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Summary of Contents for Leuze MSI-SR5B
- Page 1 Original operating instructions MSI-SR5B Safety Relays SAFE IMPLEMENTATION AND OPERATION We reserve the right to make technical changes EN 2021/05/27 - 50124428...
- Page 2 © 2021 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 Leuze electronic GmbH + Co. KG MSI-SR5B...
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Page 3: Table Of Contents
Technical data ............31 Leuze electronic GmbH + Co. KG... - Page 4 EC Declaration of Conformity..........35 Leuze electronic GmbH + Co. KG...
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Page 5: 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-SR5B... -
Page 6: 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-SR5B... -
Page 7: Using E-Stop Buttons
Alone, the safety relay is not a complete protective device. It is not suitable for use in the following cases: • in explosive or easily flammable atmospheres. • on machines or systems with long stopping times. Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 8: Competent Persons
• 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 9: Device Description
PL e in accordance with EN ISO 13849-1:2015 and SIL 3 in accordance with EN 61508-1:2010, satisfies the highest safety level. Figure 3.1: MSI-SR5B with screw terminals Figure 3.2: MSI-SR5B with spring-cage terminals Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 10: System Overview
• LED displays Power, K1 and K2, Reset • Operating voltage 24 V AC/DC • Housing width 22.5 mm • Removable connection terminal blocks (screw terminals, spring-cage terminals) Display elements Four LEDs indicate the operating state of the safety relay. Leuze electronic GmbH + Co. KG MSI-SR5B... - Page 11 Device description "Supply" LED "K1" LED "K2" LED "Reset" LED Figure 3.4: Display elements of the MSI-SR5B Table 3.1: LED indicators Designation LED color Meaning Supply Green Supply voltage Green Channel 1 Green Channel 2 Reset Orange Start/restart interlock locked Leuze electronic GmbH + Co.
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Page 12: Functions
If it is to be expected that two, single-channel, contact-controlled sensors will be switched on simultane- ously, these must be connected at a terminal group or a protected cable layout must be selected. Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 13: Applications
• Two-channel protective door monitoring (up to category 4, EN ISO 13849-1:2015) Figure 5.1: For double muting with entry and exit area, the safety relay evaluates e.g. two AOPDs with integrated muting function and two muting sensors for each AOPD. Leuze electronic GmbH + Co. KG MSI-SR5B... - Page 14 Applications Figure 5.2: With this type of point of operation guarding with a service door, the safety relay evaluates the signals of the safety locking device and of the AOPD. Leuze electronic GmbH + Co. KG MSI-SR5B...
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Page 15: Mounting
• Arrangement of the protective device acc. to EN ISO 13855-1:2010 and EN 61496-2:2013. Snap the safety relay onto the DIN rail. The safety relay can be connected to the safety sensors. Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 16: Electrical Connection
DIN EN 50156-1. Connecting the signal lines For reliable and touch-safe contacts, isolate the connection ends as follows: • Screw terminals: 7 mm • Spring-cage terminals: 8 mm Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 17: Terminal Assignments
24 V voltage supply, contacts RES-I Reset input RES-O Signal for automatic restart interlock 0V-O 0 V voltage supply, contacts OSSD1 Relay contact 1 OSSD1 Relay contact 1 OSSD2 Relay contact 2 OSSD2 Relay contact 2 Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 18: Sensor Wiring
2, two-channel Channel 2 Bridge 14 E-Stop command Channel 1 device 2, single-channel Bridge 21 Bridge 22 E-Stop command Channel 2 device 2, single-channel Bridge 23 Bridge 22 SK = safety-related contact Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 19: Selecting The Operating Modes
, all four channels (Sx1, Sx2) must have satisfied the release condition (see chapter 7.2.2 "Acceptance of pending sensor signals (S1 and S2), for both channel 1 (Sx1) and channel 2 (Sx2)"). • Release signal RES must be applied for at least 150 ms. Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 20: Circuit Diagram Examples
AOPD, Type 4 (+S21) (-S22) +24V (IV-O) (RES-I) (RES-O) (0V-O) (0V) Figure 7.2: One type 4 AOPD with two safety-relevant transistor outputs, two-channel E-Stop button, RES and contactor monitoring (EDM, K3 and K4) Leuze electronic GmbH + Co. KG MSI-SR5B... - Page 21 (RES-I) (RES-O) (0V-O) (0V) Figure 7.4: Two type 4 AOPDs, each with two normally open contacts, manual restart (RES) and con- tactor monitoring (EDM), separate supply lines to the AOPDs required, local wiring Leuze electronic GmbH + Co. KG MSI-SR5B...
- Page 22 Due to the separate danger zones, a reset button is provided for each sensor for unlocking the start/restart interlock. Contactor monitoring is performed in the cabinet by the safety relay. Leuze electronic GmbH + Co. KG MSI-SR5B...
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Page 23: Connecting To The Machine Control
Other parameters, such as access speed or additional distance to be added to the safety distance, are dependent on the respective applications and the resolution of the used AOPD. European standard EN ISO 13855 includes calculation formulas and examples for various arrangements. Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 24: 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-SR5B... -
Page 25: 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-SR5B... -
Page 26: 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-SR5B... -
Page 27: 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-SR5B... -
Page 28: Maintenance
Maintenance Maintenance The safety relay is maintenance-free. Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 29: Disposing
Disposing Disposing For disposal observe the applicable national regulations regarding electronic components. Leuze electronic GmbH + Co. KG MSI-SR5B... -
Page 30: 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 31: Technical Data
Contactor monitoring (EDM) Control input RES-I Potential-free normally open contact (RES button Start/restart interlock (reset) or key switch) Control input RES-I Feedback of positive-guided contacts of sequential Contactor monitoring (EDM) contactors (see connection diagram) Leuze electronic GmbH + Co. KG MSI-SR5B... - Page 32 0.2…1.5 mm (AWG 24-16) Maximum tightening torque 0.52 Nm OSSD-suitable spark extinction via the coils of the Required downstream relays Ambient temperature, operation 0 … 55 °C Ambient temperature, storage -25 … 70 °C Leuze electronic GmbH + Co. KG MSI-SR5B...
- Page 33 Relative humidity (non-condensing) 0 … 95% Dimensions 99 x 22.5 x 111.5 mm Weight 170 g 13.1 Dimensions 111.5 114.1 22.5 Figure 13.1: Dimensions of MSI-SR5B-01 111.5 114.1 22.5 Figure 13.2: Dimensions of MSI-SR5B-02 Leuze electronic GmbH + Co. KG MSI-SR5B...
- Page 34 Order guide Order guide Table 14.1: MSI-SR5B safety relays Part no. Article Description 547952 MSI-SR5B-01 Safety relay, screw terminals 547953 MSI-SR5B-02 Safety relay, spring-cage terminals Leuze electronic GmbH + Co. KG MSI-SR5B...
- Page 35 EC Declaration of Conformity EC Declaration of Conformity Leuze electronic GmbH + Co. KG MSI-SR5B...
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