Model Explanation

51400855-100: Honeywell part number (no delimiter 51400855100)

51400855 = SIO Intelligent Transmitter Interface Card Series

100 = Standard version, Rev L firmware, industrial-grade temperature

Component Type: SIO PWA (Smart Transmitter Interface Printed Wiring Assembly)

Adapter Rack: TDC 3000 Five-slot LCN Rack (Power Supply on Backplane) Technical Specifications

Processor: Special 16-bit communication processor, with a main frequency of 8 MHz

Protocol: Honeywell dedicated digital protocol (matched with ST3000 transmitter)

Number of channels: Up to 8 intelligent transmitter inputs (isolated)

Data cache: 32 KB RAM (process data + diagnostic cache)

Power supply: 5 VDC (backplane, ±5%), power consumption ≤ 15 W

Operating temperature: 0°C ~ +60°C (environment of the cabinet)

Storage temperature: -40°C ~ +85°C

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

Size: Standard 19-inch card (3U)

Weight: Approximately 0.7 kg

Certifications: CE, UL, CSA

Interfaces and Configuration

Backplane interface: LCN cabinet gold fingers, supports hot swapping

Field interface: 8 isolated terminal blocks (ST3000 dedicated cables)

Status indicators: PWR, RUN, LCN ACT, FIELD ACT, FAULT LED

Redundancy: Supports 1:1 redundancy, switching time < 50 ms

Compatibility: Compatible with TDC 3000 LCN network, compatible with the entire series of ST3000 intelligent transmitters (pressure / temperature / level) Core function

Intelligent Transmitter Communication: Bidirectional communication with ST3000 digital transmitter, collecting high-precision process values, temperature, configuration parameters and diagnostic information.

Digital Signal Processing: Filtering, calibration and engineering unit conversion of on-site digital signals, with an accuracy of ±0.01%, superior to traditional analog I/O.

Remote Configuration and Calibration: Remote modification of transmitter range, damping, and alarm thresholds via LCN network, supporting online calibration, without the need to be on-site.

Fault Diagnosis and Reporting: Real-time monitoring of transmitter status, short-circuit/open circuit of lines, and communication abnormalities. Trigger alarm and record code when a fault occurs.

Data Upload LCN: Upload process data and diagnostic information to the LCN network, for display, trend recording and control calculation on GUS/US operation stations. Applicable scenarios

System: Honeywell TDC 3000, TPS, Experion PKS (LCN compatible)

Equipment: ST3000 intelligent pressure/temperature/level transmitter, TDC 3000 LCN cabinet, GUS/US operation station

Industry: Petrochemicals, thermal power, nuclear power, metallurgy, cement, pharmaceuticals

Application: Intelligent transmitter data acquisition, high-precision process monitoring, remote configuration maintenance, analog I/O upgrade and renovation, system redundancy configuration