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Tankvision Inventory management Gauge Link NXA20

Acquires data from non Endress+Hauser field instruments and converts it to Modbus

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Tankvision Inventory management Gauge Link NXA20

Acquires data from non Endress+Hauser field instruments and converts it to Modbus

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Benefits

  • Legacy protocol management
  • Step-by-step site upgrade
  • Higher system availability
FLEXible answers to individual needs
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Tankvision Inventory management Gauge Link NXA20

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  • Specialized products
  • Designed for demanding applications

What is FLEX?

FLEX selections
Technical excellence
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Fundamental selection Meet your basic measurement needs
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Lean selection Handle your core processes easily
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Extended selection Optimize your processes with innovative technologies
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Xpert selection Master your most challenging applications
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Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

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Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

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My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

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Product information

Tankvision NXA20 - Inventory management
Inventory management - Tankvision NXA20
Specifications
Measuring / Application task Fieldbus components
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Description

Gauge Link NXA20 scans parameters from tank gauges with TRL/2 protocol from Emerson Rosemount or BPM protocol from Honeywell Enraf and converts the signal to Modbus RS485 as one part of Tankvision, which is a dedicated tank inventory system. For a step-by-step site upgrade, the Tankvision Gauge Link together with the Tankvision Tank Scanner allows legacy protocol management as well as gradual upgrades for more flexibility. It is ideally suited for small depots as well as bigger tank farms.

Field of application

Scans parameters from tank gauges. Suited for tank farms with various protocols used for communicating with the installed field devices.

  • Provides data to the Tank Scanner NXA820 via Modbus
  • Ambient temperature: -40 to +60°C (-40 to +140°F)
Benefits
  • Legacy protocol management
  • Step-by-step site upgrade
  • Higher system availability
Downloads
Most downloaded
Technical Information (TI)
TI Tankvision Gauge Link NXA20 Tank Gauging
English version - 07/2025
Download
Operating Instruction (BA)
Modbus Map Protocol - Enraf BPM / Emerson TRL/2 to RS485 Modbus Modbus Map Protocol - Enraf BPM / Emerson TRL/2 to RS485 Modbus
English version - 12/2014
Download
Operating Instruction (BA)
BA Tankvision Gauge Link NXA20 Tank Gauging
English version - 07/2025
Download
The CAD Drawings will be available after the configuration.
All downloads
13 Downloads
Technical Information (TI)
TI Tankvision Gauge Link NXA20 Tank Gauging
English version - 07/2025
Download
Operating Instruction (BA)
Modbus Map Protocol - Enraf BPM / Emerson TRL/2 to RS485 Modbus Modbus Map Protocol - Enraf BPM / Emerson TRL/2 to RS485 Modbus
English version - 12/2014
Download
Operating Instruction (BA)
BA Tankvision Gauge Link NXA20 Tank Gauging
English version - 07/2025
Download
Installation Instructions (EA)
Electronics basic version and PC boards Installation Instructions Prosonic S FMU9x; Tankvision NXA20, NXA82x
English version - 04/2017
Download
ZE (Certificate)
Tankvision Gauge Link NXA20 NMi Test certificate
TC8730, revision 0
English version - 07/2016
Download
Special Documentation (SD)
Tankvision Gauge Link NXA20 Special Documentation Technical documentation resources information
English version - 10/2017
Download
Manufacturer Declaration
Product family: Cerabar, Cerabar M, Cerabar S, Ceraphant, Deltabar, Deltabar M, Deltabar S, Deltapilot M, Fieldgate, Gammapilot, Lev elflex, Liquicap M, Liquicap T, Liquiphant, Liquiphant FailSafe, Liquiphant M, Liquipoint, Liquipoint T, Liquitrend, Micropilot, Mic ropilot S, Minicap, Fermentation monitor, Prosonic M, Prosonic S, Prosonic T, Solicap M, Solicap S, Soliphant M, Soliphant T, Spare parts level, Strahlenschutzbehälter, System & Gauging, Tankvision, Waterpilot Product root: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FHX40-, FHX50-, FHX50B-, FMB50-, FMB51-, FMB52-, FMB53-, FMD71-, FMD7
2-, FMD77-, FMD78-, FMG50-, FMI21-, FMI51-, FMI52-, FMP50-, FMP51-, FMP52-, FMP53-, FMP54-, FMP55-, FMP56-, FMP57-, FMR10-, FMR10B-,
FMR20-, FMR20B-, FMR30B-, FMR43-, FMR50-, FMR51-, FMR52-, FMR53-, FMR532-, FMR54-, FMR540-, FMR56-, FMR57-, FMR60B-, FMR62B-, FMR63
B-, FMR66B-, FMR67B-, FMU30-, FMU40-, FMU41-, FMU42-, FMU44-, FMX11-, FMX21-, FTC260-, FTC262-, FTI51-, FTI52-, FTI55-, FTI56-, FTI7
7-, FTL31-, FTL33-, FTL41-, FTL43-, FTL50H-, FTL51B-, FTL51H-, FTL62-, FTL63-, FTL64-, FTL80-, FTL81-, FTL85-, FTM20-, FTM21-, FTM50
-, FTM51-, FTM52-, FTW23-, FTW31-, FTW32-, FTW33-, FWR30-, NMR81-, NMR84-, NMS80-, NMS81-, NMS83-, NMT532-, NMT539-
English version - 03/2025
Download
Manufacturer Declaration
Product family: Tankvision Product root: NXA20-
Declaration number: HE_00960_01.18
Manufacturer specification: RoHS
Additional information: China-RoHS
Chinese version - 03/2018
Download
UK Conformity Assessed
Product family: Tankvision Productroot: NXA20-
Declaration number: UK_00286_01.21
English version - 07/2021
Download
Miscellaneous
Product family: Tankvision Product root: NXA20-, NXA822-, NXA83-, NXA83B-
Region: Eurasian Economic Union
Approval agency: EAC
Approval number: TR CU 020/2011, TR CU 004/2011
Russian version - 10/2024
Download
Metrology
Product family: Tankvision Product root: NXA20-, NXA820-, NXA821-
Region: Europe
Approval agency: PTB
English version - 05/2018
Download
Metrology
Product family: Micropilot S, System & Gauging, Tankvision Product root: FMR532-, FMR540-, NMR81-, NMR84-, NMS80-, NMS81-, NMS83-, NMT532-, NMT539-, NMT81-, NRF81-, NXA20-, NXA820-, NXA821-,
NXA822-, NXA83B-, NXA85-, NXA86B-
Region: Uzbekistan
Approval agency: UZS
Approval number: 02-2.0098
Metrology type: Metrology
Russian version - 02/2022
Download
Metrology
Product family: Tankvision Productroot: NXA20-, NXA820-, NXA821-, NXA822-, NXA85-
Region: Azerbaijan
Approval agency: AzMI
Approval number: 003006
Metrology type: Metrology
03/2022
Download

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PC board power supply AC

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Order code 71354876
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Tankvision NXA20 - Inventory management
Inventory management - Tankvision NXA20

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Spare parts and accessories

further parts
further parts

PC board power supply AC

further parts
further parts
Order code 71354876
Spare parts and accessories