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Pilz PNOZ X3 User Manual

Pilz PNOZ X3
34 pages
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PNOZ X3
Operating Manual-20547-EN-10
} Safety relays

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Pilz PNOZ X3 Specifications

General IconGeneral
Supply Voltage24 V DC
Contacts3 N/O, 1 N/C
Width45 mm
Depth121 mm
Safety Category4
Performance Levele
SILCL3
Rated Current6 A
Contact MaterialAgSnO2
Protection ClassIP20
Weight200 g
Stop Category0
Operating Temperature Range-10°C to 55°C

Summary

Introduction

Validity of Documentation

Specifies the manual's validity period and update policy.

Using the Documentation

Provides guidance on how to effectively read and use the manual.

Definition of Symbols

Explains the meaning of important warning and information symbols used.

Safety

Intended Use

Details the product's designated applications and compliance with relevant standards.

Safety Regulations

Outlines essential safety regulations and compliance requirements for operation.

Use of Qualified Personnel

Specifies the qualifications and responsibilities of personnel operating the device.

Warranty and Liability

Conditions under which warranty and liability are invalidated.

Disposal

Instructions for proper disposal of the electronic device.

For Your Safety

Highlights critical safety notes, including overvoltage category considerations.

Unit Features and Safety

Unit Features

Describes the types and characteristics of the unit's relay outputs and connections.

Safety Features

Explains built-in redundancy, self-monitoring, and automatic testing for enhanced safety.

Block Diagram and Terminal Configuration

Terminal Layout

Illustrates the physical layout of the unit's terminals and their functions.

Function Description

Operating Modes

Explains the different operating modes, including single-channel and dual-channel.

Start Modes

Describes the automatic and monitored start functionalities of the unit.

Timing Diagram

Signal Timing Overview

Visual representation of signal timing for various operational states.

Installation

Control Cabinet Installation

Specifies requirements for installing the unit within a control cabinet.

Wiring

Output Contact Usage

Clarifies the safe use of output contacts and auxiliary contacts.

Fuse Protection

Recommends appropriate fuse protection for output contacts to prevent welding.

Shorts Across Contacts Test

Details a crucial test procedure for detecting shorts across input contacts.

Preparing for Operation

Supply Voltage Connection

Shows the correct wiring for AC and DC supply voltage connections.

Input Circuit Wiring

Illustrates wiring configurations for E-STOP and safety gates.

Start Circuit and Feedback Loop Wiring

Start Circuit Wiring

Wiring diagrams for automatic and monitored start circuits.

Feedback Loop Wiring

Shows how to wire feedback loops using external contactors.

Operation

Status Indicators

Explains the meaning of the unit's LED indicators for status and errors.

Safety Function Check

Emphasizes the importance of periodic safety function checks by qualified personnel.

Faults and Interference

Earth Fault Handling

Describes the unit's behavior and recovery process for earth faults.

Contact Malfunctions

Explains issues related to contact welding and their impact on operation.

Dimensions

Physical Dimensions

Provides the external physical measurements of the unit in millimeters.

Technical Details - Electrical and Input

Electrical Data

Covers supply voltage, current, tolerance, and output power specifications.

Input Specifications

Details input circuit voltage, current, and resistance requirements.

Technical Details - Outputs and Categories

Relay Output Specifications

Provides ratings for safety and auxiliary relay outputs.

Utilisation Categories

Defines utilisation categories according to EN and UL standards.

Technical Details - Protection and Timing

Fuse Protection and Thermal Ratings

Details fuse protection, thermal current, and contact material specifications.

Timing Specifications

Lists switch-on delay, de-energisation delay, and recovery times.

Technical Details - Environmental and Mechanical

Environmental Data

Covers climatic suitability, temperature, humidity, and EMC.

Mechanical Data

Includes mounting, material, dimensions, and conductor connection details.

Safety Characteristic Data

Operating Mode Safety Data

Details PL, SIL, PFH, and PFD values for different operating modes.

Safety Data Notice

Stresses the necessity of complying with safety characteristic data for plant safety.

Supplementary Data

Service Life Graph Caution

Advises considering service life graphs for the validity of characteristic data.

PFH Value Dependency

Explains factors influencing the PFH value and its interpretation.

Service Life Graph

Graph Description

Illustrates the relationship between switching current and the number of cycles to wear.

Order Reference and Declaration

Product Ordering Information

Lists product types, features, connection types, and corresponding order numbers.

EC Declaration of Conformity

Confirms product compliance with the EU Machinery Directive.

Support

Technical Support Contact Information

Provides contact details for technical support across various regions.

International Hotline

Lists the main international hotline number and email for support.

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