Chapitre 4 Paramètres
Mode RTU :
Chaque donnée de 8 bits est la combinaison de deux caractères hexadécimaux de 4 bits.
Par exemple, 64 Hex.
2. Format des données
Trame de caractères de 10 bits (pour ASCII):
( 7.N.2)
Start
bit
( 7.E.1)
Start
bit
( 7.O.1)
Start
bit
( 7.N.1)
Start
bit
( 7.E .2)
Start
bit
( 7.O.2)
Start
bit
AUDIN - 8, avenue de la malle - 51370 Saint Brice Courcelles
4-114
Tel : 03.26.04.20.21 - Fax : 03.26.04.28.20 - Web : http: www.audin.fr - Email : info@audin.fr
0
1
2
3
7-bit character
10-bit character frame
0
1
2
3
7-bit character
10-bit character frame
0
1
2
3
7-bit character
10-bit char acter frame
0
1
2
3
7-bi t c harac ter
9-bi t charac ter fra me
0
1
2
3
7-bi t charac ter
11-b it c haracter f ra me
0
1
2
3
7-bi t c haracter
11-b it c harac ter f ra me
Stop
4
5
6
bit
Even
4
5
6
parity
Odd
4
5
6
parity
Stop
4
5
6
bit
Even
4
5
6
parity
Odd
4
5
6
parity
ADV50, SW-PW V1.11 / CTL V2.11
Stop
bit
Stop
bit
Stop
bit
Stop
Stop
bit
bit
Stop
Stop
bit
bit