170 G7 ASD Operation Manual
Frequency Point Selection
Program ⇒ Communication Setting Parameters ⇒ Communication
Reference Adjust
This parameter select s the communication s reference for scal ing.
See F811 — F814 for further information on this setting.
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:
Disabled
Common Serial (TTL)
RS232/RS485
Communication Card
Direct Access Number — F810
Parameter Type — Selection List
Factory Default — Disabled
Changeable During Run — Yes
Communications Reference Setpoint #1 (%)
Program ⇒ Communication Setting Parameters ⇒ Communication
Reference Adjust
When enabled at F810, this pa rameter is used to al low the user to set th e 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 t he gain and bias
properties of the input signal are :
•Communications Reference Speed Setpoint #1 (frequency)
(F812),
• the communi cations input signal value that represents
Communications Reference Speed Setpoint #1 (frequency): F811,
•Communications Reference Speed Setpoint #2 (frequency)
(F814), and
• the communi cations 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 drive
will vary in accordance with the above se ttings.
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.
Direct Access Number — F811
Parameter Type — Numeri cal
Factory Default — 0.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — 100.0
Units — %
F810 F811