Siemens SIMATIC NET IE/AS-INTERFACE LINK PN IO User Manual

8 Using the Data Record Interface
169
IE/AS−INTERFACE LINK PN IO as of hardware version 1, as of firmware version V2.0
Release 08/2018
C79000−G8976−C216−03
8.2.2.18 Read_Status
Meaning
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
Bit
AS-i slave complying with standard 2.0 AS-i slave complying with standard
2.1, V3
S 0 Address volatile Address/ID code volatile
This flag is set when
S 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.
S the AS-i internal slave address comparison recognizes that the stored
address is not the same as the entry in the address register.
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.
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.
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.
reserved
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 RecordDataRead service − Index 80
Byte Meaning
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Version_hi = 0x00
1 Version_lo = 0x00
2
0x0
AS-i slave status
0x0
S 3 S 2 S 1 S 0
3 Reserved 0x00

Siemens SIMATIC NET IE/AS-INTERFACE LINK PN IO Specifications

General

Brand	Siemens
Model	SIMATIC NET IE/AS-INTERFACE LINK PN IO
Category	Control Unit
Language	English