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More examples of control outputs, Detection on an analog input, dac and p2c updates – Measurement Computing DaqBoard 3000USB Series User Manual

Page 89

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More Examples of Control Outputs

Detection on an Analog Input, DAC and P2C Updates

Update Mode: Update on True and False
Criteria: Ch 5 example: Below Limit; Ch 4 example: Inside Window

In this example Channel 5 has been programmed with reference to one setpoint [Limit A], defining a low
limit; and Channel 4 has been programmed with reference to two setpoints [Limits A and B] which define
a window for that channel.

Channel

Condition

State of
Detect Signal

Action

True

When Channel 5 analog input voltage is below the limit A,
update DAC1 with Output Value 0.0V.

5

Below Limit A
(for Channel 5)

False

When the above stated condition is false, update DAC1 with
the Output Value of minus 1.0V.

True

When Channel 4 analog input voltage is within the window,
update P2C with 70h.

4 Within

Window

(Between Limit A
and Limit B) for
Channel 4

False

When the above stated condition is false (Channel 4 analog
input voltage is outside the window) update P2C with 30h.

Limit A

(for Channel 5)

DAC1

Detection

(for Channel 5)

Limit A

(for Channel 4)

Limit B

(for Channel 4)

P2C

Detection

Signal

(for Channel 4)

Analog Inputs with Setpoints

Update on True and False

DaqBoard/3000 Series User’s Manual

887794

Setpoint Configuration for Output Control 6-7