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Phoenix Contact PSR-ESA2/4x1/1x2/B User Manual

Phoenix Contact PSR-ESA2/4x1/1x2/B
138 pages
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User manual
Application manual for PSRclassic and
PSRmultifunction safety relays, and the
modular safety relay system

Table of Contents

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Phoenix Contact PSR-ESA2/4x1/1x2/B Specifications

General IconGeneral
TypeSafety Relay
Rated Control Circuit Voltage24 V DC
Rated Operational Current6 A
Width22.5 mm
Safety Integrity LevelSIL 3
Performance LevelPL e
Housing colorgray
Switching voltage250 V AC
Protection classIP20
Mounting TypeDIN rail mounting
CategoryCategory 4
Switching current6 A
Operating temperature-20 °C to +60 °C
Number of Contacts4 normally open (NO) contacts, 1 normally closed (NC) contact
Dimensions22.5 x 114.5 x 99 mm (W x H x D)

Summary

2 Safety of machines and systems

2.2 Practical procedure in accordance with EN ISO 13849

Details the steps for implementing safety functions according to EN ISO 13849.

2.3 Practical procedure in accordance with EN ISO 62061

Details the steps for implementing safety functions according to EN ISO 62061.

3 Safety technology basics

5 Application examples for conventional PSRclassic safety relays

5.1 Emergency stop

Illustrates the implementation of emergency stop functions with PSRclassic relays.

5.1.1 PSR-ESL4/3x1/1x2/B up to PL c/SIL 1

Example of single-channel emergency stop monitoring with manual reset.

5.2.1 PSR-ESL4/3x1/1x2/B up to PL e/SIL 3

Example of two-channel light grid monitoring with manual reset.

5.3.1 PSR-ESA4/2x1/1x2 up to PL e/SIL 3

Example of two-channel safety door monitoring with automatic reset.

5.4.1 PSR-ESAM4/2x1/1x2 up to PL e/SIL 3

Example of three-stage enable switch monitoring with automatic reset.

5.5.1 PSR-THC4/2x1/1x2 up to PL e/SIL 3

Example of two-hand control device monitoring.

5.6.1 PSR-URM4/5x1/2x2 up to PL e/SIL 3

Example of emergency stop monitoring with contact extension.

6 Application examples for multifunctional PSRmultifunction safety relays

6.1 Multifunctional safety applications with emergency stop, safety doors, and light grids

Details applications combining emergency stop, safety doors, and light grids.

6.1.1 PSR-MXF1/4X1/2X2/B up to PL e/SIL 3

Example of emergency stop and safety door monitoring.

6.1.2 PSR-MXF2/4X1/2X2/B up to PL e/SIL 3

Example of safety door monitoring with emergency stop.

6.1.3 PSR-MXF3/4X1/2X2/B up to PL e/SIL 3

Example of safety door and light grid monitoring with emergency stop.

7 Application examples using the modular safety relay system

8 Diagnostic description

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