Echelon OpenLNS - Manual (Page 1034)

OpenLNS Programmer's Reference 997
If the connection members are not SNVTs, then all members must have the same length.
lcaErrConnDirectionOrPollingMismatch
9
An input network variable can only be connected to an output network variable, a polled
output network variable can only be connected to a polling input network variable, and
the implicit message tag msg_in can only be connected to an explicitly declared message
tag.
This error will occur if an attempt was made to connect network variables of the same
direction, network variables with mismatched polling attributes (a polled output network
variable to non-polling input network variable), or msg_in to msg_in.
lcaErrConnMtagCantUseTurnaround
10
An attempt was made to connect message tags in the same node (i.e., to create a
turnaround message tag connection, which is not possible).
lcaErrConnPriNotConfigurable
11
An attempt was made to modify the priority attribute; that attribute was not specified as
configurable.
For network variables, the priority keyword may be included as part of the connection
information in the Neuron C variable declaration. The config and nonconfig keywords
specify whether the priority designation can be modified with a network management
tool. The default is config.
The priority keyword affects output or polled input network variables.
Please refer to the Neuron C Reference Guide for more information.
lcaErrConnAuthNotConfigurable
12
An attempt was made to modify the authentication attribute and that attribute was not
specified as configurable.
For network variables, the authentication keyword may be included as part of the
connection information in the Neuron C variable declaration. Including the keyword
config in the declaration allows the network management tool to change the
authentication status of this network variable after a node has been installed. Setting
nonconfig prevents the authentication status from ever being changed for this network
variable. The default is config. Please refer to the Neuron C Reference Guide for more
information.
lcaErrConnSvctypeNotConfigurable
13
An attempt was made to modify the protocol service type attribute, and that attribute
was not specified as configurable.
For network variables, the service type can be specified in the connection information in
the Neuron C variable declaration. The options are unackd, nackd_rpt and ackd. The
keyword config is the default. This allows a network management tool to change the
service specification at installation time. The keyword nonconfig indicates that the
service type cannot be changed by a network management tool. Please refer to the
Neuron C Reference Guide for more information.
lcaErrConnNvSelectorConstraint
14
At most, one input network variable in a device, and in some situations only one output
network variable in a device, can use the same network variable selector, which is