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Input Terminals; Run (start) And Stop (stf, Str, Stop) - Mitsubishi Electric FR-V560 Instruction Manual

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1.10 Input terminals

1.10.1 Run (start) and stop (STF, STR, STOP)

To start and stop the motor, first switch on the input power of the inverter (when there is a magnetic contactor on the
input side, use the operation-ready switch to turn on the magnetic contactor), then start the motor with the forward
or reverse rotation start signal.
(1)
Two-wire type (STF, STR)
A two-wire type connection is shown on the right.
1)
The forward/reverse rotation signal is used as both
the start and stop signals. Turn on either of the for-
ward and reverse rotation signals to start the motor
in the corresponding direction. Turn on both or turn
off the start signal during operation to decelerate the
inverter to a stop.
2)
The speed setting signal may either be given by
entering 0 to 10VDC across the speed setting input
terminal 2-5 or by setting the required values in Pr. 4
to Pr. 6 "three-speed setting" (high, middle, low
speeds). (Refer to page 90 for three-speed opera-
tion.)
(2)
Three-wire type (STF, STR, STOP)
A three-wire type connection is shown on the right. Assign
the start self-holding signal (STOP) to any of the input
terminals.
1)
Short signals STOP-SD to enable the start self-holding
function. In this case, the forward/reverse rotation sig-
nal functions only as a start signal.
REMARKS
Assign the STOP signal to any of Pr. 180 to Pr. 183 and
Pr. 187 (input terminal function selection).
2)
If the start signal terminals STF (STR)-SD are once
shorted, then opened, the start signal is kept on and
starts the inverter. To change the rotation direction,
short the start signal STR (STF)-SD once, then open it.
3)
The inverter is decelerated to a stop by opening termi-
nals STOP-SD once. The three-wire connection is
shown on the right.
4)
When terminals JOG-SD are shorted, the STOP signal
is invalid and jog signal has precedence.
5)
If the output stop terminals MRS-SD are shorted, the
self-holding function is not deactivated.
NFB
Power
supply
Forward
rotation start
Reverse
rotation start
Across STF-SD
(STR)
Two-Wire Type Connection Example
NFB
Power
supply
Forward rotation
Stop
start
Reverse rotation
start
ON
Start
Stop
Three-Wire Type Connection Example
29
Input terminals
R, S, T
Inverter
STF
STR (Pr.187 = "9999")
SD
Time
ON
R, S, T
Inverter
STF
STR (Pr.187 = "9999")
(Set "25" in any of
STOP
Pr. 180 to Pr. 183)
SD
Time
ON
1

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