Hexagon TT20 Mode D'emploi page 77

8.4.2 Size of output signals for different types of classes
The signals are always sent in units of 48 bits, equal to how many classes are selected.
The data transfer passes as follows: first the zero-bits, the X classes «Within tolerance»,
«Rework» (yellow) and «Reject» (red).
Nb classes Nb classes
5 RJ12435 0 00000000 00000000 00000000 00000000 00000000
10 RJ124356 7890 0000 00000000 00000000 00000000 00000000
20 RJ124356 78901234 567890 00 00000000 00000000 00000000
40 RJ124356 78901234 56789012 34567890 12345678 90 000000
bit 48
8.4.3 Example of diagram
Electric way map, type of shifts 74HC595 – Number of chosen classes = 10.
The bit of the chosen class, changes from 0 to 1.
Data
RJ1234567890 000000000000000000000000000000000000
Form:
48 e th bit
48 bit
envoyé
sent
Strobe
Clock
SCK RCK
DATA
SER
G
Q
A
LSB
R J 1
Vcc
The circuit for 5, 10, 20 and 40 classes can be provided against request.
76
5 10
SCLR
Q'
H
74HC595
Q
H
MSB
2 3 4 5 6
ULN 2803
20
SCK
RCK
SER
74HC595
G
Q
A
7 8 9 10
ULN 2803
40
bit 1
1 st bit
er
1 bit
sent
envoyé
RESET
SCLR
Q'
H
Q
H