AS-Interface
Command Interface
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group · Tel.: Germany (6 21) 7 76-0 · USA (3 30) 4 25 35 55 · Singapore 7 79 90 91 · Internet http://www.pepperl-fuchs.com
Issue date - 21.12.2005
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8.2.1.2 Read 1 16-bit-Slave in Data (RD_7X_IN)
With this command, the four 16 bit channels of an AS-i input slave according to the
slave profile (S-7.3, S-7.4, S-7.5, S-7.A.8, S.A.9, S-7.A.A) can be read.
8.2.1.3 Write 1 16-bit-Slave out Data (WR_7X_OUT)
With this command, the four 16 bit channels of an AS-i output slave according to
the slave profile (S-7.3, S-7.4, S-7.5, S-7.A.8, S.A.9, S-7.A.A) can be written.
A-Slaves map the data on channels 1 and 2.
B-Slaves map the data on channels 3 and 4.
As a slave address can only values among 1 and 31 be taken.
Request
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 50
16
2 T – circuit
3 – 0 slave address
Response
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 50
16
2 T result
3 channel 1, high byte
… …
10 channel 4, low byte
Request
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 51
16
2 T – circuit
3 – 0 slave address
4 channel 1, high byte
… …
11 channel 4, low byte
Response
byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 51
16
2 T result
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