bihl+Wiedemann 1249 - Read_Odi; Wr_74_Param

AS-i/PROFIBUS Gateway PROFIBUS-DP
Subject to reasonable modifications due to technical advances Copyright Bihl+Wiedemann, Printed in Germany
Bihl+Wiedemann GmbH · D-68199 Mannheim · Phone +49-621-339960 · Fax +49-621-3392239 · Internet http://www.bihl-wiedemann.de
issue date 7.1.2002
80
8.3.2.31 READ_ODI
With this call the output data values of all AS-i slaves is read out of the AS-i/
PROFIBUS Gateway.
8.3.2.32 WR_74_PARAM
With tis function the parameter string of a slave according to profil S-7.4 is written.
Because it is possible, that the string is longer than the maibox, first it will be written
into the buffer in parts and then it will be transfered to the slave.
n is the length of the part of the string, that should be written into the buffer from
index i.
If i ≡ 0, then the string is transfered to the slave.
Request
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
156
16
2 T – circuit
Response
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
156
16
2T result
3 – slave 1A
slave 2A slave 3A
……
34 slave 30B slave 31B
Request
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
15A
16
2 T – circuit
3 slave address
4i
5n
6 buffer btye i
……
n+5 buffer byte i+n-1