Technical Specifications

• Part Number: 51304584‑300 (51304584300)

• Alternative ID: EPDGP I/O Card, EXCH IO Board, Peripheral Gateway Interface Module

• Module Type: Peripheral Gateway I/O Interface (EPDGP/EPDG2 Compatible)

• System Compatibility: Honeywell TDC3000 / TPS (LCN network, EPDGP/EPDG2 gateway nodes)

• Processor: On‑board 16‑bit microcontroller (hardened ESD/EMI protection)

• Memory: 128 KB RAM, 256 KB Flash (firmware, field‑upgradable)

• Host Interface: LCN (1 Mbps, electrical, BNC 75Ω)

• Peripheral Interface: 3 × DB‑25 ports (RS‑232/RS‑485 software‑configurable)

• I/O Channels: 16 digital points (8DI/8DO, fully isolated, 24 VDC field‑side)

• Output Type: Solid‑state transistor outputs (300 mA max per channel, short‑circuit protected)

• Isolation: 1500 VAC (channel‑to‑backplane), 3000 VAC surge immunity

• Power: 5 VDC ±5%, 450 mA (from backplane)

• Power Consumption: ~2.25 W

• Operating Temperature: ‑40°C to +85°C (full industrial range)

• Storage Temperature: ‑40°C to +85°C

• Humidity: 5%–95% RH, non‑condensing

• Dimensions (H×W×D): 178 × 127 × 25 mm

• Weight: ~0.25 kg

• Coating: Conformal coated (harsh environment grade, chemical/solvent resistant)

• Certifications: CE, RoHS, UL 508, CSA compliant

• Revisions: Common Rev H (hardware/firmware)

• Status: Active (Current Production); direct replacement for 51304584‑100/200.

Interface & Communication Configuration

• Host Interface: LCN electrical (BNC, 75Ω) – connects to TDC3000/TPS LCN network

• Peripheral Ports: 3 × DB‑25 (RS‑232: up to 115.2 kbps; RS‑485: multi‑drop up to 1 Mbps, 32 nodes max)

• Protocol Support: LCN (proprietary); Modbus RTU, ASCII, DF1, Allen‑Bradley DF1, Siemens 3964R

• Diagnostics: 3 on‑board LEDs (Power, LCN Link, Peripheral Comm); remote alarm reporting via LCN; enhanced BIST (built‑in self‑test); fault logging with timestamp

• Hot Swap: Yes (replace without system shutdown; LCN auto‑reconnect in <10 seconds)

• Compatibility: Fully interoperable with EPDGP/EPDG2 gateways; backward compatible with 51304584‑100/200 (drop‑in replacement); works with LCN A/B interface boards (51304542/44 series)

Core Functions

1. EPDGP Gateway Interface: High‑speed I/O and communication hub for EPDGP/EPDG2 peripheral gateways.

2. Protocol Conversion: Translates LCN proprietary protocol to industry‑standard protocols for third‑party PLCs, HMIs, and legacy subsystems.

3. Digital I/O Control: 16 fully isolated digital points (8DI/8DO) for direct interfacing with 24 VDC field devices (sensors, relays, contactors, motor starters).

4. Data Buffering & Routing: 128 KB RAM ensures reliable data transmission during network fluctuations; priority‑based data handling for critical I/O.

5. Extreme Environment Reliability: Full industrial temperature range (‑40°C to +85°C) and 3000 VAC surge immunity protect against electrical noise, voltage spikes, and harsh conditions.

6. Enhanced Diagnostics & Maintenance: Advanced fault logging and BIST reduce downtime; field‑upgradable firmware eliminates need for hardware replacement.

Application Scenarios

• TDC3000/TPS DCS Integration: Connecting third‑party PLCs (Siemens, Allen‑Bradley, Schneider), custom peripherals, or legacy systems via EPDGP/EPDG2 gateways.

• Process Automation: Chemical, petrochemical, oil & gas, power generation, pulp & paper (multi‑vendor system integration in high‑noise, extreme‑temperature areas).

• Harsh Industrial Environments: Freezing (‑40°C) to high‑heat (+85°C) facilities; dusty, humid, or corrosive environments (conformal coated).

• Legacy System Upgrades: Direct, drop‑in replacement for aging 51304584‑100/200 boards in existing TDC3000/TPS installations; no system reconfiguration required.

Compatibility Note

• System Compatibility: Honeywell TDC3000/TPS (requires EPDGP/EPDG2 gateway node; LCN network mandatory)

• Replacement: 51304584‑100 → 51304584‑200 → 51304584‑300 (current production)

• Firmware: Requires TDC3000 firmware Rev 300+ and EPDGP firmware Rev 150+ for full functionality

• Key Differences (100/200/300):

  • 51304584‑100: ‑20°C to +70°C, basic surge protection (1500 VAC)

  • 51304584‑200: ‑25°C to +75°C, enhanced surge protection (2500 VAC)

  • 51304584‑300: ‑40°C to +85°C, maximum surge protection (3000 VAC), chemical‑resistant coating, Rev H firmware.