Measurement-computing IOtech 640 Series Instrukcja Użytkownika Pobierz pdf (Strona 96)

C-4 TEDS 928693 Appendix C

The Basic TEDS contains the manufacturer’s identification, model identification, version letter, and the serial

number, which are common to all types of sensors. The Standard TEDS, however, contains data unique to the

sensor’s principle of operation. For instance, a piezoelectric accelerometer differs from a strain gage load cell, so the

Standard TEDS EEPROM contains some common and some unique information. Both sensor TEDS list Calibration

Date, Measurement Range, and Electrical Output, but they differ in as many as 12 other parameters. The

accelerometer has 6 parameters that the strain gage lacks, and the strain gage has 6 parameters the accelerometer

lacks. The User Area contains information such as Sensor Location, Calibration Due Date, and Calibration Table.

TEDS Configuration: Accelerometer

Basic TEDS Manufacturer ID 25

Model ID 5226

Version Letter A

Serial Number 11521S

Standard TEDS Calibration Date Jan. 6, 2004

(Subtemplate) Sensitivity @ Reference 1.12E+03 mV/g

Reference Frequency 110.0 Hz

Reference Temperature 25˚C

Measurement Range ±50 g

Electrical Output ±5 V

Quality Factor

Temperature Coefficient -0.27%/˚C

Direction (X, Y, Z) X

User Area Sensor Location Matrix A: B-3

Calibration Due Date Jun. 15, 2004

Fig. C.04. Table 2. Example for an Accelerometer.

TEDS Configuration: Strain-Gage Load Ce

Basic TEDS Manufacturer ID 56

Model ID 350A

Version Letter E

Serial Number 150-00878T

Standard TEDS Calibration Date Mar. 15, 2004

Measurement Range ±250 lb

Electrical Output ±5 mV/V

Bridge Impedance 500 Ω

Measurement Range ±75 g

Excitation, Nominal 24 Vdc

Excitation, Minimum 10 Vdc

Excitation, Maximum

Response Time

Calibration TEDS Calibration Table -2.06 mV/V, -150 lb

-1.02 mV/V, -75 lb

0.03 mV/V, 0 lb

0.95 mV/V, 75 lb

1.89 mV/V, 150 lb

User Area Sensor Location L23-3

Calibration Due Date Jun. 15, 2004

Fig. C.04. Table 3. Example for a Strain-Gage Load Cell.

1 2 ... 91 92 93 94 95 96 97 98 99 100

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