Rockwell-automation 22-COMM-C ControlNet Adapter Manuel d'utilisateur Page 144

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C-26 ControlNet Objects
Descriptor Attributes (Continued)
Formulas for Converting
Display Value = ((Internal Value + Offset) x Multiplier x Base) / (Divisor x 10
Decimal Places
)
Internal Value = ((Display Value x Divisor x 10
Decimal Places
) / (Multiplier x Base)) - Offset
Common Services
Object Specific Services
The table below lists the parameters for the Get_Attributes_Scattered
and Set_Attributes_Scattered object-specific service:
Important: The STRUCT may repeat up to 64 times in a single message.
DSI Parameter Object (Continued)
Bit Name Description
22 Access Level (Bit 1) Reserved
23 Access Level (Bit 2) Reserved
24 Access Level (Bit 3) Reserved
25 Writable ENUM Reserved
26 Not a Link Source 0 = Parameter can be a source for a link
1 = Parameter cannot be a source for a link
27 Enhanced Bit ENUM Reserved
28 Enhanced ENUM Reserved
29 Not Used Reserved
30 Not Used Reserved
31 Not Used Reserved
Service Code
Implemented for:
Service NameClass Instance
0x0E Yes Yes Get_Attribute_Single
0x10 Yes Yes Set_Attribute_Single
Service Code Service Name
0x32 Get_Attributes_Scattered
(1)
(1)
The instance and attribute are ignored for these services.
0x34 Set_Attributes_Scattered
(1)
Name Data Type Description
Scattered Parameters STRUCT of
Parameter Number WORD Parameter to read or write
Parameter Value WORD Parameter value to read or write (zero when reading)
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