[TEST OPERATION PRECAUTIONS]
Before performing the test operations of the user creation monitor screen (such as turning ON or
OFF bit device, changing the word device current value, changing the settings or current values of
the timer or counter, and changing the buffer memory current value), read through the manual
carefully and make yourself familiar with the operation method.
During test operation, never change the data of the devices which are used to perform significant
operation for the system.
False output or malfunction can cause an accident.
When power is on, do not touch the terminals.
Doing so can cause an electric shock or malfunction.
Connect the battery correctly.
Do not discharge, disassemble, heat, short, solder or throw the battery into the fire.
Incorrect handling may cause the battery to generate heat, burst or take fire, resulting in injuries or
Before starting cleaning or terminal screw retightening, always switch off the power externally in all
Not switching the power off in all phases can cause a unit failure or malfunction.
Undertightening can cause a short circuit or malfunction.
Overtightening can cause a short circuit or malfunction due to the damage of the screws or unit.