A-1
z
SAFETY PRECAUTIONS
z
(Read these precautions before using.)
When using Mitsubishi equipment, thoroughly read this manual and the
associated manuals introduced in this manual.
Also pay careful attention to safety and handle the module properly.
These
z
z
z
z
SAFETY PRECAUTIONS
z
z
z
z
classify the safety precautions into two
categories: "DANGER" and "CAUTION".
Procedures which may lead to a dangerous condition
and cause death or serious injury if not carried out
properly.
Procedures which may lead to a dangerous condition
and cause superficial to medium injury, or physical
damage only, if not carried out properly.
Depending on circumstances, procedures indicated by
CAUTION may
also be linked to serious results.
In any case, it is important to follow the directions for usage.
Store this manual in a safe place so that you can take it out and read it
whenever necessary. Always forward it to the end user.
[DESIGN PRECAUTIONS]
DANGER
Install a safety circuit external to the PLC that keeps the entire system
safe even when there are problems with the external power supply or the
PLC module. Otherwise, trouble could result from erroneous output or
erroneous operation.
(1) Outside the PLC, construct mechanical damage preventing interlock
circuits such as emergency stop, protective circuits, positioning upper
and lower limits switches and interlocking forward/reverse operations.
CAUTION
DANGER
Summary of Contents for Melsec A Series
Page 90: ...77 MEMO ...
Page 149: ......
