Mitsubishi Electric 800 Series Instruction Manual page 349

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.
Pr.
155 RT signal function validity
T730 condition selection
• Turning ON the Second function selection (RT) signal enables the second functions.
• The following are the examples of the applications of the second functions.
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
Start
Second function selection
High speed
Middle speed
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5. PARAMETERS
5.9 (T) Multi-Function Input Terminal Parameters
Name Initial value
0
Inverter
STF/STR
RT
RH
RM
SD
Setting range
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.
Example of second acceleration/deceleration time
Setting value "0" (initial value)
Acceleration
time is applied
RT
RH
RM
Description
Time