Rockwell Automation FactoryTalk Historian SE 3.0 H2H Interface User Guide - Manual (Page 48)

Historian Point Configuration
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Location3
Value Write
“I/O Timeout” Write
“Access Denied” Include
Snapshot Point Level
Debugging
13 -- Yes Yes Yes
14 Yes -- Yes Yes
15 -- -- Yes Yes
Location4
Scan-based Inputs
For interfaces that support scan-based collection of data, Location4 defines the scan class
for the Historian point. The scan class determines the frequency at which input points are
scanned for new values. For more information, see the description of the
/f parameter in the
Startup Command File section.
Location5
Location5 attribute is used for setting the write mode for sending archive data to the
receiving Historian Server. The following table lists the supported modes for PI3 and PI2
receiving Historian Servers.
Location5 Write Mode Description Supported Historian
Server versions
0 ARCAPPEND
Archive and
Snapshot Data Add archive event
regardless of existing
events.
Default snapshot
behavior is to append
data if event at
timestamp exists.. PI3 only*
1 ARCNOREPLACE
Archive Events
Only Add archive event
unless event(s) exist at
same time.
Default snapshot
behavior is to append
data if event at
timestamp exists. PI2 only
2 ARCREPLACE
Archive Events
Only Add archive event,
replace if event at same
time.
Default snapshot
behavior is to append
data if event at
timestamp exists. PI3 & PI2
3 ARCNOREPLACE
Archive and
Snapshot Events Add archive or
snapshot event unless
event(s) exist at same
time PI2 only
4 ARCREPLACE
Archive and
Snapshot Events Add archive or
snapshot event, replace
if event at same time PI3 & PI2
*Note: PI2 supports Insert (ARCNOREPLACE) or Replace (ARCREPLACE) data write