BECKHOFF ILxxxx-B520 - Manual (Page 30)

Analog Input Channel Object
27 ILxxxx-B520
6 Analog Input Channel Object
Analog Input Channel The Analog Input Channel Class allows the access to the IO-Data and the
Register Data of each analog channel of the ILxxxx-B520 and the con-
nected extension boxes. At Boot Up the ILxxxx-B520 determines the num-
ber of analog input channels and creates one instance of the object class
for each channel.
The Analog Input Channel Object Class is Vendor specific and within in the
range of the Vendor specific Class Codes.
Class Code:
103 (67hex)
Class Attributes
Attribute
ID
Access
Rule
Name Data
Type
Description Semantics of
Value
1 get Revision UINT Revision of implementation 1
2 get Max. Instance UINT Max. number of instances
Instance Attributes
Attribute
ID
Access
Rule
Name Data
Type
Description Semantics of Value
1
(01hex)
get Value Array of
BYTE Value of analog input
channel Number of Bytes
differs between ana-
log and special signal
extension boxes
2
(02hex)
get Value Length USINT Value length in Bytes
100
(64hex)
get/set
1
Register 0 DWORD Value of Register 0 of
the analog input chan-
nel see semantics
: : : : : :
106
(6Ahex)
get Register 6 DWORD Diagnosis Register see semantics
: : : : : :
163
(A3hex)
get/set
1
Register 63 DWORD Value of Register 63 of
the analog input chan-
nel see semantics
1: before writing the registers the write protection of the registers has to be disabled.