Technical Specifications

• Part Number: 51304362-250 (51304362250)

• Alternate Model: MC‑PSDX02

• Channel Count: 2 isolated serial input channels

• Interface Standards: EIA-232 (RS-232), EIA-422 (RS-422), EIA-485 (RS-485)

• Baud Rate: 300–115.2 kbps (configurable per channel)

• Data Format: 7/8 data bits, 1/2 stop bits, odd/even/no parity

• Signal Isolation: 250Vrms channel-to-channel; 500Vrms field-to-backplane

• Power Supply: 24VDC ±10%, 5–7W typical

• Operating Temperature: -40°C to +70°C

• Storage Temperature: -55°C to +85°C

• Humidity: 5%–95% RH, non-condensing

• Dimensions (H×W×D): 308 × 120 × 35 mm

• Weight: 0.62 kg (1.37 lbs)

• Certifications: CE, UL, RoHS (conformally coated for harsh environments)

Interface & Communication Configuration

• Field Interface: Screw-terminal FTA (MU-TSDM02 / MU-TSDT02 / MU-TSDU02) for direct serial device wiring.

  
• System Interface: Dedicated UCN backplane connector for high-speed controller communication
• Communication Protocol: Honeywell UCN (Universal Control Network), 1Mbps data rate
• Data Handling: Supports ASCII, Modbus RTU, and custom serial protocols (configurable via system software)
• Diagnostics: On-board LEDs for power, run, fault, and communication status; real-time reporting of framing/parity errors and timeouts
• Redundancy: Not supported (single-channel operation only)

Core Functions

1. 2-Channel Serial Data Conversion: Bridges DCS controllers to third-party serial devices via RS-232/422/485.

2. Multi-Protocol Support: Handles ASCII, Modbus RTU, and custom protocols for flexible device integration.

3. Electrical Isolation: Provides 250Vrms channel isolation to suppress noise and ground loops in industrial environments.

4. Comprehensive Diagnostics: Detects and reports communication errors (framing, parity, timeout) for quick troubleshooting.

5. Conformal Coating: Protected against dust, moisture, and chemical vapors for reliable operation in harsh conditions.

6. High-Speed UCN Communication: Transmits serial data to the DCS controller with low latency for real-time process monitoring.

Application Scenarios

• Process Industries: Chemical, petrochemical, oil & gas, power generation, pulp & paper, pharmaceuticals, water treatment.

• Third-Party Device Integration: Connects DCS to PLCs, flow meters, gas analyzers, temperature controllers, and serial printers.

• Legacy System Upgrades: Interfaces older serial devices with modern Honeywell TDC3000/TPS/Experion PKS DCS.

• Data Logging & Printing: Enables DCS to send process data to serial printers or loggers for record-keeping.