FloBoss S600+ Flow Computer | Emerson Custody Transfer & Fiscal Measurement

Overview

The Emerson FloBoss S600+ Flow Computer is a next-generation, panel-mount fiscal flow computer engineered for custody transfer, fiscal metering, and complex pipeline measurement. It delivers industry-leading accuracy, broad standards coverage, and the flexibility to handle both liquid and gas hydrocarbons across upstream, midstream, and downstream. With a robust CPU architecture, reliable I/O, and seamless integration to SCADA/DCS/PLC systems, the S600+ has become the benchmark platform for mission-critical metering where auditability, uptime, and defensible totals are non-negotiable.

Technical Specifications

Key Features

• Multi-Stream & Multi-Station: Supports up to 10 metering streams (configurable) with dual-station capability for simultaneous liquid + gas duties—ideal for mixed terminals and multi-product pipelines.

• High-Precision Engine: Hardware floating-point processing with 64-bit math; resilient data handling preserves integrity and minimizes measurement uncertainty during proving, batch transitions, and stream switching.

• Wide Meter Compatibility: Works with ultrasonic, turbine, Coriolis, positive displacement, orifice, Annubar, and V-Cone®—a single flow computer for mixed fleets and brownfield upgrades.

• Global Compliance: Aligned to API/ASTM/GPA/NORSOK (liquids) and AGA/ISO/GPA/GERG/GOST (gas) for international custody transfer compliance and audit readiness.

• Industrial Connectivity: Dual Ethernet 10/100, serial RS-232/422/485, USB, Modbus TCP/RTU/ASCII, optional HART—ready for modern OT networks and enterprise data flows.

• Remote Access & Config: Embedded secure web interface plus Config600™ for commissioning, optimization, and migration from legacy S600 projects.

• Advanced Logging & Reports: Granular alarms/events with hourly/daily/monthly reporting for reconciliation and regulatory audits; easy export for corporate reporting systems.

• Built for the Field: Panel-mount design with front LCD + keypad for on-skid visibility; robust operation in demanding environments reduces unplanned downtime.

Applications

• Custody transfer metering skids and LACT units

• Pipeline measurement, balancing, and allocation

• LNG/LPG/NGL fiscal metering and terminal batch loading

• Meter proving (bidirectional/compact provers) with repeatable results

• Wet gas/condensate scenarios requiring resilient algorithms and clean audit trails

Included Components

• CPU Board PN: P152 (x1)

• I/O Board PN: P144 (x1)

• Back Panel Board PN: P155 (x1)

• Front Panel Board with keypad, LCD, and cable (x1)

Technical Snapshot 

• Calculations & Performance: Double-precision math for defendable totals; stable uncertainty budgets during proving and batch changes; fast execution for LogiCalcs and report cycles.

• Networking: Two independent Ethernet ports (segregate SCADA vs engineering), time sync/NTP, and secure remote sessions; straightforward handoff to Modbus gateways/OPC servers.

• Data & Security: Configurable users/roles, audit trails, and export workflows; structured reports (hourly/daily/monthly) simplify fiscal reconciliation and third-party audits.

• Migration/Upgrades: Accepts prior S600 configurations via Config600; extend to today’s cybersecurity and reporting expectations with minimal rework and shorter cutovers.

• Meters & Fluids: One platform across crude/refined products, LPG/LNG, wet gas, and condensate; supports the primary elements most operators already deploy.

Why Choose Emerson FloBoss S600+?

• Proven in Fiscal Duty: Trusted worldwide at metering boundaries where disputes are costly and audits are strict.

• Scalable & Future-Ready: Add streams, stations, or I/O as the site grows—no need to replace the architecture.

• Compliance Confidence: Broad standards coverage reduces project risk and accelerates approvals across regions.

• Integration Without Friction: Plays nicely with PLC/DCS/SCADA; simplifies batch, proving, sampling, reporting, and enterprise handoffs.

• Lifecycle Efficiency: Faster commissioning, simpler MOC, fewer site visits—better total cost of ownership.

Helpful Resources

• Having startup issues? How to Reset FloBoss S600+

• Need wiring/commissioning steps? FloBoss S600 Installation Guide

• Seeing alarms or erratic totals? Troubleshooting FloBoss S600+ 

• Training stakeholders? What is a Flow Computer? 

FloBoss S600+ I/O Modules, Serial Ports and Network Interfaces

Every S600+ leaves the factory with one P144 I/O module carrying a P148 pulse mezzanine daughterboard, and the chassis has two further slots for expansion. A single P144 provides 12 analog inputs, 4 analog outputs, 16 digital inputs, 12 digital outputs, 3 four-wire PRT inputs, 3 frequency/density inputs, 5 pulse outputs and one raw pulse output for a prover bus. The mezzanine adds 2 dual-pulse or 4 single-pulse meter inputs from 1 Hz to 10 kHz, with pulse security monitoring to IP 252/76 (ISO 6551) level A or B.

The optional P154 prover module handles compact, uni-directional, bi-directional, master-meter and dual-chronometry proving with up to 4 sphere switches, and one flow computer can control two provers, though not at the same time. The optional P188 HART module has 12 channels, each usable point-to-point or multi-drop with up to 8 transmitters, to a limit of 50 transmitters per module. It works as primary or secondary master in read-only mode and does not support burst mode, so transmitter constants cannot be changed through it.

For communications the unit has two independent 10/100baseT Ethernet ports running Modbus/TCP or Modbus over Ethernet, two RS-232 ports on RJ45 connectors, three RS-422/RS-485 ports and four 2-wire RS-485 ports on screw terminals, all selectable from 2400 to 57600 baud with ASCII or Modbus ASCII/RTU. A USB 2.0 type A port exports reports and alarm or event logs to a flash drive, and a separate RJ12 port under the front panel is reserved for Config600. Master, slave and peer-to-peer operation are supported.

S600+ Calculation Standards, Metrological Approvals and Installation Data

Emerson states the supported editions explicitly. Gas calculations include AGA3 (1992, 2012), AGA5 (1981), AGA7 (1996), AGA8 (1994 and 2017 Parts 1 and 2, the second part being GERG-2008), AGA10 (2003), ISO 5167 (1991, 1998, 2003), ISO 6976 (1983, 1995, 2016), ISO 12213 parts 2 and 3, GPA 2172 and GPA 2145, plus NX-19, S-GERG and GOST 30319 (2015). Liquid calculations cover API MPMS 11.1 (2004 with the 2007 and 2019 addenda), the 1980 tables, API 11.2.1 and 11.2.2 with their metric versions, API 11.2.4, GPA TP15, TP25 and TP27, and NORSOK I-105 Annex D.

The S600+ holds MID approval under Directive 2014/32/EU for gas (EN 12405-1) and for liquids (OIML R117-1), together with INMETRO approvals. It is a safe-area instrument: the steel case measures 84.5 × 270 × 303.8 mm, fits a 66 × 150 mm panel cutout and is rated IP50 from the front. Supply is 20 to 32 Vdc, with typical consumption of 18 W with one I/O module and 36 W with three. Operating temperature is -10 to +55 °C, and all circuit boards are conformal coated.

Why Choose Seven Star LLC for the FloBoss S600+

A fiscal flow computer like the S600+ is only as trustworthy as the configuration behind it, and Seven Star LLC helps facilities across Oman and the wider GCC get this right before the unit is ever commissioned. Because custody transfer and fiscal metering applications carry real financial and regulatory weight, we confirm which meter types, standards package, and stream configuration your specific application requires before quoting, rather than shipping a generic configuration that leaves your commissioning team to sort out standards compliance after the fact. Where a facility is migrating from a legacy S600 project, we also help plan that transition through Config600 so historical configuration and reporting continuity are preserved rather than rebuilt from scratch.

For operators managing multiple metering skids or terminals across the region, we help plan spares and networking configuration around your actual audit and reporting cycle, so a hardware issue on one stream does not put your custody transfer documentation at risk during a scheduled reconciliation. Our team is also familiar with the common startup and troubleshooting issues that come up during commissioning, and we are glad to walk your team through configuration questions before and after your S600+ is installed, so your measurement program stays defensible and fully audit-ready from day one onward, without any gaps in your documentation.

Request a Quote for FloBoss S600+ Flow Computer | Emerson Custody Transfer & Fiscal Measurement

Ready to make custody transfer more accurate, auditable, and efficient? Click Request a Quote now to receive the official FloBoss S600+ datasheet, recommended Config600 setup notes, and a tailored configuration (meter types, stream counts, reports, networking, and security) for your exact application. For field productivity, keep our Reset, Installation, and Troubleshooting guides handy so your team can commission and maintain the FloBoss S600+ fast and right the first time.

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