Echelon ISI - Manual (Page 113)

111 ISI Programmer’s Guide
Byte offset Data Type Field Name Note
N+6 unsigned : 2 Extended.
Scope
Scope of the resource file
containing the functional
profile and network variable
type definitions specified by
the Profile and NvType
fields. See the IsiScope
enumeration.
Values 1 and 2 are reserved.
For regular CSMO, CSMA,
and CSMR messages, this
field is always zero. You
must specify the
isiFlagExtended flag when
starting the ISI engine to
use this field.
N+6 unsigned : 4 Reserved. Clear when
sending, ignore when
receiving.
For regular CSMO, CSMA,
and CSMR messages, this
field is always zero.
N+7 unsigned [6] Extended.
Application
The first 6 bytes of the
connection host’s standard
program ID. The last two
standard program ID bytes
(channel type and model
number) are not included.
For regular CSMO, CSMA,
and CSMR messages, this
field is always zero. You
must specify the
isiFlagExtended flag when
starting the ISI engine to
use this field.
N+13 unsigned Extended.
Member
NV member number within
the functional profile for the
primary network variable,
or zero if none.
For regular CSMO, CSMA,
and CSMR messages, this
field is always one. You
must specify the
isiFlagExtended flag when
starting the ISI engine to
use this field.