AS-i/PROFIBUS Gateway
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
39
Since the transferred data can be longer than the command interface, it is written
into the buffer. The content of the buffer can be read in parts from index.
n is the length of the part string, that (from Index (i)) should be written in the buffer.
The transmission proceeds, if i=0.
Request
Byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 4Eh
2 circuit
3 slave
4 buffer Index (i) high
5 buffer Index (i) low
6
command
1
1. Following commands are supported:
1: S-7.4 ID string Read (no sent data required).
2: S-7.4 Diag String Read (no sent data required).
3: S-7.4 Param String Read (no sent data required).
4: S-7.4 Param String Write (buffer contains sent string).
5: S-7.5 Transfer. Buffer contains sent string in the same form, as the telegram,
that have to be sent over AS-i.
6: S-7.5 Cyclic 16-Bit Slave Configuration Read (analog/transparent bits are
cancelled in the response). The cyclic 16-bit configuration cannot be detected,
if the response is 08h.
7: Safety Monitor sorted Read (no sent data required).
8: Safety Monitor unsorted (all devices) Read (no sent data required).
7 number of(n)
8 data
… ...
x data+n
Please view the <chapter 8.2.3.2 Monitor Diagnosis> for further information.
Response
Byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 4E
16
2 response
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