Honeywell 51303932-476 (51303932476) Product Details

Product Model: 51303932-476 (51303932476)

Brand: Honeywell

Product Category: MC-TSIM12 SDI FTA Modbus Serial Device Interface Terminal Component

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

I. Product Overview

51303932-476 is a Modbus-specific serial interface module of the Honeywell SDI FTA series. The model code is MC-TSIM12. It is specially designed for the Honeywell DCS system, providing two physical interfaces of RS-232/RS-485, native support for Modbus RTU/ASCII protocols, and is used to seamlessly connect third-party Modbus instruments, PLCs, sensors, etc. to the control system, achieving high-speed and reliable data communication.

II. Core Specification Parameters

1. Interface Characteristics

Interface Type: SDI Serial Device Interface FTA (Serial Device Interface Field Termination Assembly)

Communication Protocol: Modbus RTU/ASCII (Master/Slave Station Mode)

Physical Interface: RS-232 (EIA-232) / RS-485 (EIA-485) Dual Interface

Channels: 1 Channel

Control Mode: Pure Automatic (Controlled by system software, without hardware manual switch)

Baud Rate: 300 ~ 115200 bps

Data Bits: 5/6/7/8

Parity: None / Odd / Even

Stop Bits: 1/2

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

2. Electrical Parameters

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

Power Supply: 24 V DC (System Backplane Power Supply)

Power Consumption: ≤ 5 W

Protection: Overvoltage, Overcurrent, Reverse Connection, Surge (ANSI/IEEE C37.90.1), ESD Static Protection

3. Environmental Parameters

Operating Temperature: -20°C ~ +60°C

Storage Temperature: -40°C ~ +85°C

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

Protection: PCB Three-Defense Coating (Anti-Water, Anti-Salt Fog, Anti-Mold)

Vibration / Impact: Compliant with IEC 60068 Standard

EMC: Compliant with IEC 801 Standard

4. Physical Characteristics

Weight: Approximately 0.27 kg (270 gm)

Installation: Hot Swap, compatible with UCN/C300/APM/HPM standard racks

Interface: Front-mounted 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. Modbus-specific Communication

Native Support: Optimized for Modbus RTU/ASCII Protocol, supports dual mode of master/slave station

Pure Automatic Control: Remote configuration and diagnosis by DCS system software

Bidirectional Data Transmission: Supports process data reading and writing, equipment status monitoring

Data Verification: Built-in CRC Verification to ensure accurate data transmission

High-speed Response: Communication response time < 10ms

2. Isolation and Reliability

High Isolation Design: 1500 V AC Isolation, effectively suppressing industrial environment interference

Industrial-grade Stability: Wide temperature working range, suitable for harsh conditions

Plug-and-Play: Supports hot swap, convenient for system maintenance and replacement

Long-distance Communication: RS-485 Mode Supports Maximum 300m Transmission Distance

3. System Compatibility Fully compatible: Experion PKS C300, TPS, UCN, APM, HPM systems

Direct replacement: Can be used as spares for the same series MC-TSIM12 models (such as -401, -426)

Non-redundant design: Single-channel standard configuration

IV. Comparison with key models of the same series Table

Characteristics 51303932-476 51303932-426 51303932-428

Model code MC-TSIM12 MU-TSIM12 MU-TSIA12

Protocol type Modbus master/slave Modbus slave station General serial (UART)

Physical interface RS-232/485 RS-232 (DB9) RS-232/485

Isolation voltage 1500 V AC 1500 V AC 1500 V AC

Operating temperature -20~+60°C -40~+70°C -40~+70°C

Hardware switch ❌ None ❌ None ❌ None

Location Modbus dual-mode general version Modbus RS-232 dedicated General serial interface

VII. Typical Applications

Modbus device connection: Connect Modbus instruments, PLCs, sensors, HMIs, inverters, etc.

Industrial process control: DCS systems in industries such as chemical, power, metallurgy, papermaking, oil and gas

Data acquisition system: Real-time collection of data from third-party Modbus devices

System spare parts: Replacement of old UCN/APM system MC-TSIM12 modules

VI. Product Status

Type: DCS-specific SDI FTA (spare parts)

Production status:停产 (legacy spare parts)

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

Replacement： New C300 serial interface module

VII. Model Analysis (51303932-476)

513： Honeywell DCS spare part prefix

03932： SDI serial device interface FTA series

-476： MC-TSIM12， Modbus master/slave， RS-232/485， 1500V isolation， -20~+60°C temperature range