Honeywell SC-UMIX01 28-Channel Mixed I/O Module ControlEdge RTU

The Honeywell SC-UMIX01 (Part Numbers: 51307547-275 / 51307550-175) is a high-performance Mixed Input/Output (I/O) Module designed for the Honeywell ControlEdge RTU platform and Experion PKS distributed control systems. This versatile module provides 28 configurable channels that support both analog and digital signals, enabling engineers to consolidate field device connectivity into a compact, single-slot form factor.

As part of the ControlEdge RTU ecosystem, the SC-UMIX01 excels in remote monitoring, process automation, and SCADA integration across harsh industrial environments including oil & gas wellheads, pipeline stations, water treatment facilities, and chemical processing plants.

Key Features & Benefits

28 Configurable Mixed I/O Channels – Eliminates the need for separate analog and digital modules, reducing cabinet space and wiring complexity

Flexible Signal Support – Analog Input (4–20 mA, 0–20 mA, 1–5 V, 0–5 V, 0–10 V), Analog Output (4–20 mA, 0–20 mA), Digital Input (dry contact or voltage sensing), Digital Output (sinking or sourcing)

Rugged Industrial Design – Operates reliably in temperatures from -20°C to +60°C (storage down to -40°C), with 5%–95% non-condensing humidity tolerance

Low Power Consumption – Typical power draw of only 2.0 W, ideal for solar-powered remote installations

Hot-Swappable – Supports online replacement without system shutdown, minimizing operational downtime

Comprehensive Protection – Built-in surge protection, ESD protection, overvoltage protection, short-circuit protection, and reverse polarity protection

Global Certifications – CE, UL508, CSA, TUV, and RoHS compliant

Technical Specifications

Parameter Specification

Manufacturer Honeywell

Model Number SC-UMIX01

Part Numbers 51307547-275 / 51307550-175

Product Type Mixed I/O Module

Total Channels 28 Configurable Channels

Analog Input Ranges 4–20 mA, 0–20 mA, 1–5 V, 0–5 V, 0–10 V

Analog Output Ranges 4–20 mA, 0–20 mA

Resolution 16-bit A/D and D/A converters

Rated Input Voltage 24 VDC ±25% (18–30 VDC range)

Power Consumption 2.0 W typical

Operating Temperature -20°C to +60°C (-4°F to +140°F)

Storage Temperature -40°C to +85°C (-40°F to +185°F)

Humidity 5% to 95% non-condensing

Dimensions (L×W×H) 190 mm × 99 mm × 141 mm

Weight 0.6 kg – 0.68 kg (depending on configuration)

Mounting Rack-mounted in ControlEdge RTU chassis

Certifications CE, UL508, CSA, TUV, RoHS

Applications

The Honeywell SC-UMIX01 is widely deployed in the following applications:

Oil & Gas Wellhead Monitoring and Control – Interfaces with pressure transmitters, flow meters, and valve actuators

Remote Terminal Units (RTUs) – Provides mixed I/O for remote monitoring in pump stations and substations

SCADA System Integration – Enables reliable data acquisition and control for supervisory systems

Process Automation – Handles analog and digital I/O for sensors, actuators, and control loops in chemical and manufacturing plants

Water & Wastewater Treatment – Interfaces with level sensors, flow meters, and valve controls in distributed facilities

Gas Flow Measurement – Supports electronic flow measurement (EFM) compliant with API 21.1 and 21.2 standards

Compatibility & System Integration

The SC-UMIX01 is fully compatible with:

Honeywell ControlEdge RTU – The module integrates seamlessly as an expansion I/O module, requiring an IOTA base (e.g., 51307550-175) for installation

Experion PKS – Enables centralized monitoring and control across distributed assets

ISA100 Wireless – The ControlEdge RTU platform supports wireless I/O integration without requiring dedicated modules

Why Choose the Honeywell SC-UMIX01?

Reduce Cabinet Space – 28 mixed I/O channels in a single module eliminate multiple dedicated modules

Simplify Field Wiring – Configurable channels adapt to various signal types without hardware changes

Lower Total Cost of Ownership – Low power consumption reduces solar/battery requirements; rugged design minimizes field maintenance

Future-Ready – Supports HART protocol for intelligent device diagnostics and asset management

Ordering Information

Part Number Description

51307547-275 SC-UMIX01 Mixed I/O Module (28 channels)

51307550-175 SC-UMIX01 IOTA Base (28 bottom terminals for RTU2020)

Frequently Asked Questions (FAQ)

Q: What types of signals does the SC-UMIX01 support?

A: It supports analog inputs (4–20 mA, 0–10 V, etc.), analog outputs (4–20 mA), digital inputs (dry contact/voltage sensing), and digital outputs (sinking/sourcing) across 28 configurable channels.

Q: Is the SC-UMIX01 compatible with the ControlEdge RTU platform?

A: Yes, it is specifically designed for seamless integration with Honeywell ControlEdge RTU systems.

Q: Can the module be used in outdoor or remote installations?

A: Yes, its rugged design (-20°C to +60°C operating temperature, surge/ESD protection) and low power consumption (2.0 W typical) make it ideal for remote, solar-powered field installations.

Q: Does the SC-UMIX01 support hot-swapping?

A: Yes, the module supports hot-swap capability, allowing replacement during system operation without shutting down the RTU.

Q: Is this module still available for purchase?

A: Yes, the SC-UMIX01 is available from Honeywell authorized distributors and industrial automation suppliers worldwide.