Chapter 4 Explanation of Functions
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4.2.104 Easy sequence function
- You can create a user program with EzSQ (the programming
software dedicated to the SJ700) on a personal computer, and
download the program to your SJ700 series inverter. Thus,
you can convert your inverter to a special machine on which user-defined functions are installed. Please refer to
programming instruction of EzSQ user manual.
- The easy sequence function does not provide an operation mode exclusive for program-based operation. Therefore,
you can arbitrarily select the devices to input frequency and operation commands to the inverter.
- In case of starting easy sequence program, you should set easy sequence function selection A017. You can select how
to start program that the program always run or the program run only to activate the PRG terminal.
- The intelligent input/output terminals of the inverter include general-purpose input/output terminals dedicated to
the easy sequence function. Those terminals can be used to freely write and read data to and from the inverter with
instructions in the program.
- You can assign the parameters (e.g., frequency setting and acceleration/deceleration time parameters) that require
adjustments on the actual inverter to user parameters (P130 to P131). If you do so, you can readjust the parameter
data by using the digital operator without having to connect your personal computer to the inverter.
- If you specify a program number in each program you created, you will be able to check the program number on the
monitor of the digital operator.
- Each user program is compiled, and stored as an intermediate code in the internal EEPROM of the inverter. (Data can
be stored in EEPROM.)
- Even if the user data is initialized via the digital operator, downloaded programs and user parameters (P100 to P131)
are not cleared.
- You cannot copy the downloaded program by an operation from a remote operator. You cannot copy the user
parameter codes "P***", either. If necessary, download the user parameter codes from your personal computer.
4.2.105 Data read/write selection
- When you use the operator ‘WOP’ to read and write inverter’s settings and an EzSQ program, this function prevents
incorrect reading and writing.
- Please refer to the WOP manual for more information of reading and writing function with WOP.
A017: Easy sequence function selection
P100 to P131: Easy sequence user parameters
Programming/
debugging support
software
Personal computer (Windows system)
b166: data read/write selection
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