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Varec 8810 RTU

Multi-Protocol Tank Gauging RTU

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Varec 8810 RTU

The Varec® 8810 Remote Terminal Unit (RTU) is designed for terminal operators, refinery engineers, inventory managers, and EPC teams that need to aggregate tank gauge data from mixed-manufacturer field fleets and publish it securely to SCADA, FuelsManager®, and enterprise inventory systems from a single installation point.

Unlike single-protocol gateways or protocol converters that each handle one gauge family, the 8810 RTU normalizes Honeywell Enraf GPU/BPM, L&J Tankway, Varec Mark/Space, Veeder-Root/Ronan serial, Endress+Hauser serial, Hectronic HLS, Emerson/SAAB Frequency Shift Keying, digital I/O, and analog inputs simultaneously on a single modular chassis.

A modular architecture supports up to six swappable interface modules per unit, delivering up to 24 communication channels and up to 400 tanks per RTU with native OPC UA (X.509 certificate encryption), Modbus TCP/RTU, and Modbus over TCP for host integration. Activity-based intelligent scanning prioritizes active tanks, and native API-standard tank volume, density, and weight calculations support redundant level and temperature sources.

The browser-based VeRTUe configuration environment delivers online and offline setup, remote firmware updates, and diagnostics from any networked workstation. ANSI/IEEE surge protection and US, Canada, IECEE, and CE approvals round out the platform for large terminals, pipeline stations, refineries, and defense fuel facilities.

Varec 8810 RTU
Varec 8810 RTU
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Features

Modular Multi-Protocol Chassis

Up to six interchangeable modules — Serial (RS-232/RS-485), GPU/BPM, Mark/Space, Tankway, Digital I/O, Analog Input, FSK — consolidate field protocols under one platform.

Native OPC UA Integration

An embedded OPC UA server with X.509 certificate encryption publishes near-real-time tank data to SCADA, HMI, and enterprise systems across shared or public networks.

400-Tank Scale Capacity

Up to 24 communication channels and 400 tanks per RTU minimize field units at large facilities and simplify enterprise-scale inventory management.

Browser-Based Configuration

The VeRTUe web interface supports online and offline configuration, remote firmware updates, file transfers, and diagnostics from any networked workstation — no field trip.

Redundant Sources and Networks

Dual Ethernet ports and native API volume, density, and weight calculations switch automatically to a secondary level or temperature source when the primary fails.

Surge Protection and Approvals

Built-in surge protection per ANSI/IEEE on all field connections plus US, Canada, IECEE, and CE approvals protect mission-critical communications at the tank farm.

Applications

  • Terminal Inventory Automation: Aggregates tank level, temperature, and status across all gauge types into a unified FuelsManager® inventory picture for batch management and custody-transfer operations.
  • Pipeline and Refinery Monitoring: Centralizes level, temperature, pressure, and alarm data from diverse field instruments across a large facility, feeding SCADA for real-time operational visibility.
  • Defense Fuel Operations: Connects both modern and legacy gauges at military fuel sites to maintain mission-critical inventory visibility across globally distributed facilities.
  • Legacy System Modernization: Bridges older instruments — Enraf BPM, L&J Tankway, Veeder-Root TLS, Mark/Space — to modern OPC UA / Modbus TCP hosts without replacing tank-side equipment.
  • Multi-Manufacturer Gauge Integration: Normalizes Honeywell, Emerson, Varec, L&J, Endress+Hauser, Veeder-Root, Ronan, and Hectronic gauges on one chassis, removing the need for separate gateways per protocol family.
  • Secure Enterprise Data Exchange: X.509 certificate-based OPC UA encryption and dual-network redundancy keep tank data flowing between the field and the enterprise across shared or public networks.
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Specifications

Parameter

Specification

Host Communications

OPC UA (X.509 certificates); Modbus TCP/RTU; Modbus over TCP

Capacity

Up to 24 channels and 400 tanks per RTU

Field Protocols

Honeywell Enraf GPU/BPM, Varec Mark/Space, L&J Tankway, Veeder-Root TLS, Hectronic HLS, Emerson/SAAB FSK, Modbus Master/Slave, Endress+Hauser serial, Ronan serial

Module Slots

Six swappable slots: Serial (RS-232/RS-485), GPU/BPM, Mark/Space, Tankway, Digital I/O, Analog Input, FSK

I/O Capabilities

Configurable DI/DO; 4–20 mA and 0–5 V analog inputs

Scanning & Diagnostics

Activity-based intelligent scanning; onboard diagnostics; LED indicators per module and channel

Tank Calculations

Native API-standard tank volume, density, and weight calculations with redundant level/temperature source fallback

Configuration Tools

Browser-based VeRTUe for online/offline config, firmware updates, file transfers, diagnostics

Network

Dual Ethernet ports; simultaneous OPC UA and Modbus TCP

Surge Protection

ANSI/IEEE on all field connections

Approvals

Certified for US, Canada, IECEE, and CE requirements

Host Integration

FuelsManager®, SCADA, HMI, enterprise inventory systems

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If you have questions not covered here, please contact the Cognesense support team for assistance.

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How many tanks and channels can a single 8810 RTU support?

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Up to 400 tanks and 24 communication channels per RTU, depending on module configuration and gauge type mix. At large facilities that capacity minimizes the number of RTUs needed for complete tank-farm coverage.

Which add-on modules are available?

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Serial (RS-232/RS-485), GPU Bi-Phase Mark, Mark/Space, Tankway, Digital I/O, Analog Input, and FSK — up to six modules per unit in any combination.

Does the 8810 RTU include OPC UA?

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Yes. A fully embedded OPC UA server with X.509 certificate-based encryption communicates with SCADA, HMI, and enterprise inventory systems, including FuelsManager®, over secure or public networks.

What configuration tools are included?

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The browser-based VeRTUe application supports online and offline configuration, diagnostics, remote firmware updates, and file transfers from any workstation on the network.

Is the 8810 RTU suitable for legacy system upgrades?

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Yes. Multi-protocol module support and serial compatibility allow existing Enraf BPM, L&J Tankway, Varec Mark/Space, and Veeder-Root TLS instruments to feed modern OPC UA and Modbus TCP host architectures without replacing tank-side equipment.

How does the 8810 RTU support redundancy?

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Dual Ethernet ports support simultaneous OPC UA and Modbus TCP connections, and the native API tank-volume calculations switch automatically from the primary to the secondary level or temperature source on primary-source failure.

Is the 8810 RTU certified for global deployment?

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The 8810 is certified to US, Canada, IECEE, and CE requirements, with ANSI/IEEE surge protection on all field connections for mission-critical installations.

How does the 8810 RTU differ from the 9810 miniRTU?

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The 8810 RTU is the high-capacity chassis for large terminals — up to 400 tanks, six module slots, OPC UA and Modbus TCP, dual Ethernet. The Varec 9810 miniRTU is the compact counterpart for smaller sites, satellites, or single-tank roll-outs where the full 8810 chassis exceeds the requirement. Both feed FuelsManager® and SCADA.

Summary

With over a century of tank gauging heritage, Cognesense brings the Varec 8810 RTU to terminals, pipeline stations, refineries, and defense fuel facilities that need a single, secure integration point for mixed-manufacturer gauge fleets. Six swappable interface modules, up to 400 tanks per unit, native OPC UA with X.509 encryption, Modbus TCP/RTU, activity-based scanning, API-standard volume calculations, and the browser-based VeRTUe environment make it the backbone for large-scale inventory automation and SCADA integration — trusted wherever you need to measure, monitor, and protect what matters most.

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