Technical Specifications

• Part Number: 51304427-150 (51304427150)

• Module Type: MC-TDOR22 (Digital Output Relay FTA)

• Channel Configuration: 16 × SPDT relay outputs (independent)

• Contact Rating: 240 VAC / 125 VDC, 5 A resistive per channel (same as -100)

• Isolation: 1500 VAC rms channel‑to‑backplane isolation

• Input Logic: 24 VDC from UCN HPM/APM controller

• Power Supply: 24 VDC ±10%, 1.0 A (backplane‑powered)

• Fuse: 6 A SB (system board fuse, replaceable)

• Operating Temperature: -20°C to +60°C (extended range vs -100)

• Storage Temperature: -40°C to +85°C

• Humidity: 5%–95% RH, non‑condensing

• Dimensions (H×W×D): 307 × 120 × 50 mm (12‑inch size B, same as -100)

• Weight: ~2.1 kg (slightly heavier due to coating)

• Certifications: CE, UL, RoHS (-100 is non‑CE)

• Coating: Conformal coated (protects against dust, moisture, corrosion)

• Status Indicators: 16 channel LEDs + Power/Fault LEDs

• Response Time: ≤10 ms (per relay)

Interface & Communication Configuration

• DCS Interface: UCN backplane via edge connector (1 Mbps, TDC3000/TPS compatible)

• Field Interface: Compression‑type screw terminals (16 channels: common + NC + NO)

• Redundancy: Non‑redundant (same as -100; no dual‑controller input support)

• Diagnostics: On‑board self‑diagnostics with fault reporting to DCS via UCN

• Wiring: Accepts 14–22 AWG stranded copper wire

Core Functions

1. Relay Output Switching: 16 independent SPDT relays for direct control of field loads (valves, pumps, solenoids).

2. Field Termination: Centralizes digital output wiring from DCS IOPs to field devices.

3. Electrical Isolation: Protects DCS from field‑side voltage spikes, noise, and ground loops.

4. Status Monitoring: Per‑channel LEDs for instant visual verification of output state.

5. Harsh Environment Protection: Conformal coating ensures reliability in dusty/humid industrial areas.

Application Scenarios

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

• Field Device Control: On/off control of valves, pumps, fans, motors, and solenoids (≤5 A).

• Alarm Systems: Driving audible/visual alarms for process events.

• Interlock Circuits: Non‑safety interlocks (non‑SIL rated) for process control.

• Harsh Environments: Ideal for outdoor or high‑humidity areas (due to conformal coating).

Key Differences: 51304427-150 vs 51304427-100

Compatibility Note

• Fully pin‑compatible with 51304427-100; direct drop‑in replacement for TDC3000/TPS UCN racks.

• Recommended for new installations or replacements in harsh environments (prefer -150 over -100).