Process data mode
Control byte 1 (for process data mode)
Control byte 1 (CB1) is located in the output image, and is transmitted from the controller to the terminal.
|
Bit |
CB1.7 |
CB1.6 |
CB1.5 |
CB1.4 |
CB1.3 |
CB1.2 |
CB1.1 |
CB1.0 |
|
Name |
RegAccess |
- |
Cali |
Gain |
Offset |
Clock |
up |
down |
Key
|
Bit |
Name |
Description | ||
|---|---|---|---|---|
|
CB1.7 |
RegAccess |
0bin |
Register communication off (process data mode) | |
|
CB1.6 |
- |
0bin |
reserved | |
|
CB1.5 |
Cali |
1bin |
Terminal compensation function is activated |
A gain and offset calibration of the terminal can be carried out with the control byte in process data mode. The code word must be entered in register R31 so that the calibration can be carried out. |
|
CB1.4 |
Gain |
1bin |
Gain calibration | |
|
CB1.3 |
Offset |
1bin |
Offset calibration | |
|
CB1.2 |
Clock |
0bin |
slow clock | |
|
1bin |
fast clock | |||
|
CB1.1 |
up |
1bin |
up | |
|
CB1.0 |
down |
1bin |
down | |
Status byte 1 (for process data mode)
The status byte 1 (SB1) is located in the input image and is transmitted from terminal to the controller.
|
Bit |
SB1.7 |
SB1.6 |
SB1.5 |
SB1.4 |
SB1.3 |
SB1.2 |
SB1.1 |
SB1.0 |
|
Name |
RegAccess |
Error |
- |
- |
- |
- |
Overrange |
Underrange |
Key
|
Bit |
Name |
Description | |
|---|---|---|---|
|
SB1.7 |
RegAccess |
0bin |
Acknowledgement for process data mode |
|
SB1.6 |
Error |
1bin |
General error bit |
|
SB1.5 ... SB1.2 |
- |
0bin |
reserved |
|
SB1.1 |
Overrange |
1bin |
Process data too large |
|
SB1.0 |
Underrange |
1bin |
Process data too small |