Protocols for position value output
Leuze electronic
BPS 8
93
TNT
35/7-2
4
V
9.2.3
BPS 8 SM 10x-02 response telegram
The response telegram consists of 8 bytes.
Response telegram structure
Description
Byte no.
Designation
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Status byte
0
D
M
A1
A0
QT1
QT0
OUT
ERR
1
Data byte 1
0
P23
P22
P21
P20
P19
P18
P17
P16
2
Data byte 2
0
P15
P14
P13
P12
P11
P10
P09
P08
3
Data byte 3
0
P07
P06
P05
P04
P03
P02
P01
P00
4
XOR combination
Bitwise exclusive OR combination of bytes 0 to 3
5
Repetition of data byte 1
0
P23
P22
P21
P20
P19
P18
P17
P16
6
Repetition of data byte 2
0
P15
P14
P13
P12
P11
P10
P09
P08
7
Repetition of data byte 3
0
P07
P06
P05
P04
P03
P02
P01
P00
Byte
Bit
Name
Function
Description
0
0
ERR
Internal error
1 = An internal error has occurred
0 = No error exists
1
OUT
Tape error
1 = No bar code decodable
0 = Bar code decodable
2
QT0
Reading quality Q1Q0
00 = Reading quality > 75%
01 = Reading quality 75% … 50%
3
QT1
10 = Reading quality 50% … 25%
11 = Reading quality < 25%
4
A0
Address A1A0 in
RS 485 network
00 = Address 0
01 = Address 1
5
A1
10 = Address 2
11 = Address 3
6
M
Marker data exists
1 = Marker data are in the memory
0 = No marker data in the memory
7
D
Diagnostic data exist
1 = Diagnostic data are present in the memory
0 = No diagnostic data exists
8
–
None
Without function, bit permanently set to zero
1…3
0…8
Data,
P23 … P00
Data
Depending on the request, the data is transferred here; either posi-
tion data, diagnostic data or marker data.
4
0…8
XOR
XOR combination
Bitwise exclusive OR combination of bytes 0 to 3
5…7
0…8
Data,
P23 … P00
Data resend
Depending on the request, the data is transferred here; either posi-
tion data, diagnostic data or marker data.
