AS-Interface
Command Interface
Subject to reasonable modifications due to technical advances.
Copyright Fuchs, Printed in Germany
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2007
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10.3.3.3
READ_ACYCLIC_TRANS
With this call the response of the transfer command (started with
WRITE_ACYCLIC_TRANS) is read out.
The first byte in the response buffer indicates the current command.
FF
16
means transfer still active, FE
16
means transfer interrupted with errors.
The both following bytes (high,low) set the lenght of the response buffer.
It is always recommended to read the data starting with the index i = 0.
The response data have the same format, as by commands RD_74_75_PARAM,
RD_74_75_ID and „safety at work“-monitor diagnostics.
Request
Byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
4F
16
2
circuit
3
slave
4
buffer index (i) high
5
buffer index (i) low
Response
Byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
4F
16
2
response
3
data
...
...
x
data+n
