Agilent Technologies Turbo-V 81-AG Bedienungshandbuch Seite 232

17 Technical Information
Controller Connection
Allowed ASCII characters:











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. 6
CHARACTER
"A"
CRC
"B"
CRC
"C"
CRC
"D"
CRC
"E"
CRC
232/306
"A" = START
"B" = STOP
"C" = Low Speed ON
"D" = Low Speed OFF
"E" = Request for operational parameters
"F" = Pump times zeroing
"G" = Parameters reading
"H" = Parameters writing
"I" = Request for operating status
"J" = Request for numerical reading
"K" = Request for counters reading.
ASCII
41h
-
42h
-
43h
-
44h
-
45h
-
Turbo-V 81-AG Rack Controller User Manual / 87-900-986-01
CONVERTED ASCII
FOR CRC CALCULATION
-
BFh
-
BEh
-
BDh
-
BCh
-
BBh
(I)