Programmable Logical Controller

We are offering programmable logical controller etc. Ro plc is most comprehensive, intelligent and ease to use ro automation panel.
important
there are two passwords for total control. One is operation password which is fixed from factory i.e 1234. It allows anyone to enter the panel to vie wand change common settings anytime. This password cannot be changed (menu scroll setting 1 to 9)
another is calibration password is changeable at site anytime. From factory it will come as 5678.this all ows one to calibrate very important parameters. We suggest that you must change this password to new one and please remember the same for your safety (menu scroll settting 1 to 22 )
setting method for all parameters is as follows:
switch off all motors and pumps.
Keep panel in manual mode.
Press setting button till display shows password.
Enter 4 digit password 1234 using xxxx to shift the digit.
Then press accept. If password is wrong then display shows invalid password and then reenter the password.
If password is correct then display shows ok, now display shows to scroll menu. Use xxx and xxxx switches.