AWT420
Universal 4-wire, dual-input transmitter

The AWT420 transmitter can be used with either analog or digital EZLink sensors for a wide range of applications including drinking water, wastewater, industrial water and power.

Operation simplicity is a key feature of the AWT420 with its powerful, yet intuitive software, advanced self-diagnostics and its unique modular design that enables users to achieve increased efficiency through greater user flexibility, reduced process downtime and simplified maintenance.

With integrated Bluetooth you can securely connect to any iOS or Android device using the EZLink connect app to easily access essential sensor information. From checking your audit logs to downloading the latest software through your smartphone, we are confident that EZLink connect will make your life that little bit easier by providing you with a wealth of information and services to support you wherever and whenever you need it.

• Plug-and-play universal modular design
• 'Easy Setup' menus provide step-by-step guidance
• Multi-level security access prevents unauthorized modification of process control data
• Secure data archiving to an SD card
• Direct connection to your smart device
• HART, Ethernet, PROFIBUS or MODBUS digital communications
• Wall-, panel- or pipe-mountable

 

 

Operation

• Number of sensor inputs
  Up to 2 analog or digital sensors
• Measurement parameters
  pH/ORP, 2-electrode conductivity, 4-electrode conductivity, optical dissolved oxygen, turbidity/suspended solids
• Language
  

  English, German, Italian, Spanish, French, Portuguese, Russian, Turkish, Polish, Chinese

Mechanical data

• Protection:
  IP66 / NEMA 4X
• Dimensions:
  144 × 144 × 99 mm (5.67 × 5.67 × 3.89 in)
• Weight
  Aluminium enclosure: 1.364 kg (2.5 lb)
  Polycarbonate enclosure: 1.0 kg (2.2 lb)

Electrical

• Supply voltage
  100 to 240 V AC ±10 %, 50/60 Hz
  24 V DC (18 min. to 36 max.)
• Power consumption
  <15W

Analog outputs

• 2 standard + 2 optional with analog module

Relay outputs

• 4 standard

Digital input/output

• 1 standard, user-programmable as input or output

Connectivity/Communications (optional)

• Ethernet
• PROFIBUS DP
• MODBUS RTU RS485
• HART

Hazardous area approvals (aluminium enclosure only)

• Hazloc EZLink channels fitted:
  ATEX/IECEx 
  II 3(3) G Ex ic ec NC [ic Gc] IIC T4 Gc
  – 10 ⁰C </ Ta </ + 45 ⁰C, IP66
   
  cULus
  Class I, Div 2, Gps ABCD T4 
  – 10 ⁰C </ Ta </ + 45 ⁰C, IP66

• No Hazloc EZLink channels fitted:
  ATEX/IECEx
  II 3 G Ex ice c Nc IIC T4 Gc
  – 10 ⁰C </ Ta </ + 45 ⁰C, IP66
   
  cULus
  Class I, Div 2, Gps ABCD T4 
  – 10 ⁰C </ Ta </ + 45 ⁰C, IP66
  

Marine Approval

• Lloyd's Register approved for marine applications (category ENV2)
• Tested according to IACS UR E10, Rev. 7, Oct. 2018

MCERTS
Certificate no. Sira MC220375/00

ABB’s freedom of choice offers the right driver for the major fieldbus protocols suitable for ABB devices. 

The version matrix document shows for each protocol the software revision that’s compatible with the hardware and firmware revision of the device.

• Read first
  – Software/hardware revisions: Version matrix

Software and documentation:

• HART™
  – Software: FDI
  – Driver description: Supplementary information
• PROFIBUS™
  – Software: GSD
  – Driver description: Supplementary information
  

Stand-alone tool:
ABB offers software tools that use the listed drivers above for your device configuration and monitoring requirements. Read more & download

Fieldbus solutions:
ABB offers a wide range of fieldbus products, accessories, tools, support documentation, applications and news. Read more

ABB offer a full range of services to support you and your processes, including:

• Product commissioning
• Maintenance and field services
• Repairs
• Spare parts services
• Training

Explore our comprehensive range of services at Measurement & Analytics service

When it comes to support, you need the right information fast to ensure your process is continually operating at maximum efficiency.

With ABB's EZLink Connect app, users now have access to a wealth of knowledge and supporting information, all on a handheld smart device. Available on the App Store and Google Play for free download. 

From checking your audit logs to downloading the latest software through your smartphone, we are confident that EZLink connect will make your life that little bit easier by providing you with a wealth of information and services to support you wherever and whenever you need it.

• Easily and securely connect to your device to view all measurement, diagnostic and audit data in real time or analyze later in offline mode
• Access the latest software updates and essential sensor information direct through your smartphone
• Keep track of all current and upcoming maintenance tasks and view completed maintenance logs at a glance
• Direct link to current product literature and supporting media

Download ABB EZLink Connect

Log on to the Apple App Store, or Google Play Store to download ABB EZLink Connect for free.