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W7 ASD Installation and Operation Manual 123
S9 Terminal
Program Terminal Settings Input Terminals S9 Terminal
Assignment
This parameter selects the functionality of the S9 discrete input terminal.
Note: The S9 input terminal may be used without the ASD-
Multicom option board.
Without the ASD-Multicom option board the S9 terminal
settings will be stored in volatile memory. The terminal
settings will be lost if the system is powered down or reset.
In addition, the input terminal must be specified as Normally Open or
Normally Closed.
This parameter sets the programmable S9 terminal to 1 of the 69 possible
functions that are listed in
Table 6 on page 138.
Parameter Type — Selection List
Factory Default — Unassigned
Changeable During Run — No
Scan Rate
Program Protection Settings Scan Rate
In the event of a momentary power outage, the output signal of the ASD will
cease. Upon restoration of power, the ASD will output a low-level signal that
will be used to determine the rotation speed of the rotor.
The low-level signal will start scanning the motor at FH and decrease until it
reaches 0.0 Hz or it matches the signal produced by the turning rotor. Once the
rate of rotation is determined, the ASD will provide the normal output to
engage the motor from its present speed.
This parameter determines the rate at which the scanning signal goes from FH
to 0.0 Hz.
Parameter Type — Numerical
Factory Default — (ASD-dependent)
Changeable During Run — No
Minimum — 0.50
Maximum — 2.50
Units — Seconds
Search (Changed From Default Parameters)
Program Changed from Default
This function reads all of the parameters and halts at the parameters that have
been changed from the factory default setting.
See the section titled Default Setting Changes on pg. 30 for more information on
this parameter.
S9 Terminal Search (Changed From Default Parameters)