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5. PARAMETERS
5.9 (T) Multi-Function Input Terminal Parameters
5.9.10 Selecting operation condition of the second function
selection signal (RT)
The second function can be selected using the RT signal. The condition to activate the second function can be also set.
• Turning ON the Second function selection (RT) signal enables the second functions.
• The following are the examples of the applications of the second functions.
Pr. Name Initial value Setting range Description
155
T730
RT signal function validity
condition selection
0 0 The second function is immediately enabled when
the RT signal is turned ON.
10 The function cannot be changed to the second
function during acceleration/deceleration. When
the signal is turned ON during acceleration/
deceleration, the function is changed after the
acceleration/deceleration is finished.
Switching between regular use and emergency use
Switching between heavy load and light load
Change the acceleration/deceleration time by break point acceleration/deceleration
Switching characteristics of main motor and sub motor
Connection diagram for second function selection Example of second acceleration/deceleration time
STF/STR
SD
Inverter
Start
Second function selection
RT
High speed
RH
Middle speed
RM
(initial value)
RT
Output frequency
Setting value "0"
RH
RM
Acceleration
time is applied
Time
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