Varian Turbo-V 550 Mode D'emploi page 66

<DATA> = alphanumeric ASCII string
containing, in the case of writing
operation,the parameter to input
into the window addressed by
the field <WINDOW>This field
may have variable length
according to the data type
contained in the window where
you are working in. In the case of
reading request of a window, the
data field doesn't exist.
<ETX>= 0x03
<CRC>= XOR among all the characters
following <STX>=(with
exception of <STX>), including
the end character <ETX>
hexadecimally encoded by two
ASCII characters.
When a slave device is addressed by the master:
1) In case of reading request of the value contained in
a window, the slave answers a string equal to the
one sent by the master but in addition there is the
field <DATA> containing the value of the window.
The format of the field <DATA> depends to the
window type.
The different types are:
Length
Logic (L) 1
Numeric (N) 6
Alphanumeric (A) max 10
Characters
Permitted
'0'=OFF
'1'=ON
'0'...'9'
(Justifield to the right
with '0')
' '...'_'
EXAMPLES:
Command : START
Source : PC
Destination : Inverter
02 80 30
STX ADDR WINDOW
Source : Inverter
Destination : PC
02 80 06
STX ADDR ACK
Command : STOP
Source : PC
Destination : Inverter
02 80 30
STX ADDR WINDOW
Source : Inverter
Destination : PC
02 80 06
STX ADDR ACK
Command : SOFT-START (ON)
Source : PC
Destination : Inverter
02 80 31
STX ADDR WINDOW
Source : Inverter
Destination : PC
02 80 06
STX ADDR ACK
Command : SOFT-START (OFF)
Source : PC
Destination : Inverter
02 80 31
STX ADDR WINDOW
60
TECHNICAL INFORMATION
03
30 30 31 31
WR ON ETX
03 38 35
ETX CRC
03
30 30 31 30
WR OF ETX
F
03 38 35
ETX CRC
30 30 31 31 03
WR ON ETX
03 38 35
ETX CRC
30 30 31 30 03
WR OF ETX
F
87-900-885-01 (B)
42 33
CRC
42 32
CRC
42 32
CRC
42 33
CRC