Preliminary Note; Symbols Used; Warning Signs Used - IFM CR7021 Manual De Instrucciones

1 Preliminary note

This document applies to devices of the type "SafetyController" (art. no.: CR7021).
Observe the preceding notes on use as prescribed, programming and set-up of
controllers of the series "SafetyController".
Read this document before use to familiarise yourself with operating conditions,
installation and operation. Keep this document during the entire duration of use of
the device.
Adhere to the safety instructions.

1.1 Symbols used

► Instruction
> Reaction, result
[...] Designation of pushbuttons, buttons or indications
→ Cross-reference
Important note
Non-compliance can result in malfunctions or interference.
Information
Supplementary note

1.2 Warning signs used

WARNING
Warning of serious personal injury.
Death or serious irreversible injuries may result.
CAUTION
Warning of personal injury.
Slight reversible injuries may result.
NOTE
Warning of damage to property.
SafetyController CR7021
UK
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