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Summary of Contents for Leuze MSI-SR4B
- Page 1 Original operating instructions MSI-SR4B Safety Relays We reserve the right to make technical changes EN 2022/03/29 - 50124419...
- Page 2 © 2022 Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen / Germany Phone: +49 7021 573-0 Fax: +49 7021 573-199 http://www.leuze.com info@leuze.de...
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Page 3: Table Of Contents
Order guide ............26 Leuze electronic GmbH + Co. KG... -
Page 4: About This Document
They replace neither testing of the complete machine or system prior to the initial start-up nor their periodic testing by a competent person. The checklists contain minimum testing requirements. Depending on the application, other tests may be necessary. Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 5: Safety
Make certain that the safety relay is correctly connected and that the protective function of the protective device is ensured. Make certain that, during all conversions, maintenance work and inspections, the system is securely shut down and protected against being restarted. Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 6: Foreseeable Misuse
• Safe machine construction. • Safe implementation of the safety relay. • Imparting all relevant information to the operating company. • Adhering to all regulations and directives for the safe starting-up of the machine. Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 7: Exemption Of Liability
• Adhering to all regulations and directives for labor protection and safety at work. • Regular testing by competent persons. Exemption of liability Leuze electronic GmbH + Co. KG is not liable in the following cases: • Safety relay is not used as intended. • Safety notices are not adhered to. -
Page 8: Device Description
Device description Device description The MSI-SR4B E-Stop relay is used as a connecting element between optoelectronic protective devices of type 3 or 4 as well as a sequential device for 1- or -2-channel protective-door and E-Stop monitors and the machine control. -
Page 9: Device Overview
Display elements The display elements of the safety relay simplify start-up and fault analysis. "Supply" LED "K1" LED "K2" LED "Reset" LED Figure 3.4: Display elements of the MSI-SR4B Table 3.1: Meaning of the LEDs Color Description Supply Green Supply voltage on... -
Page 10: Functions
After applying the supply voltage to A1 and A2 and with the E-Stop button not actuated, relays K1 and K2 of the MSI-SR4B pick up upon actuation of the start button and lock. The release circuits 13-14, 23-24 and 33-34 close, signal circuit 41-42 opens. Upon actuation of the E-Stop button, K1 and K2 go dead and drop out. -
Page 11: Applications
• Two-channel protective door monitoring (up to category 4, EN ISO 13849-1:2015) • Sequential circuit for safety sensor semiconductor outputs (two-channel, self-testing) Figure 5.1: Guarding a robot area with S400 safety hinge switch and MSI-SR4B safety relay Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 12: Mounting
• Arrangement of the protective device acc. to EN ISO 13855-1:2010 and IEC 61496-2:2020. Snap the safety relay onto the DIN rail. The safety relay can be connected to the safety sensors. Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 13: Electrical Connection
Select the functions so that the safety relay is used as intended (see chapter 2.1 "Intended use and foreseeable misuse"). Connected to the safety relay are 16 numbered terminals to which the cables for the various functions are connected. Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 14: Circuit Diagram Examples
Sensor input Relay contact 1 OUT Relay contact 2 OUT Relay contact 3 OUT Signal contact IN Circuit diagram examples +24V +24V MLCx00T MLCx10R MSI-SR4B Figure 7.1: MSI-SR4B with MLC 510 safety light curtain Leuze electronic GmbH + Co. KG MSI-SR4B... - Page 15 +24V S400-M4M12-B S400-M4M12-B MSI-SR4 Spark extinction circuit, suitable spark extinction provided Figure 7.3: MSI-SR4B as the link between S400 safety hinge switches and machine control with contac- tor monitoring (EDM) and manual start Leuze electronic GmbH + Co. KG MSI-SR4B...
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Page 16: Starting Up The Device
Make certain that there are no people in the danger zone. Press the start/restart button and release it again (after 0.06 … 2 s). The safety relay switches back to the "ON" state. Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 17: Testing
Not until proper function of the optoelectronic safety device and the safety relay is ascertained may they be integrated in the control circuit of the system. 9.1.1 Checklist – initial start-up Interval: once, prior to the initial start-up and following modification Tester: competent person Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 18: To Be Performed Periodically By A Competent Person
Testing intervals are determined by nationally applicable regulations (recommendation acc. to IEC/TS 62046: 6 months). Have all tests performed by competent persons. Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 19: To Be Performed Daily By The Operating Personnel
Does the start/restart interlock prevent the automatic start-up of the machine after the protective sensor/safety relay has been switched on or activated? Interrupt a light beam of the protective sensor with a test object during operation. Is the dangerous movement shut down immediately? Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 20: Maintenance
Maintenance Maintenance The safety relay is maintenance-free. Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 21: Disposing
Disposing Disposing For disposal observe the applicable national regulations regarding electronic components. Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 22: Service And Support
Service and support Service and support Service hotline You can find the contact information for the hotline in your country on our website www.leuze.com under Contact & Support. Repair service and returns Defective devices are repaired in our service centers competently and quickly. We offer you an extensive service packet to keep any system downtimes to a minimum. -
Page 23: Technical Data
Control voltage/current on S12, S22, S31 24 V DC / 40 mA Max. input current 100 mA Admissible input line resistance < 30 Operating temperature 0° … +55°C Storage temperature - 25° … +70°C Leuze electronic GmbH + Co. KG MSI-SR4B... -
Page 24: Interference Emission
• Class B: Commercial, industrial locations and residential areas that are supplied by the public 230V network (low-voltage network) or are connected to it 13.3 Dimensions 111.5 22.5 114.1 Figure 13.1: Dimensions MSI-SR4B-01 Leuze electronic GmbH + Co. KG MSI-SR4B... - Page 25 Technical data 111.5 114.1 22.5 Figure 13.2: Dimensions MSI-SR4B-02 Leuze electronic GmbH + Co. KG MSI-SR4B...
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Page 26: Order Guide
Order guide Order guide Table 14.1: MSI-SR4B safety relays Part no. Article Description 547950 MSI-SR4B-01 Safety relay, screw terminals 547951 MSI-SR4B-02 Safety relay, spring-cage terminals Leuze electronic GmbH + Co. KG MSI-SR4B...
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