Manual

Publication GMSI10-UM014D-EN-P - May 2010
DeviceNet Objects 119
Services
1 Attributes can only be set while the device is in Program Mode. See the description of the Device Mode Object
for more information.
Relay Object
(Class ID 323
H
)
The Relay Object models a relay (actual or virtual). A relay can be activated or
deactivated based on the status of one or more alarms.
Class Attributes
Instances
There are 5 instances of this object.
Table C.39 Overall Measurement Object Services
Service
Code Class/Instance Usage Name Description
0E
h
Instance Get_Attribute_Single Returns a single attribute.
10
h
Instance Set_Attribute_Single
Sets a single attribute.
1
Table C.40 Relay Object Class Attributes
Attr ID
Access
Rule Name Data Type Description Semantics
1 Get Revision USINT Revision of the
implemented object.
2 (indicates that Delay is a
UINT in milliseconds instead of
USINT in tenths of seconds)
3 Get Number of
Instances
UINT Number of Instances in
this class.
5
100 Set Reset All USINT Setting this attribute is
equivalent to executing
the Class Reset service.
Reset All is an attribute that
provides a way to perform a
Class level Reset service via the
Set_Attribute_Single service.
Setting this attribute to any
value is equivalent to
performing the Class level Reset
service. Reading the Reset All
attribute always returns zero.