BECKHOFF ILxxxx-B520 User Manual
Page 31

Analog Input Channel Object
ILxxxx-B520
28
Semantics
Register 0 – 63
Within the response of a Get_Attribute_Single Service to the „Register
Data“ Attribute the status of the internal reading and the registers data is
returned by the ILxxxx-B520. The meaning of the registers data is de-
scribed in the ILxxxx-B520 manual.
Within the response of a Set_Attribute_Single Service to the „Register Da-
ta“ Attribute the status of the internal reading is returned by the ILxxxx-
B520.
Get_Attribute Response
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Status (Low Byte)
1
Status (High Byte) : 0 = OK, >0 = Error
2
Register data (Low Byte)
3
Register data (High Byte)
Set_Attribute Request
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Register data (Low Byte)
1
Register data (High Byte)
2
Not used
3
Not used
Set_Attribute Response
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Status (Low Byte)
1
Status (High Byte) : 0 = OK, >0 = Error
Common Services
Service Code
Service Name
Description
14
(0Ehex)
Get_Attribute_Single
Returns the contents of the specified
attribute
16
(10hex)
Set_Attribute_Single
Modifies an attribute Value