Instruction Manual

DeviceNet Objects C-21
20-COMM-D DeviceNet Adapter User Manual
Publication 20COMM-UM002G-EN-P
DPI Diagnostic Object
Class Code
Services
Instances
The number of instances depends on the maximum number of diagnostic
items in the device. The total number of diagnostic items can be read in
Instance 0, Attribute 2.
Class Attributes
Instance Attributes
Hexadecimal Decimal
0x99 153
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 Drive Diagnostic Item 1
0x4400…0x47FF 17408…18431 DPI Port 1 2 Drive Diagnostic Item 2
0x4800…0x4BFF 18432…19455 DPI Port 2
… …
0x4C00…0x4FFF 19456…20479 DPI Port 3 16384 Class Attributes (Adapter)
0x5000…0x53FF 20480…21503 DPI Port 4 16385 Adapter Diagnostic Item1
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 1
2 Get Number of Instances WORD Number of diagnostic items in the device
3 Get ENUM Offset WORD DPI ENUM object instance offset
Attribute ID Access Rule Name Data Type Description
0 Get Full/All
Information
STRUCT of:
BOOL[32]
CONTAINER
(1)
CONTAINER
CONTAINER
CONTAINER
WORD
WORD
STRING[4]
UINT
UINT
UINT
INT
DWORD
STRING[16]
Descriptor (see page C-15
)
Value
Minimum value
Maximum value
Default value
Pad Word
Pad Word
Units (e.g., Amp, Hz)
Multiplier
(2)
Divisor
(2)
Base
(2)
Offset
(2)
Link (source of the value) (0 = no link)
Always zero (0)
Parameter name
1 Get/Set Value Various Diagnostic item value
(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 C-16.