Access From The User Program; Process Image - Beckhoff KL3208-0010 Documentation

5

Access from the user program

5.1

Process image

The terminal is represented in the complex process image with 24 bytes of input data and 24 bytes of output
data. These are organized as follows:
byte offset
(without word alignment)
0
1
3
4
6
7
9
10
12
13
15
16
18
19
21
22
The terminal is represented in the compact process image with 16 bytes of input data and no output data.
These are organized as follows:
byte offset
(without word alignment)
0
1
2
3
4
5
6
6
*) Word alignment: The Bus Coupler places values on even byte addresses
Key
SB1 ... SB8:
CB1 ... CB8:
DataIN1 ... DataIN8:
DataOUT1 ... DataOUT8: output data words of channels 1 to 8 (are used for register communication)
KL3208-0010, KL3228-0000,
KS3228-0000
byte offset
(with word alignment*)
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
byte offset
(with word alignment*)
0
1
2
3
4
5
6
6
status bytes of channels 1 to 8
control bytes of channels 1 to 8
input words of channels 1 to 8
Version: 3.1.0
Access from the user program
format input data
Byte
SB1 [} 36]
Word DataIN1
Byte
SB2 [} 36]
Word DataIN2
Byte
SB3 [} 36]
Word DataIN3
Byte
SB4 [} 36]
Word DataIN4
Byte
SB5 [} 36]
Word DataIN5
Byte
SB6 [} 36]
Word DataIN6
Byte
SB7 [} 36]
Word DataIN7
Byte
SB8 [} 36]
Word DataIN8
format input data
Word DataIN1
Word DataIN2
Word DataIN3
Word DataIN4
Word DataIN5
Word DataIN6
Word DataIN7
Word DataIN8
output data
CB1 [} 36]
DataOUT1
CB2 [} 36]
DataOUT2
CB3 [} 36]
DataOUT3
CB4 [} 36]
DataOUT4
CB5 [} 36]
DataOUT5
CB6 [} 36]
DataOUT6
CB7 [} 36]
DataOUT7
CB8 [} 36]
DataOUT8
output data
-
-
-
-
-
-
-
-
35