More Products From This Vendor
51304493-200 Honeywell PM Modem Module for TDC 3000 Systems
The Honeywell 51304493-200 is a high-reliability PM modem module designed for TDC 3000 systems, ensuring stable and noise-immune data transmission for process control.
Description
Brief Product Description
The Honeywell 51304493-200 is a specialized Process Manager (PM) modem designed to facilitate high-integrity data exchange within the TDC 3000 DCS architecture. It enables seamless communication between controllers and the supervisory network, ensuring reliable transmission of critical process variables and diagnostic data.
Mission-Critical Data Exchange for Process Control
The Honeywell 51304493-200 operates as a primary communication gateway within the Process Manager (PM) subsystem of the TDC 3000 control environment. This module translates internal controller data into standardized network signals, allowing the Distributed Control System (DCS) to synchronize information across multiple field devices. By maintaining a constant, high-speed data link, the modem ensures that operators receive real-time updates regarding plant status and alarm conditions. Consequently, this reliable signal flow supports the precise coordination required in complex refining, chemical processing, and power generation cycles.
Industrial Grade Reliability and Signal Integrity
Engineered to perform in the challenging electrical environments of modern industrial facilities, the 51304493-200 modem features advanced filtering to mitigate electromagnetic interference (EMI). Because industrial sites often experience significant electrical noise and temperature fluctuations, this hardware utilizes robust circuitry to prevent data corruption or packet loss. This commitment to signal integrity minimizes the risk of communication timeouts, which can otherwise lead to process upsets or emergency shutdowns. Furthermore, the module’s lightweight and slim profile allows for efficient installation within high-density marshaling cabinets without compromising the thermal management of the enclosure.
Lifecycle Support for Legacy Infrastructure
The 51304493-200 remains a critical component for facilities looking to extend the operational life of their existing Honeywell DCS investments. While modern automation continues to evolve, many plants rely on the proven stability of the Process Manager system for their core control logic. This modem provides a cost-effective solution for maintaining these legacy systems, offering a direct replacement path that avoids the complexities of a full system migration. By ensuring the continued availability of high-quality communication modules, Honeywell supports industrial users in achieving long-term sustainability and consistent productivity across their entire automation asset base.
Key Technical Characteristics
- High-Integrity Modulation: Employs specialized signaling to ensure data accuracy across long-distance control bus segments.
- Full Compatibility: Designed specifically for the Honeywell Process Manager (PM) and Advanced Process Manager (APM) hardware families.
- EMI Resistance: Integrated shielding protects against the signal degradation typically caused by heavy industrial machinery.
- Hot-Swappable Design: Facilitates rapid module replacement to reduce Mean Time to Repair (MTTR) during maintenance intervals.
- Real-Time Diagnostics: Features onboard status indicators that provide immediate visual feedback on link activity and module health.
- Low Power Consumption: Minimizes the electrical load on the system backplane, contributing to overall hardware longevity.
Technical Specifications
| Feature | Specification Detail |
| Manufacturer | Honeywell |
| Part Number | 51304493-200 |
| Module Type | Process Manager (PM) Modem |
| System Application | TDC 3000 / Experion PKS (Legacy Integration) |
| Mounting Format | Plug-in I/O Module |
| Weight | 0.24 kg |
| Dimensions | 2.0 cm x 13.3 cm x 23.7 cm |
| Network Interface | PM I/O Link / Supervisory Bus |
| HS Code | 8537101190 |
| Origin | USA |
Additional information
| Weight | 0.24 kg |
|---|---|
| Country of Origin | USA |
| Dimension | 2 x 13.3 x 23.7cm |
Recently Viewed Items

Rockwell Automation 1783-US6T2F | Stratix 2000 Industrial Unmanaged Switch
$99.00Rated 0 out of 50 reviews$199.00Available: 99 Sold: 0
1X01046H01L Emerson | Ovation DCS High-Density Power Unit
$99.00Rated 0 out of 50 reviews$199.00Available: 99 Sold: 0
merson DeltaV SIS KJ2201X1-JA1 | 12P3323X042 Redundant I/O Terminal Block
$99.00Rated 0 out of 50 reviews$199.00Available: 99 Sold: 0
A6824 Emerson | Machinery Health Monitor Communication Interface
$99.00Rated 0 out of 50 reviews$199.00Available: 99 Sold: 0
Allen-Bradley ControlLogix 1756-SIM | Virtual Chassis Input/Output Simulator
$99.00Rated 0 out of 50 reviews$199.00Available: 99 Sold: 0
Allen Bradley 80190-380-01-R | PLC-5 DCB Board Assembly
$99.00Rated 0 out of 50 reviews$199.00Available: 99 Sold: 0
























0.0 Average Rating Rated (0 Reviews)