Echelon ISI - Manual (Page 156)

ISI Programmer’s Guide 154
Term Definition
Application message An ANSI/CEA-709.1 (EN14908-1) message with a message code in
the range of 0 to 62. Message codes 48 to 62 are reserved for
standard application messages, including messages used for ISI
(message code 61) and file transfer (message code 62). Message
codes 0 to may be used for proprietary manufacturer-specific
messages.
Assembly See connection assembly .
Automatic enrollment The process of creating an ISI connection without user interaction.
Callback function A function called by the ISI engine that may be overridden by an
application-specific function in order to relay data back and forth
between the application and the ISI engine.
Compatible network
variable
A network variable of the same type and direction.
Complementary
network variable A network variable of the same type but opposite direction.
Compound assembly A connection assembly that has more then one network variable.
Connection A configured data flow or flows between one or more output
network variables and one or more input network variables. In ISI,
a connection may be a network variable connection or an ISI
connection. An ISI connection consists of one or more network
variable connections.
Connection assembly A block of functionality for a device represented by one or more
network variables, and one or more functional blocks. Connection
assemblies are used to create ISI connections.
Connection controller A device that initiates enrollment of one or more ISI devices in an
ISI connection. Typically a user interface panel or controller.
Connection host A device that begins the enrollment process by sending a
connection invitation specifying a connection assembly.
Connection invitation A message sent by a connection host to open enrollment for a
connection assembly.
Connection member A device that has joined an ISI connection, but is not the
connection host.
Connection message Messages used to create, delete, and describe ISI connections.
Connection Status
Message (CSM) Periodic messages used to create, delete, and describe ISI
connections.
Controlled enrollment The process of creating an ISI connection requiring a connection