
3590ET - 3590EGT_Serial_Commands
7
2. 485 Communication
3. Scale instrument answers
To work with 485 protocol set the following parameter in the scale technical setup:
Almost every command, if successfully executed, has its own answer. If the received command is not recognized or has a wrong
format an error answer is sent back from the scale. The following table lists the error answers:
When the 485 mode is selected all the commands and the answers will have the selected address in front of them.
All the commands with a 485 address different from the instrument scale one will be ignored.
Example of a command in 485 communication mode with address equal 01.
Command
ASCII
0
1
C
M
D
1
<CR>
<LF>
Decimal
48
49
67
77
68
49
13
10
Hexadecimal
30
31
43
4D
44
31
0D
0A
Answer
ASCII
0
1
A
N
S
W
1
2
<CR>
<LF>
Decimal
48
49
65
78
83
87
49
50
13
10
Hexadecimal
30
31
41
4e
53
57
31
32
0D
0A
Answer
Description
E
R
R
0
1
<CR>
<LF>
Command format wrong
E
R
R
0
2
<CR>
<LF>
Command parameters error
E
R
R
0
3
<CR>
<LF>
Command not allowed in the scale state
E
R
R
0
4
<CR>
<LF>
Unrecognized command
E
R
R
0
5
<CR>
<LF>
Internal factory use
E
R
R
0
6
<CR>
<LF>
Internal factory use
E
R
R
0
7
<CR>
<LF>
Password protected (related to BASIC application)
Setup parameter
Value
Serial ports
→
Pc port configuration
→
Communication mode
RS485 mode
Serial ports
→
Pc port configuration
→
485 address
485 scale address (0 to 99)
Содержание 3590EGT Series
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