Safety Precautions - Mitsubishi A1SJ61BT11 User Manual

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 precautions apply only to
Mitsubishi equipment. Refer to the user's manual of the CPU module to use for a description of the PLC
system safety precautions.
These • SAFETY PRECAUTIONS • classify the safety precautions into two categories: "DANGER" and
"CAUTION".
DANGER
CAUTION
Depending on circumstances, procedures indicated by
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]
• Read Chapter 5 in this manual carefully for status of each station when the PC CPU has
stopped its operation and when a communication error occurred in the data link.
Configure an interlocking circuit in a sequence program using the communication status
information (SB, SW) so that the safety of the overall system is always maintained.
Accident may occur due to output error or malfunctioning.
• An error is not detected by the master station nor local station when a station specified as an
error-invalid station is in a communication error status.
• Do not bundle, on install, the control cables and communication cables with, or near, main circuit
and power cables. Keep them at least 100mm (3.9 inch) away from such cables. Noise may
cause erroneous operation.
• SAFETY PRECAUTIONS •
(Read these precautions before using.)
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.
DANGER
!
CAUTION
!
CAUTION may also be linked to serious
!
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