Tutorials and reference guides for Emerson ROC flow computers and remote automation controllers — ROCLINK 800, ROC800 hardware, AGA-3/7 flow measurement, FST programming, DNP3, Modbus, data archiving, and oilfield pipeline automation.
The Emerson ROC (Remote Operations Controller) family — including the ROC800, ROC300, and FloBoss series — are flow computers and remote automation controllers used for …
The Emerson ROC is a flow computer and remote automation controller family from Emerson Automation Solutions for natural gas measurement, custody transfer, and pipeline SCADA.
Compare Emerson ROC800 and ABB Totalflow XFC for flow measurement — hardware, AGA calculations, programming (FST vs TAS), protocols, SCADA integration, and custody transfer.
Step-by-step guide to installing ROCLINK 800, creating a device connection, and connecting to an ROC800 or FloBoss via serial or Ethernet.
How to navigate ROCLINK 800 — device tree, configuration tabs, FST editor, meter runs, archive viewer, live data monitor, and Compare function.
Complete hardware reference for the Emerson ROC800 — CPU module, I/O expansion, communication ports, power options, and environmental ratings.
How to configure analog inputs, digital I/O, pulse inputs, and temperature inputs on the ROC800 in ROCLINK 800 — module assignment, input type, scaling, and …
Step-by-step AGA-3 orifice meter configuration on the ROC800 — pipe/orifice parameters, input assignments, gas composition, compressibility, and archive setup.
Step-by-step AGA-7 turbine meter configuration on the ROC800 — pulse input, K-factor, meter factor, pressure/temperature compensation, and proving records.
How to write FST (Function Sequence Table) programs on the ROC800 — step-based programming, opcodes, conditional logic, and practical automation examples.
How to scale analog inputs on the ROC800 — 4-20mA to engineering units, Low EU/High EU configuration, wire break detection, and calibration verification.
How to configure DNP3 outstation on the ROC800 — device addressing, data object mapping, unsolicited responses, event classes, and SCADA master integration.
How to configure Modbus RTU and TCP on the ROC800 — slave for SCADA access, master for instrument polling, register mapping, and byte order.
How to configure data archiving on the ROC800 — hourly/daily records, event logs, EFM reports, contract hour, and archive retrieval methods.
How to diagnose ROC800 faults — status LEDs, alarm/event log, measurement alarms, communication failures, zero flow diagnostics, and archive gap analysis.
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