Technical Specifications

Part Number: 51303976400 / 51303976‑400

System: Honeywell TDC 3000, TPS (PM / APM Controllers, UCN Network)

Function: UCN & I/O Link communication, enhanced controller‑to‑I/O interface

Communication Protocols: UCN (1 Mbps), I/O Link (250 kbps)

Channels: 1×UCN port, 2×I/O Link ports (redundant)

Memory: 32 MB flash (vs 8 MB on ‑300)

Processing Speed: 120 MHz

Operating Voltage: 5 VDC (backplane), 24 VDC (field)

Power Consumption: ~5 W

Operating Temperature: 0°C to +60°C

Humidity: 5%–95% non‑condensing

Weight: ~250 g (0.55 lbs)

Dimensions (W×H×D): ~220 × 120 × 30 mm

Key Features

Enhanced Performance: 32 MB flash and 120 MHz processor for larger firmware and faster data handling.

Dual‑Network Support: Simultaneous UCN (controller‑to‑controller) and I/O Link (controller‑to‑I/O) communication.

Redundant I/O Links: Two independent I/O Link ports for fault‑tolerant I/O connectivity.

LED Diagnostics: Status indicators for power, UCN link, I/O Link activity, and faults.

Conformal Coating: Protects against dust, moisture, and vibration in industrial environments.

Hot‑Swappable: Replaceable without shutting down the PM/APM controller.

Applications

Honeywell TDC 3000 / TPS control cabinets (PM/APM controller slots)

UCN network communication between process controllers

I/O Link interface to remote I/O modules (FTA, IOTA)

Critical process industries: power generation, oil & gas, chemical, pulp & paper

Compatible & Related Part Numbers

51303976‑400: Enhanced UCN/PM communication card (this part)

51303976‑300: Standard UCN/PM communication card

51303956‑100: HLAI/STI analog input FTA (I/O Link slave)

51303968‑100: CMOS memory backup assembly (PM/APM)