20
Q7 ASD Installation and Operation Manual
I/O Terminal Descriptions
Note:
The programmable terminal assignments may be accessed and changed from their
default settings as mapped on
ST — The default setting for this terminal is ST. The function of this input as ST is a Standby mode
controller (system is in Standby when on). As the default setting, this terminal must be connected to
CC for normal operation. If not connected to CC, Off is displayed on the LCD screen. This input
terminal may be programmed to any 1 of the 68 functions that are listed in
.
RES — The default setting for this terminal is Reset. A momentary connection to CC resets the ASD
and any fault indications from the display. Reset is effective when faulted only.
F — The default setting for this terminal is Forward Run. Forward Run runs the motor in the
Forward direction when it is on. This input terminal may be programmed to any 1 of the 68 functions
that are listed in
.
R — The default setting for this terminal is Reverse Run. Reverse Run runs the motor in the Reverse
direction when it is on. This input terminal may be programmed to any 1 of the 68 functions that are
listed in
.
S1 — The default setting for this terminal is Fire Speed. The function of this input as Fire Speed is to
run the motor at the Preset Speed #1 setting when it is on (see
). This terminal
may be activated by a fire alarm signal or fire sensing device. This discrete input terminal may be
programmed to any 1 of the 68 functions that are listed in
.
S2 — The default setting for this terminal is S2. The function of this input as S2 is to run the motor at
Preset Speed #2 (see
) when it is on. This input terminal may be programmed
to any 1 of the 68 functions that are listed in
S3 — The default setting for this terminal is Damper Feedback. The function of this input as Damper
Feedback is to provide an indication that the damper is open. Connecting Damper Feedback to CC is
required for normal system operation. This discrete input terminal may be programmed to any 1 of the
68 functions that are listed in
S4 — The default setting for this terminal is Emergency Off (normally closed). The function of this
input as Emergency Off is to remove power from the output of the ASD and may apply a supplemental
braking system using the method selected at the Emg Off Mode selection parameter. This input
terminal may be programmed to any 1 of the 68 functions that are listed in
.
RR — The default function assigned to this terminal is to carry out the Frequency Mode #1 setting.
The RR terminal accepts a 0 – 10 VDC input signal and controls the function assigned to this terminal.
This input terminal may be programmed to control the speed or torque of the motor. It may also be used
to regulate (limit) the speed or torque of the motor. The gain and bias of this terminal may be adjusted
for application-specific suitability.
RX — The RX terminal accepts a ±10 VDC input signal and controls the function assigned to this
terminal. This input terminal may be programmed to control the speed, torque, or direction of the motor.
It may also be used to regulate (limit) the speed or torque of the motor. The gain and bias of this
terminal may be adjusted for application-specific suitability.
II — The function of the II input is to receive a 4 – 20 mA input signal that controls a 0 – 80 Hz output.
This input terminal may be programmed to control the speed or torque of the motor and may not be used
when using the VI input. Also, the gain and bias of this terminal may be adjusted.