Scanport pass-through link object, D-10 – Rockwell Automation 1769-SM1 Compact I/O to DPI/SCANport Module User 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