Varian PTB Turbo V 700 HT 969 9445 Notice D'emploi page 256

17 Technical Information
Optional Serial Port
The command "N", "O", "P", "Q", "R" and "S" are always acknowledged
in any chosen operation mode.
CRC corresponds to the sum (with inverted sign) of all the preceding
bytes.
e.g., the START command "A" in ASCII code = 41;inverted it will be:
FF + 1 - 41 = BF.
Tab. 5
CHARACTER
"A"
CRC
"B"
CRC
"C"
CRC
"D"
CRC
"E"
CRC
256/304
"I" = Request for operating status
"J" = Request for numerical reading
"K" = Request for counters reading.
"L" = Software version
"N" = Print to host serial mode change
"O" = Host to print serial mode change
"P" = Front panel operation mode selection
"Q" = Remote operation mode selection
"R" = RS 232 operation mode selection
"S" + "number" = Baud rate selection
ASCII
41h
-
42h
-
43h
-
44h
-
45h
-
Turbo-V 700HT Controller User Manual / 87-900-877-01 (F)
CONVERTED ASCII FOR CRC CALCULATION
-
BFh
-
BEh
-
BDh
-
BCh
-
BBh