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Rockwell Automation Publication 1440-UM001D-EN-P - September 2016 127
CIP Objects Appendix B
Discrete Input Point Object
(Class ID 08H) The Discrete Input Point Object stores information about the value of the
Setpoint Multiplier signal.
Class Attributes
Instance Attributes
Services
Table 48 - Discrete Input Object Class Attributes
Attribute
ID Access
Rule Name Data Type Description Semantics
1 Get Revision UINT Version of the
implemented object.
2
Table 49 - Discrete Input Object Instance Attributes
Attribute
ID Access
Rule Name Data
Type
Description Semantics
3 Get Value BOOL Alarm Limit Multiplier 0 = Off
1 = On
199 Set Backdoor
Service USINT Setting this attribute
is equivalent to
requesting the
specified service. Set to one of these values to perform
the specified service:
32
h
= Open
33
h
= Close
The virtual Setpoint Multiplier switch
can be set with the AlarmLimitMultiply
output tag in RSLogix 5000®
software.
Table 50 - Discrete Input Object Services
Service
Code Class/Instance Usage Name Description
0E
h
Class/Instance Get_Attribute_Single Returns the contents of the
specified attribute.
10
h
Instance Set_Attribute_Single Sets the contents of the
specified attribute.
32
h
Instance Open Opens the virtual Setpoint
Multiplier switch.
(1)
(1) The AlarmLimitMultiply output tag in RSLogix 5000 software can also set the Setpoint Multiplier switch. It does not overwrite
this service.
33
h
Instance Close Closes the virtual Setpoint
Multiplier switch.
(1)