41
7.15 Frequency/Digital Output Block
The Elite Pro has a configurable digital output that can be
setup to output logic values (on/off) or numeric values in the
form of a frequency output. Note: The Frequency/Digital
Output is an open collector opto-coupler output. A voltage
must be supplied at the required terminals for the output to
function properly when switch SW3 is in the external position. Refer to
Example Connections D12326. Otherwise, the internal 5V supply can be
used by selecting the internal position.
Frequency/Digital Mode (90)
This parameter selects the type of output desired: frequency or digital.
Source (89, ICR)
The tag number of the parameter from which data is to be taken.
Absolute Value (Applicable for Digital Output Only) (91)
When
Absolute Value
is True, the absolute value of the source data is used to provide a
positive only level. This allows bipolar signals to operate the output properly regardless of the
signal polarity.
On Value (Applicable for Digital Output Only) (92) Refer to footnote
Error! Bookmark not
defined.
on p.38
The threshold level that the source signal must equal or exceed in order for the digital output
to be on.
Off Value (Applicable for Digital Output Only) (93) Refer to footnote on p.38
The threshold level that the source signal must equal or fall below in order for the digital
output to be off.
Invert (Applicable for Digital Output Only) (94)
When Invert is True, the output logic is inverted.
Gain (Applicable for Frequency Output Only) (95)
The Gain adjustment is used to scale the maximum output. 100.00% gain equates to 2000 Hz
output. This value can be calculated as follows:
%
100
Hz
2000
Hertz
in
Output
Scale
Full
Desired
Gain
×
=
Bias (Applicable for Frequency Output Only) (96)
The Bias adjustment can be used to set a minimum output.
Status (170, Read-Only)
The level of the frequency/digital output can be viewed for diagnostic purposes. In the
frequency mode, the sensor indicates the actual frequency level output in Hertz. In the digital
output mode, 0 indicates the output is off (low), while -1 indicates the output is on (high).
Example - Frequency Output
Setup the Frequency Output to monitor the Armature Current Feedback. A full-scale level of
1800 Hz should correspond to 100% current.
1. While the drive is stopped, go to Setup|Programming|Outputs|Frequency/Digital menu
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