Eaton 912 -IS Series, Instruction Manual

Page 1: ...April 2020 INM9120 Rev 8 Instruction manual MTL fieldbus networks NET9000 Fieldbus Connections 912x IS FISCO power supplies ...

Page 2: ...ation of Conformity A printed version of the Declaration of Conformity has been provided separately within the original shipment of goods However you can find a copy of the latest version at http www mtl inst com certificates ...

Page 3: ...ns 5 2 4 Making connections 6 2 5 Finishing 6 3 SETUP AND TESTING 7 3 1 Switches 7 3 2 Testing 7 3 3 Tag labelling 8 4 MAINTENANCE 8 4 1 Routine maintenance 8 4 2 Enclosures 5 APPENDIX A ATEX INFORMATION 9 5 1 General 9 5 2 Installation 9 5 3 Inspection and maintenance 9 5 4 Repair 9 5 5 Marking 10 IMPORTANT NOTICE The user s attention is drawn to the important safety information provided in Appen...

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Page 5: ...ted codes of practice for example IEC EN 60079 11 in Europe All installations should comply with the relevant sections of these codes In addition particular industries or end users may have specific requirements relating to the safety of their installations and these requirements should also be met 1 1 PRODUCT DESCRIPTION The 9121 IS and 9122 IS are fieldbus repeater isolators that can relay field...

Page 6: ... within the enclosure and the use of shading against direct sunlight should be considered 2 1 2 Outdoor mounting Where power supplies are mounted in outdoor locations then the use of a suitably approved enclosure is recommended For Zone 2 locations Ex e or Ex n enclosures are an economic solution that satisfy the minimum acceptable criteria of a 7Nm impact test and IP54 ingress protection However ...

Page 7: ...ng effect To make use of the full temperature range specified for a unit it must be mounted on a vertical surface with the switches at the top as shown in the right hand part of Figure 1 2 2 2 Mounting FISCO power supplies on DIN rail Press the unit onto the DIN rail type T35 as shown in figure 2 with the intrinsically safe IS terminals marked with blue labels facing the IS field wiring connection...

Page 8: ...ards pivot the isolator off the rail Figure 3 Removing from DIN rail 2 2 3 Surface mounting FISCO power supplies To surface mount a 912X IS power supply ease out the DIN rail clips at each end in the manner shown in Figure 3 to reveal mounting brackets which contain clearance holes for M4 screws or bolts Figure 4 Surface mounting brackets ...

Page 9: ...e a mechanical key system to prevent accidental cross connection they are NOT interchangeable Ensure that enough cable is provided to permit future removal of the plugs for maintenance or replacement To remove a connector plug insert a screwdriver blade behind it as shown in figure 6 and lever the connector gently outwards Figure 5 Spring clamp and screw clamp plugs Figure 6 Removing power and sig...

Page 10: ...ector and tighten screws 2 4 2 Spring cage clamp connector a Strip back the insulation of conductors 10 mm recommended strip length See note b Check the terminal assignments as indicated on the side label of the unit c Press screwdriver blade into groove on spring clamp fully insertconductor remove screwdriver Note if the wires are to be fitted with crimp ferrules consult ferrule manufacturer s re...

Page 11: ...ach end of a fieldbus segment If a single 912X IS power supply is connected to the remote end of a host segment a terminating impedance must be applied by setting its T Host switch to ON A fieldbus terminator must also be applied or connected at the host end of the segment IMPORTANT If more than one 912X IS power supply is connected to the same host segment only one of them should have its T Host ...

Page 12: ...supplies and tag details comply with the relevant documentation c power supplies are securely clipped to the DIN rail d all cable connections are properly made to the plugs e all plugs are fully inserted f all connecting cables are of the specified type and rating are correctly routed and segregated particularly when fitted in enclosures and are not frayed or otherwise damaged g all cable screens ...

Page 13: ...e met For the majority of installations the Directive 1999 92 EC the ATEX Directive safety of installations is also applicable b The apparatus must not be subjected to mechanical and thermal stresses in excess of those permitted in the certification documentation this manual and the product specification If necessary the product must be protected by an enclosure to prevent mechanical damage c The ...

Page 14: ... ib Gb IIB Ex ib Db IIIC BAS02ATEX7277X 19 2 30Vdc 9 9W Max TC RU C GB ME92 B 00739 EU Importer Eaton 69412 Eberbach Germany EATON ELECTRIC LTD Luton England LU2 8DL Made in England www mtl inst com 0598 Power In Um 40Vdc Host Fieldbus Um 253V 19 2 30Vdc 6 6W Max 9121 IS MTL FISCO power supply IIC R 30 EU Importer Eaton 69412 Eberbach Germany EATON ELECTRIC LTD Luton England LU2 8DL Made in Englan...

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