Siemens SIMATIC NET Manuale di Servizio Pagina 120

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Command Interface
5-52
SIMATIC NET CP 243-2 AS-i Master
C79000-G8976-C142/02
5.2.26 Read_AS-i_Slave_I/O
Purpose
With this call, the I/O configuration of an AS-i slave can be read out directly over
the AS-i cable. The call is intended for diagnostic purposes and is not required in
the normal master mode.
Structure of the Job Data in the Send Buffer
Bank Byte Meaning
2 0 Command number: 18
H
2 1 AS-i slave address
Structure of the Job Data in the Receive Buffer
Bank Byte Meaning
Bit 7 Bit 4 Bit 3 Bit 0
2 0 Echo of the command number: 18
H
2 1 Command status
2 2 reserved I/O configuration
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