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5 Basic Settings
Multi-function Compact Inverter 3G3MX2-V1 User’s Manual (I585-E1)
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5-7
Stop Method Settings
• Select whether you want the motor to make a deceleration stop according to the deceleration time
setting or a free-run stop, when the STOP command is input via the Digital Operator or the control cir-
cuit terminal block.
• To use external braking, select Free-run stop.
Using external braking during deceleration stop may cause an overload or overcurrent.
• If you start the RUN command again during free run, the inverter will restart according to the Free-run
Stop Selection (b088) setting.
• Free-run stop is a method of shutting off the inverter output to stop the motor rotation.
Executing the free-run stop function causes the motor to fall a free-run state, in which it decelerates
due to the load and friction forces exerted on the motor and/or machine and comes to a stop.
• In the Free-run Stop Selection (b088), set how to restart the motor rotating in a free-run state after the
execution of the free-run stop.
• The Free-run Stop Selection (b088) setting is enabled for the following cases.
When Stop Selection (b091) is set to 01 (Free-run stop)
Restarting the motor in a free-run stop state when the When Stop Selection (b091) is set to 01
(Free-run stop) causes the motor to restart according to the Free-run Stop Selection (b088) set-
ting.
When free-run stop (FRS) function is used via a multi-function input terminal
Setting the Multi-function Input S1 to S7 Selection (C001 to C007) to 11 (FRS) and turning ON the
corresponding input terminal causes the motor to fall in a free-run stop state (with the inverter out-
put shut off).
Then, when the FRS terminal turns OFF, the motor restarts according to the Free-run Stop Selec-
tion (b088) setting.
However, the motor does not restart when the 1st/2nd RUN Command Selection (A002/A202) is
set to 02 (Digital Operator).
• Set the Free-run Stop Selection (b088) as follows.
00: 0-Hz restart
Forces the inverter to restart at 0 Hz. Note that the inverter restarts suddenly while in a free-run
state. Use this setting if the motor stops shortly due to the load.
01: Frequency matching restart
Causes the inverter to restart by recognizing the frequency from the voltage between the motor
terminals during free-run stop and adjusting to it. The inverter restarts at 0 Hz if the voltage
between the motor terminals is not sufficient.
Use this setting if the inverter is in a free-run stop for a few seconds.
5-7-1
Stop Selection
Parameter
No.
Function name
Data
Default
data
Unit
b091
Stop Selection
00:
Deceleration stop
00
−
01:
Free-run stop
5-7-2
Free-run Stop Selection
Summary of Contents for SYSDRIVE MX2 SERIES
Page 1: ...Multi function Compact Inverter MX2 Series Type V1 User s Manual I585 E1 01 3G3MX2 A V1 ...
Page 32: ...CONTENTS 29 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 108: ...2 Design 2 48 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 176: ...4 Parameter List 4 42 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 538: ...10 Troubleshooting 10 22 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 598: ...12 Options 12 50 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 614: ...Appendices A 16 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 615: ...I 1 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 I Index ...