What are Plug & Play Smart Sensors?

A Plug & Play Smart Sensor is a Sensor that is compliant to the IEEE 1451.4 Standard. TEDS, or Transducer Electronic Data Sheet, is a set of electronic data in a standardized format defined within the IEEE 1451.4 standard. This data specifies what type of sensor is present, describes its interface, and gives technical information such as sensitivity, bridge type, excitation, etc. This information is stored in an EEPROM chip attached to a sensor. By having this chip, the sensor can identify and describe itself to the network and or Smart Load Cell Meter, thereby easing automatic system configuration. With TEDS you will save time. You can interchange any TEDS sensor without having to program or calibrate the instrument. It's truly Plug & Play.

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What are the advantages of Plug & Play Smart Sensors?

Benefits that can be experienced now include:

• Simplified troubleshooting
• Reduced safety risks. It is no longer necessary to
  "climb on machines" for connection verification
• Reduced costs for set-up and tear-down
• No recalibration is needed when replacing sensors
• The data acquisition system can recalibrate itself

Advantages that will be available in the future include:

• Integration with wireless transceivers
• Elimination of large lengths of analog wiring
• Reduced installation, maintenance and upgrade
  costs of measurement and control systems
• The opportunity to add intelligence to sensors

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Can a legacy / non-TEDS sensor be converted to a TEDS "Plug & Play" sensor?

Yes. A legacy / non-TEDS sensor can be converted to a TEDS "Plug & Play" sensor. Transducer Techniques offers a CAL-TEDS service to convert your sensor to a TEDS "Plug & Play" compliant sensor. The service consists of a connector, recalibration and a programmed EEPROM. This will update a legacy / non-TEDS sensor to be capable of plugging into Transducer Techniques IEEE 1451.4 compliant instruments.

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What is Virtual TEDS?

Virtual TEDS is an online library of data sheets developed by National Instruments (www.ni.com) that contain the same information that would be found in an EEPROM TEDS, but exist for sensors not containing the EEPROM. This would define Plug & Play capability for legacy / non-TEDS sensors. As a National Instruments Plug & Play Sensor Partner and a National Instruments Alliance Member, Transducer Techniques has contributed the data for all its sensors to the Virtual TEDS database.

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What parameters are included on a Transducer Techniques TEDS chip?

TEDS Item	Values
Manufacturer ID	Transducer Techniques (ID#42)
Model Number	28
Version Letter	A
Version Number	3
Serial Number	149087
Transducer Electrical Signal Type	Bridge Sensor
Minimum Physical Value	0 lb
Maximum Physical Value	100 lb
Minimum Electrical Value	0 V/V
Maximum Electrical Value	.0024709 V/V
Mapping Method	Linear
Bridge Type	Full
Impedance of Each Bridge Element	350 Ohm
Response Time	.000001 sec
Excitation Level (Nominal)	10 V
Excitation Level (Minimum)	1 V
Excitation Level (Maximum)	12 V
Calibration Date	1/1/2004
Calibration Initials	RAB
Calibration Period (Days)	365 days
Measurement Location ID	0
Users Data	Thank You From TTI