WX9 ASD Installation and Operation Manual
41
Frequency Control (F004)
The
Frequency Mode 1
(or the
Frequency Mode 2
)
setting establishes the user-selected source of the
control input for the ASD frequency. The signal source selected here is used for speed control unless the
Reference Priority Selection
parameter is configured to automatically switch this setting (see
if the
Override
feature is enabled (via communications or via the Hand mode operation).
The source of the
Frequency
control signal may be selected by:
•
The
setting,
•
Placing a signal source in the
Override
Mode
via communications, or
•
Placing the EOI in the
Hand
mode (places only the RS232/RS485 or TTL in the
Override
Mode
).
Frequency Control Selections
The following is a listing and description of the
Frequency Mode
) selections (Program
Fundamental
Standard Mode Selection
Frequency
Mode 1).
Settings:
1
—
VI/II
0 to 10-volt DC analog input connected to
VI
or a 4 – 20 mA (or 0 to 1 mA) DC current
connected to
II
(cannot use both simultaneously).
2
—
RR
(default setting)
0 to 10-volt DC analog input connected to
RR
.
3
—
RX
-10 to +10-volt DC analog input connected to
RX
.
4
—
RX2
-10 to +10-volt DC analog input connected to
RX2
.
5
—
CN8
Allows for
Frequency
control input via the
CN8
connector of the
Control Board
.
6
—
Binary/BCD Option
Allows for discrete input terminal input to control the ASD output.
7
—
Common Serial (TTL)
To use the
EOI
for control requires that the
LCD Port Connection
be set to
TTL
to use this feature.
8
—
RS232/RS485
To use the
EOI
for control requires that the
LCD Port Connection
be set to
RS232/RS485
.
9
—
Communication Option Board
Routes the control and monitoring I/O to CNU3 of the
Control Board
of the
WX9 ASD
(Option
Card connector).
10
—
UP/DOWN Frequency
Discrete input terminals may be configured to increase or decrease the speed of the motor by
momentarily connecting the assigned discrete input terminal to
CC
. See
for additional information on this feature.
11
—
Pulse Input (option)
Configures the system to receive pulse input. See
PG Speed Reference Setpoint
additional information on this feature.
Frequency
Command
Frequency
Mode 1
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