BECKHOFF KL1501 - Manual (Page 18)

Appendix
16 KL1501
Alternative Format
In the Alternative format the KL1501 is mapped in the bus coupler with 4/6
bytes input and 4/6 bytes output data.
Conditions
Word offset High Byte Low Byte
0 D0 Cnt-CB/SB
1 D2 D1
Complete evaluation: no
Motorola format: no
Word alignment: no
Conditions
Word offset High Byte Low Byte
0 Cnt-CB/SB D0
1 D1 D2
Complete evaluation: no
Motorola format: yes
Word alignment: no
Conditions
Word offset High Byte Low Byte
0 Cnt-CB/SB CB/SB
1 res. D0
Complete evaluation: yes
Motorola format: no
Word alignment: no 2 D2 D1
Conditions
Word offset High Byte Low Byte
0 D0 CB/SB
1 res. Cnt-CB/SB
Complete evaluation: yes
Motorola format: yes
Word alignment: no 2 D1 D2
Conditions
Word offset High Byte Low Byte
0 res. CB/SB
1 D0 Cnt-CB/SB
2 res. res.
Complete evaluation: yes
Motorola format: no
Word alignment: yes
3 D2 D1
Conditions
Word offset High Byte Low Byte
0 res. CB/SB
1 Cnt-CB/SB D0
2 res. res.
Complete evaluation: yes
Motorola format: no
Word alignment: yes
3 D1 D2
Key Complete evaluation:
the terminal is mapped with control / status byte.
Motorola format:
The Motorola or Intel format can be set.
Word alignment:
The terminal is at a word limit in the bus coupler.
CB: Control Byte (appears in the process image of the outputs).
SB: Status Byte (appears in the process image of the inputs).
Cnt-CB: Control Byte in process data exchange
Cnt-SB: Status Byte in process data exchange
res.: reserved:
This byte occupies process data memory, although it is not used.