Process data mode
Control byte (for process data mode)
The control byte (CB) is located in the output image, and is transmitted from the controller to the terminal.
Bit | CB.7 | CB.6 | CB.5 | CB.4 | CB.3 | CB.2 | CB.1 | CB.0 |
Name | RegAccess | Reset | - | - | - | - | - | - |
Key
Bit | Name | Description | |
|---|---|---|---|
CB.7 | RegAccess | 0bin | Register communication off (process data mode) |
CB.6 | Reset | 1bin | all errors that may have occurred are reset by setting this bit (rising edge) |
CB.5 to CB.3 | - | 0bin | reserved |
CB.2 to CB.0 | - | 0bin | reserved |
Status byte (for process data mode)
The status byte (SB) is located in the input image, and is transmitted from the terminal to the controller.
Bit | SB.7 | SB.6 | SB.5 | SB.4 | SB.3 | SB.2 | SB.1 | SB.0 |
Name | RegAccess | Error | - | - | - | OverTemp | Err230V | Err24V |
Key
Bit | Name | Description | |
|---|---|---|---|
SB.7 | RegAccess | 0bin | Acknowledgment for process data mode |
SB.6 | Error | 0bin | No error |
1bin | An error has occurred | ||
SB.5 to SB.3 | - | 0bin | reserved |
SB.2 | OverTemp | 1bin | The internal temperature of the terminal is above 80°C |
SB.1 | Err230V | 1bin | The 230 V power supply voltage is not present |
SB.0 | Err24V | 1bin | The 24 V power supply voltage is not present |