Honeywell 51303932-403 (51303932403) Product Detailed Description

Product Model: 51303932-403 (51303932403)

Brand: Honeywell

Product Category: MU-TSIM13 SDI FTA Modbus Enhanced Serial Device Interface Terminal Component

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

I. Product Overview

51303932-403 is a high-performance serial interface module for the SDI FTA series of Honeywell's Modbus protocol. The model code is MU-TSIM13, which is an enhanced upgrade version of MU-TSIM12 (51303932-401). It maintains the wide temperature range and high isolation characteristics while optimizing communication stability and protocol compatibility. It is specifically designed for high-reliability Modbus RTU/ASCII device networking and supports high-speed bidirectional communication between DCS systems and industrial instruments, PLCs, frequency converters, etc.

II. Core Specification Parameters

1. Interface Characteristics

Interface Type: SDI Serial Device Interface FTA

Communication Protocol: Modbus RTU/ASCII (Master/Slave Mode), RS-232 (EIA-232), RS-485 (EIA-485)

Channel Number: 1 Channel

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

Baud Rate: 300 ~ 115200 bps (Standard); Maximum Support 230400 bps (Enhanced)

Data Bits: 5/6/7/8

Parity Bit: None / Odd / Even

Stop Bit: 1/2

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

Drive Capability: RS-485: Supports 32 Nodes (Standard); 64 Nodes (Enhanced)

Protocol Function: Supports Modbus Function Codes 01, 02, 03, 04, 05, 06, 15, 16

2. Electrical Parameters

Isolation Voltage: 2000 V AC (Channel - System Isolation, Higher than Type 401)

Input Impedance: RS-232: 3 kΩ; RS-485: 120 Ω (Built-in Terminal Resistor)

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

Power Consumption: ≤ 2.8 W

Protection: Overvoltage, Overcurrent, Reverse Connection, Surge, ESD ±15 kV Protection

3. Environmental Parameters

Operating Temperature: -40°C ~ +85°C (Ultra-Wide Temperature Industrial Grade)

Storage Temperature: -55°C ~ +105°C

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

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

Vibration / Impact: Compliant with IEC 60068-2-6/2-27 Standards

EMC: FCC Part 15 Class A, CE, UL

4. Physical Characteristics

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

Weight: Approximately 0.32 kg

Installation: Hot Swap, Compatible with UCN/C300/APM/HPM Standard Rack

Interfaces: Front Spring-Type Terminal + Backplane Bus Interface

Status Indicators: PWR (Power), RUN (Operation), TX/RX (Transmit/Receive), FAULT (Fault), MODBUS ACT (Active) LED Indicators 5. Certification

Certification: CE, FCC Class A, UL, cUL

Compliance: Compliant with RoHS 2.0 standard

III. Functional Characteristics

1. Enhanced Modbus Communication

Master/Slave Dual Mode: Supports polling as the Modbus master station or response from the slave station

High Compatibility: Compatible with all standard Modbus RTU/ASCII devices

Data Buffering: Built-in 256-byte communication buffer, reducing packet loss

Error Re-transmission: Supports automatic CRC verification and data re-transmission mechanism

Transparent Transmission: No protocol conversion, data direct passage, response time < 10ms

2. High Isolation and Reliability

2000V AC Isolation: Superior to the 401 series, stronger anti-interference

Industrial-grade Wide Temperature Range: -40~+85°C, adaptable to extreme conditions

Multiple Protection Levels: TVS surge protection, PTC overcurrent protection, reverse connection protection, ESD protection

Long-life Design: MTBF > 500,000 hours

3. System Compatibility

Fully Compatible: Experion PKS C300, TPS, UCN, APM, HPM systems

Direct Replacement: Can be seamlessly upgraded and replaced with 51303932-401 (with better performance)

Non-redundant Design: Single-channel standard configuration

IV. Comparison with Key Models of the Same Series Table

Characteristics 51303932-403 51303932-401 51303932-277 51303932-278

Model code MU-TSIM13 MU-TSIM12 MU-TSDM02 MU-TSDU02

Protocol-specific Modbus (master / slave) Modbus (slave station) General serial UDC 6000

Isolation voltage 2000 V AC 1500 V AC 1500 V AC 1500 V AC

RS-485 node 64 32 32 32

Maximum baud rate 230400 bps 115200 bps 115200 bps 115200 bps

Operating temperature -40~+85°C -40~+85°C -40~+75°C -40~+75°C

Hardware switch ❌ None ❌ None ✅ Yes ❌ None

Status indicator 5 LED 4 LED 4 LED 4 LED

VII. Typical Applications

Modbus master station polling: DCS as the master station, collecting data from multiple instruments/PLC

Industrial equipment networking: Frequency converters, intelligent instruments, sensors, HMI, barcode devices

High interference environment: High electromagnetic interference sites in power plants, metallurgy, chemical industry, papermaking, etc.

System upgrade: Upgrade of old DCS systems' Modbus interface, replacement of 51303932-401

EU / North American applications: Global industrial projects compliant with CE/FCC/UL certifications

VIII. 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 enhanced Modbus interface module

IX. Model Analysis (51303932-403)

513： Honeywell DCS spare part prefix

03932： SDI serial device interface FTA series

-403： Modbus master / slave， 2000V isolation， RS-232/485， wide temperature range， CE/FCC/UL certification， enhanced version