Alternative format
In the alternatives format, the KL1501 is mapped with 4/6 bytes of input data and 4/6 bytes of output data.
Requirements |
Word offset |
High byte |
Low byte |
---|---|---|---|
Complete evaluation: no |
0 |
D0 |
Cnt-CB/SB |
1 |
D2 |
D1 |
Requirements |
Word offset |
High byte |
Low byte |
---|---|---|---|
Complete evaluation: no |
0 |
Cnt-CB/SB |
D0 |
1 |
D1 |
D2 |
Requirements |
Word offset |
High byte |
Low byte |
---|---|---|---|
Complete evaluation: yes |
0 |
Cnt-CB/SB |
CB/SB |
1 |
Res. |
D0 | |
2 |
D2 |
D1 |
Requirements |
Word offset |
High byte |
Low byte |
---|---|---|---|
Complete evaluation: yes |
0 |
D0 |
CB/SB |
1 |
Res. |
Cnt-CB/SB | |
2 |
D1 |
D2 |
Requirements |
Word offset |
High byte |
Low byte |
---|---|---|---|
Complete evaluation: yes |
0 |
Res. |
CB/SB |
1 |
D0 |
Cnt-CB/SB | |
2 |
Res. |
Res. | |
3 |
D2 |
D1 |
Requirements |
Word offset |
High byte |
Low byte |
---|---|---|---|
Complete evaluation: yes |
0 |
Res. |
CB/SB |
1 |
Cnt-CB/SB |
D0 | |
2 |
Res. |
Res. | |
3 |
D1 |
D2 |
Legend
Complete evaluation: |
The terminal is mapped with control and status byte. |
Motorola format |
Motorola or Intel format can be set. |
Word alignment |
The terminal is positioned on a word boundary 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. |
D0 |
Data byte 0 |
D1 |
Data byte 1 |
D2 |
Data byte 2 |
Res. |
This byte is assigned to the process data memory, although it has no function. |