56
to reset drive faults externally.
Internal Fault Reset (485)
The
Internal Fault Reset
displays the status of the Fault Reset pushbutton on the control
board.
Power On Reset (327, Read-Only)
The
Power On Reset
is used to automatically clear any latched faults on power up. Note:
This parameter is not directly accessible for viewing from the keypad.
Fault Reset (486)
Fault Reset
displays the logical 'OR' result of the
Internal Fault Reset
,
External Fault
Reset
,
Keypad Fault Reset
, and the
Power On Reset
. The
Present Fault Status
parameter must be equal to zero (indicating no faults) before the
Fault Reset
can clear the
Latched Fault Status
.
7.30 Applications Block - Auxiliary PI Loop
An Auxiliary PI loop is provided for system integration with dancers potentiometers or loadcells. The
block provides for Proportional and Integral loop control.
Figure 51
Setpoint (350)
The desired position on dancer systems or the desired tension on loadcell control.
Feedback (351)
The dancer feedback signal or loadcell feedback signal. This signal will typically come from
one of the Analog Inputs.
Error (352, Read-Only)
The difference between the desired
Setpoint
and the actual
Feedback
.
Proportional Gain (355)
The
Proportional Gain
scales the output based upon the
Error
. Increasing the gain
improves the loop response but can also increase overshoot.
Integral Time (356)
The
Integral Time
adjustment eliminates steady-state error. Decreasing the integral time
improves loop response. However, setting it too low can cause oscillation. The adjustment is
in seconds and corresponds to the amount of time that the
PI Output
signal would take to
integrate from 0.00% to 100%.
Integral Clamp (353)
When
Integral Clamp
is True, the integral signal is clamped to zero in the PI loop, yielding
proportional control only.
Summary of Contents for Elite Pro EPN020-000
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