Vaisala HUMICAP HMP155 Guia do Utilizador descarregar pdf (Página 36)

USER'S GUIDE____________________________________________________________________

34 _______________________________________________________________ M210912EN-C

>send

Temperature= 24.23

>form "Twet=" 6.3 tw U3 #t "T=" t U3 #r#n

>send

Twet= 11.290'C T= 24.231'C

>form 5.1 rh #t t #t tdf #r#n

>send

15.6 24.2 -3.1

FORM / command returns the default output format. The default output

format depends on the device configuration. FORM command without

formatter string returns the current output format of the probe.

>form /

>send

RH= 23.8 %RH T= 19.4 'C

Checksums are calculated as described in the equations below.





bcs

256mod

65536mod





bcs

24630'

2463'

'''









iiii

borbifb

bandbifbb

bbbcs



Table 14 Symbols Used in FORM Checksum Equations

Symbol Description

Value of CS2 checksum in the output message.

Value of CS4 checksum in the output message.

Value of CSX checksum in the output message.

Value of the byte at position i (1-based) in the output message.

n Number of bytes in the output message before the CS2, CS4, or

CSX field (including earlier checksum fields, if any).



Bit-wise exclusive-or operator.

Byte value of ASCII $ character.

Byte value of ASCII * character.

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 83 84

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