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F810
Frequency Point Selection
Program Communications Communication Adjustments
This parameter is used to set the communications reference for scaling.
See
F811
—
F814
for additional information on this parameter.
Note:
Scaling the communications signal is not required for all
applications.
Changes made to this parameter require that the power be cycled (off then on)
for the changes to take effect.
Settings:
0 — Disabled
1 — 2-Wire RS485 (EOI)
2 — 4-Wire RS485 (Terminal Board)
3 — Communication Option Board
Point 1 Setting
Program Communications Communication Adjustments
When enabled at F810, this parameter is used to allow the user to set the gain
and bias of the speed control input to the ASD when the speed control signal is
received via the source selected at F810.
Gain and Bias Settings
When operating in the Speed Control mode and using one of the control
sources from Settings above, the settings that determine the gain and bias
properties of the input signal are:
• Communications Reference Speed Setpoint 1 (frequency) (F812),
• the communications input signal value that represents Communications
Reference Speed Setpoint 1 (frequency): F811,
• Communications Reference Speed Setpoint 2 (frequency) (F814), and
• the communications input signal value that represents Communications
Reference Speed Setpoint 2 (frequency): F813.
Once set, as the input signal value changes, the output frequency of the ASD
will vary in accordance with the above settings.
This parameter sets the Communications Reference input value that represents
Communications Reference Speed Setpoint 1 (frequency). This value is
entered as 0 to 100% of the Communications Reference input value range.
Changes made to this parameter require that the power be cycled (off then on)
for the changes to take effect.
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Direct Access Number — F810
Parameter Type — Selection List
Factory Default — Disabled
Changeable During Run — Yes
Direct Access Number — F811
Parameter Type — Numerical
Factory Default — 0
Changeable During Run — Yes
Minimum — 0
Maximum — 100
Units — %
Q9 Plus ASD Installation and Operation Manual
F811
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