Echelon OpenLNS - Manual (Page 224)

OpenLNS Programmer's Reference 187
ServiceType
Summary Stores the messaging service to be used for the connection.
Note: This property will only be read by the OpenLNS Object
Server if the lcaConnPropsServiceType option is set in
the ConnectDescTemplate object’s PropertyOptions property.
If the lcaConnPropServiceType option is not set, then
OpenLNS Object Server will determine the service type for
connections using the ConnectDescTemplate object by reading
the ServiceType property of the connection’s hub network
variable.
Availability Local, full, and lightweight clients.
Syntax serviceTypeValue = object.ServiceType
Element Description
serviceTypeValue The service type to be used. The
enumerated values for this element,
which are contained in the
ConstServiceTypes constant, are as
follows:
0 lcaSvcAckd
Acknowledged messaging service.
The device sends an acknowledgment
message after it has received the
message.
If your application will be sending
messages to large numbers of devices
at once, one of the unacknowledged
messaging services may be desirable,
as the acknowledgment messages may
generate a significant amount of
network traffic.
1 lcaSvcUnackdRpt
Unacknowledged repeat messaging
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