Rockwell-automation 22-COMM-C ControlNet Adapter User Manual Page 141

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ControlNet Objects C-23
Class Code
Instances
The number of instances depends on the number of parameters in the
device. The total number of parameters can be read in Instance 0,
Attribute 0.
Class Attributes
DSI Parameter Object
Hexadecimal Decimal
0x93 147
Instances (Dec.) Single Mode Multi-Drive Mode
0 – 16383 Instances 0 – 16383 in the drive Instances 0 – 16383 in Drive 0
16384 – 17407 Instances 0 – 1023 in the adapter Instances 0 – 1023 in the adapter
17408 – 18431 Instances 0 – 1023 in the adapter Instances 0 – 1023 in Drive 1
18432 – 19455 Instances 0 – 1023 in the slave Instances 0 – 1023 in Drive 2
19456 – 20479 Not supported Instances 0 – 1023 in Drive 3
20480 – 21503 Not supported Instances 0 – 1023 in Drive 4
21504 – 22527 Not supported Instances 0 – 1023 in the adapter
Attribute
ID
Access
Rule Name Data Type Description
0 Get Number of
Instances
WORD Number of parameters in the device
1 Set Write Protect
Password
WORD 0 = Password disabled
n = Password
2 Set NVS Command
Write
BYTE 0 = No Operation
1 = Store values in active memory to NVS
2 = Load values in NVS to active memory
3 = Load default values to active memory
3 Get NVS Parameter
Value Checksum
WORD Checksum of all parameter values in a
user set in NVS
4 Get NVS Link Value
Checksum
WORD Checksum of parameter links in a user set
in NVS
5 Get First Accessible
Parameter
WORD First parameter available if parameters
are protected by passwords. A “0”
indicates all parameters are protected.
7 Get Class Revision WORD 2
8 Get First Parameter
Processing Error
WORD The first parameter that has been written
with a value outside of its range. A “0”
indicates no errors.
9 Set Link Command BYTE 0 = No Operation
1 = Clear All Parameter Links (This does
not clear links to function blocks.)
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