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DAQFactory Guru Blog

Posted On: 8-May 08
= vs ==
A point of confusion for some is DAQFactory's use of the single = to assign a value to a variable, and double == to compare two values. Some languages use the single = for both, but this creates .....

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Control

DAQFactory SCADA / HMI Software

With DAQFactory software you can let your computer work for you. For example:

Change an output based on an input or system state

Using channel events, script that executes every time a new data point is read into DAQFactory, you can monitor any input and adjust outputs based on the reading. Or, monitor a group of inputs that describe your systems state and adjust your outputs to maintain that state.

Perform batch control, loading and running recipes automatically

In manufacturing, test and measurement, and many other fields you may want to run your system with a particular set of settings and then switch to a different set of settings. These are recipes, and with simple script, you can easily automate recipe loading, triggered either by time, system state, user interaction or input.

Complete different actions at different time intervals or times of day

Time is integral to DAQFactory. All data points receive a time stamp. Creating delays is easy, allowing you to perform specific actions at certain time intervals. Or, wait for a particular time of day, day of the week, week of the month to perform your tasks. DAQFactory is multitasking making creating loops with different intervals easy.

Use the built in PID controller to do tight closed loop control

Instead of buying hardware PID controllers, use DAQFactory's PID features to perform closed loop control of your system. Autotuning makes setting the PID parameters easier, along with constant display of various terms. No scripting required, but if you need more customized PID, you can create event script that allows you to extend DAQFactory's PID algorithm.

Create your own closed and open loop controllers

Using DAQFactory's powerful and flexible scripting engine you can create your own closed and open loop controller algorithms. The possibilities are unlimited. Since DAQFactory is completely multitasking, you can split up control loops into separate, simpler loops to make creating and maintaining the loops easy.