
CC-LINK Network Communication
WUME-SCHG1C-4
4-31
4-8 Continuous reading of measurement data
If you want to continuously read judgment values, normal measured values, calculated values,
and sensor head values at once from all connected controllers, you can use a sensor response
data switching request to change to each mode and continuously read the values without the
need for commands.
Measurement mode
Description
Judgment value
Judgment values are read continuously.
Normal measured value Normal measured values are read continuously.
Calculated value
Calculated values are read continuously.
Sensor head value
Sensor head values are read continuously.
An example of reading judgment values when a master unit and slave units 1 to 3 are connected
is shown below.
is only set when the operation mode is CC-Link mode 1.
RX[7B] (*1)
Check remote ready flag
1
RX[08]
Check judgment value flag
RY[08]
Set judgment value flag
2
{RY[0B], RY[0A], RY[09], RY[08]} = {0,0,0,1}(*2)
{RX[0B], RX[0A], RX[09], RX[08]} = {0,0,0,1} (*2)
RWr[02] to [09]
Check sensor response data
(Master unit + 3 slave units)
Measurement data update cycle
First-time mea-
surement data
wait time
RX[7A] (*3)
Check error status flag
RY[10]
Page 1 settings
RX[10]
Check page 1 settings
3
4
Judgment value
Judgment value
Judgment value
5
{RY[0B], RY[0A], RY[09], RY[08]} = {0,0,0,1} (*2)
When operation mode is CC-Link mode 1
In case of judgment value
1.
Check that RX[7B] (*1): remote ready flag is set.
2.
Set the RY[08]: judgment value flag bit. Judgment value reading is requested and the
RX[08]: judgment value flag is set. Clear sensor response data switching request flags other
than the judgment value flag in advance.
The values will be as shown in the table below depending on the measurement mode that is
read.
Measurement mode
RY[0B]
RY[0A]
RY[09]
RY[08]
Judgment value
0
0
0
1
Normal measured value
0
0
1
0
Calculated value
0
1
0
0
Sensor head value
1
0
0
0
Содержание SC-HG1-C
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