Useasyncsend – Echelon OpenLNS User Manual
Page 527
OpenLNS Programmer's Reference
490
service. The device does not send
acknowledgment messages;
however, repeat messages are sent
to the device after the initial
message is sent to it to ensure that it
reaches its destination.
You can set the number of repeat
messages to send, and the interval
at which they will be sent, by
writing to the RepeatCount and
RepeatTimer properties.
2 lcaSvcUnackd
Unacknowledged messaging service.
The device does not send
acknowledgment messages.
Do not use this service type on
channels that support altnerate
frequencies because the message
will only be sent using the primary
path. See the AltPathType property
for more information.
3 lcaSvcRequest
Request/Response messaging
service. You can use this value
when sending explicit messages if
the device receiving the message is
designed to send a response message
for the specified message code.
monOptsObject
acted on.
Data Type
Long.
Read/Write
Read/write.
Added to API
LNS Release 3.0.
UseAsyncSend
Summary
Determines whether OpenLNS will wait for a completion
code to return after updating the value of a monitor point
before sending its next update message
.
When sending the values of network variable and message
monitor points prior to LNS 3.20, LNS would wait for the
completion code for each message sent to be returned before
returning to the user, regardless of the messaging service
type being used. You can use this property to determine
whether OpenLNS should wait for the completion code.
Note: The UseAsyncSend property can be used to confirm
when the values of the monitor points on your network have