IDEC WindSRV - Manual (Page 31)

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configured timeout and retry count for the device. This tag is formatted
as an unsigned 32 bit integer and will eventually rollover. This tag is
Read Only.
_FailedWrites The _FailedWrites tag contains a count of the number of Writes this
channel has failed to complete since the start of the application or since
the last time the _Reset tag was invoked. This count is only
incremented after the channel has failed the request based on the
configured timeout and retry count for the device. This tag is formatted
as unsigned 32 bit integer and will eventually rollover. This tag is Read
Only.
_RxBytes The _RxBytes tag contains a count of the number of bytes the channel
has received from connected devices since the start of the application
or since the last time the _Reset tag was invoked. This tag is formatted
as unsigned 32 bit integer and will eventually rollover. This tag is Read
Only.
_TxBytes The _TxBytes tag contains a count of the number of bytes the channel
has sent to connected devices since the start of the application or since
the last time the _Reset tag was invoked. This tag is formatted as
unsigned 32 bit integer and will eventually rollover. This tag is Read
Only.
_Reset The _Reset tag can be used to reset all diagnostic counters. The _Reset
tag is formatted as a Boolean tag. Writing a non-zero value to the
_Reset tag will cause the diagnostic counters to be reset. This tag is
Read/Write.
_MaxPendingReads
The _MaxPendingReads tag contains a count of the maximum number
of pending read requests for the channel since the start of the
application (or the _Reset tag) was invoked. This tag is formatted as an
unsigned 32 bit integer. The tag is Read Only.
_MaxPendingWrites
The _MaxPendingWrites tag contains a count of the maximum number
of pending write requests for the channel since the start of the
application (or the _Reset tag) was invoked. This tag is formatted as an
unsigned 32 bit integer. The tag is Read Only.
_PendingReads
The _PendingReads tag contains a count of the current pending read
requests for the channel. This tag is formatted as an unsigned 32 bit
integer. The tag is Read Only.
_PendingWrites
The _PendingWrites tag contains a count of the current pending write
requests for the channel. This tag is formatted as an unsigned 32 bit
integer. This tag is Read Only.
Statistics Tags are only available when diagnostics are enabled. To access from an OPC client, the diagnostic tags can
be browsed from the _Statistics branch of the server browse space for a given channel. The following diagram, taken
from the supplied OPC Quick Client, shows how the Diagnostics Tag appear to an OPC client.