Product Overview

The MU‑TDOR12 (51309148‑125) is a high‑performance digital relay output module used in Honeywell’s legacy and modern DCS platforms. It provides isolated relay contacts for switching external loads (valves, motors, alarms, etc.) in process control applications.

Key Specifications

Outputs: 12 channels of SPDT relay outputs

Contact Rating: 120 VAC, up to 5 A per channel (resistive load)

Isolation: Channel‑to‑channel and channel‑to‑bus isolation

Response Time: ≤ 1 ms

Operating Temp: ‑25°C to +60°C

Power: 24 VDC (from DCS backplane)

Communication: UCN (Universal Control Network) interface

Dimensions: ~125 × 85 × 40 mm

Weight: ~0.4 kg

Features

Hot‑swappable: Can be replaced online without system shutdown

LED Status Indicators: Per‑channel and module health LEDs

Fault Detection: Open/short‑circuit monitoring (system‑dependent)

Industrial Grade: Conformal coated, designed for harsh environments

Applications

Process Industries: Oil & gas, petrochemical, power, pulp & paper

Control Functions: On/off valves, motor starters, alarm annunciators, interlocks

System Compatibility: Honeywell TDC3000, TPS, Experion PKS (via legacy I/O)

Market Status