HONEYWELL 51304748-175（MC-GAIH22）
Description
Product Description
Model Definition
51304748-175: Official part number; 5130 = DCS series, 4748 = analog input FTA circuit, 175 = hardware revision.
MC-GAIH22: Alias (Galvanic Isolated Analog Input FTA).
Alternate P/N: 51304748175 (hyphen omitted).
Technical Specifications
Channels: 16 differential analog input terminals.
Signal Types: 4–20 mA (2-wire/self-powered), 1–5 VDC; compatible with HLAI2/MC-PAIH03 modules.
Isolation: Galvanic isolation between field and system; 1500 VAC withstand.
Terminals: Screw terminals for field wiring; gold-plated contacts for reliability.
Compatibility: Matches 51304754-100/150 (HLAI2/MC-PAIH03) modules.
Operating Temp: -20°C to +60°C; Storage: -40°C to +70°C.
Certifications: CE, UL, CSA, RoHS.
Weight: ~2 kg; Dimensions: 313 × 278 × 30 mm.
Core Functions
Field Signal Interface: Transmit 16-channel 4–20 mA/1–5 VDC signals from transmitters to DCS input modules.
Galvanic Isolation: Eliminate ground loops and suppress EMI for signal integrity.
Wiring & Protection: Provide secure screw terminals; with surge/overvoltage protection.
Module Matching: Dedicated FTA for HLAI2/MC-PAIH03 high-level analog input modules.
Application Scenarios
Industries: Oil/gas, chemical, petrochemical, power, pharmaceutical.
Uses: Connect pressure, temperature, flow, level transmitters in TDC 3000/TPS/UCN cabinets.
System: Honeywell TDC 3000, TPS, UCN DCS systems.
Usage & Maintenance
Usage
Mount FTA in DCS cabinet, connect ribbon cable to HLAI2/MC-PAIH03 module.
Wire field transmitters to FTA screw terminals (4–20 mA/1–5 VDC).
Verify wiring integrity; power on and test signal communication.
Maintenance
Environment: Clean, dry, ventilated; temp/humidity within specs.
Inspection: Quarterly check of terminal tightness and cable condition.
Cleaning: Wipe dust with dry cloth; no liquid cleaners.
Storage: Spare FTAs in anti-static bags, cool/dry area.
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