuous) per channel
• Sampling Rate: 4 Hz (normal mode), 25 Hz (fast mode)
• Maximum Sensor Cable Length: 300 meters (984 feet)
• Isolation: 2500 V AC channel-to-channel and channel-to-backplane isolation (1 minute)
• Communication: Dual RJ45 IONet (10/100 Mbps Ethernet)
• Processor: Shared 667 MHz Freescale PowerQUICC II Pro (system-wide I/O pack processor)
• Power Supply: 22.5–28.6 V DC (24 V DC nominal, rack-powered)
• Power Consumption: Typical 4 W, maximum 6 W
• Operating Temperature: -40°C to +70°C (-40°F to +158°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Humidity: 10%–95% (non-condensing)
• Dimensions (L×W×H): 133 mm × 70 mm × 48 mm (5.2 in × 2.8 in × 1.9 in)
• Weight: 0.45 kg (0.99 lbs)
• Connectors: DC-37 pin (terminal board interface), 3-pin power input
• LED Indicators: Power, ATTN (attention), Ethernet Link/Activity (2 ports)
• Certifications: CE (EN 61000-6-2), UL 508, CSA C22.2 No.14-13, ATEX Zone 2 (IIC), RoHS
• Conformal Coating: Full PCB conformal coating for harsh environment protection

Key Features

1. 8-Channel Simplex RTD Monitoring: Simultaneously acquires temperature data from 8 RTD sensors, supporting multi-point temperature monitoring for turbines, boilers, and process equipment in simplex control systems.
2. Multi-RTD Type Compatibility: Natively supports Pt100, Pt500, and Cu100 RTD sensors, accommodating diverse industrial temperature measurement requirements.
3. 3/4-Wire Lead Resistance Compensation: Eliminates measurement errors caused by long sensor cables, ensuring accurate temperature readings even in remote field installations.
4. Multiplexed 10 mA Excitation Current: Provides multiplexed (non-continuous) 10 mA DC excitation to each RTD channel, reducing power consumption while maintaining measurement accuracy.
5. 2500 V AC High Electrical Isolation: Provides robust channel-to-channel and channel-to-backplane isolation, preventing electrical noise, cross-talk, and ground loops from corrupting temperature data.
6. Dual Redundant IONet Communication: Equipped with dual Ethernet ports for redundant network connectivity, eliminating single points of failure and ensuring uninterrupted data transmission to the Mark VIe controller.
7. Dual Sampling Modes: Offers 4 Hz standard sampling for general monitoring and 25 Hz fast sampling for rapid temperature transient detection, configurable via system software.
8. Comprehensive Sensor & Channel Diagnostics: Detects RTD open/short circuits, lead resistance faults, and signal anomalies; front-panel LEDs provide immediate visual status for power, communication, and system alerts.
9. Harsh Environment Durability: Features full conformal coating, vibration-resistant construction, and wide temperature tolerance (-40°C to +70°C), ensuring reliable operation in industrial environments with extreme temperatures, humidity, and electrical interference.
10. Seamless Terminal Board Integration: Interfaces with IS200TRTDH2D/IS200SRTDH1A/IS200SRTDH2A terminal boards for simplified field wiring, signal conditioning, and surge protection.

Application Scenarios

• Power Generation Plants: Deployed in gas turbine, steam turbine, and combined-cycle power plants for critical monitoring of bearing temperature, exhaust gas temperature, stator winding temperature, and boiler water/steam temperature in simplex control configurations.
• Oil & Gas Industry: Used in refineries, compressor stations, and offshore platforms to monitor turbine-driven compressors, process heaters, and reactor temperatures; supports safe, efficient operation of high-temperature process equipment.
• Industrial Cogeneration: Applied in chemical plants, steel mills, and pulp/paper facilities with on-site turbine-based power generation; monitors furnace, boiler, and process temperatures to optimize energy efficiency and meet emissions standards.
• Process Industries: Utilized in water treatment, pharmaceuticals, and food/beverage plants for precise temperature control of reactors, sterilizers, and production lines; ensures consistent product quality and regulatory compliance.
• Hazardous Locations: Certified for ATEX Zone 2 (IIC) hazardous areas when paired with approved terminal boards, enabling safe temperature monitoring in explosive gas environments.

Functional Overview