Table 10 FORM Command Parameters
Measured Parameter
Abbreviation in FORM Command
Dew point/frost point
temperature
Tdf
Dew point/frost point
temperature, converted to
atmospheric pressure
Tdfa
ppm moisture, by volume
H20
Relative humidity
RH
RH is available only if transmitter has been ordered from Vaisala
with a relative humidity output on the analog channel.
Table 11 FORM Command Modifiers
Modifier
Description
x.y
Length modifier (number of digits and decimal places)
#t
Tabulator
#r
Carriage return
#n
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 N/A
• bit2 Fmeas error
• bit3 Flash csum error
SN
Transmitter serial number
STAT
Transmitter status in a one-character field:
• h – sensor heating active
• H – purge active
• A – autocalibration active
Ux
Shows the name of the measurement unit using “x” number of
characters. For example,
U3
shows the name of the measurement
unit with 3 characters
DMT143 User Guide
M211435EN-J
52
Summary of Contents for DRYCAP DMT143
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Page 85: ...Appendix A Modbus Reference 83...
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