Control and status byte 0 for register communication
Control byte 0 in register communication
Control byte 0 (CB0) is in the output image and is transferred from the controller to the power terminal.
Bit | CB0.7 | CB0.6 | CB0.5 | CB0.4 | CB0.3 | CB0.2 | CB0.1 | CB0.0 |
Name | RegAccess | R/W | PR no. |
Key
Bit | Name | Description | |
---|---|---|---|
CB0.7 | RegAccess | 1bin | Register communication switched on |
CB0.6 | R/W | 0bin | Read access |
1bin | Write access | ||
CB0.5 to CB0.0 | PR no. | Parameter register number:
|
WARNING | |
Invalid process data during register communication! It is not possible to access the data registers during register communication! Process data that may still be displayed is not valid! |
Status byte 0 in register communication
Status byte 0 (SB0) is in the input image and is transferred from the power terminal to the controller.
Bit | SB0.7 | SB0.6 | SB0.5 | SB0.4 | SB0.3 | SB0.2 | SB0.1 | SB0.0 |
Name | RegAccess | R | PR no. |
Key
Bit | Name | Description | |
---|---|---|---|
SB0.7 | RegAccess | 1bin | Acknowledgment for register access |
SB0.6 | R | 0bin | Read access |
SB0.5 to SB0.0 | PR no. | The number of the parameter register that is to be read or written. |