Model Explanation

51401573-150: Standard FTA model

51401573: TDC 3000 low-level analog input / thermocouple multiplexing series

150: FTA version (corresponding to the dedicated terminal board of the mainboard 51401573-100)

Associated mainboard: 51401573-100 (LLAI TC MUX mainboard, 16 thermocouple inputs)

Module type: Thermocouple (TC) input terminal board (FTA)

Applicable systems: Honeywell TDC 3000, TPS, Experion PKS (LCN network) Technical Specifications

Input Channel: 16 differential channels (corresponding one-to-one with the motherboard 51401573-100)

Signal Type: J, K, T, E, R, S, B type thermocouples (mV level low voltage)

Terminal Specification: Screw type, compatible with 14–22 AWG cables

Isolation Voltage: 1500 VAC (channel - motherboard)

Protection Functions: Overvoltage, Overcurrent, Reverse Polarity Protection

Filtering: RC low-pass filtering (suppresses high-frequency interference)

Power Supply: Powered by the motherboard 51401573-100 (no external power supply required)

Operating Temperature: 0°C ~ +60°C

Storage Temperature: -40°C ~ +85°C

Weight: Approximately 0.18 kg

Certifications: CE, UL, CSA, RoHS

Interface and Configuration

Field Side: 16 differential input terminals for thermocouples (plus/minus)

Backplane Side: Special connector for connection with the 51401573-100 motherboard

Status Indication: No onboard LED (status indicated by motherboard indicator lights)

Configuration Method: No DIP switches (channel type / parameters configured by motherboard software)

Installation: Stack-mounted with the motherboard 51401573-100, fixed in the I/O rack

Core Functions

Signal Conversion: Connects 16 on-site thermocouple signals to the motherboard

Electrical Isolation: Isolates the field from the system side, suppressing ground loop interference

Signal Protection: Prevents damage to the motherboard's precision circuits due to overvoltage / overcurrent

Filtering and Noise Reduction: Filters out high-frequency noise from industrial sites, improving measurement accuracy

Cold Junction Compensation Assistance: Provides a stable reference point, cooperating with the motherboard's cold junction compensation Application scenario

System: Honeywell TDC 3000, TPS, Experion PKS

Industry: Petrochemicals, power, metallurgy, heat treatment, pharmaceuticals, glass

Application: Monitoring of multiple points for heating furnaces, reactors, boilers, steam turbines, etc.

Installation: TDC 3000 standard I/O rack (5 slots / 15 slots backplane, such as 51401381-100)