Vaisala DPT146 Guía de usuario descargar pdf (Pagina 48)

User's Guide _______________________________________________________________________

46 ___________________________________________________________________ M211372EN-D

Table 7 FORM Command Parameters

Measured Parameter

Abbreviation in FORM Command

Dewpoint/frost point temperature

Tdf

Dewpoint/frost point temperature,

converted to atmospheric pressure

Tdfa

ppm moisture, by volume

H20

Pressure, absolute

Temperature

Table 8 FORM Command Modifiers

Modifier

Description

x.y

Length modifier (number of digits and decimal places)

Tabulator

Carriage-return

Line feed

String constant, length 1 ... 15 characters

#xxx

ASCII code value (decimal) of a special character;

for example, #027 for ESC

ADDR

Transmitter address (0 ... 255)

ERR

Currently active transmitter errors in a four bit field:

bit0bit1bit2bit3bit4

bit0 T MEAS error

bit1 P out of range error

bit2 Fmeas error

bit3 Flash csum error

Transmitter serial number

TIME

Time since transmitter was started or reset

Shows the name of the measurement unit using “x” number

of characters. For example, U3 shows the name of the

measurement unit with three characters

CS2

Modulus-256 checksum of message sent so far, ASCII

encoded hexadecimal notation

CS4

Modulus-65536 checksum of message sent so far, ASCII

encoded hexadecimal notation

CSX

NMEA xor-checksum of message sent so far, ASCII encoded

hexadecimal notation

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 70 71

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Vaisala DPT146 Guía de usuario Pagina 48

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