V01.00 | 2019/10
39
Designation
acc. IO-Link
spec.
Data
type
Meaning
LEN INT Length of the data to be read/written. This information is not neces-
sary for the Siemens IOL_CALL.
RECORD_IOL_
DATA
ANY Source/destination for the data to be read/written.
IOL_CALL – output variables
Designation
acc. IO-Link
spec.
Data
type
Meaning
DONE_VALID BOOL The read or write access has been executed.
BUSY BOOL The read or write access is actually in progress.
ERROR BOOL Error while reading or writing.
STATUS DWORD Communication error status of the acyclic communication [}39]
IOL_STATUS DWORD IO-Link error messages (in accordance with "IO-Link Integration Part
1- Technical Specification for PROFIBUS and PROFINET" and "IO-Link
Interface and System"), which concern the communication between
IO-Link master and connected devices [}40].
LEN INT Length of the read data
IOL_CALL – communication error status
The status of the acyclic communication contains 4 byte and is structured as follows:
Byte 3 Byte 2 Byte 1 Byte 0
Manufacturer specific
identifier (not always
applicable)
0×80
Specifies the error as
an error of acyclic
communication.
Error code/
status code
Vendor specific identi-
fier (not always applic-
able)
Status Code Name Meaning
0xFF000000 TIMEOUT Internal error in the communication with the
module
0x00FFF00 INVALID_HANDLE
0x00FFFE00 HANDLE_OUT_OF_
BUFFERS
0x00FFFD00 HANDLE_DESTINATION_
UNAVAILABLE
0x00FFFC00 HANDLE_UNKNOWN
0x00FFFB00 HANDLE_METHOD_
INVALID
0xXX80A0XX MASTER_READ_ERROR Error while reading
0xXX80A1XX MASTER_WRITE_ERROR Error while writing
0xXX80A2XX MASTER_MODULE_
FAILURE
Failure of the IO-Link master, bus failure pos-
sible
0xXX80A6XX MASTER_NO_DATA No data received
0xXX80A7XX MASTER_BUSY IO-Link master busy
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