Echelon ISI - Manual (Page 117)

115 ISI Programmer’s Guide
IsiEvent Value Note
isiDirectionAny 2 Indicates that both input and output
network variables may be applicable to
this connection. Used to support N:M
connections.
isiDirectionVarious 3 Indicates the network variable direction
is distinct and a combination of inputs
and outputs. Used in compound
assemblies, where the network variable
directions are defined by the functional
profile.
IsiDrum Structure
Defines a domain resource usage message (DRUM/DRUMEX).
Byte Offset Data Type Field Name Note
1 unsigned : 3 DidLength States the number of
significant bytes in the DID
array, may be 1, 3, or 6.
1 unsigned : 3 Reserved. Set to zero when
sending, ignore field when
receiving DRUM message
unless otherwise known.
1 unsigned : 2 UserDefined Reserved. Set to zero when
sending, ignore when
receiving.
2 unsigned [6] DomainId Primary domain ID (see
DidLength for number of
significant bytes).
8 unsigned [6] NeuronId Sender’s Neuron ID.
14 unsigned SubnetId Sender’s current subnet ID.
15 unsigned NodeId Sender’s current node ID.
16 unsigned Nuid Sender’s non-unique device
ID. See the IsiDidrq structure
for a description.
17 unsigned ChannelType Value from the Channel Type
standard program ID field.