Description
The Honeywell 51303932-476 (Model MC-TSIM12) is a specialized Serial Device Interface Field Termination Assembly (FTA) engineered specifically for Honeywell’s legacy TDC 3000 Distributed Control System (DCS) architecture. Designed to support Modbus RTU communication protocols, this CE-compliant and conformally coated single-channel assembly provides physical interfaces for both EIA-232 (RS-232) and EIA-422/485 (RS-422/485) asynchronous serial communication devices. It serves as a reliable link between the system’s Input/Output Processor (IOP) and third-party industrial devices such as analyzers, meters, and variable speed drives.
📊 Product Datasheet & Technical Parameters
| Parameter Name | Technical Specification Value |
| Model Designation | Honeywell MC-TSIM12 (Part Number: 51303932-476) |
| Manufacturer | Honeywell Process Solutions |
| System Platform | TDC 3000 Distributed Control System (APM / HPM framework) |
| Module Category | Serial Interface Field Termination Assembly (SI FTA) |
| Number of Channels | 1 Single Channel |
| Supported Protocols | Modbus RTU (Master / Slave) |
| Physical Interfaces | EIA-232 (RS-232) and EIA-422/485 (RS-422/485) |
| Baud Rate Support | Selectable baud rates up to 19200 bps |
| Compliance & Protection | CE Compliant, Conformal Coated (CC) for corrosive environments |
| Terminal Type | DB-25 connector (J2) or compression/screw terminals |
| Operating Temperature | 0°C to +60°C (+32°F to +140°F) |
| Origin of Manufacture | United States / USA |
⚙️ Product Usage Instructions
🔌 Secure Chassis Mounting: Install and secure the FTA module firmly within the cabinet mounting channel or housing associated with the TDC 3000 process manager architecture, maintaining solid structural and grounding integrity.
🔗 Field Cabling Connection: Connect serial communication cables from field devices using either the DB-25 connector or compression terminals, ensuring EIA-232 cable lengths do not exceed 15 meters (50 feet) and proper shielding is grounded at a single end.
⚡ Power and Status Verification: Confirm that system backplane power rails and node assignments are active, checking module diagnostic LEDs to verify proper handshake signals before initiating polling.
💻 Software Configuration: Configure communication parameters, register mappings, and baud rate selections using the standard TDC 3000 configuration environment to ensure synchronized data exchange.
❓ Frequently Asked Questions (Q&A)
❓ Q1: What is the primary function of the Honeywell 51303932-476 module?
✅ A1: It functions as a single-channel Modbus serial interface FTA that bridges TDC 3000 controller processors with third-party asynchronous serial equipment using RS-232 or RS-485 physical links.
❓ Q2: Does this part number denote a conformally coated and CE-compliant variant?
✅ A2: Yes, the tab number suffix -476 specifies that the module is both CE compliant and conformally coated for enhanced resistance to industrial moisture and chemical contamination.
❓ Q3: How many external devices can be tied to this serial interface module?
✅ A3: On an RS-485 multi-drop configuration, it can typically support up to 15 field devices per serial link.
🔍 Recommended Alternative Series and Models
- Honeywell 51303932-426 (Non-Conformal Coated Version of MC-TSIM12)
- Honeywell MC-TSIM11 (Alternative Serial Interface Module Variant)
- Honeywell 51304362-300 (Associated TDC 3000 IOP Card)
- Honeywell TC-CCR012 (Redundant ControlNet Interface Module)
- Honeywell CC-TAIX01 (Experion Series C 16-Channel HART Analog Input Module)
- Honeywell CC-TDIL11 (Series C 32-Channel Redundant Digital Input IOTA)
- Honeywell ControlEdge C300 Controller Unit
- Honeywell Experion C200 Controller Chassis
- Honeywell TDC 3000 Process Manager (PM) Card
- Honeywell Analytics System 57 Control Cards
