X20 system modules • Other functions • X20DS438A
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X20 system User's Manual 3.10
4.26.5.9.7.5 IoLinkTimestampOutStatus
Name:
IoLinkTimestampOutStatus01 to IoLinkTimestampOutStatus04
This register is used to show the status of the timestamp output.
Data type
Value
USINT
See bit structure.
Bit structure:
Bit
Description
Value
Information
0 - 3
Acknowledgment of sequence number
0 to 15
When an output timestamp has been successfully applied, then
the sequence number from IoLinkTimestampOutCtrlSeq is ac-
knowledged here.
4 - 5
Reserved
-
0
No warning
6
Warning
1
A timestamp was not at least 3 cycles in the future, so output
may be delayed.
0
No error
7
Errors
1
More timestamps were transferred to the module than could be
output.
4.26.5.9.8 IO-Link process data
The input or output data stream of IO-Link process data can be broken down into any structure. The structure is
configured as follows:
•
The firmware provides 8 32-bit registers for each channel to allow the mapping of maximum 32 bytes of
IO-Link process data.
•
The I/O configuration sets the type with which the register should be registered. So that the length is correct,
the PDI_TypeInfo register (for input data) or PDO_TypeInfo register (for output data) is used to configure
how many bytes of the IO-Link data stream should be copied to the register, or vice versa.
Limitations:
8 registers with 32 bits are available per channel. This makes it possible to register any 8 data points in this way.
If this is not sufficient, it is also possible to use a byte array. The user then has to make sure that the bytes are
divided up into the necessary data types.
Information:
With a bit array, it is important that the byte arrangement is correct within the register. The module
DOES NOT make any necessary conversions from big-endian to little-endian or reverse.
Example
Dividing up elements from an IO-Link data stream into multiple 32-bit registers:
SINT
INT
DINT
SINT
INT
DINT
InputData0x_1
InputData0x_2
InputData0x_3
IO-Link frame
Register
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