Mitsubishi Electric FR-F500 Instruction Manual page 146

( 3 ) Operation procedure
1) Operation procedure for running
Operation pattern
Switch power on.
Set parameters.
Start, inverter operation
Constant-speed operation,
commercial power supply
operation
Deceleration (stop),
inverter operation
2) Signal on-off after parameter setting
MRS
OFF
Power on
(OFF)
At start
OFF → ON
(Inverter)
Constant speed
(Commercial ON
power supply)
Switched to
inverter
operation for ON
deceleration
(Inverter)
Stop ON
Pr. 135 = "1" (inverter's open collector output terminals)
Pr. 136 = "2.0 s"
Pr. 137 = "1.0 s" (Set the value equal to or longer than the time
from when MC3 switches on actually until the inverter and
motor are connected. If it is shorter, restart may not function properly.
Pr. 57 = "0.5 s"
Pr. 58 = "0.5 s" (Always set this parameter when commercial power
supply operation is switched to inverter operation.)
CS STF MC1
OFF → ON
OFF OFF
(OFF → ON)
(OFF) (OFF)
OFF → ON OFF → ON
ON → OFF
ON
OFF → ON
ON
ON → OFF
ON
126
MC2 MC3
OFF → ON
OFF
(OFF → ON)
(OFF)
ON OFF ON
OFF → ON ON → OFF
ON
ON → OFF OFF → ON
ON
ON OFF ON
PARAMETERS
Remarks
External operation mode
(PU operation mode)
After MC3 switches off,
MC2 switches on.
(Motor coasts during this
period.)
Waiting time 2 seconds.
After MC2 switches off,
MC3 switches on.
(Motor coasts during this
period.)
Waiting time 4 seconds.
4