The Honeywell 51304516-250, also designated as MC-PSTX03 STIM IOP CE CC Multivariable Smart Transmitter Interface, is a specialized DCS card engineered for seamless communication between smart field transmitters and Honeywell industrial control systems. It is widely deployed in Honeywell TDC 3000 and related distributed control architectures for process automation applications.

HONEYWELL 51304516-250

一. Core Technical Specifications

• ‌Product Type‌: Multivariable Smart Transmitter Interface Module
• ‌Manufacturer Part Number‌: 51304516-250
• ‌Alternative Designation‌: MC-PSTX03 STIM IOP CE CC
• ‌Input Signal Range‌: 4-20mA / 0-5V
• ‌Output Signal Type‌: 4-20mA / 0-20mA
• ‌Supported Communication Protocol‌: HART
• ‌Operating Temperature Range‌: -40°C to +85°C
• ‌Power Supply Requirement‌: 24V DC
• ‌Relay Contact Rating‌: 1 Form C @ 250VAC, 10A
• ‌Ingress Protection Grade‌: IP65
• ‌Certifications‌: CE, UL, CSA, FM
• ‌Place of Origin‌: United States

二. Key Features and Advantages

• ‌Multivariable Integration Capability‌: Supports simultaneous acquisition of multiple process variables from HART-compatible smart transmitters, eliminating the need for separate signal conversion modules.
• ‌Seamless System Compatibility‌: Natively interoperable with Honeywell TDC 3000, TPS, and HC900 DCS platforms, requiring minimal configuration effort during system integration.
• ‌Harsh Environment Adaptability‌: Wide operating temperature range and IP65 reliability rating ensure stable performance in industrial sites with extreme temperature fluctuations and dust exposure.
• ‌High Electrical Reliability‌: Built with industrial-grade components to withstand long-term continuous operation, reducing unplanned downtime in critical process control loops.
• ‌Full Compliance with Global Standards‌: Carries complete international safety certifications, meeting regulatory requirements for deployment in petrochemical, power generation, and pharmaceutical facilities.

三. Main Application Scenarios

• ‌Process Industry DCS Retrofit‌: Used as a replacement or spare part for existing Honeywell TDC 3000/TPS control systems in chemical, oil and gas, and refining plants.
• ‌Smart Transmitter Signal Interface‌: Connects multivariable pressure, flow, and temperature transmitters to the main control system, enabling unified process data collection.
• ‌Industrial Automation System Integration‌: Deployed in new or expanded industrial control projects that adopt Honeywell DCS architecture to handle analog signal processing tasks.
• ‌Legacy System Maintenance‌: Serves as an official spare component for Honeywell DCS system routine maintenance, ensuring long-term operational continuity of installed control assets.

四. Related Model Recommendations

• ‌51304516-100 (MU-PSTX02)‌: 16-channel STI IOP CE module, a single-variable smart transmitter interface for standard 4-20mA signal acquisition scenarios.
• ‌51304516-150 (MC-PSTX02)‌: 16-channel STI IOP CE CC version, offering the same single-variable functionality with conformal coating for enhanced corrosion resistance in harsh environments.
• ‌51304516-200 (MU-PSTX03)‌: Multivariable STIM IOP CE module, the non-conformal coated base variant of the 51304516-250 for general industrial indoor applications.

五. Frequently Asked Questions

• ‌Q: What is the warranty policy for this part?‌
  A: The warranty term is negotiated individually with suppliers; some units may be sold on an «as-is» basis without standard warranty coverage.
• ‌Q: Is this module compatible with non-Honeywell HART transmitters?‌
  A: It supports standard HART protocol communication, and can work with most third-party HART-certified smart transmitters after proper configuration.
• ‌Q: Where can I obtain the official datasheet and user manual?‌
  A: The official 51304516-250 datasheet, manual and PDF documentation can be accessed through Honeywell industrial control official technical support channels.
• ‌Q: What is the typical lead time for procurement?‌
  A: Lead time varies by supplier stock status; most industrial part distributors can provide specific delivery schedules upon formal inquiry.