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Summary of Contents for Eaton ESR5-NO-21-24VAC-DC
- Page 1 Manual 12/19 MN049007EN ESR5-NO-21-24VAC-DC Safety relay...
- Page 2 No part of this manual may be reproduced, stored in a retrieval system, or transmit- ted in any form or by any means, electronic, mechanical, photocopying, micro-film- ing, recording, or otherwise, without the prior written permission of Eaton Industries GmbH, Bonn, Germany.
- Page 3 Danger! Dangerous electrical voltage! Before commencing the installation • Disconnect the power supply of the device. • Wherever faults in the automation system may cause damage to persons or property, external measures must • Ensure that devices cannot be accidentally retriggered. be implemented to ensure a safe operating state in the •...
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Page 5: Table Of Contents
Description.................. Operating and indication elements.......... Basic circuit diagram ..............Derating ..................10 Diagnostics ................. 11 Application examples ..............12 Single-channel emergency stop monitoring......... 12 Two-channel safety door monitoring..........13 Technical data ................14 Glossary ..................17 ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... - Page 6 ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com...
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Page 7: About This Manual
0 About This Manual 0 About This Manual This manual applies to the ESR5-NO-21-24VAC-DC safety relay. 0.1 List of revisions The following significant amendments have been introduced since previous issues: Publication Page Keyword modified deleted date 12/19 First edition –... -
Page 8: Abbreviations And Symbols
Warns of the possibility of hazardous situations that could result in serious injury or even death. DANGER Warns of hazardous situations that result in serious injury or death. 0.4.3 Tips ￫ Indicates useful tips. 0.5 Ordering data ESR5-NO-21-24VAC-DC safety relay: Catalog No. 118700 ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... -
Page 9: Safety Notes
Risk of damage to equipment due to noise emissions When operating relay modules the operator must meet the requirements for noise emission for electrical and electronic equipment (EN 61000-6-4) on the contact side and, if required, take appropriate measures. ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... -
Page 10: Description
2 Description 2 Description The ESR5-NO-21-24VAC-DC safety relay can be used for emergency stop and safety door monitoring as well as in safety circuits according to EN 60204-1. With this switching device, circuits are interrupted in a safety-oriented manner. Control is via a single channel or two channels, either with automatic or manual start circuit (PSR-ESM4 only). -
Page 11: Operating And Indication Elements
LED status indicator, green - IN1/2 h LED status indicator, green - Power i A1, A2 - supply voltage connection j S11, S12, S21, S22 - input circuits k S33, S34 - start circuit (activating circuit) ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... -
Page 12: Basic Circuit Diagram
Figure 2: Block diagram Designation Explanation A1/A2 Safety relay input voltage S11/S12 Input circuit 1 S21/S22 Input circuit 2 S33/S34 Start circuit 13/14 Undelayed enabling current path 1 23/24 Undelayed enabling current path 2 31/32 Signaling current path ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... -
Page 13: Derating
5 Derating 5 Derating °C] Figure 3: Derating curve ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... -
Page 14: Diagnostics
● ● ○ ● Enable contact(s) of K1 faulty. Fault with ● ● ● ○ Enable contact(s) of K2 faulty. Replace safety relays. internal cause ● ● ○ ○ Enable contact(s) of K1 and K2 faulty. ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... -
Page 15: Application Examples
Manual, monitored start • Suitable up to category 1, PL c (EN ISO 13849-1), SILCL 1 (EN 62061) (L1) ① S11 S12 S21 S22 ( ) (GND) ESR5-NO-21-24VAC-DC ( + ) S33 S34 Reset (N ) Figure 4: Single-channel emergency stop monitoring a Emergency stop ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... -
Page 16: Two-Channel Safety Door Monitoring
Monitoring of external contactors • Suitable up to category 4, PL e (EN ISO 13849-1), SILCL 3 (EN 62061) (L1) Safety door open closed S11 S12 S21 S22 ( ) (GND) ESR5-NO-21-24VAC-DC ( + ) S33 S34 (N ) Figure 5: Two-channel safety door monitoring ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... -
Page 17: Technical Data
6 A (24 V DC) 5 A (230 V AC) Switching capacity (3600 cycles/h) 3 A (24 V (DC-13)) 3 A (230 V (AC-15)) Output fuse 10 A gL/gG NEOZED (N/O contact) 6 A gL/gG NEOZED (N/C contact) ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com... - Page 18 Safety data Stop category according to IEC 60204 Safety parameters for IEC 61508 - High demand 5.05 x 10 per hour Demand rate < 12 months Proof test interval 240 months Duration of use 240 months ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com...
- Page 19 Safety parameters for IEC 61508 - Low demand MTTF 19629 years 1.37 x 10 Proof test interval 66 months Safety characteristic data according to EN ISO 13849 Category Performance Level Passed 1) Valid up to 8760 cycles per year ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com...
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Page 20: Glossary
Classification of the ability of safety functions to meet a safety demand Safety integrity level SILCL SIL claim limit SRCF Safety-related control function SRECS Safety-related electrical control system (Safety-related electrical, electronic, and programmable electronic control system) Safety-related part SRP/CS Safety-related parts of control system ESR5-NO-21-24VAC-DC 12/19 MN049007EN www.eaton.com...
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