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36

Use in Hazardous Environments

WAGO-I/O-SYSTEM 750

750-438 2DI NAMUR Ex i

Manual

V 1.2.0

Figure 14: Side marking example for approved Ex i I/O modules according to ATEX and IECEx.

Figure 15: Text detail – Marking example for approved Ex i I/O modules according to ATEX and
IECEx.

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Summary of Contents for 750-438

Page 1: ...Manual WAGO I O SYSTEM 750 2DI NAMUR Ex i 750 438 2 Channel Digital Input Module NAMUR Ex i Proximity sensor acc to DIN EN 50227 V 1 2 0...

Page 2: ...5 55 Fax 49 0 571 8 87 85 55 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 exclud...

Page 3: ...nectors 17 3 2 1 Data Contacts Internal Bus 17 3 2 2 Power Jumper Contacts Field Supply 18 3 2 3 CAGE CLAMP Connections 19 3 3 Display Elements 20 3 4 Operating Elements 20 3 5 Schematic Diagram 21 3...

Page 4: ...ecial conditions for safe use ATEX Certificate T V 07 ATEX 554086 X 41 7 2 2 Special conditions for safe use ATEX Certificate T V 12 ATEX 106032 X 42 7 2 3 Special conditions for safe use IEC Ex Certi...

Page 5: ...ctions in this manual and in the manual for the used fieldbus coupler controller Consider power layout of the WAGO I O SYSTEM 750 In addition to these operating instructions you will also need the man...

Page 6: ...rate 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 res...

Page 7: ...SYSTEM 750 Notes about this Documentation 7 750 438 2DI NAMUR Ex i Manual V 1 2 0 Additional Information Refers to additional information which is not an integral part of this documentation e g the I...

Page 8: ...re marked in italic type e g C Programme WAGO I O CHECK 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 Fil...

Page 9: ...h the current norms and guidelines for the devices and automated environments All changes to the coupler or controller should always be carried out by qualified personnel with sufficient skills in PLC...

Page 10: ...a housing or switch cabinet 2 1 4 Technical Condition of Specified Devices The components to be supplied Ex Works are equipped with hardware and software configurations which meet the individual appl...

Page 11: ...fixtures to authorized qualified staff only by means of specific keys or tools Replace defective or damaged devices Replace defective or damaged device module e g in the event of deformed contacts sin...

Page 12: ...contamination Do not reverse the polarity of connection lines Avoid reverse polarity of data and power supply lines as this may damage the devices involved Avoid electrostatic discharge The devices ar...

Page 13: ...hannels providing a direct intrinsically safe connection to 2 wire sensors The input signals are connected to the DI 1 or DI 2 CAGE CLAMP terminals and the sensor supplies to the Uv 1 or Uv 2 CAGE CLA...

Page 14: ...m current via power contacts The maximum current available from the 750 606 or 750 625 000 001 Ex i Supply Module is 1 A When configuring the system ensure that this current is not exceeded If exceede...

Page 15: ...ystem voltage are electrically isolated from each other Any configuration of the I O module is possible within an intrinsically safe segment when configuring the fieldbus node An arrangement in groups...

Page 16: ...er 1 Marking possibility with Mini WSB 2 A E Status LEDs Device description Display elements 3 Data contacts Assembly Mounting device 4 1 4 5 8 CAGE CLAMP supply Inputs DI 1 DI 2 and Sensor supply Uv...

Page 17: ...ailable as self cleaning gold spring contacts Figure 3 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...

Page 18: ...the I O module are designed as male contacts and the contacts on the right side as spring contacts Table 4 Power jumper contacts Figure 4 Power jumper contacts Connection Type Number Function 1 Blade...

Page 19: ...ons Table 5 Connections Fig 5 Connections Connection Chann el Designation Function 1 1 DI 1 Input DI 1 Signal voltage 4 Uv 1 Input DI 1 Sensor supply 5 2 DI 2 Input DI 2 Signal voltage 8 Uv 2 Input DI...

Page 20: ...lay elements Figure 6 Display elements LED Channel Desig nation State Function A 1 State DI 1 off Input DI 1 Signal voltage 0 green Input DI 1 Signal voltage 1 E 2 State DI 2 off Input DI 2 Signal vol...

Page 21: ...WAGO I O SYSTEM 750 Device Description 21 750 438 2DI NAMUR Ex i Manual V 1 2 0 3 5 Schematic Diagram Figure 7 Schematic diagram...

Page 22: ...voltage terminal bus 5 V DC and power contacts 24 V DC Current consumption typ internal 5 V DC 2 5 mA Current input power contacts max 24 V DC 16 mA load Voltage via power jumper contacts 24 V DC Sup...

Page 23: ...le 4 Technical data Inputs No of inputs 2 Signal current 0 1 2 mA Signal current 1 2 1 mA Switching hysteresis 0 2 mA Input filter 3 ms Input pulse duration 5 ms Input pulse separation 3 ms Input resi...

Page 24: ...ic circuit U0 12 V I0 13 5 mA P0 40 5 mW Line characteristic linear Reactance without consideration of the simultaneousness L0 C0 Ex ia IIC 190 mH 1 4 F Ex ia IIB 600 mH 9 F Ex ia I 1 H 35 F Reactance...

Page 25: ...granted to 750 438 I O modules Conformity Marking CULUS UL508 The following Ex approvals have been granted to 750 438 I O modules T V 07 ATEX 554086 X I M2 M1 Ex d ia Ma I Mb II 3 1 G Ex nA ia Ga IIC...

Page 26: ...g LR Lloyd s Register Env 1 2 3 4 NKK Nippon Kaiji Kyokai PRS Polski Rejestr Statk w RINA Registro Italiano Navale 3 8 Standards and Guidelines 750 438 I O modules meet the following requirements on e...

Page 27: ...due to sharp edged male contacts The male contacts are sharp edged Handle the module carefully to prevent injury Connect the I O modules in the required order Never plug I O modules from the directio...

Page 28: ...System Description WAGO I O SYSTEM 750 Perform work on devices only if the system is de energized Working on devices when the system is energized can damage the devices Therefore turn off the power su...

Page 29: ...nd power contacts if any to the fieldbus coupler controller or to the previous or possibly subsequent I O module are established 4 2 2 Removing the I O Module 1 Remove the I O module from the assembly...

Page 30: ...must be connected in an up circuit wiring assembly for example using WAGO feed through terminals Exception If it is unavoidable to jointly connect 2 conductors then you must use a ferrule to join the...

Page 31: ...WAGO I O SYSTEM 750 Connect Devices 31 750 438 2DI NAMUR Ex i Manual V 1 2 0 5 2 Connection Example Figure 1 Connecting diagram...

Page 32: ...s or their variations in the process image depends on the fieldbus coupler controller used Please take this information from the section Fieldbus Specific Design of the Process Data included in the de...

Page 33: ...igned for use in Zone 2 hazardous areas The following sections include both the general identification of components devices and the installation regulations to be observed The individual subsections...

Page 34: ...V 1 2 0 7 1 Marking Configuration Examples 7 1 1 Marking for Europe according to ATEX and IEC Ex Figure 12 Side marking example for approved I O modules according to ATEX and IECEx Figure 13 Printing...

Page 35: ...sure without a dust layer Mining I Equipment group Mining M2 Category High level of protection Ex Explosion protection mark d Mb Type of protection and equipment protection level EPL Flameproof enclos...

Page 36: ...I O SYSTEM 750 750 438 2DI NAMUR Ex i Manual V 1 2 0 Figure 14 Side marking example for approved Ex i I O modules according to ATEX and IECEx Figure 15 Text detail Marking example for approved Ex i I...

Page 37: ...on level EPL protection by enclosure ia Da Type of protection and equipment protection level EPL associated apparatus with intrinsic safety circuits for use in Zone 20 ib Db Type of protection and equ...

Page 38: ...3 Zone 2 equipment containing a safety device for a category 2 Zone 1 equipment Ex Explosion protection mark nA Gc Type of protection and equipment protection level EPL Non sparking equipment ia Ga Ty...

Page 39: ...dules according to NEC 500 Figure 17 Text detail Marking example for approved I O modules according to NEC 500 Table 11 Description of marking example for approved I O modules according to NEC 500 Pri...

Page 40: ...MUR Ex i Manual V 1 2 0 7 2 Installation Regulations For the installation and operation of electrical equipment in hazardous areas the valid national and international rules and regulations which are...

Page 41: ...e actuated when explosive atmosphere can be excluded 4 The connecting and disconnecting of the non intrinsically safe circuits is only permitted during installation for maintenance or for repair purpo...

Page 42: ...EN 60079 1 and the degree of protection IP64 The compliance of these requirements and the correct installation into an enclosure or a control cabinet of the devices shall be certified by an ExNB 2 Mea...

Page 43: ...e actuated when explosive atmosphere can be excluded 4 The connecting and disconnecting of the non intrinsically safe circuits is only permitted during installation for maintenance or for repair purpo...

Page 44: ...IEC 60079 1 and the degree of protection IP64 The compliance of these requirements and the correct installation into an enclosure or a control cabinet of the devices shall be certified by an ExCB 2 Me...

Page 45: ...tion to telecommunication circuits G WARNING Use Module 750 642 only with antenna module 758 910 H For Couplers Controllers and Economy bus modules only The instructions shall contain the following Th...

Page 46: ...9 Figure 11 Connecting a conductor to a CAGE CLAMP 30 Figure 12 Side marking example for approved I O modules according to ATEX and IECEx 34 Figure 13 Printing Text detail Marking example for approved...

Page 47: ...contacts 18 Table 5 Connections 19 Table 6 Display elements 20 Table 7 Technical data device 22 Table 8 Input bits 32 Table 9 Description of marking example for approved I O modules according to ATEX...

Page 48: ...WAGO Kontakttechnik GmbH Co KG Postfach 2880 D 32385 Minden Hansastra e 27 D 32423 Minden Phone 49 5 71 8 87 0 Fax 49 5 71 8 87 1 69 E Mail info wago com Internet http www wago com...

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