KEYENCE CB-EP100 - Manual (Page 125)

5-5 Objects for use with the CB-EP100
5-9
5
Ap
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- EtherNet/IP Network Unit CB-EP100 User’s Manual (LJ-V7000 Edition) -
Reading class attributes and instance attributes
Example) Excerpt from Identity Object class attributes
Data type
The data type is defined in the EtherNet/IP specifications as follows:
Reading Each Object Table
(1) (2) (3) (4) (5) (6)
Attribute ID Name Description Attribute Data Type Parameter Range
01H Revision Object Revision R UINT 0001H
Item Description
(1) Attribute ID Indicates the attribute ID in hexadecimal notation.
(2) Name Indicates the attribute name.
(3) Description Describes the attribute.
(4) Attribute
Indicates the direction of services for the attribute ID.
R (read):
Get_Attribute_Single or Get_Attributes_All can be used to read
attribute values.
W (Write): Set_Attribute_Single can be used to write a value into the
attribute.
(5) Data type Indicates the attribute data type.
(6) Parameter range
Indicates the data to be read from attributes or the range of parameters that
can be set.
Data Type Description
Range
Minimum Maximum
INT Signed 16-bit integer -32768 32767
UINT Unsigned 16-bit integer 0 65535
USINT Unsigned 8-bit integer 0 255
UDINT Unsigned 32-bit integer 0 2
32
-1
DINT Signed 32-bit integer -2
31
2
31
-1
WORD Bit string: 16 bits - -
DWORD Bit string: 32 bits - -
BYTE Bit string: 8 bits - -
SHORT_STRING
Character string
(1-byte length information + 1-byte array per
character)
- -
STRING
Character string
(2-byte length information + 1-byte array per
character)
- -