Safety Instruction
Safety Instructions for Test-Operation and Maintenance
 Don’t touch the terminal when powered. Electric shock or abnormal operation may occur.
 Prior to cleaning or tightening the terminal screws, let all the external power off
including PLC power. If not, electric shock or abnormal operation may occur.
 Don’t let the battery recharged, disassembled, heated, short or soldered. Heat,
explosion or ignition may cause injuries or fire.
 Do not make modifications or disassemble each module. Fire, electric shock or
abnormal operation may occur.
 Prior to installing or disassembling the module, let all the external power off
including PLC power. If not, electric shock or abnormal operation may occur.
 Keep any wireless equipment such as walkie-talkie or cell phones at least 30cm away
from PLC. If not, abnormal operation may be caused.
 When making a modification on programs or using run to modify functions under
PLC operations, read and comprehend all contents in the manual fully.
Mismanagement will cause damages to products and accidents.
 Avoid any physical impact to the battery and prevent it from dropping as well.
Damages to battery may cause leakage from its fluid. When battery was dropped or
exposed under strong impact, never reuse the battery again. Moreover skilled workers are
needed when exchanging batteries.
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