Chapter 4
Explanation of Functions
4-57
4.2.52 External trip (EXT) function
The external trip function allows you to make the inverter trip according
to the error (trip) signal generated by an external system.
To use this function, assign function "12" (EXT) to one of the terminal [1] to [8] functions (C001 to C008).
When the EXT terminal is turned on, the inverter trips with error code "E12" displayed and stops the output.
After the inverter trips with error code "E12" displayed, it will not be recovered from tripping, even when the error
signal from the external system is reset (i.e., the EXT terminal is turned off).
To recover the inverter from tripping, reset the inverter or turn the inverter power off and on.
Item
Function code
Data
Description
Terminal [1] to [8] functions
C001 to C008
12
EXT: External trip
Note: Do not turn on the EXT terminal after the inverter power is shut off. Otherwise, the error history may not be
stored correctly.
4.2.53 3-wire interface operation function (STA, STP, and F/R)
The 3-wire interface operation function allows you to use automatic- reset
contacts (e.g., pushbutton switches) to start and stop the inverter.
Specify "01" (control circuit terminal block) for the run command source setting (A002).
Assign function "20" (STA), "21" (STP), and "22" (F/R) to three of the terminal [1] to [8] functions (C001 to C008) to
enable the control operations described below. Assigning the STP function to an intelligent input terminal disables the
functions of the FW and RV terminals.
The figure below shows the inverter outputs according to terminal operations.
Item
Function code
Data
Description
Terminal [1] to [8] functions
C001 to C008
20
STA: Starting the motor
21
STP: Stopping the motor
22
F/R: Switching the motor operation direction
C001 to C008: Terminal [1] to [8] functions
Related code
Operation commands FW
and RV
EXT terminal
Motor speed
RS terminal
Alarm output terminal
Free running
Output frequency
OFF
OFF
ON
ON
F/R
STP
STA
Forward
rotation
Reverse
rotation
C001 to C008: Terminal [1] to [8] functions
Related code
Summary of Contents for SJ700D-004L
Page 16: ...Contents Appendix Appendix A 1 Index Index Index 1 ...
Page 44: ...Chapter 2 Installation and Wiring 2 23 Memo ...
Page 70: ...Chapter 3 Operation 3 25 Memo ...
Page 248: ...Chapter 5 Error Codes 5 11 Memo ...
Page 256: ...Chapter6 Maintenance and Inspection 6 7 Memo ...