Vaisala PTB330 User Manual
Page 73
Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 71
Table 12
FORM Modifiers
Modifier Description
/
Restores the default output message (depends on the
device configuration). Used alone.
??
Displays list of supported parameters. Used alone.
0.0
Revert back to the default number format per each quantity.
x.y
Length modifier (number of digits and decimal places).
quantity
Quantity value or * characters if not available.
U
Unit symbol as it is (width depends).
U1…U9
Unit symbol in the specified number of characters (truncated
or space filled as necessary).
“xxx”
String constant (free text).
#N
\N
Line feed character <0x0A>.
#R
\R
Carriage return character. <0x0D>.
#RN
\RN
Carriage return and line feed characters. <0x0D><0x0A>.
#T
\T
Horizontal tabulator character <0x09>.
#0…#255
\0…\255
Data byte with the specified decimal value.
ADDR
Device address (left-filled with spaces).
CS2
Modulus-256 checksum of message sent so far,
hexadecimal format.
CS4
Modulus-65536 checksum of message sent so far,
hexadecimal format.
CSX
NMEA XOR checksum of message sent so far, hexadecimal
format.
DATE
Date in format yyyy-mm-dd.
ERR
Error flags for P
1
, P
2
, and P
3
(if installed, right-filled with
spaces); 0 = no error, 1 = error.
MCTR
Running counter for pressure measurement.
PSTAB
Pressure stability indicator (OK or two spaces), see PSTAB
on page 82.
RDTIME
Time in format hh:mm:ss.ss.
SN Device
serial
number.
TIME
Time in format hh:mm:ss.
Checksums are calculated as described in the equations below.
n
i
i
b
cs
1
2
256
mod
65536
mod
1
4
n
i
i
b
cs
2
4
6
3
0
'
2
4
6
3
'
'
'
'
i
2
1
i
i
i
i
i
i
n
x
b
or
b
if
b
b
and
b
if
b
b
b
b
b
cs