
Core Software Operation
ADDvantage-32 PLUS ● AC to DC Power Converter
3-3
data table. If the FAX-32 board is not used, the values for the additional eight parameters
are always indeterminate.
3.4 CONFIGURABLE DIGITAL OUTPUTS
Y*** Parameters
Y***:USER LED PT
Y***:DIG OUT 1
Y***:DIG OUT 2
Y***:DIG OUT 3
Y***:DIG OUT 4
The digital outputs are Form C contact outputs located on the microprocessor board.
Each output is configurable to a value in the digital data table. The state of the
NORMALLY OPEN contact of a digital output will always match the state of the bit in
the digital table to which it is configured. If the bit in the digital table is ONE/TRUE
then the NORMALLY OPEN contact will be closed. Otherwise if the bit in the digital
table is ZERO/FALSE then the NORMALLY OPEN contact will be open. Outputs are
always functional and can be disabled by configuring them to either D***:ZERO BIT or
D***:ONE BIT, which holds the output in a constant state.
For example, if a particular application requires that a contact output be closed when a
fault occurs, perform the following:
1. Locate the value in the digital data table which signifies an ADDvantage-32
PLUS fault. (D***:FAULT)
2. Configure Y***:DIG OUT 1 to D***:FAULT. Any time a fault occurs, the first
digital NORMALLY OPEN output closes.
The user LED is similar in that it is configured to a digital data bit. When the bit is
ONE/TRUE, the LED will light. The user LED is the first yellow LED on the drive.
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