Write Parameter (Write_P) - Pepperl+Fuchs AS-I 3.0 Manual

Command interface
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AS-i 3.0 Command Interface
Commands of the Command Interface
4.6.10

Write parameter (WRITE_P)

The AS-i slave parameter value transferred with the command is passed on to the
addressed AS-i slave.
The parameter is stored in the AS-i Master only temporarily and is not stored as a
configured parameter in the EEPROM!
The AS-i slave transfers its current parameter value in the response (parameter
echo). This can deviate from the value that has just been written according to the
AS-i master specification.
byte
1
2
3
4
byte
1
2
3
Meaning of bit B:
7
6
5
2
2
2
T
B
7
6
5
2
2
2
T
B = 0
Single AS-i slave or A-slave
B = 1
B-slave
Request
4
3
2
2
02
16
circuit
slave address
Response
4
3
2
2
02
16
result
2
1
2
2
2
parameter
Tab. 4-154.
2
1
2
2
2
slave response
Tab. 4-155.
0
0
85

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