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 | R/W | - | - | - | - | - | - |
Bit | Name | Description | |
|---|---|---|---|
CB.7 | RegAccess | 0bin | Register communication off (process data mode) |
CB.6 | R/W | 0bin | Read access |
1bin | Write access | ||
CB.5 | - | reserved | |
CB.4 | - | reserved | |
CB.3 | - | reserved | |
CB.2 | - | reserved | |
CB.1 | - | reserved | |
CB.0 | - | reserved | |
Status byte (for process data mode)
The status byte (SB) is located in the input image, and is transmitted from terminal to the controller.
Bit | SB.7 | SB.6 | SB.5 | SB.4 | SB.3 | SB.2 | SB.1 | SB.0 |
Name | RegAccess | Error | - | - | - | - | overrange | underrange |
Bit | Name | Description | |
|---|---|---|---|
SB.7 | RegAccess | 0bin | Process data mode switched on |
SB.6 | Error | 1bin | Measuring range exceeded, overrange or underrange; the Error LED lights up or conversion error or invalid measuring range |
SB.5 | - | reserved | |
SB.4 | - | reserved | |
SB.3 | - | reserved | |
SB.2 | - | reserved | |
SB.1 | overrange | 1bin | Electrical measuring range exceeded |
SB.0 | underrange | 1bin | Electrical measuring range undershot |