156 Q9 ASD Installation and Operation Manual
Communications Reference 1
Program Communication Settings
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 drive 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 Speed 1 (frequency) (F812),
• the communications input signal value that represents Communications
Speed 1 (frequency): F811,
• Communications Speed 2 (frequency) (F814), and
• the communications input signal value that represents Communications
Speed 2 (frequency): F813.
Once set, as the input signal value changes, the output frequency of the drive will
vary in accordance with the above settings.
This parameter sets the Communications Reference 1 input value that represents
Communications Speed 1 (frequency). This value is entered as 0 to 100% of the
Communications Reference 1 input value range.
Changes made to this parameter require that the power be cycled (off then on) for
the changes to take effect.
Direct Access Number — F811
Parameter Type — Numerical
Factory Default — 0
Changeable During Run — Yes
Minimum — 0
Maximum — 100
Units — %
Communications Frequency 1
Program Communication Settings
This parameter is used to set the gain and bias of the Communications Speed 1
speed control input.
See F811 for more information on this setting.
Changes made to this parameter require that the power be cycled (off then on) for
the changes to take effect.
Direct Access Number — F812
Parameter Type — Numerical
Factory Default — 0.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — Max. Freq. (F011)
Units — Hz
Communications Reference 2
Program Communication Settings
This parameter is used to set the gain and bias of the Communications Reference
2 speed control input.
See F811 for more information on this setting.
This parameter sets the Communications Reference 2 input value that represents
Communications Speed 2 (frequency). This value is entered as 0 to 100% of the
Communications Reference 2 input value range.
Changes made to this parameter require that the power be cycled (off then on) for
the changes to take effect.
Direct Access Number — F813
Parameter Type — Numerical
Factory Default — 100
Changeable During Run — Yes
Minimum — 0
Maximum — 100
Units — %
F811 F813
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