Rockwell Automation 1769-SM1 Compact I/O to DPI/SCANport Module - Manual (Page 154)

D-10 SCANport Objects
Class Code
The SCANport Pass-Through Link Object lets you perform a scattered
read or write of a number of links or a single read or write of a link.
Class Attributes
Instance Attributes
An instance in this class is the number of a parameter that is to get its
value from another parameter.
Common Services
Object-Specific Services
SCANport Pass-Through Link Object
Hexadecimal Decimal
0x99
153
Attribute
ID Access
Rule Name Data Type Description
0 Get Link Command BYTE 1 = Clear all links.
1 Set NVS Link Diagnostic
Value WORD Checksum.
Attribute
ID Access
Rule Name Data Type Description
0 Set Parameter Link
Reference
(1)
(1)
The Parameter Link Reference value is the number of the parameter whose value is to be
transferred.
WORD
Service Code Implemented for: Service Name
Class Instance
0x0E Yes Yes Get_Attribute_Single
0x10 Yes Yes Set_Attribute_Single
Service Code Implemented for: Service Name
Class Instance
0x32 Yes No Scattered_Link_Reference_Value_Read
(1)
(1)
Must be directed to Attribute 0, Instance 0.
0x34 Yes No Scattered_Link_Reference_Value_Write
(1)