Vaisala PTB220 User Manual download pdf (Page 75)

CHAPTER 8____________________________________________SELF-TESTING AND PROBLEM HANDLING

VAISALA _________________________________________________________________________ 69

C n Listing transducer coefficients

C n <cr>

where n = number of the pressure transducer (1, 2 or 3)

The C n command is used to list all internal coefficients of a

transducer. These coefficients are for factory use only and they cannot

be changed by the user. For transducer P1, the listing looks as follows:

>c 1 <cr>

Y03 : 6408

Yp : 18400 0

Xp : 929 5283

Zp: 000

R: 25

A0 : 32501 120 118 -3 120

A1 : -12947 -96 175 11 0

A2 : -1538 -3 58 0

A3 : -147 -1 0

A4 : -18 0

A5 : 0

Offset : 0

Gain : 0

Zero : 0

Yt : 10000 0

Xt : 0 0

Zt : 4197 498 0

Rt : 4

A0 : 5104 32446 5288 0 0 0

Offset : 0

Gain : 0

Low : 500

High : 1100

For transducers P2 and P3, the listings can be obtained in a similar

way.

PTEST Testing pulse output mode

PTEST <cr>

The PTEST command is used to test the operation of pulse output

mode.

The PTEST command outputs the pressure reading or some other user

defined pressure reading in the form of a pulse output. The pulses

come out soon after the PTEST command is given to the barometer.

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Vaisala PTB220 User Manual Page 75