Rockwell Automation 1440-VLF02-01RA XM-121 Absolute Shaft Module - Manual (Page 110)

Publication GMSI10-UM014D-EN-P - May 2010
102 DeviceNet Objects
Instance Attributes
Services
Parameter Object
(Class ID 0F
H
)
The Parameter Object provides the interface to the Absolute Shaft
configuration data. There are 19 Parameter Object instances implemented in
the Absolute Shaft module.
Parameter Object instances 1-16 are implemented to provide an alternate
method of setting the configuration parameters with EPATH or ENGUNIT
data types. And Parameter Object instances 18 and 19 provide an alternate
method of setting the Produced Connection Size and Produced Connection
Path attributes for the Poll Connection because these attributes can be difficult
to get/set directly through the Connection Object.
Instance 17 is provided to select the sensor type for the case absolute channel.
Table C.18 Discrete Input Object Instance Attributes
Attr ID
Access
Rule
Name Data Type Description Semantics
3 Get Value BOOL Setpoint Multiplier 0 = Off
1 = On
199 Set Backdoor
Service USINT Setting this attribute is
equivalent to requesting
the specified service. Set to one of the
following values to
perform the
specified service:
0x32 = Open
0x33 = Close
Table C.19 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.
33
h
Instance Close Closes the virtual Setpoint
Multiplier switch.