BECKHOFF BK7000 - Manual (Page 26)

Appendix
25 BK 7000
Area for bit-oriented data,
digital outputs
Relative byte
address
Bit position Process image in
the control unit Position in the
block
12 0 O12 POS07
12 1 O12 POS07
12 2 O12 POS08
12 3 O12 POS08
12 4 O12 POS09
12 5 O12 POS09
12 6 O12 POS18
12 7 O12 POS18
13 0 O13 POS19
13 1 O13 POS19
Area for byte-oriented
data, analog inputs
Relative byte
address
Bit position Process image in the
control unit Position in the
block
0, 1 none I0, I1 POS10
2, 3 none I2, I3 POS13
Area for bit-oriented data,
digital inputs
Relative byte
address
Bit position Process image in the
control unit Position in the
block
4 0 I4 POS02
4 1 I4 POS02
4 2 I4 POS03
4 3 I4 POS03
4 4 I4 POS04
4 5 I4 POS04
4 6 I4 POS05
4 7 I4 POS05
5 0 I5 POS06
5 1 I5 POS06
5 2 I5 POS15
5 3 I5 POS15
5 4 I5 POS16
5 5 I5 POS16
5 6 I5 POS17
5 7 I5 POS17
The items POS14 and POS21 are not relevant to data exchange and do
not appear in the list. If a byte is not fully used, for example O13, the bus
coupler pads its remaining bits with zeroes.
Overview of the distribution of the process image in the bus coupler:
Output data
in the bus coupler
O0
...
byte-oriented data
...
O11
O12
bit-oriented data
O13
Input data
in the bus coupler
I0
...
byte-oriented data
...
I3
I4
...
bit-oriented data
...
I5