Omron MX2 Series - Power Recovery Restart Prevention Function (USP)

7 Other Functions
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Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)
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7-7-3 Power Recovery Restart Prevention Function (USP)
Use this function to have the inverter trip with the alarm code E13 displayed, if the power supply is
turned on with the RUN command ON in the inverter.
To reset a trip, perform the reset operation, or turn OFF the RUN command. (Example 1)
If a trip is reset with the RUN command input ON, the inverter starts running immediately after the trip is
reset. (Example 2)
If the RUN command turns ON after the power supply is turned on, the inverter operates normally.
(Example 3)
Allocate the Multi-function Input 1 to 7 Selection (C001 to C007) to 13 (USP).
Parameter
No.
Function name
Data
Default
data
Unit
C001 to
C007
Multi-function Input 1
to 7 Selection
13: USP (Power recovery restart prevention
function)
−
−
The following shows how the power recovery restart prevention function works.
(Example 1) Power-on with RUN command ON
(Reset with RUN command OFF)
(Example 2) Power-on with RUN command ON
(Reset with reset signal (RS) ON)
Power supply
FW input
(Forward)
USP input
RS input
(Reset)
AL output
(Alarm signal)
Output frequency
Power supply
FW input
(Forward)
USP input
RS input
(Reset)
AL output
(Alarm signal)
Output frequency
(Example 3) RUN command ON after power-on
(Normal operation)
Power supply
FW input
USP input
RS input
(Reset)
AL output
(Alarm signal)
Output frequency
OFF
ON
ON
ON
ON
OFF
ON
ON
OFF