TBUP334-1G20-AB10 SCADAPack 334 RTU Unit

Module Feature

TBUP334-1G20-AB10 is SCADAPack 334 dedicated gas flow remote terminal unit.

It integrates high-precision gas flow calculation algorithm for AGA gas measurement standards. It is equipped with multi-channel analog input, digital input and relay output channels. It supports multiple industrial communication protocols including DNP3, Modbus, and is designed for outdoor field installation with wide temperature range. It can collect pressure, temperature and differential flow signal from field transmitters, complete gas volume compensation and custody transfer accumulation. This is a classic field RTU, stocked as maintenance spare for natural gas pipeline, gas metering skid and remote well site.

Working principle

RTU collects 4-20mA signals from pressure transmitter, temperature transmitter and flow sensor.

The built-in gas flow firmware performs real-time pressure and temperature compensation, calculates standard volume flow and cumulative gas quantity according to AGA rules. It uploads flow data, alarm status and meter tags to upper SCADA host via communication bus. It executes channel fault detection, power loss data retention and configurable alarm output. When communication interruption occurs, it continues local flow accumulation.

Onboard components

Main CPU board, analog input circuit, digital input/output relay, real-time clock module, non-volatile data storage, communication interface, local indicator bank and sealed metal housing.

LED indicators

Front LEDs indicate power, RUN, communication link, I/O activity and system fault alarm.

Hardware self‑diagnosis

Built-in supervision detects power undervoltage, AI loop open/short, hardware watchdog failure, communication timeout and internal memory error. Logic configuration and flow calibration are completed by Telepace software.

Programming software

Telepace, used for I/O mapping, gas flow meter configuration, communication parameter setting, totalizer reset and event log reading.

Electrical & Process Parameters

Model:TBUP334-1G20-AB10 Brand:Control Microsystems (Schneider Electric) Device type:SCADAPack 334 gas flow RTU Function:Field signal acquisition, AGA gas flow calculation, cumulative metering and remote communication for natural gas custody transfer

Mechanical & Structure

Mounting:Field cabinet wall mounting Protection class:IP30 Housing:Industrial sealed RTU housing

Environmental

Operating temperature:-40℃ ~ +70℃ Storage temperature:-40℃ ~ +85℃ Ambient humidity:5~95% non‑condensing

Certification:CE Status:Original gas pipeline instrument spare

Installation

Isolate RTU DC power before replacement.

Check 24VDC power wiring, field instrument signal cable and communication bus wiring, configure gas meter parameters and AGA formula, test flow calculation and remote data upload function after commissioning.

Interface

DC power terminal, analog signal terminal block, DI/DO relay terminal, RS485 communication port.

Diagnostic

No flow accumulation: Missing pressure/temperature signal, wrong AGA formula or AI loop fault. Communication offline: Bus polarity reversed, missing terminal resistor or station address conflict. Power loss totalizer reset: Battery failure or non-volatile storage damage.

Product Brief

TBUP334-1G20-AB10 RTU, Control Microsystems SCADAPack334 gas flow remote terminal unit spare for natural gas pipeline custody transfer metering skid replacement.