AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0: sensor and output configuration
ABB AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0 is an AWT440 multi-input analytical-transmitter configuration. ABB's datasheet describes capacity for up to four sensors, two standard analog outputs and four standard relay outputs, with further outputs available as options. ABB now directs new selection to the AWT424 successor.
Technical data for identification
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0 |
| Product family | Aztec AWT440 multi-input transmitter |
| Sensor capacity | Up to four compatible sensors |
| Analog outputs | Two standard; two optional in family data |
| Relay outputs | Four standard; two optional in family data |
| Supply | 100–240 V AC family; optional 24 V DC version |
| Lifecycle | ABB states AWT440 has been replaced by AWT424 |
For an instrument, confirm the complete ordered configuration, process limits, wetted materials or sensor interface, output protocol and installed calibration. Family values are a starting point for engineering review.
Commissioning sequence
For AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0, establish a safe starting state, inspect the installed hardware, test the normal operating path and then verify the fault or recovery path before handover.
Field checks and acceptance
Commissioning of AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0 should follow a controlled procedure. Back up configuration and logged data before service. After reconnection, verify sensor recognition, calibration, analog scaling, relay action, display values and host communications against the approved loop documents.
Capture the as-left settings, test points, abnormal-state response and revision of AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0. Include photographs of its nameplate and terminal arrangement so the next service event can be traced.
Order-code and compatibility review
For AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0, Decode every option in the complete designation and compare power supply, sensor modules, analog channels, relay outputs, communications and logging with the installed system. Any AWT424 migration needs a documented sensor and wiring compatibility review.
Before substituting AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0, compare the complete label with the engineering drawing, ABB configuration data, installed accessories and site approval record. A partial designation or a similar enclosure cannot establish interchangeability.
Where this configuration fits
AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0 should be assessed in the actual equipment arrangement. Check the installed sensor technologies, measurement ranges, cleaning or calibration routines and required alarms. A multi-input enclosure can host different process variables, so the exact sensor modules and output assignments matter more than the family name alone.
A request for AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0 should identify the host system, process or motor duty, available supply and the expected normal and fault behavior. This makes the selection review specific to the installed equipment.
Related configuration references
The following AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0 family references are identification aids. Ratings, options and approvals can differ; each complete designation needs its own review.
No additional same-series code is presented for AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0; verify the exact order designation before buying.
Information to send with a replacement inquiry
Provide the exact model AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0, quantity, serial or revision, application conditions, required connection and approval, and a legible nameplate photograph. Ask for confirmation of accessories and any approved successor.
Keep AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0 in the asset register and maintenance record as the exact search phrase. Record who approved the selected device, what was tested and whether the installed configuration differs from the base family specification.
Final engineering decision
Approve AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0 only when the verified ratings and ordered options match the equipment record. Resolve every discrepancy in code, connection, supply, firmware or process limit before energizing the system.
The published family values for AWT440.A.1.A.1.D2.D2.Y2.Y0.Y0 support identification and initial selection. The device nameplate, matching ABB instructions and the site's approved design determine final suitability.
