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K. A. Schmersal GmbH & Co. KG

Möddinghofe 30, D - 42279 Wuppertal

Postfach 24 02 63, D - 42232 Wuppertal 

Phone:  +49 - (0)2 02 - 64 74 - 0 

Telefax:  +49 - (0)2 02 - 64 74 - 1 00

E-Mail: info@schmersal.com

Internet: http://www.schmersal.com

Summary of Contents for SRB 304ST

Page 1: ... with the versions listed below or for the applications authorised by the manufacturer Detailed information regarding the range of applications can be found in the chapter Product description To avoid EMC disturbances the physical ambient and operational conditions at the place where the product is installed must meet the provisions laid down in the paragraph Electromagnetic Compatibility EMC of D...

Page 2: ... S12 and or S21 S22 and or S31 S32 are opened The safety relevant current paths with the output contacts 13 14 23 24 and 33 34 meet the following requirements under observation of a PFH value assessment also refer to chapter 2 5 Safety classification Control category 4 PL e to DIN EN ISO 13849 1 Corresponds to SIL 3 to DIN EN 61508 2 SILCL 3 to DIN EN 62061 To determine the Performance Level PL of...

Page 3: ... 918 17 0 min 100 12 223 43 0 min 3 Mounting 3 1 General mounting instructions Mounting snaps onto standard DIN rails to EN 60715 Snap the bottom of the enclosure slightly tilted forwards in the DIN rail and push up until it latches in position 3 2 Dimensions All measurements in mm Device dimensions H W D 100 x 45 x 121 mm with plugged in terminals 120 45 121 mm 4 Rear side Electrical connection 4...

Page 4: ...3 If the hybrid fuse is not activated Y3 is supplied with operating voltage 24 V F2 Y3 Y2 Y1 Fig 4 6 Set up and maintenance 6 1 Functional testing The safety function of the safety monitoring module must be tested The following conditions must be previously checked and met 1 Correct fixing 2 Check the integrity of the cable entry and connections 3 Check the safety monitoring module s enclosure for...

Page 5: ... 60947 5 5 Fig 8 Wire breakage and earth leakage in the control circuits are detected Category 2 PL d to DIN EN 13849 1 possible Dual channel emergency stop circuit with command devices to DIN EN ISO 13850 EN 418 and EN 60947 5 5 Fig 9 The control system recognises wire breakage and earth faults in the control circuit Cross wire shorts between the control circuits are not detected Category 4 PL e ...

Page 6: ...et switching capacity min 240 mW switching voltage min 24 VDC switching current min 10 mA For example the following safety sensors from Schmersal meet the requirements BNS 33 02z 2187 BNS 33 02zG 2187 BNS 260 02z BNS 260 02zG BNS 260 02 01z BNS 260 02 01zG When sensors with LED are wired in the control circuit protective circuit the following rated operating voltage must be observed and respected ...

Page 7: ... construction conform to the applicable European Directives Name of the component SRB 304ST Description of the component Safety monitoring module for emergency stop circuits guard door monitoring magnetic safety switches and AOPDs Relevant Directives Machinery Directive EMC Directive RoHS Directive 2006 42 EC 2014 30 EU 2011 65 EU Applied standards EN 60947 5 1 2004 AC 2005 A1 2009 EN 60947 5 3 20...

Page 8: ... A Schmersal GmbH Co KG Möddinghofe 30 D 42279 Wuppertal Postfach 24 02 63 D 42232 Wuppertal Phone 49 0 2 02 64 74 0 Telefax 49 0 2 02 64 74 1 00 E Mail info schmersal com Internet http www schmersal com ...

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