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PARAMETERS
131
(
3
)
Operation procedure
1) Operation procedure for running
Operation pattern
!
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.)
Constant-speed operation,
commercial power supply
operation
Switch power on.
Set parameters.
Start, inverter operation
Deceleration (stop),
inverter operation
2) Signal on-off after parameter setting
MRS CS STF MC1 MC2 MC3 Remarks
Power on
OFF
(OFF)
OFF
(OFF)
OFF
(OFF)
OFF
→
ON
(OFF
→
ON)
OFF
(OFF)
OFF
→
ON
(OFF
→
ON)
External operation mode
(PU operation mode)
At start
(Inverter)
OFF
→
ON OFF
→
ON OFF
→
ON ON OFF ON
Constant speed
(Commercial
power supply)
ON ON
→
OFF ON ON OFF
→
ON ON
→
OFF
After MC3 switches off,
MC2 switches on.
(Motor coasts during this
period.)
Waiting time 2s.
Switched to
inverter
operation for
deceleration
(Inverter)
ON OFF
→
ON ON ON ON
→
OFF OFF
→
ON
After MC2 switches off,
MC3 switches on.
(Motor coasts during this
period.)
Waiting time 4s.
Stop ON ON ON
→
OFF ON OFF ON
4