Services – Rockwell Automation 1440-RMA00-04RC XM-440 Master Relay Module User Manual
Page 87
 
Rockwell Automation Publication GMSI10-UM009D-EN-P - June 2011
DeviceNet Objects 87
Services
1
Attributes can only be set when the device is in Program Mode. See the description of the Device Mode Object 
for more information.
14
Get
Relay Installed
BOOL
Indicates whether an 
actual relay is associated 
with this instance.
0 = Not installed
1 = Installed
15
Get/Set
Bool List
STRUCT of
A list of Booleans used as 
inputs to determine the 
output relay status.
The COS Assembly data from 
the slave device may contain 
several Boolean values. The 
Relay object's Bool List 
members are represented with 
three USINT that specify the 
device from which the Boolean 
comes from and the location 
within that device's COS 
Assembly where the particular 
Boolean is found.
Number
USINT
The number of Booleans 
in the list.
The number of 3 USINT sets that 
follow (1-8).
List
Array of 
STRUCT of
MAC ID
USINT
Specifies the device that 
maintains the Boolean
0-63
Byte Offset
USINT
Specifies the byte in the 
device's COS Assembly 
that contains the Boolean.
0-255
Bit Offset
USINT
Specifies the bit within 
the byte where the 
Boolean value resides.
0-7
Table C.26 Relay Object Instance Attributes
Attr ID
Access 
Rule
Name Data
Type
Description
Semantics
Table C.27 Relay Object Services
Service 
Code
Class/Instance Usage
Name
Description
05
h
Class/Instance
Reset
Resets latched relay.
0E
h
Class/Instance
Get_Attribute_Single
Returns the contents of the 
specified attribute.
10
h
Class/Instance
Set_Attribute_Singe
Sets a single attribute.
1