Echelon ISI - Manual (Page 124)

ISI Programmer’s Guide 122
IsiScope Value Note
isiScopeManufacturer 3 Indicates that Profile and NvType values
refer to user-defined scope 3 – 5 resource
files that match the applicable fields in
the ProgramIDShort field
All other values are reserved.
IsiTimg Structure
Defines a timing guidance message (TIMG).
Byte Offset Data Type Field Name Note
1 unsigned : 4 Originator Set to 8 for a regular
DAS. All other values
are reserved.
1 unsigned : 4 Reserved.
2 unsigned DeviceCountEst Estimated device count
used for throttling
periodic messages. The
device count is an
approximation and will
typically be larger than
the actual network size.
3 unsigned ChannelType The least performing
channel type ID
observed.
IsiType Enumeration
Specifies the ISI protocol to be implemented by the ISI engine.
IsiType Value Note
isiTypeS 0 ISI without domain acquisition.
isiTypeDa 1 ISI with domain acquisition.
isiTypeDas 2 ISI-DAS.