Access From The User Program; Process Image - Beckhoff KL3222 Documentation

Access from the user program

5 Access from the user program
5.1

Process image

Complete process image
The KL3222/KS3222 is represented in the complex process image with 6 bytes of input data and 2 bytes of
output data. These are organized as follows:
Byte offset (without word
alignment)
0
1
3
4
Compact process image
The KL3222 is represented in the compact process image with 4 bytes input data and without output data.
These are organized as follows:
Byte offset (without word
alignment)
0
1
*) word alignment: The Bus Coupler sets words to even byte addresses
Key
SB1, SB2: Status bytes of channels 1 and 2
CB1, CB2: Control bytes of channels 1 and 2
DataIN1, DataIN2 input words of channels 1 and 2
DataOUT: not present
32
Byte offset (with word align-
ment*)
0
2
4
6
Byte offset (with word align-
ment*)
0
1
Version: 2.3.0
Format Input data
Byte
SB1 [} 33]
Word DataIN1
Byte
SB2 [} 33]
Word DataIN2
Format Input data
Word DataIN1
Word DataIN2
Output data
CB1 [} 33]
-
CB2 [} 33]
-
Output data
-
-
KL3222