Rockwell-automation RECOMM-ENET EtherNet/IP Communications Module Manual de usuario Pagina 167

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EtherNet I/P Objects
C-31
C.12 DPI Time Object
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
Hexadecimal Decimal
0x9B 155
Instances (Hex) (Dec) Device Example Description
0x0000-0x3FFF 0-16383 Host 0 Class Attributes (Drive)
0x4000-0x43FF 16384-17407 Module 1 Real Time Clock
(Predefined) Not always
supported
0x4400-0x47FF 17408-18431 DPI Port 1 2 Timer 1
0x4800-0x4BFF 18432-19455 DPI Port 2 3 Timer 2
0x4C00-0x4FFF 19456-20479 DPI Port 3
...
...
0x5000-0x53FF 20480-21503 DPI Port 4
0x5400-0x57FF 21504-22527 DPI Port 5
0x5800-0x5BFF 22528-23551 DPI Port 6
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
3GetFirst 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)
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