IDL 101
COMMUNICATION
66
HB_IDL101_E_V222.doc
Gantner Instruments Test & Measurement GmbH
char
meaning
length
range
#
start delimiter for request telegram with check sum
1
ASCII "#"
>
start delimiter for response telegram with check sum
1
ASCII ">"
$
start delimiter for request telegram without check sum
1
ASCII "$"
=
start delimiter for response telegram without check sum
1
ASCII "="
<cr>
end delimiter (carriage return)
1
hex 0D
ACK positive
acknowledge
1
hex 06
NAK negative
acknowledge
1
hex 15
aa
destination address
2
ASCII "01".."7F"
cc
check sum
2
ASCII "00".."FF"
kk
variable number
2
ASCII "01".."10"
v..v
device identification
28
ASCII - String
s..s
device information
28
ASCII - String
z..z
status information
12
ASCII - String
b..b
events
21..840 ASCII - String
d..d
variable value
Max. 8
ASCII - String
i..i
Variable information
31
ASCII - String
e
error code
1
ASCII “1”..”3”
t..t
date and time
12
ASCII – String
n..n
measuring rate and averaging interval
7
ASCII – String
a..a
number of events
5
ASCII – String
YYMMDD
hhmmss
Year Month Day Hour Minute Second
12
ASCII – String
Table 10.10 Explanation of command characters in ASCII-protocol
10.2.4. Instruction Parameters
device identification (v...v)
length = 28 char
<vendor name> ..................ASCII ("Gantner_") ..................................... 10 char
<model name>....................ASCII ("IDL-101_") ..................................... 8 char
<HW version>.....................ASCII ("xy.yy") ........................................... 5 char
<SW version> .....................ASCII ("xy.yy") ........................................... 5 char
x ... “M“ : monitor program
x ... “T“ : calibration and test prog.
x ... “U“ : universal programm
x ... “A“ : application specific prog.
y.yy
: version
x ... “R“ : MODBUS-RTU program
device information (s...s)
length = 28 char
<location> ..........................ASCII .......................................................... 20 char
<serial number>..................ASCII .......................................................... 6 char
<number of variables>.........ASCII .......................................................... 2 char