Modular RTU Solution

Rugged RTUs for reliable remote field control

Scalable process controllers deliver secure data acquisition and flexible deployment across distributed industrial assets.

An industrial technician wearing safety gear uses a radio and tablet to inspect battery storage modules in a server room.
A technician in high-visibility workwear interacts with a digital control module inside a complex electrical junction box.

Scalable process controllers deliver secure data acquisition and flexible deployment across distributed industrial assets.

Intelligent Automation for Your Most Challenging Remote Operations

Managing distributed industrial assets requires more than basic control systems. You need edge devices that process data locally and operate in extreme conditions. Our modular platforms scale with your operations and support both wired and wireless field instruments. 

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Modular architecture built for fast, flexible deployment

Modular controller design with removable plug-in terminal blocks helps to reduce cabinet assembly time and to simplify field wiring. 
 
• Scalable I/O for multi-well operations 
• Removable and plug-in terminal blocks 
• Field-proven across distributed sites

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Rugged RTU performance for remote and harsh environments

ControlEdge RTU is designed to operate from -40 to 167°F with 1.9W power consumption, enabling solar-powered remote installations. 
 
• Operating range: -40 to 167°F 
• Ultra-low power: 1.9W 
• 20+ years non-volatile memory life 
• Suitable for outdoor deployment

A high-angle view of a modern industrial distribution center featuring complex overhead conveyor belts and organized pallet logistics.

Edge intelligence for smarter field automation

Dual-core ARM processor with 1 ms datalog timestamp resolution enables local data processing and maintains operations during network disruptions. 
 
• Local storage with history backfill 
• 1 ms near real-time clock resolution 

• 1 second to 1 hour configurable logging 
• 20 ms execution cycle

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Integration with Honeywell control and SCADA systems

Built-in HART I/O and ISA100 wireless integration connects field instruments without specialized modules. Together with SCADA products, Honeywell RTUs integrate to solve complex remote automation challenges. 
 
• Native HART I/O support 
• ISA100 wireless without add-on modules 
• SNTP and DNP3 time sync 
• IEC 61131-3 programming

A field technician wearing safety gear connects wiring to industrial electrical equipment during a site installation.

Scalable connectivity for distributed field assets

Remotely manage hundreds to thousands of remote terminal units helps reduce monitoring and diagnostic time and effort. 
 
• 256 MB flash + 32 GB SD card 
• Single configuration tool for wired and wireless I/O  
• Native controller redundancy 
• Flexible network communication

Frequently Asked Questions About Modular RTU Solutions

Modular RTUs excel in distributed oil and gas operations requiring remote monitoring and control. Primary applications include well-head monitoring, gas flow metering with API 21.1/21.2 compliance, block-valve automation, pump and compressor control, data concentration and gas station monitoring. Multi-well operations benefit from scalable I/O and low-power solar operation for cost-effective field automation in remote locations.

Reliability comes from proven hardware and designs with native controller redundancy. Engineering costs drop through rapid deployment toolkits, reusable configuration templates and standardized terminal blocks, reducing installation time. Remote management capabilities help reduce field service visits, while modular expansion supports organic growth without full system replacement or costly redesign.

RTUs connect to Honeywell control systems and third-party SCADA platforms. Built-in HART I/O and ISA100 wireless support multiple instrument vendors without specialized hardware. Field Device Manager provides unified configuration and diagnostics across wired and wireless field devices. IEC 61131-3 programming enables code portability between automation platforms.

Take the next step

Discover how modular RTU architecture delivers reliable field control for your assets.