INSTRUCTIONS FOR USE
OM 402LC
|
61
8
LEGEND
#
35
23
H
Command beginning
A
A
0…31
Two characters of instrument address
(sent in ASCII - tens and units, e.g. “01“,
“99“ universal
<CR>
13
0D
H
Carriage return
<SP>
32
20
H
Space
N, P
Number and command - command code
D
Data - usually characters “0“…“9“, “-“,
“.“; (D) - dp. and (-) may prolong data
R
30
H
…3F
H
Relay and tare status
!
33
21
H
Positive confi rmation of command (ok)
?
63
3F
H
Negative confi rmation of command
(point)
>
62
3E
H
Beginning of transmitted data
<STX>
2
02
H
Beginning of text
<ETX>
3
03
H
End of text
<SADR>
a60
H
Prompt to send from address
<EADR>
a40
H
Prompt to accept command at address
<ENQ>
5
05
H
Terminate address
<DLE>1
16
49
10
H
31
H
Confi rm correct statement
<NAK>
21
15
H
Confi rm error statement
<BCC>
Check sum -XOR
DATA PROTOCOL
RELAY, TARE
Sign
Relay 1
Relay 2
Tare
Change
relay 3/4
P
0
0
0
0
Q
1
0
0
0
R
0
1
0
0
S
1
1
0
0
T
0
0
1
0
U
1
0
1
0
V
0
1
1
0
W
1
1
1
0
p
0
0
0
1
q
1
0
0
1
r
0
1
0
1
s
1
1
0
1
t
0
0
1
1
u
1
0
1
1
v
0
1
1
1
w
1
1
1
1
Relay status is generated by command #AA6X <CR>.
The instrument immediately returns the value in the
format >HH <CR>, where HH is value in HEX format
and range 00
H
…FF
H
. The lowest bit stands for „Relay
1“, the highest for „Relay 8“
