External Trip; Power Recovery Restart Prevention Function - Omron 3G3RX User Manual

External Trip

•This function trips the Inverter via an error (trip) signal from a peripheral system. To use this
function, allocate "12" (EXT) to any of multi-function inputs 1 to 8 (C001 to C008).
Data Symbol
12 EXT
Available input terminals
Note: Do not turn on the EXT terminal after shutting off the power. Otherwise, the Inverter may not store data
correctly.
•When the EXT terminal is turned on, E12 is displayed and the Inverter trips to stop output.
•When the Inverter has tripped, indicating E12, the trip is not reset even if the error signal from
external equipment is reset (EXT terminal is turned off).
To reset the trip, perform the reset operation or turn the power off and on again.

Power Recovery Restart Prevention Function

RUN commands
FW, RV
EXT terminal
Motor rpm
RS terminal
Alarm output
terminal
•This function trips the Inverter, displaying "E13", if the power is turned on with the RUN command
to the Inverter turned on.
Data Symbol
13 USP
Available input terminals
•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 turned on, the Inverter restarts operation immediately
after the trip is reset. (Example 2)
•If the RUN command is turned on after the power is turned on, the Inverter operates normally.
(Example 3)
•Allocate 13 (USP) to any of multi-function inputs 1 to 8 (C001 to C008).
Function name Status
ON
External trip
OFF
Function name Status
ON
USP function
OFF
Description
Sets the motor to free-run status by shutting off output.
The motor is in normal operation.
C001 to C008
Free running
Description
Does not start the Inverter with the power turned on
while the RUN command is input.
Starts the Inverter with the power turned on while the
RUN command is input.
C001 to C008
4-2 Function Mode
4-84
4