Genuine Automation Parts | Worldwide Express Delivery | 12-Month Warranty — [GET A QUOTE]

The Honeywell 51303932-426 (MU-TSIM12) is a high-performance Serial Interface I/O Processor (SIOP) used in Honeywell TDC 3000 and Total Plant Solution (TPS) architectures. It acts as a communication gateway between the DCS and external serial devices such as PLCs, weigh scales, and analytical instruments.
We supply this module in 100% brand new, original condition, ensuring reliable data exchange and stable long-term system integration.
| Parameter | Details |
|---|---|
| Part Number | 51303932-426 |
| Model Number | MU-TSIM12 |
| Type | Serial Interface I/O Processor (SIOP) |
| Dimensions | 12.7 × 12.7 × 12.7 cm |
| Weight | 0.8 kg |
| Compatibility | HPM / APM (Honeywell TPS / TDC 3000) |
Versatile Protocol Support
Enables integration of third-party serial devices into Honeywell control systems, supporting multiple serial communication standards via system configuration.
Autonomous Processing
Onboard processing handles serial communication independently from the main controller, reducing CPU load and preventing interference with real-time control loops.
Enhanced System Reliability
Electrical isolation protects the DCS from ground loops and transient surges commonly associated with long-distance serial communication wiring.
Streamlined Maintenance
Compact design with clear status indicators simplifies diagnostics, allowing quick identification of communication or port-level issues during commissioning or operation.
Does it support Modbus communication?
Yes. Modbus and other protocols are typically implemented through system software configuration running on or with this processor.
Is it compatible with Experion PKS?
Yes. It integrates with Experion PKS systems using HPM or legacy Honeywell I/O architectures.
How many devices can it support?
It connects through a Serial Interface FTA, and the total number of supported devices depends on system configuration and architecture design.