



Introduction — Reliable Serial Communication Module for Experion LS
The Honeywell TC-MUX021 is a high-performance Serial Interface Module designed for Experion LS and compatible Honeywell control systems. This module enables reliable serial communication between controllers, I/O modules, and field devices, facilitating data exchange in process automation and industrial control systems. Engineered for industrial performance, the TC-MUX021 ensures robust signal integrity, easy installation, and seamless integration into Experion LS racks.
Technical Specifications
| Specification | Details |
|---|
| Model | TC-MUX021 |
| Module Type | Serial Interface Module |
| Compatible Systems | Honeywell Experion LS, TDC 3000, FS series |
| Interface Type | RS-232 / RS-485 (serial communication) |
| Baud Rate | Up to 115.2 kbps |
| Operating Temperature | 0 °C to +60 °C |
| Mounting | Rack-mounted in Experion LS I/O racks |
| Dimensions (W×H×D) | 120 mm × 90 mm × 35 mm |
| Weight | ~0.38 kg |
| Isolation | Electrically isolated communication lines for field protection |
| Material | Industrial-grade PCB with protective coating |
| Compliance | CE, UL, and industrial safety standards |
Applications — Where TC-MUX021 Excels
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Serial Communication: Connects controllers, I/O modules, and field devices using RS-232/RS-485 protocols.
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Process Automation Systems: Transmits critical data between field devices and Experion LS controllers.
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Rack Integration: Compact module mounts easily into Experion LS I/O racks.
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Electrical Protection: Provides isolation to prevent damage from voltage spikes or surges.
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Industrial Reliability: Designed for accurate, uninterrupted communication in harsh plant environments.
Its robust construction ensures reliable operation in demanding industrial applications.
Advantages — Key Benefits
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Reliable Data Transfer: Supports RS-232 and RS-485 serial communication for controllers and field devices.
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Electrical Isolation: Protects connected devices from voltage surges and field-side faults.
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Compact Design: Easily integrates into Experion LS I/O racks (~0.38 kg).
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Industrial Durability: Operates efficiently under plant temperature and environmental conditions.
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Seamless Integration: Fully compatible with Experion LS, TDC 3000, and FS series racks.
These features ensure uninterrupted communication and efficient system performance.