CET Message Dispay AMF401, Manual

Page: 11 / 24

CET s.r.l. Parallel Message Display
page 10
2.4.1. Command TYPE 3: Address in BCD code
Inputs SY D C B A
Command TYPE 3 IMP 0 0 1 1
This code informs the display unit that the first 8 inputs represent the position address (0 to 80) in BCD code
where the next variable will be laid.
D8 D7 D6 D5 D4 D3 D2 D1 D0
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
3
rd
2
nd
1
st
3
rd
DIGIT 2
nd
DIGIT 1
st
DIGIT
Number in the range 0 to 199
2.4.2. Command TYPE 4: Address in BINARY code
Inputs SY D C B A
Command TYPE 4 IMP 0 1 0 0
This code informs the display unit that the first 8 inputs represent the position address (0 to 80) in BINARY code
where the next variable will be laid.
D8 D7 D6 D5 D4 D3 D2 D1 D0
- -
2
6
2
5
2
4
2
3
2
2
2
1
2
0
Number in BINARY code in the range 0 to 80
Coding and number are always read at the variation 0 1 of the synchronism signal SY.
2.4.3. Command TYPE 2: Variable in BCD code
Inputs SY D C B A
Command TYPE 2 IMP 0 0 1 0