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CP1E CPU Unit Instructions Reference Manual(W483)
Safety Precautions
The following notation is used in this manual to provide precautions required to ensure safe usage of a
CP-series PLC. The safety precautions that are provided are extremely important to safety. Always read
and heed the information provided in all safety precautions.

Definition of Precautionary Information

Symbols

The triangle symbol indicates precautions (including
warnings). The specific operation is shown in the triangle
and explained in text. This example indicates a precau-
tion for electric shock.
The circle and slash symbol indicates operations that you
must not do. The specific operation is shown in the circle
and explained in text.
The filled circle symbol indicates operations that you
must do. The specific operation is shown in the circle and
explained in text. This example shows a general precau-
tion for something that you must do.
The triangle symbol indicates precautions (including
warnings). The specific operation is shown in the triangle
and explained in text. This example indicates a general
precaution.
The triangle symbol indicates precautions (including
warnings). The specific operation is shown in the triangle
and explained in text. This example indicates a precau-
tion for hot surfaces.

WARNING

Caution

Indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
Additionally, there may be severe property damage.
Indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate
injury, or property damage.
Precautions for Safe Use
Indicates precautions on what to do and what not to do to ensure using the product safely.
Precautions for Correct Use
Indicates precautions on what to do and what not to do to ensure proper operation
and performance.