Selecting Operation Condition Of The Second Function Selection Signal (Rt) - Mitsubishi Electric FR-F820-04750 Instruction Manual

Parameters
5.9.10

Selecting operation condition of the second function selection signal (RT)

Second function can be selected by the RT signal.
Operating condition (validity condition) for second (third) function can be also set.
Pr.
155
T730
● Turning ON the Second function selection (RT) signal enables the second functions.
● The following table lists application examples 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
Second function selection
FR-F800
Name
RT signal function validity
condition selection
Start
High speed
Middle speed
Setting value "0" (initial value)
Acceleration time
is applied
(T) Multi-Function Input Terminal Parameters
Initial value Setting range
0
0
10
Fig. 5-136:
Connection diagram for second function selection
Inverter
STF/STR
RT
RH
RM
SD
Fig. 5-137:
Example of second acceleration/deceleration time
Time
Description
Second function is immediately enabled
with ON of RT signal.
Second function will be enabled while RT
signal is ON and running in constant speed.
(Disabled while accelerating or
decelerating)
I002655E
I001146E
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