Technical Specifications Module Type: RTD Temperature Input Packaged I/O Pack Applicable System: GE Mark VIe Speedtronic Turbine Control System Communication Interface: Dual 10/100Mbps RJ45 Ethernet IONet redundant network Field Interface: Matched RTD terminal board via dedicated connecting cable Power Supply: 28VDC nominal local field power Sensor Support: Industry‑standard Pt100 and other RTD resistance temperature detectors Operating Temperature: ‑30 ℃ to +70 ℃ Storage Temperature: ‑40 ℃ to +85 ℃ Relative Humidity: 5%‑95%, non‑condensing Mechanical Dimension: Standard Mark VIe packaged I/O housing, DIN‑rail mountable Certifications: CE, UL power‑generation industrial component compliance
Functional Features Receives multi‑channel RTD resistance‑type temperature sensor signals from field transducers. Completes resistance measurement and converts resistance values into real‑world temperature readings. Redundant dual‑Ethernet communication ensures stable temperature‑data transmission to main controller. Front‑panel LED indicators show power status, network link condition and module fault alarms. Built‑in self‑diagnosis detects sensor open‑circuit, short‑circuit and internal hardware failure. Supports distributed temperature‑measurement deployment outside main control cabinet.
Application Scenarios Distributed temperature signal acquisition for Mark VIe gas‑turbine and steam‑turbine bearing and exhaust systems. Field‑side temperature monitoring for power‑plant auxiliary equipment. Spare‑part replacement for existing Mark VIe distributed control installations.
Structural Characteristics Compact metal‑shielded packaged housing compatible with TS‑35 DIN‑rail mounting. Front faceplate includes status LED array and dual RJ45 Ethernet ports. Rear 28VDC power connector and dedicated cable interface for RTD terminal‑board connection.
Working Principle RTD sensor resistance signals are sent to matched RTD terminal board and transmitted to IS220PRTDH1A. On‑board precision circuit measures resistance value of each sensor channel, converts resistance into temperature data.
Installation Requirements Mount module on standard TS‑35 DIN‑rail inside local field‑side enclosure. Connect 28VDC power supply with correct polarity. Link dual Ethernet ports to redundant IONet control network. Use shielded cables for RTD sensor field wiring and keep separation distance from high‑voltage power cables.
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