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

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C-30 DeviceNet Objects
Class Code
Instances
The number of instances depends on the number of timers in the device.
Instance 1 is always reserved for a real time clock although a device may
not support it. The total number of timers can be read in Instance 0,
Attribute 2.
Class Attributes
DPI Time Object
Hexadecimal Decimal
0x9B 155
Number Description
0 Class Attributes
1 Real Time Clock (Predefined)
(Not always supported)
2 Timer 1
3 Timer 2
… …
Attribute
ID Access
Rule Name Data Type Description
1 Get Class Revision WORD Revision of object
2 Get Number of
Instances WORD Number of timers in the object, excluding
the real time clock that is predefined.
3 Get First Device
Specific Timer WORD Instance of the first timer that is not
predefined.
4 Set Time Command
Write BYTE 0 = No Operation
1 = Clear all timers (Does not clear the
real time clock or read only timers)