United Security Products AVD-45c Manual Pagina 205

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1/03 UDC 6300 Process Controller Product Manual 191
5.17 Digital Outputs, Continued
Priority level for
digital outputs
The controller will control the Digital Outputs using the following
structure:
Priority Level Function
1(Highest) Output Algorithm
2 Alarms
3(Lowest) Digital Input and Gate Outputs
Output algorithm and
alarms priority
The output algorithm has the highest priority, so, that when an output
algorithm is programmed to use a digital output, the alarm type for that
output will not be accessible form the keyboard.
For example:
If OUT ALG prompt in Set UP Group “Output Algorithm” is
configured for TIME, then A3S1 TYPE and A3S2 TYPE prompts
in Set UP Group “Alarms” will not be displayed in this Set Up
group.
Digital Input and gate
output priority
The Digital Inputs and the Gate Outputs have the same priority. They
operate as an OR function with one another. The digital output will be
active if either digital input or the gate output is a “TRUE” condition.
These conditions are ignored when an output is configured for either an
output algorithm or an alarm.
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