Rockwell-automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Commun Manual de usuario Pagina 209

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Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013 209
EtherNet/IP Objects Appendix C
DPI Time Object
Class Code
Services
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.
1 Get/Set Value Various Diagnostic item value
2 Get International Diagnostic Item Text STRUCT of:
STRINGN
STRINGN
Diagnostic name text
Diagnostic units text
3 Get International Full Read All STRUCT of:
BOOL[32]
CONTAINER
CONTAINER
CONTAINER
CONTAINER
WORD
WORD
WORD
WORD
WORD
INT
DWORD
BOOL[32]
STRINGN
STRINGN
Descriptor
Value
Minimum
Maximum
Default
Pad Word
Pad Word
Multiplier
Divisor
Base
Offset
Pad
Extended descriptor
Diagnostic name text
Diagnostic units text
(1) A CONTAINER is a 32-bit block of data that contains the data type used by a value. If signed, the value is sign extended. Padding is used in the CONTAINER to ensure that it is
always 32-bits.
(2) This value is used in the formulas used to convert the value between display units and internal units. See Formulas for Converting
on page 204.
Attribute ID Access Rule Name Data Type Description
Hexadecimal Decimal
0x9B 155
Service Code Implemented for: Service Name
Class Instance
0x0E Yes Yes Get_Attribute_Single
0x10 Yes Yes Set_Attribute_Single
Instances (Hex.) (Dec.) Device Example Description
0x0000…0x3FFF 0…16383 Host 0 Class Attributes (Drive)
0x4000…0x43FF 16384…17407 Adapter 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
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