Get_As-I_Slave_Status - Siemens DP/AS-Interface Link 20E Manual

Using the Command Interface
3.3.15

Get_AS-i_Slave_Status

Purpose
With this call, the status register of the addressed AS-i slave can be read out.
Depending on the type of AS-i slave, the flags of the status register have the
following meaning:
Status AS-i slave complying with standard 2.0
Bit
S 0 Address volatile
This flag is set when
S
S
S 1 Parity error detected
This flag is set when the AS-i slave has
recognized a parity error in a received
frame since the last "read and delete
status" job.
S 2 End bit error detected
This flag is set when the AS-i slave has
recognized an end bit error in a frame
since the last "read and delete status" job.
S 3 Read error in non-volatile memory
This bit is set when the AS-i slave has detected a read error when reading the
non-volatile memory.
Structure of the Job Data in the Send Buffer
Byte
0
1
Structure of the Response Data in the Receive Buffer
Byte
Bit 7
0 0
96
the internal slave routine for permanent storage of the AS-i slave address is
active. This can take up to 15 ms and must not be interrupted by a further
addressing call.
the AS-i internal slave address comparison recognizes that the stored
address is not the same as the entry in the address register.
Command number: 0F
AS-i slave complying with standard
2.1
Address/ID code volatile
I/O error detected
An AS-i slave can set this flag
when it has detected and error (for
example wire break) in the attached
I/Os.
reserved
Meaning
H
Slave address
Meaning
Bit 4 Bit 3 Bit 2
S 3 S 2
DP/AS-Interface Link 20E
C79000-G8976-C138–04
Bit 1 Bit 0
S 1 S 0
Release 11/2002