Reading each object table, Reading each object table -18 – KEYENCE DL-EP1 User Manual
Page 110
5-5 Objects Usable by DL-EP1
5-18
Identity Object
5
Ap
pe
ndi
x
- EtherNet/IP Compatible Network Unit DL-EP1 User’s Manual (IL) -
Reading class attributes and instance attributes
Example) Excerpt from DL 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
Vendor ID
Indicates the vendor ID.
R
UINT
367
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 an attribute value.
(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
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)
-
-