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Pilz PNOZ 8 User Manual

Pilz PNOZ 8
24 pages
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PNOZ 8
Operating Manual-22152-EN-05
} Safety relays
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Pilz PNOZ 8 Specifications

General IconGeneral
Product typeSafety Relay
Number of Safety Contacts8
Rated Operational Current6 A
Stop Category0
Width45 mm
Height87 mm
Depth121 mm
Contact MaterialAgSnO2
Protection ClassIP20
Safety Category4
Rated Voltage24V DC / 230V AC
Operating Temperature Range-10°C to 55°C

Summary

Introduction

Validity of documentation

States the validity period of this product manual.

Using the documentation

Provides instructions on how to use the manual effectively for installation and commissioning.

Definition of symbols

Explains the meaning of critical symbols like DANGER, WARNING, CAUTION, and NOTICE.

Safety

Intended use

Details the primary purpose and applications of the PNOZ 8 safety relay.

Safety regulations

Covers safety assessment requirements and relevant standards like Machinery Directive.

Safety assessment

Explains the necessary safety assessment before device use and its role in overall plant safety.

Use of qualified personnel

Defines requirements for competent persons involved in assembly, installation, and operation.

Warranty and liability

Outlines conditions that render warranty and liability claims invalid.

Disposal

Provides guidance on the proper disposal of electronic devices according to regulations.

For your safety

Lists critical safety notes, including overvoltage category considerations.

Unit features

Safety features

Describes the relay's inherent safety features like redundancy and self-monitoring.

Block diagram/terminal configuration

Function Description

Operating modes

Explains various operating modes: single/dual-channel, automatic, manual, and monitored start.

Timing diagram

Installation

Wiring

Important for detection of shorts across contacts

Details crucial testing procedures for detecting shorts in the input circuit.

Preparing for operation

Start circuit

Feedback loop

Semiconductor output

Operation

Status indicators

Faults - Interference

Dimensions in mm

Technical details

Safety characteristic data

Supplementary data

Includes information on service life graphs and PFH values for safety calculations.

Service life graph

Order reference

EC declaration of conformity

Support

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