Bring the block online, Bring the block online -10 – National Instruments FP-3000 User Manual
Page 45

Chapter 3
Example Applications
FieldPoint FP-3000 User Manual
3-10
www.ni.com
3.
Set the block to use linear scaling by setting the
L_TYPE
parameter on
the Scaling tab to
Indirect
.
At this point, you could schedule the block to execute and bring it online.
However, for this exercise, you will wait until you have finished
configuring each of your blocks to do this. Refer to the section
if you would like to do this now.
Bring the Block Online
1.
Go to the
MODE_BLK
parameter on the Process tab of the FP-3000
resource block and set the
TARGET
to
Auto
, or click on the Auto button
on the block configuration window.
2.
Go to the
MODE_BLK
parameter on the Process tab of the new block
you created and set the
TARGET
to
Auto
, or click on the Auto button
on the block configuration window.
3.
If the Periodic Updates checkbox is checked, the
MODE_BLK.ACTUAL
parameter should change to
Auto
after a few seconds. Otherwise,
re-read the parameter by clicking on the Read Selected or Read All
button with
MODE_BLK
selected. If it does not go to
Auto
, refer to
Appendix F,
, for more information.
Once the block goes to
Auto
, it is fully operational. You can look at the
value of
OUT
on the Process tab and see the temperature reading from the
thermocouple in degrees Celsius. The temperature reading is ready to be
used for control.
If you are only interested in taking thermocouple readings and not
interested in closed loop control, you are finished with this example.
Close any open block configuration windows before you proceed to the
next section.