Allen-Bradley PowerFlex 20-COMM-D, Руководство пользователя

Страница: 108 / 149

C-18 DeviceNet Objects
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
DPI Parameter Object
Hexadecimal Decimal
0x93 147
Number Description
0 Class Attributes (Drive)
1 Drive Parameter 1 Attributes
2 Drive Parameter 2 Attributes
… …
16384 Class Attributes (Adapter)
16385 Adapter Parameter 1 Attributes
… …
Attribute
ID Access
Rule Name Data Type Description
0 Get Number of
Instances WORD Number of parameters in the device
1 Get/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 = DPI
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.)