Honeywell SC-UCMX01 51307198-175 RTU2020 Remote Terminal Unit

The Honeywell SC-UCMX01 51307198-175 is a high-performance Remote Terminal Unit (RTU) from Honeywell's RTU2020 platform. Designed as a modular RTU for distributed automation applications, this controller module excels in harsh industrial environments including oil & gas well monitoring, pipeline automation, water treatment, and remote SCADA systems.

As a central processing module (CPM) within the RTU2020 ecosystem, the SC-UCMX01 integrates data acquisition, logic control, and multi-protocol communication capabilities into a compact, DIN-rail mountable device .

Key Technical Specifications

Specification Detail

Model SC-UCMX01

Part Number 51307198-175

Product Type Remote Terminal Unit (RTU) / Central Processing Module

Series Honeywell RTU2020

Processor 32-bit ARM Cortex CPU / Dual-core 667MHz

RAM 128 MB

Flash Storage 256 MB

Power Supply 24 VDC ±20%

Power Consumption 7.5W (typical), 8.3W (max)

Operating Temperature -40°C to +85°C

Storage Temperature -40°C to +85°C

Protection Rating IP20

Mounting Type DIN rail

Weight 0.4kg (module) / 2kg (shipping)

MTBF ~150,000 hours at 25°C

Onboard I/O Configuration

The SC-UCMX01 features 28 mixed I/O points integrated directly on the module :

I/O Type Quantity Features

Analog Input (HART) 8 4-20mA, HART-enabled

Analog Output (HART) 2 4-20mA, HART-enabled

Digital Input 10 Discrete input

Digital Output 6 Discrete output

High-speed Pulse/DI 2 Pulse counting or digital input

Loop Power Output: Isolated 24V ±5% regulated, max 25mA for loop-powered devices

Communication Capabilities

Communication Ports

2 × Ethernet ports (10/100 Mbps)

4 × Serial ports (RS-232/RS-485 configurable)

Supported Protocols

Protocol Type

Modbus RTU Serial

Modbus TCP Ethernet

DNP3 Serial/Ethernet

Ethernet/IP Industrial Ethernet

PROFINET IO Industrial Ethernet

HART-IP Ethernet

The module can operate simultaneously as a master for local subsystems and as a slave for remote SCADA integration .

Key Features & Benefits

1. Modular & Scalable Design

Part of Honeywell's modular RTU architecture, the SC-UCMX01 supports I/O expansion via IOTA backplanes using modules like SC-UCNN11 and SC-UMIX01, scaling up to 128 I/O channels .

2. HART Protocol Integration

All analog I/O channels include built-in HART support, enabling direct communication with smart field instruments for remote configuration, diagnostics, and asset management .

3. Industrial-Grade Ruggedness

Wide temperature range: -40°C to +85°C for extreme environments

EMI protection: Built-in surge and electromagnetic interference shielding

Watchdog protection: Hardware/software watchdog with overload, short-circuit, and over-voltage protection

4. Low Power Consumption

With typical power draw of only 7.5W, the SC-UCMX01 is ideal for solar-powered and battery-backed remote installations .

5. Energy Management Functionality

Integrated energy management algorithms enable precise monitoring and control of electricity, water, heat, steam, gas, and fuel consumption .

6. Remote Diagnostics & Maintenance

Supports remote programming and debugging via RTU Builder configuration tool, reducing field deployment and maintenance costs .

System Integration

Compatible Platforms

Honeywell Experion® SCADA – Simplified asset configuration and operational efficiency

Honeywell Field Device Manager (FDM) – Centralized HART device management

Third-party SCADA systems – Via standard Modbus/DNP3 protocols

RTU2020 Family Compatibility

The SC-UCMX01 works with the following RTU2020 series components:

SC-UCMX02 – Similar CPM variant

SC-UCNN11 – Expansion I/O module

SC-UMIX01 – 28-point mixed I/O module

SC-TEPR01/TEPL01 – IOTA backplanes (right/left terminal)

SP-EMD150/151/160 – Power supply modules