Technical Specifications Part Number: 63938751 Operating Supply Voltage: 24 VDC ±10% Number of Input Channels: 8 RTD input channels Supported Sensor Types: Pt100, Pt1000, Ni100, Ni1000 Wiring Modes: 2‑wire, 3‑wire, 4‑wire A/D Resolution: 16‑bit Isolation: Group galvanic isolation Operating Temperature: 0 ℃ to +60 ℃ Storage Temperature: ‑40 ℃ to +85 ℃ Relative Humidity: 5%‑95%, non‑condensing Mounting Type: S800 rack plug‑in Protection Class: IP20 Certifications: CE
Functional Features Supports multiple RTD sensor types and three wiring configurations. Built‑in open‑circuit and short‑circuit diagnostic functions for sensor loops. Group‑wise galvanic isolation blocks ground‑loop interference. Front‑panel LED indicators show module power, run status and fault alarms. Detachable supporting terminal unit simplifies field wiring and module replacement. All channel parameters configured via Control Builder M software. Full mechanical and electrical compatibility with S800 series rack hardware.
Application Scenarios Power plant boiler and turbine multi‑point temperature monitoring cabinets. Petrochemical and chemical process temperature measurement systems. Metallurgical industry furnace and pipeline temperature acquisition. AC800M DCS system overhaul and spare‑part replacement projects.
Performance Parameters Measurement Accuracy: ±0.1 ℃ for Pt100 4‑wire connection MTBF: 236500 hours Shock and Vibration: Complies with IEC 60068‑2‑6 cabinet‑mount standard Fault Tolerance: Single‑sensor loop fault does not affect other measurement channels.
Installation Requirements Insert AI830 module into designated S800 rack slot and install matching terminal unit. Implement cabinet protective earthing according to system grounding specifications. RTD sensor cables adopt shielded twisted‑pair wiring. Separate signal cables and high‑power cables. Confirm physical sensor wiring mode matches software channel configuration before power‑on. Reserve cabinet ventilation space to prevent heat accumulation around the module. Tighten terminal unit screws to manufacturer‑recommended torque values. Maintain ambient operating environment within rated temperature and humidity without condensation.
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