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Manual

WAGO-I/O-SYSTEM 750

750-538

2DO RELAY Ex i

2-Channel Relay Output Module, 100 VAC, 30 VDC,

Ex i, isolated outputs, 2 changeover contacts

Version 1.4.1

Содержание 750-538

Страница 1: ...Manual WAGO I O SYSTEM 750 750 538 2DO RELAY Ex i 2 Channel Relay Output Module 100 VAC 30 VDC Ex i isolated outputs 2 changeover contacts Version 1 4 1 ...

Страница 2: ...E Mail support wago com Every conceivable measure has been taken to ensure the accuracy and completeness of this documentation However as errors can never be fully excluded we always appreciate any information or suggestions for improving the documentation E Mail documentation wago com We wish to point out that the software and hardware terms as well as the trademarks of companies used and or ment...

Страница 3: ...y Advice Precautions 12 3 Device Description 15 3 1 View 17 3 2 Connectors 18 3 2 1 Data Contacts Local Bus 18 3 2 2 Power Jumper Contacts Field Supply 19 3 2 3 CAGE CLAMP Connectors 20 3 3 Display Elements 21 3 4 Operating Elements 22 3 5 Schematic Diagram 22 3 6 Technical Data 23 3 6 1 Device Data 23 3 6 2 Power Supply 23 3 6 3 Communication 23 3 6 4 Outputs 24 3 6 5 Explosion Protection 24 3 6 ...

Страница 4: ... for Contacts of Relay Modules 43 7 Use in Hazardous Environments 45 7 1 Marking Configuration Examples 46 7 1 1 Marking for Europe According to ATEX and IECEx 46 7 1 2 Marking for the United States of America NEC and Canada CEC 50 7 2 Installation Regulations 53 7 2 1 Special Notes including Explosion Protection 53 7 2 2 Special Notes Regarding ANSI ISA Ex 55 7 2 3 Control Drawing 56 List of Figu...

Страница 5: ...d in the manual for the used fieldbus coupler or controller Consider power layout of the WAGO I O SYSTEM 750 In addition to these operating instructions you will also need the manual for the used fieldbus coupler or controller which can be downloaded at www wago com There you can obtain important information including information on electrical isolation system power and supply specifications 1 2 C...

Страница 6: ...moderate risk potentially hazardous situation which if not avoided could result in death or serious injury Personal Injury Indicates a low risk potentially hazardous situation which if not avoided may result in minor or moderate injury Damage to Property Indicates a potentially hazardous situation which if not avoided may result in damage to property Damage to Property Caused by Electrostatic Disc...

Страница 7: ...YSTEM 750 Notes about this Documentation 7 750 538 2DO RELAY Ex i Manual Version 1 4 1 Additional Information Refers to additional information which is not an integral part of this documentation e g the Internet ...

Страница 8: ...s are marked in italic type e g C Program Files WAGO Software Menu Menu items are marked in bold letters e g Save A greater than sign between two names means the selection of a menu item from a menu e g File New Input Designation of input or optional fields are marked in bold letters e g Start of measurement range Value Input or selective values are marked in inverted commas e g Enter the value 4 ...

Страница 9: ...es to the coupler or controller should always be carried out by qualified personnel with sufficient skills in PLC programming 2 1 3 Use of the 750 Series in Compliance with Underlying Provisions Fieldbus couplers controllers and I O modules found in the modular WAGO I O SYSTEM 750 receive digital and analog signals from sensors and transmit them to actuators or higher level control systems Using c...

Страница 10: ...dules contain no parts that can be serviced or repaired by the user The following actions will result in the exclusion of liability on the part of WAGO Kontakttechnik GmbH Co KG Repairs Changes to the hardware or software that are not described in the operating instructions Improper use of the components Further details are given in the contractual agreements Please send your request for modified ...

Страница 11: ...t sent to your local collection point Improper disposal of electrical and electronic equipment can be harmful to the environment and human health 2 1 4 1 2 Packaging Packaging contains materials that can be reused PPWD 94 62 EU and 2004 12 EU packaging guidelines apply throughout Europe Directives and laws may vary nationally Environmentally friendly disposal of the packaging protects the environm...

Страница 12: ...t contact Prevent fire from spreading outside of the enclosure Offer adequate protection against UV irradiation Guarantee mechanical stability Restrict access to authorized personnel and may only be opened with tools Ensure disconnect and overcurrent protection The device is intended for installation in automation technology systems Disconnect protection is not integrated Connected systems must be...

Страница 13: ...eping and insulating properties such as aerosols silicones and triglycerides found in some hand creams If you cannot exclude that such materials will appear in the component environment then install the components in an enclosure being resistant to the above mentioned materials Clean tools and materials are imperative for handling devices modules Clean only with permitted materials Clean housing a...

Страница 14: ...ces are equipped with electronic components that may be destroyed by electrostatic discharge when touched Please observe the safety precautions against electrostatic discharge per DIN EN 61340 5 1 3 When handling the devices please ensure that environmental factors personnel work space and packaging are properly grounded ...

Страница 15: ...inductive loads must be dampened with an effective protection circuit Examples of protection circuits can be seen in the section Protective Circuits for Contacts of Relay Modules The I O module incorporates 2 change over relays connected potential free This means on the field side only the connections of the relay contacts are present Therefore both relays can be operated with different voltages B...

Страница 16: ... configuration of the I O module is possible within an intrinsically safe segment when configuring the fieldbus node An arrangement in groups within the group of potentials is not necessary The I O module 750 538 can be used with all fieldbus couplers controllers of the WAGO I O SYSTEM 750 ...

Страница 17: ... View Pos Description Details See Section 1 Marking possibility with Mini WSB 2 Status LEDs Device Description Display Elements 3 Data contacts Device Description Connectors 4 CAGE CLAMP connectors Device Description Connectors 5 Power jumper contacts Device Description Connectors 6 Release tab Mounting Inserting and Removing Devices ...

Страница 18: ...ailable as self cleaning gold spring contacts Figure 2 Data Contacts Do not place the I O modules on the gold spring contacts Do not place the I O modules on the gold spring contacts in order to avoid soiling or scratching Pay attention to potential equalization from the environment The devices are equipped with electronic components that may be destroyed by electrostatic discharge When handling t...

Страница 19: ...d as blade contacts and those on the right side as spring contacts Figure 3 Power Jumper Contacts Table 4 Legend for Figure Power Jumper Contacts Contact Type Function 1 Spring contact Potential transmission Uv for field supply 2 Spring contact Potential transmission 0 V for field supply 3 Blade contact Potential feed in 0 V for field supply 4 Blade contact Potential feed in Uv for field supply Do...

Страница 20: ...AGE CLAMP Connectors Figure 4 CAGE CLAMP Connectors Table 5 Legend for Figure CAGE CLAMP Connectors Channel Designation Connector Function 1 DO 1 1 Output DO 1 CO NO 14 L1 2 DO 1 Common 11 DO 1 3 Output DO 1 CO NC 12 2 DO 2 5 Output DO 2 CO NO 24 L2 6 DO 2 Common 21 DO 2 7 Output DO 2 CO NC 22 ...

Страница 21: ...Table 6 Legend for Figure Display Elements Chann el Designation LED State Function 1 Status of relay 1 DO 1 A off NO contact DO 1 open NC contact DO 1 closed gree n NO contact DO 1 closed NC contact DO 1 open 2 Status of relay 2 DO 2 E off NO contact DO 2 open NC contact DO 2 closed gree n NO contact DO 2 closed NC contact DO 2 open ...

Страница 22: ...ription WAGO I O SYSTEM 750 750 538 2DO RELAY Ex i Manual Version 1 4 1 3 4 Operating Elements The I O module 750 538 has no operating elements 3 5 Schematic Diagram only one channel shown Figure 6 Schematic Diagram ...

Страница 23: ...ply System supply 5 VDC via local bus Field supply 24 VDC via power jumper contacts Current consumption system supply typ 5 VDC 26 mA Current consumption field supply typ 24 VDC 24 mA Voltage via power jumper contacts 24 VDC via Ex i supply module Uo max 27 3 V Current via power jumper contacts max 1 A Power consumption Pmax 0 8 W Power loss PV 0 8 W Potential isolation UM AC 250 V system supply 3...

Страница 24: ...witching operations 1 ADC 30 VDC Acc to EN 60079 11 switching voltage and switching current are limited depending on the equipment group I IIA IIB IIC 3 6 5 Explosion Protection Table 11 Technical Data Explosion Protection Voltage supply via power jumper contacts LK1 LK2 Ui 27 3 V Pmax 0 8 W Interface circuit local bus Un 5 V Um 253 V Safety relevant data of the electric circuit Ui 100 VAC 30 VDC ...

Страница 25: ...that additional measures for components are taken which are used in an environment involving dust caustic vapors or gases ionizing radiation Ensure that the permissible temperature range of the connecting cable is correct dimensioned depending on the installation position and current intensity because the clamping point temperature at 10 A can be up to 25 C above the expected surrounding air tempe...

Страница 26: ...ltage 100 VAC Overvoltage category II Pollution degree 2 Field Output Secondary working voltage 34 VAC Overvoltage category II Pollution degree 2 Basic insulation per EN 61010 2 201 Field Output Secondary working voltage 100 VAC Overvoltage category II Pollution degree 2 Per EN 61010 2 201 this basic insulation is sufficient to separate an ELV circuit from a dangerous secondary voltage The ELV cir...

Страница 27: ... 1 G Ex ec ia Ga IIC T4 Gc II 3 1 D Ex tc ia Da IIIC T135 C Dc IECEx TUN 12 0039 X Ex d ia Ma I Mb Ex ec ia Ga IIC T4 Gc Ex tc ia Da IIIC T135 C Dc TÜV 14 1911 X Ex d ia Ma I Mb Ex nA ia Ga IIC T4 Gc Ex tc ia Da IIIC T135 C Dc UL E480271 for Use in Zone Classified Hazardous Locations Cl I Zn 2 AEx nA ia Ga IIC T4 Gc Cl I Zn 2 AEx nA ia IIIC IIC T4 Gc Ex nA ia Ga IIC T4 Gc X Ex nA ia IIIC IIC T4 Gc...

Страница 28: ... 1 4 1 GL Germanischer Lloyd Cat A B C D EMC 1 More information about approvals Detailed references to the approvals are listed in the document Overview Approvals WAGO I O SYSTEM 750 which you can find via the internet under www wago com DOWNLOADS Documentation System Description ...

Страница 29: ...y enclosure t Explosive atmospheres IEC 60079 0 General requirements Explosive atmosphere IEC 60079 7 Equipment protection by increased safety e Explosive atmospheres IEC 60079 11 Equipment protection by intrinsic safety i Explosive atmospheres IEC 60079 26 Equipment with equipment protection level EPL Ga Explosive atmospheres IEC 60079 31 Equipment dust ignition protection by enclosure t Explosiv...

Страница 30: ...rt 2 201 Particular requirements for control equipment IEC 61010 2 201 American National Standard ANSI ISA 12 12 01 for Nonincendive Electrical Equipment for Use in Class I and II Division 2 and Class III Division 1 and 2 Hazardous Classified Location EU EMC Directive 2014 30 EU EMC CE Immunity to interference EN 61000 6 2 and to EN 61131 2 EMC CE Emission of interference EN 61000 6 3 A1 and IEC 6...

Страница 31: ...50 Process Image 31 750 538 2DO RELAY Ex i Manual Version 1 4 1 4 Process Image Table 17 Output Bits Bit 1 Bit 0 DO 2 DO 1 DO 1 Signal state DO 1 digital output channel 1 DO 2 Signal state DO 2 digital output channel 2 ...

Страница 32: ...power jumper contacts Do not touch the contacts Avoid contaminating the contacts Do not place the I O modules on the gold spring contacts Do not place the I O modules on the gold spring contacts in order to avoid soiling or scratching Pay attention to potential equalization from the environment The devices are equipped with electronic components that may be destroyed by electrostatic discharge Whe...

Страница 33: ...or some I O modules the grooves are closed on the top Therefore I O modules featuring a power jumper contact on the left side cannot be snapped from the top This mechanical coding helps to avoid configuration errors which may destroy the I O modules Therefore insert I O modules only from the right and from the top Requirements for Clearances and Creepage Distances For all sections of a node that c...

Страница 34: ...e groove and spring are connected to the preceding and following components Figure 7 Inserting I O Module Example 2 Press the I O module into the assembly until the I O module snaps into the carrier rail Figure 8 Snap the I O Module into Place Example 3 Check that the I O module is seated securely on the carrier rail and in the assembly The I O module must not be inserted crooked or askew ...

Страница 35: ...ts and power contacts if any to the head station or to the preceding and if applicable following I O module are established 5 2 2 Removing the I O Module 1 Remove the I O module from the assembly by pulling the release tab Figure 9 Removing the I O Module Example Electrical connections for data or power jumper contacts are disconnected when removing the I O module ...

Страница 36: ... CLAMP Do not connect more than one conductor at one single connection If more than one conductor must be routed to one connection these must be connected in an up circuit wiring assembly for example using WAGO feed through terminals 1 For opening the CAGE CLAMP insert the actuating tool into the opening above the connection 2 Insert the conductor into the corresponding connection opening 3 For cl...

Страница 37: ...e 750 600 no distance modules are required Do not exceed maximum current via power contacts The maximum current available from the Supply Module Ex i 750 606 or 750 625 000 001 is 1 A When configuring the system ensure that this current is not exceeded If exceeded an additional potential feed module must be used Keep the air and creep distances between intrinsically safe segments The maximum curre...

Страница 38: ...es via the power contacts designed as spring contacts Figure 11 Supply Principle Ex i Table 18 Legend for Figure Ex i Power Supply Concept No Explanation 1 Fieldbus coupler controller 2 Ex i supply module 750 606 750 625 000 001 3 Ex i I O modules 4 End module US System supply 24 VDC UF1 Field supply 24 VDC UF2 Field supply 2 24 VDC 750 606 with electronic fuse and diagnostics 750 625 000 001 with...

Страница 39: ...controller 2 Filter module if required 3 Ex i supply module 4 Ex i I O modules 5 End module Overvoltage categories and rated surge voltage see EN 61010 2 201 6 2 1 Power Supply Concept for Marine Applications in Ex i Use the appropriate filter module in marine applications Power to the Ex i supply module is supplied via the appropriate filter module when using Ex i I O modules in marine applicatio...

Страница 40: ...e 24 VDC HI 750 626 020 000 or Filter module 24 VDC HI T 750 626 025 001 3 Supply module 24 VDC 750 602 or Supply module 24 VDC with fuse 750 601 or Supply module 24 VDC with fuse and diagnostics 750 610 4 Filter module 24 VDC HI GF 750 624 020 002 or Filter module 24 VDC HI 750 624 020 000 5 Supply module 24 VDC Ex i with diagnostics 750 606 or Supply module 24 VDC Ex i 750 625 000 001 6 Ex I I O...

Страница 41: ... HI GF 750 626 020 002 or Filter module 24 VDC HI 750 626 020 000 or Filter module 24 VDC HI Temperature 750 626 025 001 3 Filter module 24 VDC HI GF 750 626 020 002 or Filter module 24 VDC HI 750 626 020 000 or Filter module 24 VDC HI T 750 626 025 001 4 Supply module 24 VDC Ex i with diagnostics 750 606 or Supply module 24 VDC Ex i 750 625 000 001 5 Ex I I O modules 6 End Module Table 23 Explana...

Страница 42: ...50 750 538 2DO RELAY Ex i Manual Version 1 4 1 6 3 Connection Example The following figure shows an example with 2 intrinsically safe devices connected to the channels 1 and 2 Figure 15 Connection Example With 2 Intrinsically Safe Devices ...

Страница 43: ...l in practice Table 24 Protective Circuits for Contacts of Relay Modules Protective Circuits Additional Off Delay Defined Induction Voltage Limitation Bipolar Effective Attenuation Advantages and Disadvantages Figure 16 Diode long yes UD no Advantages easy implementation cost effective and reliable uncritical dimensioning low induction voltages Disadvantages attenuation only via load resistor long...

Страница 44: ...rotective Circuits Additional Off Delay Defined Induction Voltage Limitation Bipolar Effective Attenuation Advantages and Disadvantages Figure 20 R C Combination medium to short no yes Advantages HF attenuation via power storage suitable for AC voltage level independent attenuation Disadvantages exact dimensioning required high inrush current ...

Страница 45: ...reas and shall be used in accordance with the marking and installation regulations The following sections include both the general identification of components devices and the installation regulations to be observed The individual subsections of the Installation Regulations section must be taken into account if the I O module has the required approval or is subject to the range of application of t...

Страница 46: ...0 750 538 2DO RELAY Ex i Manual Version 1 4 1 7 1 Marking Configuration Examples 7 1 1 Marking for Europe According to ATEX and IECEx Figure 21 Marking Example According to ATEX and IECEx Figure 22 Text Detail Marking Example According to ATEX and IECEx ...

Страница 47: ...roup of dust T135 C Max surface temperature of the enclosure without a dust layer Dc Equipment protection level EPL Mining I Equipment group Mining M2 Category High level of protection Ex Explosion protection mark d Type of protection Flameproof enclosure I Explosion group for electrical equipment for mines susceptible to firedamp Mb Equipment protection level EPL Gases II Equipment group All exce...

Страница 48: ...O I O SYSTEM 750 750 538 2DO RELAY Ex i Manual Version 1 4 1 Figure 23 Marking Example for Approved Ex i I O Module According to ATEX and IECEx Figure 24 Text Detail Marking Example for Approved Ex i I O Module According to ATEX and IECEx ...

Страница 49: ...c Equipment protection level EPL Mining I Equipment Group Mining M2 M1 Category High level of protection with electrical circuits which present a very high level of protection Ex Explosion protection mark d Type of protection Flameproof enclosure ia Ma Type of protection and equipment protection level EPL Associated apparatus with intrinsic safety electrical circuits I Explosion group for electric...

Страница 50: ...rica NEC and Canada CEC Figure 25 Marking Example According to NEC Figure 26 Text Detail Marking Example According to NEC 500 Table 27 Description of Marking Example According to NEC 500 Marking Description CL I Explosion protection gas group DIV 2 Area of application Grp A B C D Explosion group gas group op temp code T4 Temperature class ...

Страница 51: ...n level EPL Associated apparatus with intrinsic safety circuits for use in Zone 20 IIC Group T4 Temperature class Gc Equipment protection level EPL Figure 28 Text Detail Marking Example for Approved Ex i I O Module According to NEC 506 Table 29 Description of Marking Example for Approved Ex i I O Modules According to NEC 506 Marking Description CI I Explosion protection group Zn 2 Area of applicat...

Страница 52: ...of protection ia IIIC Type of protection and equipment protection level EPL Associated apparatus with intrinsic safety circuits for use in Zone 20 IIC Group T4 Temperature class Gc Equipment protection level EPL X Symbol used to denote specific conditions of use Gases Ex Explosion protection mark nA Type of protection ia Ga Type of protection and equipment protection level EPL Associated apparatus...

Страница 53: ...lacing components The product is an open system As such the product must only be installed in appropriate enclosures or electrical operation rooms to which the following applies Can only be opened using a tool or key Inside pollution degree 1 or 2 In operation internal air temperature within the range of 0 C Ta 55 C or 20 C Ta 60 C for components with extension number 025 xxx or 40 C Ta 70 C for c...

Страница 54: ... Operating DIP switches coding switches or potentiometers Replacing fuses Wiring connecting or disconnecting of non intrinsically safe circuits is only permitted in the following cases The circuit is disconnected from the power supply The area is known to be non hazardous Outside the device suitable measures must be taken so that the rated voltage is not exceeded by more than 40 due to transient f...

Страница 55: ...works or telecommunication cables WARNING The radio receiver module 750 642 may only be used to connect to external antenna 758 910 WARNING Product components with fuses must not be fitted into circuits subject to overloads These include e g motor circuits WARNING When installing I O module 750 538 Control Drawing No 750538 in the manual must be strictly observed Additional Information Proof of ce...

Страница 56: ...56 Use in Hazardous Environments WAGO I O SYSTEM 750 750 538 2DO RELAY Ex i Manual Version 1 4 1 7 2 3 Control Drawing Figure 30 Control Drawing No 750538 ...

Страница 57: ... 2 41 Figure 15 Connection Example With 2 Intrinsically Safe Devices 42 Figure 16 Diode 43 Figure 17 Zener Diode and Diode 43 Figure 18 Suppressor Diode 43 Figure 19 Varistor 43 Figure 20 R C Combination 44 Figure 21 Marking Example According to ATEX and IECEx 46 Figure 22 Text Detail Marking Example According to ATEX and IECEx 46 Figure 23 Marking Example for Approved Ex i I O Module According to...

Страница 58: ... Supply Concept for Marine Applications in Ex i Class A shown with 750 624 xxx xxx for Field 2 40 Table 2 Explanation of the Legend for figure Power Supply Concept for Marine Applications in Ex i Class A shown with 750 624 xxx xxx for Field 2 40 Table 1 Legend for figure Power Supply Concept for Marine Applications in Ex i Class B shown with 750 626 xxx xxx for Field 2 41 Table 2 Explanation of th...

Страница 59: ...WAGO I O SYSTEM 750 59 750 538 2DO RELAY Ex i Manual Version 1 4 1 ...

Страница 60: ...WAGO Kontakttechnik GmbH Co KG Postfach 2880 D 32385 Minden Hansastraße 27 D 32423 Minden Phone 49 571 887 0 Fax 49 571 887 844169 E Mail info wago com Internet www wago com ...

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