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Pilz PNOZ s4.1 User Manual

Pilz PNOZ s4.1
37 pages
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PNOZ s4.1
Operating Manual-21890-EN-15
- Safety relays
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Pilz PNOZ s4.1 Specifications

General IconGeneral
TypeSafety relay
Supply voltage24 V DC
Width45 mm
Depth121 mm
Terminal typeScrew terminals
Response Time20 ms
StandardsEN 60204-1, EN 60947-5-1
Performance Level (PL)PL e (EN ISO 13849-1)
CategoryCategory 4
Safety Integrity Level (SIL)SIL 3 (EN 62061)

Summary

Safety Guidelines

Intended Use and Personnel

Describes the intended use of the safety relay and requirements for qualified personnel.

Technical Specifications

Safety Characteristic Data

Provides essential safety data like PL, SIL, PFH, and PFD for compliance with standards.

Block Diagram and Terminal Layout

Presents the block diagram and terminal configuration for different unit types.

Terminal Configuration Details

24 V DC Unit Terminals

Shows the block diagram and terminal layout for units operating with 24 V DC supply.

48-240 VAC/DC Unit Terminals

Shows the block diagram and terminal layout for units with 48-240 VAC/DC supply.

Function Description

Operating Modes and Start Types

Details various operating modes like single-channel, dual-channel, automatic, and monitored start.

Installation Procedures

Unit Mounting and Cabinet Installation

Provides instructions for installing the base unit and within a control cabinet.

Wiring Guidelines

Cable Selection and EMC

Details cable length calculation and measures to prevent EMC interferences.

Operation Preparation

Rotary Switch Mode Selection

Explains how to set the operating mode using the rotary switch and its locking mechanism.

Connection Examples

Input Circuit Wiring Configurations

Illustrates wiring for supply voltage and input circuits for E-STOP and safety gates.

Application Examples

Emergency Stop and Start Circuits

Demonstrates typical applications for emergency stop and monitored start functions.

Operation Status

Status and Error Indicators

Explains the meaning of LED indicators for normal status and error conditions.

Error Diagnostics

Troubleshooting Specific Errors

Details diagnostics and remedies for specific error conditions like FAULT, POWER, IN1, IN2.

Electrical Specifications

Voltage, Current, and Input Data

Lists key electrical data including voltage, current, and input characteristics.

Safety Characteristic Data

SIL/PL Interpretation and Tools

Explains the interpretation of SIL/PL values and their calculation with software tools.

Service Life Analysis

Understanding Service Life Graphs

Presents and explains graphs indicating relay output service life based on load and cycles.

Altitude and Environmental Limits

Impact of Operating Height on Ratings

Details reductions in voltage and temperature ratings at higher operating altitudes.

Order and Compliance

Product Ordering and Declarations

Lists product order numbers and provides information on EC Declaration of Conformity.

UKCA Declaration

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