ACE-tronics G9 ASD Installation and Operation Manual
131
UP/DOWN Frequency (UP) Response Time
Program
Frequency
UP/DOWN Frequency Functions
This parameter functions in conjunction with the parameter settings of
F265
,
F266
,
F267
,
F268
, and
F269
. The purpose of these settings is to setup the ASD
to allow an externally-supplied discrete input signal to control the output
frequency of the ASD.
This method uses the discrete input terminal settings UP/DOWN Frequency
(UP) and UP/DOWN Frequency (DOWN) to change the ASD speed.
Activation of either terminal increases or decreases the output frequency at the
Accel 1 or Decel 1 rates, respectively.
Depending on the Delay setting, the UP/DOWN Frequency (UP/DOWN)
terminal may perform 1) the increase/decrease function for the duration of
activation or 2) the UP/DOWN Frequency (UP/DOWN) terminal may act as a
momentary contact that loads a new commanded frequency upon activation.
In either case, to activate-and-hold will continue the up or down function until
reaching the Upper-Limit Frequency or the Lower-Limit Frequency,
respectively. At which point further activation will be ignored.
See
Figure 30 on pg. 133
for additional information on the UP/DOWN
Frequency function.
Setup Requirements
F003
— Selects the Command control source; set to Terminal Board.
F004
— Selects the Frequency Control Mode 1 control source; set to
UP/DOWN Frequency.
F207
— Selects the Frequency Control Mode 2 control source; set to
UP/DOWN Frequency if used.
Set one unused discrete input terminal to UP/DOWN Frequency (UP) and
one unused discrete input terminal to UP/DOWN Frequency (DOWN).
F264
— Sets the system-response delay to the initial activation of the discrete
input terminal UP/DOWN Frequency (UP). Also sets the response delay of
subsequent terminal activations of the UP/DOWN Frequency (UP) terminal
during an activate-and-hold.
F265
—Sets the frequency increase amount for each activation of the UP/
DOWN Frequency (UP) terminal activation. The rate of the frequency
increase is set at Acceleration Time 1 — UP/DOWN Frequency Accel
Time (
F009
).
F266
— Sets the system-response delay to the initial activation of the discrete
input terminal UP/DOWN Frequency (DOWN). Also sets the activation
delay of subsequent terminal activations of the UP/DOWN Frequency
(DOWN) terminal during an activate-and-hold.
F267
—Sets the frequency decrease amount for each activation of the UP/
DOWN Frequency (DOWN) terminal activation. The rate of the frequency
decrease is set at Deceleration Time 1 — UP/DOWN Frequency Decel
Time (
F010
).
F268
— At power up or after a reset, this parameter setting is used to provide
a starting frequency for the UP/DOWN Frequency function.
F269
— At power down while running, and when enabled, this parameter
writes the running frequency into the
F268
location and, upon a system
restart, uses this setting as the startup frequency.
Provide a Run command (F or R). The motor will run at the
F268
setting.
Direct Access Number — F264
Parameter Type — Numerical
Factory Default — 0.1
Changeable During Run — Yes
Minimum — 0.0
Maximum — 10.0
Units — Seconds
UP/DOWN Frequency (UP) Mode
UP/DOWN Frequency (DOWN)
Mode
F264
F264
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