Model Explanation

51309223‑175: Honeywell Part Number (51309223 = TC-specific LLMUX series; 175 = Wide Temperature High Density Enhanced Version)

MC-TAMT13: Module Model

MC = Module Card (Enhanced I/O Board Card)

TAMT = Thermocouple Analog Multiplexer TC (Thermocouple Analog Multiplexer)

13 = Hardware Version (Rev.13, Wide Temperature Industrial Grade) Technical Specifications

Channel quantity: 16 differential inputs (mainly TC, compatible with 2 RTD)

Signal type: Thermocouple (B/E/J/K/N/R/S/T types) + 2 RTD (PT100) + mV signal

Measurement range: TC: -200°C ~ +1000°C; RTD: -200°C ~ +850°C

Resolution: 16 bits (high-precision ADC)

Accuracy: TC: ±0.3°C (at 25°C); RTD: ±0.15°C

Isolation strength: 1500 V RMS (channel - system isolation)

Cold junction compensation (CJR): On-board high-precision CJR (±0.3°C, wide temperature optimization)

Input impedance: >1 MΩ (TC/mV dedicated, strong anti-interference)

Power supply: 24 VDC (±10%), UCN backplane power supply

Operating temperature: -40°C ~ +75°C (wide temperature industrial grade, extends the low-temperature range beyond the standard version)

Storage temperature: -40°C ~ +85°C

Humidity: 5% ~ 95% RH (no condensation)

Size: 220 × 150 × 30 mm

Weight: 0.8 kg

Certifications: CE, UL, CSA, RoHS

Interfaces and Communications

Field side: 16 gold-plated screw terminals (common for TC/RTD/mV connections, oxidation-proof)

System side: High-density UCN flat cable (connects LLMUX IOP cards)

Status indication: PWR (green), READY (green), FAULT (red) LEDs

Configuration: DCS software configures TC type, RTD wiring, range, filtering, CJR parameters

Hot-swappable: Supported (online replacement does not affect system operation) Core function

16-channel TC high-precision acquisition + 2-channel RTD multiplexing: Covers all mainstream thermocouples, takes into account a few RTD measurement points, and flexibly adapts to mixed temperature measurement requirements

Wide temperature range and high stability measurement: High precision across the -40°C to +75°C temperature range, suitable for outdoor, low-temperature workshops, high-temperature furnaces and other extreme conditions

Enhanced anti-interference design: >1 MΩ input impedance + 1500 V isolation, suppresses EMI/RFI and ground loop interference, suitable for strong electromagnetic industrial environments

Precise cold junction compensation: Wide temperature optimized CJR, eliminates the error of the thermocouple's cold junction in low-temperature environments, ensuring measurement accuracy across the entire temperature range

Comprehensive fault diagnosis: Real-time alarms for TC open/closed circuit, RTD failure, over-range, and power supply abnormalities, facilitating rapid maintenance Applicable scenarios

Industry: Petrochemicals, Electricity (thermal power / nuclear power), Metallurgy, Glass manufacturing, Heat treatment, Pharmaceuticals

Applications: 16-channel thermocouple dense temperature measurement, extreme high and low temperature environment temperature monitoring, temperature monitoring for high-temperature furnaces / reaction vessels / pipelines, mainly TC with a small amount of RTD mixed measurement points

Compatible systems: Experion PKS (C200/C300), TDC 3000, TPS (UCN network LLMUX IOP matching)