Honeywell 51303932-276 (51303932276) Product Detailed Description

Product Model: 51303932-276 (51303932276)

Brand: Honeywell

Product Category: MU-TSDT12 SDI FTA Serial Device Interface Terminal Component (Toledo 8142 Special)

Applicable Systems: Honeywell Experion PKS C300 / TPS / UCN Distributed Control System

I. Product Overview

51303932-276 is a serial interface module for the SDI FTA series of Honeywell, specifically customized for the Toledo 8142 weighing instrument, with CE certification. It belongs to the pure automatic mode (without hardware manual switch), remotely controlled through system software, designed for connecting the Toledo 8142 series weighing terminals, featuring high isolation, wide temperature range, industrial-grade protection, and suitable for global industrial environments (including the European Union region).

II. Core Specification Parameters

1. Interface Characteristics

Interface Type: SDI Serial Device Interface FTA

Communication Protocol: RS-232 (EIA-232) / RS-485

Channel Number: 1 Channel

Control Mode: Pure Automatic (system software control, no hardware switch)

Baud Rate: 300 ~ 115200 bps

Data Bits: 5/6/7/8

Parity: None / Odd / Even

Stop Bit: 1/2

Special Adaptation: Native communication protocol of Toledo 8142 weighing instrument

2. Electrical Parameters

Isolation Voltage: 1500 V AC (Channel - System Isolation)

Input Impedance: RS-232: 3 kΩ; RS-485: 120 Ω

Drive Capacity: RS-485: Supports 32 Nodes

Power Supply: 24 V DC (Backplane Power Supply)

Power Consumption: ≤ 2.5 W

Protection: Overvoltage, Overcurrent, Reverse Connection, Surge, ESD Protection

3. Environmental Parameters

Operating Temperature: -40°C ~ +75°C (Wide Temperature)

Storage Temperature: -55°C ~ +85°C

Humidity: 5% ~ 95% RH (Non-condensing)

Protection: PCB Three-Defense Coating (Anti-moisture, Anti-salt fog, Anti-mold)

Vibration / Impact: Compliant with IEC 60068 Standard

EMC: FCC Part 15 Class A

4. Physical Characteristics

Size: Standard DCS Card (150 mm × 100 mm × 25 mm)

Weight: Approximately 0.3 kg

Installation: Hot-swappable, compatible with UCN / C300 standard racks

Interface: Front spring-type terminal + Backplane Bus Interface

Status Indicators: PWR (Power), RUN (Operation), TX/RX (Transmit/Receive), FAULT (Fault) LED Indicators

5. Certification

Certification: CE, FCC Class A, UL

Compliance: Compliant with RoHS Standard

III. Functional Characteristics

1. Special Communication Adaptation

Toledo 8142 Special: Native support for Toledo 8142 weighing terminal communication protocol

Pure Automatic Control: Remote configuration, start/stop, and diagnosis by DCS system software

Transparent Transmission: No protocol conversion, direct transmission of weighing data

Transmission Mode: RS-232 Full Duplex; RS-485 Half Duplex

2. Signal Isolation and Protection

High Electrical Isolation: 1500 V AC Isolation, effectively suppressing ground potential difference interference between the system and the site. Multi-level protection circuit: Built-in TVS surge suppression, PTC overcurrent protection and reverse connection protection

Impedance matching: The RS-485 interface is equipped with a 120Ω terminal resistor, supporting stable long-distance transmission

3. System Compatibility

Fully compatible: Experion PKS C300, TPS, UCN systems

Direct replacement: Can be seamlessly replaced with 51303932-226 (Toledo 8142 dedicated, not CE version)

Non-redundant design: Single-channel standard configuration, no hardware redundancy

Four. Comparison with Key Models of the Same Series Table

Characteristics 51303932-276 51303932-226 51303932-227 51303932-228

Model code MU-TSDT12 MU-TSDT02 MU-TSDM02 MU-TSDU02

Control mode Pure automatic Manual/Auto Manual/Auto Pure automatic

Hardware switch ❌ None ✅ Yes ✅ Yes ❌ None

Special adapter Toledo 8142 Toledo 8142 Universal serial device UDC 6000 dedicated

CE certification ✅ Yes ❌ No ✅ Yes ✅ Yes

Applicable scenarios Toledo 8142 weighing system Non-CE area weighing system Universal serial device UDC 6000 loop control

V. Typical applications

Toledo 8142 weighing instrument connection: Weighing equipment such as batching scales, floor scales, hopper scales connected to DCS

Process batching control: Precise batching systems in chemical, food, and construction industries

Industrial weighing monitoring: Real-time weight data collection, accumulation, alarm, and control

Remote monitoring: Toledo 8142 remote parameter setting, calibration, and diagnosis

EU region: Industrial weighing site with CE certification

VI. Product status

Type: DCS dedicated SDI FTA (spare parts)

Production status:停产 (legacy spare parts)

Supply： Original inventory， refurbished， second-hand spare parts

Replacement： 51303932-226 (same function， non-CE version) or new C300 serial interface module

VII. Model analysis (51303932-276)

513： Honeywell DCS spare part prefix

03932： SDI serial device interface FTA series

-276： Toledo 8142 dedicated， pure automatic， RS-232/485， wide temperature range， CE certification