Omron NX Series User Manual page 313

Status
value
•
05 hex Upper 1 byte
Error code defined in
the IO-Link standard
•
Lower 1 byte
Additional code de-
fined in the IO-Link
standard
• Timeout
This object is the time that the IO-Link Master Unit monitors a response from an IO-Link device. The
unit is ms. When 0000 hex is specified, monitoring is for 2 s.
• Sequence No
This object specifies the sequence number of the message to be sent.
Precautions for Correct Use
This object allows complete access.
However, pay attention to the following when you read or write the object with complete access.
The followings are reserved and padded in this object.
• For the NX-type IO-Link Master Unit
a) Two bytes including one byte of number of entries and one byte of padding before the
Control object
b) Reserved in 16 bytes between the Error Code object and Timeout object
c) Padded in one byte after the Sequence No object
The total size of the object will be 262 bytes according to the above contents.
• For the GX-type IO-Link Master Unit
a) Two bytes including one byte of number of entries and one byte of padding before the
Control object
The total size of the object will be 245 bytes according to the above content.
Precautions are as follows.
• When you read the object
Reserve, padding and number of entries are including in the read values.
• When you write the object
Specify all write values to 00 for the reserve, padding and number of entries.
Controller Processing
The following describes controller processing for access form the controller to an IO-Link device.
Create the user program for the controller processing according to the following descriptions.
l Controller Processing Flow Chart
NX/GX-series IO-Link System User's Manual (W570)
Error code value
Refer to Table C.1 Error Types
in Annex C of the IO-Link
Interface and System
Specification Version 1.1.2 for
details on the meanings of the
error codes.
Error code meaning
Appendices
Correction
Refer to the instruction manuals for
the connected IO-Link devices and
take the corresponding measure.
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