Scanport Pass-Through Link Object - Allen-Bradley 1769-SM1 User Manual

D-10 SCANport Objects

SCANport Pass-Through Link Object

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