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Pilz PNOZ s2 User Manual

Pilz PNOZ s2
29 pages
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PNOZ s2
Operating Manual-21394-EN-11
} Safety relays

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Pilz PNOZ s2 Specifications

General IconGeneral
Operating Voltage24 V DC
Width22.5 mm
Terminal TypeScrew terminals
Rated Operational Current Ie6 A
Response Time20 ms
Auxiliary Contacts1
Stop Category0
StandardsIEC 60204-1
Safety LevelSILCL 3, PL e

Summary

Safety

Intended use

Defines the purpose and applications for the safety relay.

Safety regulations

Outlines the safety regulations applicable to the device.

Safety assessment

Details the requirements for a safety assessment before device usage.

Use of qualified personnel

Specifies requirements for personnel assembly, installation, and operation.

For your safety

Highlights critical safety notes and conditions for safe operation.

Unit features

Safety features

Describes the safety-related features of the safety relay.

Function description

Single-channel operation

Details single-channel operation mode and its fault detection.

Automatic start

Explains the automatic start function for unit activation.

Manual start

Describes the manual start function for unit activation.

Monitored start with falling edge

Details the monitored start function with a falling edge trigger.

Monitored start with rising edge

Details the monitored start function with a rising edge trigger.

Timing diagram

Illustrates the timing sequences for different operating modes.

Installation

Install base unit without contact expansion module

Procedure for installing the base unit without expansion modules.

Connect base unit and PNOZsigma contact expansion module

Instructions for connecting base and expansion modules.

Installation in control cabinet

Guidelines for installing the safety relay within a control cabinet.

Preparing for operation

Operating modes

Describes how to set the operating mode via the rotary switch.

Set operating modes

Step-by-step instructions for setting the desired operating mode.

Application example

Emergency stop

Illustrates an application example for an emergency stop function.

Single-channel

Shows a single-channel configuration for an application example.

Monitored start

Demonstrates a monitored start configuration in an application.

Falling edge with feedback loop monitoring

Shows falling edge monitoring with feedback loop in an application.

Operation

Status indicators

Explains the meaning of the status LEDs on the unit.

Error indicators

Describes the error LEDs and their diagnostic meanings.

Faults - malfunctions

Contact malfunctions

Details malfunctions related to contact behavior, like welding.

Technical Details

Relay outputs

Provides technical data for the safety and auxiliary relay outputs.

Mechanical data

Conductor cross section with screw terminals

Specifies conductor cross-section for screw terminals.

Conductor cross section with spring-loaded terminals: Flexible with/without crimp connector

Specifies conductor cross-section for spring-loaded terminals.

Safety characteristic data

Safety contacts, instantaneous

Presents safety characteristic data for instantaneous safety contacts.

Supplementary data

Service life graph

Illustrates service life graphs for relay outputs under various conditions.

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