PMT TT3 - Rs232 Commands

VAT: NL 80 66 34 984 B01
Bank account no.: Rabobank 16 01 00 046
Chamber of commerce 27 16 95 41
IBAN Code: NL95 RABO
0160100046
T. 31 (0) 10 522 43 73
F. 31 (0) 10 521 19 41
www.tamson.com
info@tamson.com
P.M. Tamson Instruments bv
van 't Hoffstraat 12
2665 JL Bleiswijk
THE NETHERLANDS
Tamson Instruments bv
Page
14
/
22
Thermometer man.docx Rev 1.02 UK “23
9 RS232 commands
Cmd Hex Parameters Reply
ID &h 49 44 0A nnnnn <LF> Returns type
i.e. “RH02”
TV &h 54 56 0A [0] nnn.nnn[C|F] <LF> Read Temperature.
O : if present, omits C/F suffix
i.e. “20.500C”
&h 32 30 2E 30 30 30 43 0A
TV0 &h 54 56 30
0A
i.e. “23.943071363”
&h 32 33 2E 39 34 33 30 37
31 33 36 33 0A
SC &h 53 43 0A week;year;batch Serial Code
week : kalender week
Year : a=0, b=1, c=2, d=3 etc
index : 1..99
i.e. week 18, 2026, #01
“26CG01”
&h 32 36 43 39 30 38
ER aa dd <LF> read eeprom byte. aa = address
(ascii decimal), dd = result (dec)
EW aa,dd OK <LF> write eeprom byte. aa,dd =
address,data (ascii decimal)
RA nnnn <LF> Read raw ADC value. Max =
8388607
i.e. “3855634”
FV 46 56 0A version text <LF> Read firmware version
i.e. “Tamtherm 4.05”
RT 52 54 0A dd:mm:yy,hh:mm:ss To write time to the TT3
i.e. “29/03/2025,00:43:11”
is written as
“29 03 26 00 43 11”
response is "OK"
&h 52 54 32 39 30 33 32 36
30 30 34 33 31 31 0A
Values are not range
-
checked
RT 52 54 0A dd:mm:yy,hh:mm:ss To read time from the TT3
i.e. time is:
“29/03/2025,00:43:11”
TT3 output is
29/03/23,0:52:20
or
&h32 39 2f 33 2f 32 36 2C
39 3A 35 32 3A 32 30 0D
Leading zero
’
s are skipped
in output from TT3