Omron NJ501-1400 User Manual page 18

Safety Precautions
Cautions
Application
Do not touch any Unit when power is being supplied or immediately after the
power supply is turned OFF. Doing so may result in burn injury.
Wiring
Be sure that all terminal screws and cable connector screws are tightened to
the torque specified in the relevant manuals. The loose screws may result in
fire or malfunction.
Online Editing
Execute online editing only after confirming that no adverse effects will be
caused by deviations in the timing of I/O. If you perform online editing, the
task execution time may exceed the task period, I/O may not be refreshed
with external devices, input signals may not be read, and output timing may
change.
Precaution on Error Message That Says an Instruction May Cause
Unintended Operation
Instructions may results in unexpected operation and affect the system if you
clear the selection of the Detect an error when an in-out variable is passed to
specific instruction argument Check Box in the Program Check Area. Always
confirm that the conditions for use that are given in the NJ/NX-series Instruc-
tions Reference Manual (Cat. No. W502) are met before you clear the selec-
tion of this check box.
Version Information
This error message is displayed by and the above option setting is available on Sysmac Studio
version 1.02.
16
Caution
NJ-series CPU Unit Hardware User's Manual (W500)