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Echelon ISI User Manual

Page 111

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109

ISI Programmer’s Guide

Byte offset

Data Type

Field Name

Note

N

unsigned

Group

The group (or device

category) this connection

applies to. See text for valid
group ID values, and

allocation of group ID

values.

N+1

unsigned : 2

Direction

Direction of the primary
network variable on offer.

See the IsiDirection

enumeration.

N+1

unsigned : 6

Width

Number of selector values

used with this connection,
starting with the value of

the Selector field.
Value 0 is reserved.

N+2

unsigned long

Profile

Functional profile number of

the functional profile that
defines the functional block

containing the primary

network variable, or zero if
none.

N+4

unsigned

NvType

NV type index of the NV

type for the primary

network variable, or zero if
none specified. The NV type

index is an index into

resource file that defines the
network variable type for

the primary network

variable on offer.