| Specifies update criteria for a device point. | |
| Description: | CimUpdateCriteriaEnum defines update
criterias available for device points. The particular types of
update that are actually available depend on the device
communication module being used. See Point Configuration. |
| Values: |
cimUnsolicited
- Point updated unsolicited by device
cimOnchange -
Point reported only when value changes - efficient
cimOnscan -
Point reported each scan regardless of value change - less
efficient
cimPollOnce -
Poll the point once at start-up subsequent updates reported
unsolicted by device.
cimOndemandOnScan - Point reported each scan
regardless of value change but only read from device when in use by
an application.
cimOndemand -
Point reported only when value changes but only read from device
when in use by an application.
cimUnsolicitedOnChange - Point updated unsolicited by
device but reported only when data has changed.
cimPollOnceOnchange - Not currently supported
cimOndemandUnsolicited - Point updated unsolicted by
device but reported only when being used.
cimOndemandPollOnce - Polled once at startup then
point updated unsolicted by device but reported only when being
used.
cimOndemandUnsolicitedOnChange - Polled once at
startup then point updated unsolicted by device but reported only
when value changes and in use.
cimOndemandPollOnceOnChange - Polled once at startup
then point updated unsolicted by device but reported only when
value changes.
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