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

Page 45

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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

Set Up

Scheduling

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,

Troubleshooting

, 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.

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