SRM installation manual - Moore Industries International
Contents
1. User s Manual SRM 225 765 00E February 2015 Safety Relay Module Table of Contents Section 5 Applications 16 Typical SIL 1 or SIL 2 Application s sssscicisiccsccsetescantisscaraiiss a na cron eaa eo ua ei ensenncsnsitaces 16 SIL 1 or SIL 2 Application using Monitor Output eeeeeeeeeeeeeee 17 SIL 1 or SIL 2 Application using Voltage Signal Alarm 18 Section 6 SRM in Safety Instrumented Systems 19 Functional Safety DescripHOD siano tesa DUcp neers tib ode Iu Da UR Mx Anto s DEOR d da 19 Failure Rate Data 1 2 eor esasx mienne n eua a aud na au san Ru DR EE RUM RES MERE REEE YE REME SEX ERR CREER ER REFERS ERE 19 ego te i ay IMS ioci A cundis ca E EE E EI O d UN IER Mn emer A T RUE Te DEM E Ed 19 OU Bo AE E EE E E E E al cdce edP DECR aS EE 19 MVS edd ANON noes are E ERR RR TT 20 CGonfig urati BD X 20 Visual Diagnostics m 20 Process Safety Time e 20 Proof Test Procedure ceccceeccesceeceecceseeeeceeceeceeueeeceeeeeseeeseneaeneeeeeuueaueaneseneseneaeess 21 Repair and Replacermelib 2 ooecisan ss uasd an au rkida du bu vo ed an eb L M apex FRE PA PERS REDE MAPA RRA nenene 21 Recording and Reporting of SRM Performance eeeeeeeee 21 Section 7 Specifications 23 Section 8 Ordering Information 24 Section 9 Declarations2. Ul moore INDUSTRIES WORLDWIDE Demand Moore Reliability ginpoyy Aejay Ajayes User s Manual 225 765 00E FUNCTIONAL February 2015 SAFETY SERIES Safety Relay Module SRM Safety Relay Module Ll moore INDUSTRIES User s Manual 225 765 00E February 2015 Demand Moore Reliability Customer Support WORLDWIDE Customer Support Moore Industries is recognized as the industry leader in delivering top quality to its customers in products and services We perform a sequence of stringent quality assurance checks on every unit we ship If any Moore Industries product fails to perform up to rated specifications call us for help Our highly skilled staff of trained technicians and engineers pride themselves on their ability to provide timely accurate and practical answers to your process instrumentation questions Our headquarters and other facilities phone numbers are listed below There are several pieces of information that can be gathered before you call the factory that will help our staff get the answers you need in the shortest time possible For fastest service gather the complete model and serial number s of the problem unit s and the job number of the original sale Locations World Headquarters Europe Australia 16650 Schoenborn Street 1 Lloyds Court Manor Royal Sydney NSW North Hills California Crawley 3 1 Resolution Drive 91343 6196 U S A Tel 818 894 7111 Fax 818 891 2816 E mail in
3. arise at the factory 3 Use sufficient packing material and carefully pack the equipment in a sturdy shipping container 4 Ship the equipment to the Moore Industries location nearest you The returned equipment will be inspected and tested at the factory A Moore Industries representative will contact the person designated on your documentation if more information is needed The repaired equipment or its replacement will be returned to you in accordance with the shipping instructions furnished in your documentation s WORLDWIDE WWW miinet com United States infoO miinet com Belgium info mooreind be China sales 9 mooreind sh cn MOORE Tel 818 894 7111 FAX 818 891 2816 Tel 03 448 10 18 FAX 03 440 17 97 Tel 86 21 62491499 FAX 86 21 62490635 IND USTRI ES Australia sales 9mooreind com au The Netherlands sales 9 mooreind nl United Kingdom sales 9mooreind com Tel 02 8536 7200 FAX 02 9525 7296 Tel 0 344 617971 FAX 0 344 615920 Tel 01293 514488 FAX 01293 536852 2015 Moore Industries International Inc Specifications and Information subject to change without notice
4. be the last conductor removed when the unit is being un wired www miinet com 12 Moore Industries International Inc User s Manual SRM 225 765 00E February 2015 Safety Relay Module Recommended Ground Wiring Practices Moore Industries recommends the following ground wiring practices Any Moore Industries product in a metal case or housing should be grounded The protective earth conductor must be connected to a system safety earth ground before making other connections All input signals to and output signals from Moore Industries products should be wired using a shielded twisted pair wiring technique Shields should be connected to an earth or safety ground For the best shielding the shield should be run all the way from the signal source to the receiving device see Note below e The maximum length of un shielded input and output signal wiring should be 2 inches Note Some of Moore Industries instruments can be classified as receivers IPT2 IPX2 etc and some can be classified as transmitters TRX TRY etc while some are both a receiver and a transmitter SPA2 HIM etc Hence your shield ground connections should be appropriate for the type of signal line being shielded The shield should be grounded at the receiver and not at the signal source Contact Load Protection The supply powering the contact load shall be protected by a UL approved branch circuit fuse or breaker rated 250
5. been blown and needs replacing the power input is less than the appropriate amount or that no power is currently applied to the unit Input LED When the SRM Input is open the Input LED will be red When the SRM Input is closed the relay becomes energized and the Input LED will turn green Output LED When the SRM Input is open the Output LED will be red When the SRM Input is closed the relay becomes energized and the Output LED will turn green The Input and Output LEDs provide a visual diagnostic for the SRM Both LED colors should always match unless there is a relay failure such as stuck contacts Note Applications that require wiring the SRM s CC input to a wet relay output 24Vdc instead of voltage free Contact Closure see Applications Figure 5 3 will either show all green LEDs when the contact relay output is closed or all LEDs will be off dark when the contact relay output is open If there are any red LEDs displayed then this indicates a relay failure or blown fuse Process Safety Time Process safety time is the minimum time from the initiation of a hazardous event to the point where the hazardous event is unavoidable Any safety function designed to either prevent the event or at least mitigate its effect must be capable of performing its specified safety function in a time period very much less than the process safety time The SRM has a characteristic response time end to end of 50mSec www
6. experience are capable of identifying risks and avoiding potential hazards when working with these Moore Industries products systems Proper use of Moore Industries products Moore Industries products may only be used for the applications described in the catalog and in the relevant technical documentation If products and components from other manufacturers are used these must be recommended or approved by Moore Industries Proper transport storage installation assembly commissioning operation and maintenance are required to ensure that the products operate safely and without any problems The permissible ambient conditions must be complied with The information in the relevant documentation must be observed We have reviewed the contents of this publication to ensure consistency with the hardware and or software described Since variance cannot be precluded entirely we cannot guarantee full consistency However the information in this publication is reviewed regularly and any necessary corrections are included in subsequent editions Specifications and information are subject to change without notice All product and company names are trademarks or registered trademarks of their respective holders Use of them does not imply any affiliation with or endorsement by them unless otherwise specified Moore Industries International Inc 3 www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 Table o
7. of Conformit 25 Warranty Disclaimer 26 Moore Industries International Inc 5 www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 Section 1 Introduction The Moore Industries Safety Relay Module SRM is part of Moore Industries FS FUNCTIONAL SAFETY SERIES products The SIL 2 certified SRM is designed and manufactured to provide a high level of availability for safety critical applications and for use as a component part of a safety instrumented system This manual contains information needed to install operate and maintain this product When the SRM is used in a SIL rated safety application please refer to the Safety Instrumented Systems section of this manual Safety and failure rate data for the SRM is contained in the SRM FMEDA report Moore Industries Document No 700 702 35 and is available upon request Description The SRM is a relay repeater model that accepts a single contact closure input from a logic solver trip output such as the Moore Industries STA Safety Trip Alarm or the SPA2 Programmable Limit Alarm Trip The SRM provides three contacts per alarm input allowing you to add alarm contacts for your safety processes without special installation or configuration Relay Terminology Normal is the term used to describe the shelf state of relay contacts The contacts of a Normally Open relay are open infinite resistance when the relay is not energized The contacts
8. when OVdc is applied Note Output Relay signal source must be capable of providing and handling a load of 24Vdc 5 at 100MA Figure 5 3 SRM in SIL 1 and SIL 2 applications when used with wet contact 24Vdc outputs SRM Top View Jumper Wire Short MONITOR PLC DCS n I or Auxiliary Monitoring Device SRM Bottom View Ground 24DC Relay Contact Output www miinet com 18 Moore Industries International Inc User s Manual SRM 225 765 00E February 2015 Safety Relay Module Section 6 SRM in Safety Instrumented Systems The SRM is designed for use as an element of the safety instrumented system as defined by IEC 61508 4 paragraph 3 4 1 This user manual contains all of the information needed to install operate and maintain this product For safety applications the SRM must only be used in accordance with this information and the restrictions and limitations as detailed below Functional Safety Description The SRM has been certified by exida 9 to IEC61508 2010 for systematic and random integrity up to SIL2 This means that an SRM is approved for single use in Safety Instrumented Systems SIS up to SIL2 Failure Rate Data The SRM FMEDA report Moore Industries Document No 700 702 35 provides the failure data including PFD and SFF required for calculations to use the SRM as part of a Safety Instrumented System P
9. 26 requirements set forth in the applicable EMC directive The Low Voltage Directive also applies to the SRM when connecting any of its output relay con tacts to voltages greater than 50 vac In order to comply with EN61010 1 Low Voltage Directive all guidelines in this section must be followed Moore Industries International Inc 13 www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 Section 4 Operation and Maintenance When the SRM is used in a SIL rated safety application please refer to the Safety Instrumented Systems section of this manual before operating your unit Operation Once installed and supplied with the correct power the SRM begins to operate immediately Depending upon environmental conditions it can be expected to operate unattended for extended periods of time Figure 4 1 SRM Front Panel LEDs Power LED Input LED Output LED TAG moore INDUSTRIES Visual Diagnostics The SRM incorporates three 3 LEDs which indicate Input Output and Power status The Input and Output LEDs provide a visual diagnostic for the SRM Both LED colors should always match unless there is a relay failure such as stuck contacts The Power LED will be green when appropriate power is supplied to SRM Input LED When the SRM Input is open the Input LED will be red When the SRM Input is closed the relay becomes energized and the Input LED wil
10. 6 Electrical equipment for measurement control and laboratory use EMC requirements Directive 2006 95 EC LVD Electrical Safety Low Voltage Directive Specifications Conformed To EN 61010 1 2010 Electrical Safety requirements for electrical equipment for measurement IEC 61010 1 2010 3rd Ed control and laboratory use Part 1 General requirements On Behalf of Moore Industries International Inc declare that on the date the equipment accompanied by this declaration is placed on the market the equipment conforms with all technical and regulatory requirements of the above listed directives Signature Ive iret Deanna Esterwold Quality Manager Moore Industries International Inc 25 www miinet com Warranty Disclaimer Moore Industries The Company makes no express implied or statutory warranties including any warranty of merchantability or of fitness for a particular purpose with respect to any goods or services sold by the company The company disclaims all warranties arising from any course of dealing or trade usage and any buyer of goods or services from the company acknowledges that there are no warranties implied by custom or usage in the trade of the buyer and of the company and that any prior dealings of the buyer with the company do not imply that the company warrants the goods or services in any way Any buyer of goods or services from the company agrees with the company that the sole and exclusive rem
11. CASE GND pin which should have OQ resistance Note This test for shorts between the power input and output to the case and verifies that ground is connected to case 3 Supply 24Vdc power to SRM Install one 1 2k ohm 1 2W resistor to each Common CM terminal Connect remaining end of resistors to 24Vdc 5 Finally connect each remaining terminal NC or NO to 24Vdc Return Note This circuit will pass 12mA through each relay contact Using voltmeter measure voltage across each of the three 3 normally open terminals and verify that the measured voltage is between 22 8 and 25 2Vdc 7 Applya short across the CC Input Terminal Using voltmeter measure voltage across each of the three 3 normally open terminals and verify that the measured voltage is less than 0 1V Using voltmeter measure voltage across normally closed terminal and verify that the measured voltage is between 22 8 and 25 2Vdc 10 Switch off or disconnect power to SRM Using voltmeter measure voltage across each of the three 3 normally open terminals and verify 13 that the measured voltage is between 22 8 and 25 2Vdc Using voltmeter measure voltage across the normally closed terminal and verify that the measured voltage is less than 0 1V Note Step 9 11 verifies SRM will fail safe 13 Reconnect SRM to original connection Remove the bypass from the safety logic solver or otherwise restore normal operaton Using voltmeter mea
12. EF SIM em 119mm 35mm lt 4 7 in al 1 4 in A I3 GJ ve REF GT 48 100mm 8 94 in 47 REF 1 8 in Y Y 124mm r 4 8 in Mounting The SRM is housed in a universal DIN case that can be mounted on both 32mm G type EN50035 and 35mm Top Hat EN50022 DIN rail To mount the SRM on a Top Hat DIN rail seat the upper extrusion on the unit back panel over the top lip of the rail and pivot downward until the housing locks into place To mount the unit on a G type rail seat the extrusion under the top lip of the rail and again pivot downward When mounting multiple units like a rack or cabinet make sure to allow adequate vertical spacing for pivoting the units Moore Industries International Inc 211 www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 Electrical Connections When installing any Moore Industries product always follow all local regulations and standards for grounding shielding and safety Refer to Figure 3 1 for Terminal Designations Use 90 C suitable wiring for all connections Warning Terminals on this unit may be connected to hazardous voltages Before making ANY connections to this unit always remove power from the loop or instrument power terminals Installation Category All terminals are rated CAT Environmental rating Pollution Degree 2 Relay contacts are intended for connection to over voltage Category II mains sources Equipmen
13. Vac 10 Amp Contact Load Suppression The SRM s CC Contact Closure input circuit includes an internal snubbing diode across it s relay coil which means there is no need for any external suppression across the input terminals The SRM does not provide any surge suppression across its relay contacts When the instrument relays are used to switch an inductive load such as an external relay coil contactor solenoid inductive load large voltage spikes may be created in nearby cable harnesses When excessive these voltage spikes can disrupt the operation of all nearby electronics including this product Inductive loads should have suppression devices installed at the load for external relays this would be right across the relay coil itself Usually this is a simple diode for dc circuits AC circuits routinely use an R C snubber Please follow the external load manufacturer instructions for their recommended suppression kits damaged This damage could include blowing of replaceable fuses on the relay outputs see Caution If suppression devices are not installed on inductive loads the SRM unit may be 2 Maintenance section for fuse replacement Please contact Moore Industries Customer Service for further technical assistance CE Certification related Guidelines Installation of any Moore Industries products that carry the CE marking must adhere to the guidelines in the Recommended Ground Wiring Practices section in order to meet the EN 613
14. d on the input or output terminals one or more fuses may blow and will need to be replaced If fuse replacement is required disconnect all terminals from the unit remove left side panel as viewed from the front and refer to Figure 5 below for fuse locations All fuses are 5mm x 20mm 250VAC Slow Blow with the following current rating F201 0 5A for Power Fuse Moore Industries Part Number 800 855 16 F202 F204 5 0A for Normally Open Process relays Moore Industries Part Number 800 857 16 F205 1 0A for Normally closed Monitor relay Moore Industries Part Number 800 856 16 Figure 4 2 Fuse Locations Caution Replacement fuses must be exactly the same size type voltage and current rating as specified here Any deviations could create a safety hazard Replace fuses with caution pushing down excessively can result in damage to unit Moore Industries International Inc a5 A www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 Section 5 Applications This section provides some examples of typical applications for the SRM Typical SIL 1 or SIL 2 Application The SRM used in a standard SIL 1 or SIL 2 application with up to three outputs Figure 5 1 SRM in SIL 1 and SIL 2 applications SRM Top View moore INDUSTRIES SRM Bottom View www miinet com 16 Moore Industries International Inc User s Man
15. ease visit our web site at www miinet com or contact any of our sales support offices nearest you Your safety and the safety of others is very important We have provided many important safety messages in this manual Please read these messages carefully These safety messages alert you to potential hazards that could hurt you or others or render damage to units All Moore Industries instrumentation should only be used for the purpose and in the manner described in this manual If you use this product in a manner other than that for which it was intended unpredictable behavior could ensue with possible hazardous consequences jenueyy Siy jnoqy Each safety message is associated with a safety alert symbol These symbols are found in the throughout the manual The definition of these symbols is described below Pay particular attention wherever you see the following symbols Note Information that is helpful for a procedure condition or operation of the unit Caution Hazardous procedure or condition that could damage or destroy the unit Warning Hazardous procedure or condition that could injure the operator Qualified Personnel The Moore Industries product systems described in this manual may be operated only by personnel qualified for the specific task in accordance with the relevant documentation in particular its warning notices and safety instructions Qualified personnel are those who based on their training and
16. edies for breach of any warranty concerning the goods or services shall be for the company at its option to repair or replace the goods or services or refund the purchase price The company shall in no event be liable for any consequential or incidental damages even if the company fails in any attempt to remedy defects in the goods or services but in such case the buyer shall be entitled to no more than a refund of all monies paid to the company by the buyer for purchase of the goods or services Any cause of action for breach of any warranty by the company shall be barred unless the company receives from the buyer a written notice of the alleged defect or breach within ten days from the earliest date on which the buyer could reasonably have discovered the alleged defect or breach and no action for the breach of any warranty shall be commenced by the buyer any later than twelve months from the earliest date on which the buyer could reasonably have discovered the alleged defect or breach Return Policy For a period of thirty six 36 months from the date of shipment and under normal conditions of use and service Moore Industries The Company will at its option replace repair or refund the purchase price for any of its manufactured products found upon return to the Company transportation charges prepaid and otherwise in accordance with the return procedures established by The Company to be defective in material or workmanship This policy
17. extends to the original Buyer only and not to Buyer s customers or the users of Buyer s products unless Buyer is an engineering contractor in which case the policy shall extend to Buyer s immediate customer only This policy shall not apply if the product has been subject to alteration misuse accident neglect or improper application installation or operation THE COMPANY SHALL IN NO EVENT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES To return equipment to Moore Industries for repair follow these four steps 1 Call Moore Industries and request a Returned Material Authorization RMA number Warranty Repair If you are unsure if your unit is still under warranty we can use the unit s serial number to verify the warranty status for you over the phone Be sure to include the RMA number on all documentation Non Warranty Repair If your unit is out of warranty be prepared to give us a Purchase Order number when you call In most cases we will be able to quote you the repair costs at that time The repair price you are quoted will be a Not To Exceed price which means that the actual repair costs may be less than the quote Be sure to include the RMA number on all documentation Provide us with the following documentation a Anote listing the symptoms that indicate the unit needs repair b Complete shipping information for return of the equipment after repair c The name and phone number of the person to contact if questions
18. f Contents Section 1 Introduction 6 DOSEN PRON C anaE aair 6 Model Numbers and Options eeeeeeeeeeee ee eee nennen nnne nnne nnns 6 SRM Safety Relay Module eruere tn terri tns reed us cantu dun Edu e pr Rte tnst RPM M DER S EDM E ERR D UE Gi USE T Section 2 Calibration Bench Check 8 ANNE Uses TC p Ua 8 Bench Check Proceduro eek eidee eo Ixno so oed RUE E PHDSBADDMARE RUE EDHDSBBDS PARRA rikat 8 Section 3 Installation and Wiring 10 Terminal Designations ce M 10 DIMENSIONS sacs cs ie esate Lind du dide LEG st eod Dr aE Re ee cda 11 Mounting c H 11 Electrical Connections eeissssssssssessssessseeeeennnnnne nnne ener nnn nrn enses snas nain ann nnns sensn angi 12 ioci dope esl NR DE EE TOTO TOES 12 Contact Load Protection c ccccccccccccscceeeceeeeseeeseeceseeessseseceseseceeesesessceseeceeecsseessessseessesseesseess 13 COMACY LOSE Suppression surrena Ea a Rasa gu a aei D EUREN a o aean i 13 Section 4 Operation and Maintenance 14 Slo yq iilo PEDEM ee aM Rc TREE NORIS 14 Vis al UAE P cee aa tes samc a eae sa Peete tea nes car oan pean eae ocen aS EEEN AES 14 MAING ANIC ee 15 Fuse Replacement ui erre iR XE USE FeY a Lag EY Na V RARE MR HA eR MR RR A E RR D 15 www miinet com 4 Moore Industries International Inc
19. fo miinet com TOLL FREE 1 800 999 2900 www miinet com China Room 806 Block 2 Lotus International Plaza No 7866 Hu Min Road Min Hang District Shanghai 201102 P R China Tel 86 21 62491499 Fax 86 21 62490635 E mail sales mooreind sh cn www miinet com cn www miinet com www miinet com Moore Industries International Inc W Sussex RH10 9QU United Kingdom Tel 01293 514488 Fax 01293 536852 FREE PHONE 0800 525107 sales mooreind com www miinet com uk Drie Eikenstraat 362 B 2650 Edegem Belgium Tel 03 448 10 18 Fax 03 440 17 97 info mooreind be Dutch www miinet com dbe French www miinet com fbe Burg Meslaan 98 4003 CD Tiel The Netherlands Tel 0 344 617971 Fax 0 344 615920 sales mooreind nl www miinet com nl Caringbah New South Wales 2229 Australia Tel 02 8536 7200 Fax 02 9525 7296 sales mooreind com au www miinet com au Perth WA 6 46 Angove Street North Perth Western Australia 6006 Australia Tel 08 9228 4435 Fax 08 9228 4436 sales mooreind com au www miinet com au User s Manual SRM 225 765 00E February 2015 Safety Relay Module Safety Messages Please read this manual in its entirety It should answer most of your questions For personal and system safety and for optimum product performance make sure you thoroughly understand the contents before installing using or maintaining this product Should you still have questions pl
20. g diode across it s relay coil which means there is no need for any external suppression across the input terminals OUTPUTS 3RO 3 Relay Outputs There are 3 sets of fuse protected normally open relay contacts These are rated 250Vac 30Vdc 5A resistive Note There is also one additional set of fuse protected normally closed relay contacts Monitor Contacts used for diagnostics These are rated 250Vac 30Vac 1A resistive POWER 24DC The required power is 24Vdc 5 to 10 Power consumption is 1 5W typical 2 3W maximum OPTIONS There are no options available at this time HOUSING DIN Universal DIN style housing mounts on a 32mm G type rail EN 50035 or on 35mm Top Hat rail EN50022 www miinet com Moore Industries International Inc SRM User s Manual 225 765 00E Safety Relay Module February 2015 Section 2 Calibration Bench Check We highly recommend that you perform a bench check of the SRM prior to installing it in the field Doing this will ensure that it is operating within your expectations or requirements Calibration The SRM does not require calibration Bench Check Procedure Setup unit using Figures 2 1 and 2 2 and equipment in table 2 1 1 Apply 24Vdc power to the SRM with no other Inputs or Outputs connected and verify the status of the LEDs Power Green Input Red Output Red Also using the ohmmeter verify the status of the SRM outputs Output Terminals No
21. ional Inc 229 Specifications and Information subject to change without notice www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 Section 8 Ordering Information The SRM ordering information is detailed below Power Options Housing SRM cc 3RO Three 3 24DC DIN Universal DIN style housing Safety Contact Relay Outputs mounts on 32mm EN50035 G type Relay Closure and 35mm EN50022 Module Top Hat DIN rails When ordering specify Unit Input Output Power Options Housing Model number example SRM CC 3RO 24DC DIN Accessories Part Number FMEDA Report consistent with IEC 61508 2 2002 providing the information necessary to design a Safety Instrumented 700 702 35 System One copy provided free with each order Upon Request www miinet com 24 Moore Industries International Inc SRM User s Manual 225 765 00E February 2015 Safety Relay Module Section 9 Declarations of Conformity moone EC Declaration of Conformity WORLDWIDE Moore Industries International Inc Date Issued 26 Aug 2014 No 100 100 218 Rev D 16650 Schoenborn Street North Hills CA 91343 6196 U S A Page 1 of 1 Equipment Description Safety Relay Module Model SRM Indicates any input output power options and housing as stated in the product data sheet Directive 2004 108 EC EMC Specifications Conformed To EN 61326 1 200
22. l turn green Output LED When the Normally Open terminals are closed and the Monitor terminal is open the Output LED will be green When the Normally Open terminals are open and the Monitor terminal is closed the Output LED will be red Power LED The Power LED will be green when appropriate power is supplied to SRM If there is power applied to the unit and the power led is off the power fuse may be blown and need to be replaced see Maintenance section If both input and output LEDs are correct but any of the outputs are stuck open the fuse on the stuck output may be blown and need to be replaced see Maintenance section Note Applications that require wiring the SRM s CC input to a wet contact 24Vdc instead of voltage free Contact Closure see Applications Figure 5 3 will either show all green LEDs when the contact relay output is closed or all LEDs will be off dark when the contact relay output is open If there are any red LEDs displayed then this indicates a relay failure or blown fuse www miinet com 14 Moore Industries International Inc User s Manual SRM 225 765 00E February 2015 Safety Relay Module Maintenance Moore Industries suggests a quick check for terminal tightness and general unit condition every year Always adhere to any site requirements for programmed maintenance Fuse Replacement Input power and all output terminals are fuse protected If maximum voltage or currents are exceede
23. miinet com 20 Moore Industries International Inc User s Manual SRM 225 765 00E February 2015 Safety Relay Module Proof Test Procedure It is normal practice with SIS that the components undergo periodic proof tests to expose dangerous faults that are not detected by internal diagnostic tests Thus this section specifies how the dangerous undetected faults determined during the FMEDA can be detected during proof testing Calculation of the required proof test interval can be made using data in the FMEDA report Moore Industries Document No 700 702 35 A proof test interval of 21 months is recommended for a single SRM used in a typical SIL 2 low demand application PFDave budget for the SRM is assumed to be 5 of the total PFDayc allocation of the safety function The proof tests described in Table 6 1 cover all possible dangerous undetected faults Periodically testing the SRM using the proof test steps outlined below the accumulated PDFavc value can be reduced to zero Repair and Replacement The SRM has replaceable fuses see Maintenance section After replacing any fuses it is recommended to run the proof test procedure before returning the unit back to service Except for the fuses the SRM is not intended to be repaired on site and has no components needing maintenance or regular replacement On device failure the SRM should be returned to Moore Industries World Headquarters in North Hills CA U S A for re
24. of a Normally Closed relay are open when the relay is energized closed when not energized Note Sometimes a non alarm input level is referred to as being in a normal condition This practice is intentionally avoided in this manual Do not confuse the term normal as in Normally Open or Normally Closed with a non alarm input condition In this manual normal is an exclusive reference to the shelf state or quiescent state of an alarm s relay contacts whether open or closed SRM Applications Please refer to Section 5 Applications for examples of typical SRM applications Model Numbers and Options The following section provides details of the Moore Industries model number and the available options for the SRM Moore Industries model numbers for SRM are structured as follows SRM CC 3RO 24DC DIN Unit Input Output Power Options Housing Refer to Section 8 Ordering Information for a quick reference table of ordering information www miinet com 6 Moore Industries International Inc SRM User s Manual 225 765 00E Safety Relay Module February 2015 SRM Safety Relay Module INPUTS CC Contact Closure When the input to the SRM is open there will be 24Vdc present at the input terminals When the input to the SRM is closed there will be a maximum of 55mA flowing through the closed circuit Note The SRM s CC Contact Closure input circuit includes an internal snubbin
25. ore Industries International Inc 9 www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 Section 3 Installation and Wirin Instructions in this section and others may require special precautions to ensure the safety of the personnel performing the operations Notes Cautions and Warnings that may cause potential safety issues are indicated throughout this manual by symbols please refer to Page 3 of this manual to view and familiarize yourself with these safety message symbols Note Make sure to bench check the instruments prior to installation Also install all instruments in their intended application and on their rail before making any electrical connections Allow enough room for pivoting instruments vertically on the rail for removal in applications involving multiple banks of SRM Terminal Designations Figure 3 1 Terminal Designations VIEWED FROM TOP VIEWED FROM BOTTOM KEY DC Power Input NO Normally Open DCC Power Input NC Normally Closed CM Relay Common GND Ground NOTES 1 Terminal blocks can accommodate 14 22 AWG solid wiring www miinet com 10 Moore Industries International Inc User s Manual SRM 225 765 00E February 2015 Safety Relay Module Dimensions Figure 1 The SRM Dimensions 136mm 4 REF 5 3 in mm R
26. pair and refurbishment refer to Returns Procedures at the end of this manual Warning Replacement fuses must be exactly the same size type voltage and current rating as specified in the Maintenance section Any deviations could create a safety hazard and will invalidate any remaining warranty With the exception of fuses repair or replacement of any component without authorization from Moore Industries will invalidate any remaining warranty Recording and Reporting of SRM Performance It is the end user s responsibility to maintain records of all safety components failures especially those that might be classified as potentially dangerous This feedback data not only helps the supplier identify and rectify reliability issues but also to provide quantitative data to increase confidence in the FMEDA analysis of dangerous failure rates Please ensure that any components returned to Moore Industries are returned with a clear report identifying the fault experienced Moore Industries International Inc 21 www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 Table 6 1 SRM Proof Test Steps Action 1 Bypass the safety logic solver or take other appropriate action to avoid a false trip Disconnect all wires from SRM Using an ohmmeter measure the resistance between the case and all exposed pins on the front panel Verify that the measured resistance is greater than 1MO with the exception of the
27. rmally Open 1 to Common 1 NO1 to CM1 Open Normally Open 2 to Common 2 NO2 to CM2 Open Normally Open 3 to Common 3 NO3 to CM3 Open Monitor Terminals Normally Closed 4 to Common 4 NC4 to CM4 Less than 1 ohm 2 Connect the 20 ohm resistor across the two Input terminals Note The reason for using the 20 ohm resistor is to simulate worn or dirty contacts at the Input Verify the status of the LEDs Power Green Input Green Output Green Also using the ohmmeter verify the status of the SRM outputs Output Terminals Normally Open 1 to Common 1 NO1 to CM1 Less than 1 ohm Normally Open 2 to Common 2 NO2 to CM2 Less than 1 ohm Normally Open 3 to Common 3 NO3 to CM3 Less than 1 ohm Monitor Terminals Normally Closed 4 to Common 4 NC4 to CM4 Open www miinet com 8 Moore Industries International Inc User s Manual SRM 225 765 00E February 2015 Safety Relay Module Table 2 1 Bench Check Equipment for the SRM Device Specifications Power Supply Calibrated regulated 24Vdc 10 source nominal for SRM Load Resistor 20 ohm 1 4W resistor Ohmmeter Calibrated to an accuracy of 0 5 All referenced product names are the sole property of their respective manufacturers Figure 2 1 SRM Front Panel LEDs Power LED Input LED Output LED TAG Figure 2 2 Bench Check Set up T Ground Mo
28. roduct life The product life of the SRM primarily depends on contact life or number of operations Figure 6 1 shows a graphical representation of number of operations versus switching current Contact life Figure 6 1 SRM Contact Life Chart 10000 1000 e o No of operations X 1000 eo 0 1 0 5 1 2 3 45678910 Switching current A 24Ndc 250Vac 230Vac Moore Industries International Inc 19 www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 Installation No special installation is required in addition to the standard installation practices in this user manual Refer to the specification table of this user manual for ambient conditions and required power input Configuration The SRM is a passive unit that requires no user configuration For SIL 1 and SIL 2 applications it can be connected directly to a Safety Logic Solver such as the STA from Moore Industries For diagnostic purposes the monitor relay and input signal may also be connected to a third party system See Applications section for examples Visual Diagnostics The SRM incorporates two 2 LED which indicate Input and Output status e Power LED The Power LED is green when the appropriate input power is applied to the SRM An extinguished Power LED may indicate that the power fuse has
29. sure voltage across the normally closed terminal and verify that the measured voltage is less than 0 1V www miinet com 22 Moore Industries International Inc User s Manual 225 765 00E February 2015 SRM Safety Relay Module Section 7 Specifications Performance Power Consumption 1 5W typical 2 3W Max Response Time 20ms typical 50ms Max Isolation 1500Vrms between power and Input to each output power and input to case case to output Power 24Vdc 5 to 10 Input Type Contact Closure CC 24Voc Isc 55mA Includes diode suppression of relay coil Output Type Three 3 fuse protected Normally Open Terminals 250Vac 30Vdc 5A resistive for user application One 1 fuse protected Normally Closed Terminal 250Vac 30Vdc 1A resistive for diagnostics Ambient Conditions Operating Range 20 C to 70 C 4 F to 158 F Relative Humidity 0 95 non condensing RF Standards Meets IEC61326 1 and IEC61326 3 Functional Safety RFI EMI Protection RF immunity at 20V m 20 1000MHZz when tested to IEC61000 4 3 Indicators Power Green ON when the appropriate power is applied Input Green when CC Terminal closed Red when CC Terminals are open Output Green when the Normally Open terminals are closed and the Monitor terminal is open Red when the Normally Open terminals are open and the Monitor terminal is closed Weight 328 99 11 60z Moore Industries Internat
30. t Ratings The SRM accepts a contact closure input and switches outputs up to 5A at up to 240 Vac or 30 Vdc It does not generate hazardous voltages but may switch hazardous voltages gt 50Vac on its output contacts Products connected to the SRM should be designed to receive this type of input Warning If this unit is used in a manner not specified by Moore Industries the protection provided by the equipment may be impaired 24Vdc Supply Wiring All power connections should be made with 14 or 20 AWG 2 0mm or 0 52mm wire The end of each conductor should be stripped no more than 0 25in 7mm The end of the stripped wire should be tinned with solder or inserted into a ferrule and crimped before being placed into a terminal block Tighten the screws on the terminal block to 4 4 5 3 Ibf in 0 5 0 6 N m Input Output Wiring The Input Output connections can be made with 14 to 22 AWG 2 0mm or 0 33mm wire If high voltage currents are being switched on the relay contacts then 14 or 16 AWG 2mm or 1 3mm wire is recommended The end of each conductor should be stripped no more than 0 25in 7mm Tighten the screws on the terminal block to 4 4 5 3 Ibf in 0 5 0 6 N m Protective Earth Conductor The Protective Earth Conductor shall be of equal or larger size wire than the other two power conductors The Protective Earth Conductor shall be the first conductor connected to the unit when the unit is being wired It shall
31. ual 225 765 00E February 2015 SRM Safety Relay Module SIL 1 or SIL 2 Application using Monitor Output The Monitor and Input contacts of the SRM may be connected to a PLC DCS or other monitoring device for diagnostic purposes Figure 5 2 SRM in SIL 1 and SIL 2 applications using Monitor output 24Vdc Power Moore Industries International Inc x7 SRM Top View MONITOR o PLC DCS or Auxiliary Load 1 iuis Monitoring Load 2 Device i Load 3 UE SRM Bottom View www miinet com SRM User s Manual 225 765 00E Safety Relay Module February 2015 SIL 1 or SIL 2 Application when used with wet Relay Contact Outputs The Contact Closure CC input of the SRM is designed to accept a dry or volt free contact Applications that require hooking up the SRM to an output that includes a wet or voltage usually 24Vdc contact output are shown in Figure 5 3 In this instance the source relay output is used to apply power to the SRM rather than being applied to the input of the SRM By shorting the CC input terminals of the SRM the outputs of the SRM will be energized when the source relay output applies voltage to the SRM s power terminals When the source relay output circuit opens the SRM will be turned off and the output relays will become de energized In this application the LEDs will be green when 24Vdc is applied and all LEDs will be dark
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