8500960 XTA-MRNO-6 User`s Manual
Contents
1. POWER CAN OPTIONALLY BE CONNECTED TO THE DIN RAIL BUS CONNECTOR ALONG THE DIN RAIL USING THE OPTIONAL TERMINALS AS SHOWN MODULES MAY INTERCONNECT TO SHARE POWER i XTA Series Series DIN Rail Bus Connector Acromag 1005 063 cHo O cHo CHO CHO 35mm DIN Rail FEMALE 1005 220 O CH1 O cuH1 O cut O cH MALE 1005 221 DC Mo S im O cH2 O cH2 cH2 cH2 DG 1 KE H O cH3 O cH3 O cH3 O cH3 1 m 1d H O CH4 O CH4 O CH4 O CH4 12 LEU O cHs O O cHs SHIPS WITH MODULE Acromag Inc Tel 248 295 0880 7 http www acromag com BusWorks XTA MRNO 6 Six Channel Mechanical Relay Output Module Digital Input Connections The six input channels of this module share return with power and are isolated from each relay output Inputs withstand 0 32VDC and trigger using a 4VDC threshold Refer to the following figures to wire the inputs of this module INPUT CONNECTIONS OF XTA MRNO 6 FROM DIGITAL OUTPUTS OF XT111x AND XT112x tas POWER av gt 8 Lys r RTN 0 BIN 0 7v XT111x 000 SIMPLIFIED I O CHANNEL XTA MRNO2. General purpose plastic enclosure for mounting on 35mm T type DIN rail Dimensions Width 22 5mm 0 9 inches Length 114 5mm 4 51 inches Depth 99 0mm 3 90 inches Refer to Mechanical Dimensions drawing 1 O Connectors Removable plug in type terminal blocks rated for 12A 250V AWG 26 12 stranded or solid copper wire Case Material Self extinguishing polyamide UL94 V O rated color light gray General purpose NEMA Type 1 enclosure Circuit Board Military grade fire retardant epoxy glass per IPC 4101 98 with humi seal conformal coating 13 http www acromag com BusWorks XTA MRNO 6 Enclosure amp Physical Environmental Agency Approvals Reliability Prediction Six Channel Mechanical Relay Output Module DIN Rail Mounting Unit is normally mounted to 35x15mm T type DIN rails Refer to the DIN Rail Mounting amp Removal section for more details Shipping Weight 0 5 pounds 0 22 Kg packed These limits represent the minimum requirements of the applicable standard but this product has typically been tested to comply with higher standards in some cases Operating Temperature 40 C to 80 C 40 F to 176 F Storage Temperature 40 C to 80 C 40 F to 176 F Relative Humidity 5 to 95 non condensing Isolation Output channels are individually isolated for common mode voltages up to 250VAC or 354VDC off DC power ground on a continuous basis will withstand 3000VAC dielect
3. Acromag Inc Tel 248 295 0880 5 http www acromag com BusWorks XTA MRNO 6 Power Connections Six Channel Mechanical Relay Output Module This module is powered from 12 32VDC 36VDC peak by connecting power as indicated in the drawing below This module can be optionally powered or redundantly powered via the DIN rail bus when coupled to the DIN rail bus connector Acromag Model 1005 063 and a bus terminal block Acromag 1005 220 or 1005 221 This optional method can allow several modules to share a single power supply without wiring to each individually IMPORTANT External Fuse If the module is powered from a supply capable of delivering more than 2 5A to the module it is recommended that this current be limited via a high surge tolerant fuse rated for a maximum current of 2 5A or less for example see Bel Fuse MJS or RJS fuse types MODEL XTA MRNO 6 POWER WIRING UNIT IS DC POWERED ONLY AT 12 TO 32V BOTTOM SIDE gt INPUT INPUT DC POWER DIN RAIL SPRING CLIP OPTIONAL OR REDUNDANT DIN RAIL BUSSED POWER XTA MRNO 6 BOTTOM VIEW TOP SIDE TB1 OF TX1 INPUT 7 TB4 NOTE IT IS RECOMMENDED THAT SUPPLIES CAPABLE OF DELIVERING See MORE THAN 2 5A TO THE UNIT BE TBS OOO FUSED WITH A HIGH SURGE TB2 OF TX2 TOLERANT FUSE INPUT DC POWER TBE Sees TERMI
4. 6 SIMPLIFIED I O CHANNEL 1 OF 6 v 0 32VDC 4VDC THRESHOLD 12 32V DIGITAL Inputs NPUT 4 DRIVER i TB1 peaa A r INPUT IS ON FOR ACTIVE SSN 0 ws 100K LOW INPUT SIGNAL JU BUFF bo gt 0 4 DIGITAL RELAY pour omn reay 9 A INPUT OUTPUT T EiT RTN 7 7 RTN 0 IT IS BEST TO APPLY EARTH GROUND AT ONE OF 16 I O CHANNELS EARTH ae RTN 0 RETURN AND CLOSEST TO THE MODULE GROUND ng RETURN TB2 XTA MRNO 6 INPUT PWR BOTTOM VIEW TERMELO e TB1 OF TX1 0000 2z92 6 CHANNELS TB2 OF TX2 000 2268 TB3 OF TX3 O0 EXC EXC SEFE lt 4 EEEE a SK 12 32V Vv Bwv XT112x 000 SIMPLIFIED I O CHANNEL XTA MRNO 6 SIMPLIFIED I O CHANNEL 1 OF 6 RELAY OUTPUT 0 32VDC O OFF 1 ON 4VDC THRESHOLD DIGITAL Inputs INPUT i DRIVER vo TBI RCC WOOF 16 SHIELDED CABLE f P mo 7 oe 9 a DIGITAL RELAY 0 x INPUT_ OUTPUT ro 9 oom ONE OF 16 I O CHANNELS Oe RIN 0 1k HOUND ii 0 RETURN TB2 Earth Ground Connections The module housing is plastic and does not require an earth ground connection If the module is mounted in a metal housing an earth ground wire connection to the metal housing s ground terminal green screw is usually required using suitable wire per applicable codes Circuits wired to the input power should be earth grounded as reflected in the connection diagrams This module shunts transient energy to its ground For this reason earth ground should be applied closest to
5. Connections sssssssssssssssesssssesssesscossssocsssssesssessoossssoossssccssseeesesessossessoosssseesesse 9 BLOCK DIAGRAM wicasicsvacavessvsuavsnscevedtsswensveceveneeswawsuedunexteesinsrsesvesnvssacsuncore LU How It OCS osseo iosines cteenssocunesienalunadiaeeuiab areae oas e RAe a EnO SESSE 10 TROUBLESHOOTING cscsccscsccccscsccscscsccscscsccscscsssscscsssscscsssssscssscsscecs LL DIABNOSEIES E e E E E EE 11 Service amp Repair ASSIStANCE ci eccsiesivscevcvessceeeucevecvceccssectiecevsnesecgeescoecescdveccscastvetsecvetdersssevens 11 DIN Rail BUS Connector Kit ssicscaviccsvseceatecsccacasessnsnssssustvssssedescstsecswmiissbeansesuitessuacinebstiecacssenebins 12 SPECIFICATIONS ssssrscisssssssssasriosossssassseessisssssadoeantea visava dusa orsios sieas ri srs si ke Model NUD Ei scssi onei eona Eea a Ena eass ea aaen aE EEEE Eea SEE 12 Digital MS id srs eases ss chat sda seamanadapwcisnd aeadansancadenianiebanisasasansnassdaasucsaisesessetenaatosindncmas 12 Relay OUR DUES e A T E 13 POWER E E T T E E E T 13 E clos re amp PIYSICAN csicsectacscaiscrcarinentencscensmaniasuassecranpcnracaasweuiareautcebeavescennendanas yr ia a S 13 ER VIP ONIN CICA P E E A E 14 Agency APpprOvalS seriene eeraa a a EE mii OEE EEEE REES 14 Reliability Preqgiction vissisisscssescnscsssssnsccsatendenadiensuusstevdenssecascusiucoieuwaseaveunsvinienieneaicasunensexseucnecs 14 REVISION HISTORY sc iscivecsnsavaccssvaricovans cadsasaanscvarsasaeesouisevanuveveieae
6. ONTO UPPER LIP OF RAIL ROTATE MODULE DOWNWARD TO ENGAGE SPRING CLIP ONTO LOWER LIP OF RAIL A i A SERIES XTA MODULE T Rail SPRING CLIP SCREWDRIVER SLOT FOR REMOVAL FROM T TYPE DIN RAIL USE SCREWDRIVER TO REMOVE MODULE FROM RAIL AS SHOWN ELECTRICAL CONNECTIONS A WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been removed or the area is known to be non hazardous WARNING EXPLOSION HAZARD Substitution of any components may impair suitability for Class I Division 2 WARNING EXPLOSION HAZARD The area must be known to be non hazardous before servicing replacing the unit and before installing Wire terminals can accommodate 14 26 AWG solid or stranded wire I O wiring may be shielded or unshielded type Terminals are pluggable and can be removed from their sockets by prying outward from the top with a flat head screwdriver blade Strip back wire insulation 0 25 inch on each lead and insert the wire ends into the cage clamp connector of the terminal block Use a screwdriver to tighten the screw by turning it in a clockwise direction to secure the wire use 0 5 0 6nM torque Since common mode voltages can exist on I O wiring adequate wire insulation should be used and proper wiring practices followed As a rule I O wires are normally separated from power and network wiring for safety as well as for low noise pickup
7. POWER 12 32V NC 2 TB3 POWER Vv NC 3 DC p e REG z a cl lo C4 Bus power anG 0 t t 5 12 32V ENEI 0 zZ BUS CONN How It Works Key Points of Operation e Inputs and power share common e Relay Contacts are Normally Open SPST e Relays Contacts are individually isolated e Channel LED s reflect energized state Acromag Inc Tel 248 295 0880 TB3 The XTA MRNO 6 is designed as a DIN rail mounted interposing mechanical relay board for driving higher power loads with digital output models of the BusWorks I O line This design utilizes 6 separate buffered relay drivers for controlling 6 normally open mechanical relays Buffered inputs withstand DC voltages up to 32V DC and trigger at 4V thresholds Power for the input circuitry is driven by a wide range 12 32V non isolated buck converter LED s in series with the relay coils indicate the energized closed relay state Output contacts are individually isolated and can switch high voltages up to 250VAC and 30VDC at high currents up to 5A The module includes an integrated bus connector that allows individual modules to snap together along the DIN rail and share a power connection using an optional terminal block The bus power and power terminal connections are diode coupled to the same point in the circuit allowing redundant shared power connection Transient voltage suppressors and bypass capacitors help protect input and power terminals
8. from potentially damaging transient energy 10 http www acromag com BusWorks XTA MRNO 6 TROUBLESHOOTING Diagnostics Table Six Channel Mechanical Relay Output Module Before attempting repair or replacement be sure that all installation procedures have been followed and that the unit is wired properly If the problem still exists after checking power and wiring and reviewing this information or if other evidence points to another problem with the unit an effective and convenient fault diagnosis method is to exchange the questionable unit with a known good unit Acromag s Application Engineers can provide further technical assistance if required Repair services are also available from Acromag POSSIBLE CAUSE POSSIBLE FIX Relays do not energize or channel LEDs do not light Input voltage is below 4V You must drive the inputs above 4VDC to threshold energize the relay Power supply voltage is too Verify that at least 12VDC is being supplied to low the module Internal 7V rail has failed Return module for repair Mechanical relays have a finite contact life and are not intended for applications that require frequent repetitive switching Relays are a wear item and can be replaced at our factory if you suspect that they are worn out Return module for repair Output is intermittent Missing earth ground connection Output contacts chatter DC input logic must cross the 4V threshold to energize the outp
9. the module See the Electrical Connections Drawings for input and power ground connections The ground connections noted are recommended for best results and help protect the unit by giving it a low impedance path to earth for shunting destructive transient energy Avoid inadvertent extra connections to earth ground at points other than those indicated as this could drive ground loops and negatively affect operation Acromag Inc Tel 248 295 0880 8 http www acromag com BusWorks XTA MRNO 6 Relay Output Connections ta3 POWER Der 0 RTN 0 RTN 0 RIND 0 0 32VDC DIGITAL INPUT RETURN 0 TB2 0 RIN 0 e PN 0 EARTH IT IS BEST TO APPLY EARTH GROUND AT GROUND RETURN AND CLOSEST TO THE MODULE RETURN Tas POWER av ve 0 gt REG t gt am 0 RTN 0 RTN 0 Z XTA MRNO 6 SIMPLIFIED I O CHANNEL 1 OF 6 0 32VDC DIGITAL INPUT TB2 A es eure 9 w A 0 PULL DOWN RETURN 0 TB2 0 am 0 8 RTN 0 EARTH L GROUND RETURN Acromag Inc Tel 248 295 0880 299 gt REG Six Channel Mechanical Relay Output Module Each of the 6 mechanical relay output contacts 1 Form A of the XTA MRNO 6 will switch AC or DC loads at up to 250VAC 30VDC and 5A Output relays of this module are energized using a 4V DC input threshold with a 0 32 VDC input range IMPORTANT Output contact protection is required when switching inductive loads see dr
10. Acromag kd THE LEADER IN INDUSTRIAL I O BusWorks XT Series Accessory Model XTA MRNO 6 Interposing Relay Board Six Channel Digital Inputs Six Mechanical Relay Outputs Normally Open USER S MANUAL ACROMAG INCORPORATED Tel 248 295 0880 30765 South Wixom Road Fax 248 624 9234 Wixom MI 48393 7037 U S A email sales acromag com Copyright 2014 Acromag Inc Printed in the USA Data and specifications are subject to change without notice 8500 960E BusWorks XTA MRNO 6 Six Channel Mechanical Relay Output Module Table of Contents Key FOATUM OS i isessudsvcnsseccssussscussus secu ssuoseasecabsescecoasedcesosucstuseneuesionsseusceseseuccevesswsscdessadsscessuasscwsses 3 PP PUN CAR OM na E E A T E 3 Mechanical DIMENSIONS isis covccscissccveussescnsasnacesassaelesuausonciesucaneatensunciiauseudasenauvaxech SEKE K Ss ENEN 4 DIN Rail Mounting and Removal ssssssesssssssssssssossssoesssssesssessoosessoosssscesssesessssssossssscosssssesssse 4 ELECTRICAL CONNECTIONS eeesssssssssssssssssesscssssoscssssosossssosossssossesssosoesee D Power CONNECTIONS cvicecoesccccssevcssscscceccessececoedecueeeccdesevecssevesseteuecsesesdeccaddedavercnstecoeisecossstecuecees 6 Digital Input COMME CHONG cisioicvscssvscvesssarerdanuas cacsaelenucusdeexasucevendcnsasevedus shensssaeuabadsscuendeaaancacien 8 Earth Ground Connections ssssssessssssessssssossesscossseocssssescssesscossssoosssscessseseesssssoesesseosssssesssse 8 Relay Output
11. CONNECTOR l CONNECTOR NORMALLY PROVIDED WITH XT MODULE SPECIFICATIONS Model Number Model XTA MRNO 6 e 6 Input Output Channels e Mechanical output relays switch voltage up to 250VAC and 30VDC up to 5A e DC Powered e CE Approved Digital Inputs Six DC voltage inputs at TB1 amp TB2 share return with power at TB3 withstand up to 32VDC and trigger on 4VDC input thresholds Inputs and power include transient filtering Acromag Inc Tel 248 295 0880 This kit contains one each of the following terminals Order XTBUS KIT DIN Rail Bus Connector 1005 070 for 22 5mm XT Modules Left Side terminal block female connector 1005 220 e Right Side terminal block male connector 1005 221 This module was shipped with the first item included in this kit DIN Rail Bus Connector 1005 070 and this kit offers a spare Left and right side terminal blocks that mate directly to the bus connector are also included in this kit These terminals are used to optionally or redundantly drive power to the modules via their DIN rail bus connectors This allows modules to neatly and conveniently share connections to Power along the DIN rail XTA MRNO 6 Series XTA XT Accessory Model MRNO Relay Output Channels 6 Six Input Output Channels Input Signal Voltage Range 0 to 32VDC 36V peak Input Signal Threshold 4VDC typical w 100mvV hysteresis Input Impedance 10KQ typical input includes 10KQ pull
12. NALS TB3 OF TX3 CODA DC POWER lt m F Z DC SUPPLY 12 32V N i L ________ OPTION Aaaal XTA SERIES 35mm DIN RAIL LEFT O CHO oc h T E O DC 1 eS O CH2 1 a E o 12 a O CH4 O cH5 FEMALE TERMINAL BLOCK ACROMAG 1005 220 LEFT SIDE CONNECTION MALE TERMINAL BLOCK ACROMAG 1005 221 RIGHT SIDE CONNECTION iamm AS SHOWN RIGHT cio be lt ______ E amp E u DC E i FUSE Q Dc suPPLY o 12 32V _ YOU CAN OPTIONALLY OR REDUNDANTLY CONNECT POWER TO THE DIN RAIL BUS CONNECTOR USING OPTIONAL TERMINALS EARTH OR EARTH GROUND HERE HERE GROUND ONE END NOT BOTH IT IS BEST TO APPLY EARTH GROUND CLOSEST TO THE MODULE BUT NEVER AT BOTH ENDS OF THE CONNECTION CAUTION DO NOT EXCEED 36VDC OR DAMAGE TO THE UNIT MAY RESULT _L EARTH GROUND CAUTION DO NOT EXCEED 36VDC OR DAMAGE TO THE UNIT MAY RESULT Ik NOTE IT IS RECOMMENDED THAT SUPPLIES ie el CAPABLE OF DELIVERING MORE THAN 2 5A TO Acromag Inc Tel 248 295 0880 THE BUS BE FUSED WITH A HIGH SURGE TOLERANT FUSE 6 http www acromag com BusWorks XTA MRNO 6 Power Conne
13. OPEN om a a esse COGG METAL OXIDE VARISTOR TB4 OF TX4 EXTITIT lt ajz g cols g Rg eo AC POWERED RELAY LOCATE THE METAL OXIDE VARISTOR LOCAL TO THE AC INDUCTIVE LOAD SSS GOO EE TBS OF TX5 00O 3 als g FEE ep SS 29 TB6 OF TX6 S05 Oo 6 CHANNELS LH yy OUTPUT CONNECTIONS TO DC INDUCTIVE LOADS USE A REVERSE SHUNT DIODE ACROSS DC INDUCTIVE LOADS TO SUPPRESS REVERSE EMF AND EXTEND CONTACT LIFE YOUR DC APPLICATION VOLTAGE AND CURRENT MUST NOT XTA MRNO 6 OUTPUT CONTACTS EXCEED 30VDC AND 5A FOR GENERAL USE RELAY OUTPUT Di TB4 TB5 TBS mO a aA TYPICAL DIN RAIL MOUNTED RELAY SOCKET mie A R98 18 RSB A e mB TO Tooc aa 1S or RLYB ROB 2i 29 E ISOLATED GONTACTS 123v V pon E Yo o PIN _ BO o E CONTACTS DC RELAY A OO DIGITAL RELAY POWER TAN INPUT OUTPUT aig gt lt FOR CONTACT PROTECTION LOCATE RELAY NEAR LOAD DC POWERED RELAY LOCATE THE SHUNT DIODE LOCAL TO THE DC INDUCTIVE LOAD NOTE THE CATHODE OF THE DIODE POINTS TO THE POSITIVE SIDE OF THE INDUCTIVE LOAD DIODE RECTIFIER http www acromag com BusWorks X
14. TA MRNO 6 Six Channel Mechanical Relay Output Module TECHNICAL REFERENCE BLOCK DIAGRAM XTA MRNO 6 SIMPLIFIED SCHEMATIC XTA MRNO 6 SIMPLIFIED I O CHANNEL 1 OF 6 TB4 TBS TB6 aia 13 Raa 17 Rsa 1 0 32VDC RIB 14 R38 18 RSB 22 4VDC THRESHOLD roa 16 nza 9 naa G9 DIGITAL ROB 16 R2B 20 RAB 4 INPUTS INPUT DRIVER MBI oe O ins 0 a A O 4 DIGITAL RELAY 0 A INPUT OUTPUT XTA MRNO 6 d 4 32V DC_ 1 CLOSED XTA MRNO 6 BOTTOM VIEW Wet 0 4V DC 0 OPEN TOP VIEW OUTPUT NPM TERMINALS RELAY O TB1 OF TX1 e OUTPUT SSS 1B4 OF TX4 0000 bd BOA O Ssg e 2 38 3 222 2 E cif c jt 6 CHANNELS RLY i TB2 OF TX2 pe SSS TB5 OF TXS O00 TES COBO OB OO s9ZzZ XTA MRNO 6 SIMPLIFIED I O CHANNEL 1 OF 6 8 sgg _ co TB3 OF TX3 SSSS TB6 oF TX6 oE 99 oe g 3S SEEE EE DIGITAL i a TB2 ___ INPUT ee DRIVER LATED CONTACTS I I H Tvs 100K I CHOI INPUTS N 0 I I L I TB2 lin mol DIGITAL RELAY I aeu eo AN 0 sx INPUT OUTPUT J K m2 FN 0 PULL DOWN 4 32V DC_ 1 CLOSED ape an 0 4VDC 0 OPEN a NC 1 LOCAL
15. awing below DC inductive loads should have a diode placed across the load terminals with the cathode at the positive load terminal as shown AC inductive loads require a bipolar protection scheme and should use a Metal Oxide Varistor across the load terminals These devices will shunt the high reverse emf voltages that develop across the inductive load when power to the load is switched off thus preventing this potentially destructive transient voltage from being conducted across the connection media and helping to extend the life of the XTA MRNO 6 output contacts OUTPUT CONNECTIONS TO AC INDUCTIVE LOADS USE A METAL OXIDE VARISTOR ACROSS AC INDUCTIVE LOADS TO SUPPRESS TRANSIENTS AND EXTEND CONTACT LIFE YOUR AC APPLICATION VOLTAGE AND CURRENT MUST NOT XTA MRNO 6 OUTPUT CONTACTS EXCEED 250VAC AND 5A FOR GENERAL USE RELAY OUTPUT TB4 TB5 TBE TYPICAL DIN RAIL MOUNTED RELAY SOCKET RIA RSA RSA RIB ae CONTACTS LOCATE RELAY NEAR LOAD og og a ROB R28 0 RAB 4 AC RELAY POWER ISOLATED CONTACTS DIGITAL RELAY INPUT OUTPUT 4 32v DC DC 1 CLOSED CLOSED Hh XTA MRNO 6 TOP VIEW sn CP Sele 6 one 7 OUTPUT TERMINALS PROTECTION O
16. ctions Six Channel Mechanical Relay Output Module Power is normally connected to the TB3 power terminals of the module as shown on the previous page However this module is equipped to be optionally powered via its DIN rail bus connector provided Acromag 1005 063 when mated to an optional plug in terminal block Acromag 1005 220 or 1005 221 Power input via the bus connector terminal is diode coupled to the same point as power connected at TB4 power Multiple modules may be powered by snapping them together along the DIN rail bus then using the mating terminal block shown at left select a Left or Right side connector While the intent of the bus power connector is to allow several modules to conveniently share a single supply the bus power connector may also be used to redundantly power modules allowing a backup supply to maintain power to the module s should the main supply at TB3 fail This module comes equipped with the bus connector 1005 063 shown below This connector allows modules to snap together side by side along the DIN rail and share these connections To complete connection to power an optional bus terminal block is needed Acromag 1005 220 for left side or 1005 221 for right side connections Refer to the figure on the previous page which shows how to wire power to the optional bus connector using these connectors XTA MODEL OPTIONAL BUS POWER WIRING
17. down to return Input Response Time See Output Response Time Input Over Voltage Protection Bipolar transient voltage suppression TVS diodes and capacitive filtering 0 1uF is included at every input TVS diodes are rated for a working voltage up to 38VDC a breakdown voltage of 72VDC and a clamping voltage of 100VDC Input Current 3 2 mA at 32VDC typical Inputs include 10KQ pull downs to return 12 http www acromag com BusWorks XTA MRNO 6 Relay Outputs Six normally open isolated SPST mechanical relay contacts at TB4 TBS and TB6 are rated for loads up to 250VAC 30VDC and 5A Power Non isolated 12 32V DC power at TB3 0 9W power shares return connection with inputs CAUTION Terminal voltage at or above 12V minimum must be maintained to the unit during operation Do not exceed 36VDC peak to avoid damage to the module Enclosure amp Physical Acromag Inc Tel 248 295 0880 Six Channel Mechanical Relay Output Module Relay Manufacturer Part Number FTR MYAAO05D Contact Type Form A Six Channels plastic sealed contacts Contact Material Gold overlay silver Nickel alloy Au Ag 90 Ni 10 Max Switching Voltage Up to 277 VAC or 125 VDC maximum Max Switching Current 5A maximum Min Load 1mA 5VDC Max Switching Power Up to 1 250VA or 150W maximum Contact Resistance 1000mQ at 500VDC minimum initial contact resistance Dielectric Strength 750VAC 50 60Hz for 1 minute between open co
18. les or other digital output modules for the purpose of driving high energy loads This module serves as an interim digital interface for driving high voltage up to 250VAC 30VDC loads at high currents up to 5A using digital logic OV OFF 4 32V ON Each pair of output contacts are individually isolated e CE Approved UL cUL Class I Division 2 Approved e High Density 22 5mm wide package with pluggable front facing terminals e Designed and Manufactured with High Quality High Reliability with AS9100 Aerospace Quality ISO9001 e Six channels of buffered digital inputs withstand DC logic voltages up to 32VDC and trigger on 4V thresholds e Six individually isolated sealed Normally Open Form A mechanical relay contacts SPST NO e Outputs switch both AC and DC voltage loads up to 250VAC and 30VDC at currents up to 5A e High 1500VAC isolation e Inputs include 10KQ pull downs to Return e Input and Power terminals are transient protected e Wide range power input from 12 32VDC e Bus power ready for clean wiring along the DIN rail and or redundant power e Wide ambient temperature operation from 40 C to 80 C e Hardened for harsh environments Tested for reliable operation in harsh industrial environments Includes protection from RFI EMI ESD EFT and surges in addition to low radiated emissions per CE requirements The XTA MRNO 6 is designed as an interposing interface for safely driving high voltage curre
19. m the DIN rail Mounting A spring loaded DIN clip is located on the input side bottom The rounded edge of the output side bottom allows the module to tilt upward so that it may be lifted from the rail when prying the spring clip back with a screwdriver To attach a module to T type DIN rail angle the top of the module towards the rail and place the top groove of the module over the upper lip of the DIN rail Firmly push the module downward towards the rail until it snaps into place Removal To remove a module from the DIN rail first separate the input terminal blocks from the bottom side of the module to create a clearance to the DIN mounting area A screwdriver can be used to pry the pluggable terminals out of their sockets While holding the module in place from above insert a screwdriver into the lower path of the bottom of the module to the DIN rail clip and use it as a lever to force the DIN rail spring clip down while pulling the bottom of the module outward until it disengages from the rail Tilt the module upward to lift it from the rail http www acromag com BusWorks XTA MRNO 6 Six Channel Mechanical Relay Output Module SERIES XTA MODULE DIN RAIL MOUNTING AND REMOVAL OUTPUT SIDE TOP O G Q A XTA Series 35mm DIN Rail O CHo O cH1 O cH2 C O C w O CH4 CH5 oooo BOTTOM INPUT SIDE LU TILT MODULE UPWARD TOWARDS RAIL AND HOOK
20. nmmesoriaven Lo All trademarks are the property of their respective owners IMPORTANT SAFETY CONSIDERATIONS You must consider the possible negative effects of power wiring component sensor or software failure in the design of any type of control or monitoring system This is very important where property loss or human life is involved It is important that you perform satisfactory overall system design and it is agreed between you and Acromag that this is your responsibility The information of this manual may change without notice Acromag makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Further Acromag assumes no responsibility for any errors that may appear in this manual and makes no commitment to update or keep current the information contained in this manual No part of this manual may be copied or reproduced in any form without the prior written consent of Acromag Inc Acromag Inc Tel 248 295 0880 2 http www acromag com BusWorks XTA MRNO 6 GETTING STARTED DESCRIPTION Symbols on equipment A Means Refer to User s Manual this manual for additional information Key Features Application Six Channel Mechanical Relay Output Module The XTA MRNO 6 is a six channel digital input board with six normally open isolated mechanical relay outputs for use with BusWorks XT Series DIO modu
21. nt AC and DC loads with BusWorks DIN rail mounted digital output modules or other digital output devices This module has six digital input channels each controlling an isolated SPST normally open mechanical relay contact pair It is designed for high density mounting on 35mm T type DIN rail Modules may be mounted side by side on 22 5mm centers and optionally connect together in modular fashion with shared power along the DIN rail Acromag Inc Tel 248 295 0880 3 http www acromag com BusWorks XTA MRNO 6 Mechanical Dimensions Modules may be mounted to 35mm T type DIN rail 35mm type EN50022 and side by side on 22 5mm 0 9 inch centers WARNING IEC Safety Standards may require that this device be mounted within an approved metal enclosure or sub system particularly for applications with exposure to voltages greater than or equal to 75VDC or 50VAC Six Channel Mechanical Relay Output Module t 99 0 Lal 22 5 lt 3 90 0 89 6 S _ S_aq ry a 14 5 lt gt asas 4 51 H P S I I DIMENSIONS ARE IN MILLIMETERS INCHES DIN Rail Mounting and Removal Acromag Inc Tel 248 295 0880 4 Refer to the following figure for mounting and removing a module fro
22. ntacts 3000VAC 50 60Hz for 1 minute from contacts to input coil Mechanical Life 20x10 operations minimum External contact protection is required for use with inductive loads Electrical Life 100x10 operations minimum at 3A amp 250VAC 30VDC resistive 50x10 operations minimum at 5A amp 250VAC 30V DC resistive w switching frequency at 20 times minute Note It is not recommended to switch mechanical relay contacts at high frequencies for long periods of time as this will quickly degrade the life of the relay Output Response Time 5 25ms typical 10ms maximum no bounce measured from input trigger to corresponding output contact closure Note External relay contact protection is required for use with inductive loads see Output Connections Failure to use adequate protection may reduce contact life or damage the unit Power Supply Connect at TB3 9 10 and or via Optional DIN Rail Bus Terminal 12 32V DC SELV Safety Extra Low Voltage 0 9W Observe proper polarity Module can be optionally or redundantly powered by connecting power to the DIN rail bus connector the power terminals and the DIN rail bus connections are diode coupled to the same point in the circuit Current draw varies with power voltage as follows current indicated below is with all six relays energized Power Supply Voltage XTA MRNO 6 Current 62mA Typical 68mA Max 50mA Typical 55mA Max 32mA Typical 35mA Max 25mA Typical 27mMA Max
23. ric strength test for one minute without breakdown Complies with test requirements of ANSI ISA 82 01 1988 for the voltage rating specified Installation Category Suitable for installation in a Pollution Degree 2 environment with an Installation Category Over voltage Category Il rating per IEC 1010 1 1990 Shock amp Vibration Immunity Conforms to IEC 60068 2 6 10 500 Hz 4G 2 Hours axis for sinusoidal vibration IEC 60068 2 64 10 500 Hz 4G rms 2 Hours axis for random vibration and IEC 60068 2 27 25G 11ms half sine 18 shocks at 6 orientations for mechanical shock Electromagnetic Compatibility EMC Immunity per BS EN 61000 6 1 1 Electrostatic Discharge Immunity ESD per IEC 61000 4 2 2 Radiated Field Immunity RFI per IEC 61000 4 3 3 Electrical Fast Transient Immunity EFT per IEC 61000 4 4 4 Surge Immunity per IEC 61000 4 5 5 Conducted RF Immunity CRFI per IEC 61000 4 6 Emissions per BS EN 61000 6 3 1 Enclosure Port per CISPR 16 2 Low Voltage AC Mains Port per CISPR 14 16 3 DC Power Port per CISPR 16 Note This is a Class B product Electromagnetic Compatibility EMC CE marked per EMC Directive 2004 108 EC Consult factory Safety Approvals UL Listed USA amp Canada Hazardous Locations Class Division 2 Groups A B C D Hazardous Location or Nonhazardous Locations only These devices are open type devices that are to be installed in an enclosure suitable for the en
24. ut Inputs have about 100mV of hysteresis but high input ripple or an input Input signal is noisy too low that hovers near the 4V threshold could cause or too near the 4V threshold the relay contacts to chatter on off Likewise a missing earth ground connection at the return terminal could be driving noise on the input that affects output chatter Relays have worn out Connect earth ground to Return terminal Service amp Repair Assistance This module contains solid state components and requires no maintenance except for periodic cleaning The Surface Mounted Technology SMT board contained within this enclosure is difficult to repair It is highly recommended that a non functioning module be returned to Acromag for repair or replacement Acromag has automated test equipment that thoroughly checks and verifies the performance of each module Please refer to Acromag s Service Policy and Warranty Bulletins on our web site or contact Acromag for complete details on how to obtain repair or replacement Acromag Inc Tel 248 295 0880 11 http www acromag com BusWorks XTA MRNO 6 ACCESSORIES Six Channel Mechanical Relay Output Module DIN Rail Bus Connector Kit DIN RAIL BUS CONNECTOR 1005 070 FEMALE 1005 220 MALE 1005 221 I E E a 12 a I E 1D 10 E E a LEFT SIDE RIGHT SIDE
25. vironment Consult Factory MTBF Mean Time Between Failure MTBF in hours using MIL HDBK 217F FN2 Per MIL HDBK 217 Ground Benign Controlled GgGc MTBF Hours MTBF Years Failure Rate FIT 25 C 931 489 106 3 1 074 40 C 694 011 79 2 1 441 Acromag Inc Tel 248 295 0880 14 http www acromag com BusWorks XTA MRNO 6 Revision History Six Channel Mechanical Relay Output Module The following table details the revision history for this document Release Date 21 FEB 13 Version EGR DOC TPH KLK Description of Revision Initial Acromag release 22 JULY 13 CAP ARP Added CE Mark to this model removed pending Also refer to ECN 13G015 for additional information 22 NOV 2013 JMO KLK e Page 2 Table of Contents was missing troubleshooting section e Page 6 Power Connections revised e Page 7 Power Connections revised e Page 13 Relay Outputs Added relay manufacturer part number e Page 14 Reliability Prediction MTBF FIT was TBD 21 FEB 2014 CAP ARP Added cULus Mark to this model removed pending 21 JUL 2014 Acromag Inc Tel 248 295 0880 CAP ARP Added UL caution symbols statements 15 http www acromag com
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