Table 6. LabVIEW Project IOVs for Remote I/O Systems (Continued)
IOV
Data Type
Purpose
Localbus Error_Code
U16
Returns error codes for the I/O module. Refer to the
I/O Module Error Codes
table for more information.
Newest Diagnosis
Message
U16
Returns the new message available bit (Index 10F3
hex
sub-index 04). Refer to the
Diagnosis History Object
table for more information.
Diagnostics
Diagnosis History Object
The diagnosis history object (10F3
hex
) implements as a ring memory in Overwrite mode. The
last 16 diagnostic messages are always stored. Older messages are deleted. Bus coupler and
I/O errors are stored in the object's diagnostic messages.
Table 7. Diagnosis History Object Indicators
Code (hex)
Sub-Index
Data Type
Indication
10F3
Record
Diagnosis statistics
01
U8
Maximum number of messages
02
U8
Newest message
03
U16
Newest acknowledged message
04
Bit
New message available
05
U16
Behavior setting for the object
Note
Refer to
Table 27: Entries of 0x10F3 Diagnosis History Object
in the
ETG.
1020 EtherCAT Protocol Enhancements
document for
Newest Acknowledged
Message
definitions.
10
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