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EUCHNER CET-AS Series - User Manual

EUCHNER CET-AS Series
32 pages
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EN
Operating Instructions
Transponder-Coded Safety Switch With Guard Locking
CET.-AS-… (Unicode/Multicode)

Table of Contents

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EUCHNER CET-AS Series Specifications

General IconGeneral
SeriesCET-AS
ActuationKey Actuated
Protection RatingIP67
TypeSafety Switch
Safety CategoryCategory 4, PL e according to EN ISO 13849-1
Housing MaterialPlastic
Supply voltage24V DC
Operating Voltage24V DC

Summary

About this document

Scope

Defines the purpose and coverage of the operating instructions for the safety switch.

Target group

Identifies intended users and their required expertise for handling safety components.

Key to symbols

Explains the various symbols used throughout the document for clarity and understanding.

Supplementary documents

Lists and describes other essential documents for comprehensive user information.

Function

Guard locking on version CET3-AS

Details guard locking operation for the CET3-AS model, actuated by spring force and released by power-ON.

Guard locking on version CET4-AS

Details guard locking operation for the CET4-AS model, actuated by power-ON and released by spring force.

Switching states

Describes various operating modes and their corresponding LED and output states for system monitoring.

Manual release

Auxiliary release and auxiliary key release (can be retrofitted)

Explains manual guard locking release using auxiliary or key-operated mechanisms for malfunctions or emergencies.

Actuating auxiliary release

Step-by-step guide on how to operate the auxiliary release mechanism to unlock the guard locking.

Actuating auxiliary key release

Instructions for operating the auxiliary key release for manual guard locking release when retrofitted.

Emergency release (can be retrofitted)

Describes the emergency release function to open guards from outside the danger zone without tools.

Actuating emergency release

Instructions on how to operate the emergency release mechanism to unlock the guard, typically clockwise turn.

Escape release (optional)

Details the optional escape release for opening guards from within the danger zone without tools.

Actuating escape release

Step-by-step guide on how to operate the escape release mechanism by pressing the red knob.

Wire front release (optional)

Explains the use of a pull wire for emergency or escape release functions, depending on attachment.

Laying wire front release

Provides guidance on the correct installation and routing of the wire front release for smooth operation.

Lockout bar (optional)

Describes the lockout bar function to prevent unintentional guard locking during maintenance.

Using the lockout bar

Instructions on how to properly use and secure the lockout bar to prevent guard locking activation.

Electrical connection

Notes about cULUS

Important information regarding UL/cULus compliance and power supply requirements for safe operation.

Setting the AS-Interface address

Procedure for setting the AS-Interface address for the safety switch, enabling communication.

Configuration in the AS-Interface safety monitor

Guidance on configuring the safety switch's operating modes within the AS-Interface safety monitor.

Dual-channel dependent

Configuration details for the dual-channel dependent mode, including synchronization time requirements.

Dual-channel conditionally dependent

Configuration for dual-channel conditionally dependent mode, noting specific monitoring and operation conditions.

Dual-channel independent

Configuration for dual-channel independent mode, highlighting limitations in detecting signal or function failures.

AS-Interface status messages

Explanation of AS-Interface LED status indicators and their meanings for troubleshooting communication issues.

Safety in case of faults

Information on polarity protection for power supplies and general safety considerations during device faults.

Connection of guard locking control

Details on how to connect the guard locking control circuit for proper functionality.

Guard locking control via ASi bit DO

Specific example connection for guard locking control using the ASi bit DO output.

Setup

LED displays

Description of the signal functions indicated by the LED displays on the device for status monitoring.

Teach-in function for actuator (only for unicode evaluation)

Instructions for performing the teach-in function to assign actuators to the safety switch for system operation.

Actuator teach-in

Step-by-step guide to conduct the actuator teach-in process, including connection and completion steps.

Functional check

Procedures for verifying the correct functionality of the safety switch after installation or following any faults.

Mechanical function test

How to perform a mechanical test on the actuator movement and guard operation.

Electrical function test

How to perform an electrical test to verify safety functions and machine start behavior.

Technical data

Technical data for safety switch CET.-AS-...

Provides detailed technical specifications and parameters for the CET.-AS-... safety switch.

Typical system times

Details typical system reaction times and risk times for safety outputs according to standards.

Dimension drawing for safety switch CET.-AS-...

Presents dimensional drawings of the safety switch for installation planning and space requirements.

Technical data for actuator CET-A-B...

Lists detailed technical specifications and parameters for the CET-A-B actuator.

Dimension drawing for actuator CET-A-BWK-50 X

Provides dimensional drawings for the CET-A-BWK-50X actuator for installation reference.

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