Sigma FOS-01 Operation Manual Download Page 5

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3.0 Contact Travel

FOS-01 Operation Manual

Page 5 of 17

3.0 Contact Travel

A combination of a NC and a NO contacts will result in a "Break Before Make" operation while a combination of
a NC-LB Late Break and NO-EM Early Make will result in a "Make Before Break" operation.

Summary of Contents for FOS-01

Page 1: ...tice This document confers upon the recipient no right or license to make have made use sell or practice any technology or inventions described herein The engineering details and design concepts illustrated in this manual are to be maintained in strict confidence and are the property of SIGMA RESEARCH Inc No component or detail of this manual is to be illegitimately used nor disclosed without the ...

Page 2: ...ications 4 3 0 Contact Travel 5 4 0 Hazardous Locations 6 5 0 Installation and Environmental Considerations 7 5 1 Operators 10 5 2 Optical Contact Blocks 10 5 3 Inserting FC Connector 11 5 4 Chaining Multiple Switches 11 6 0 Dimensions 12 7 0 Ordering Number Contents 16 8 0 Warranty 17 ...

Page 3: ...rently safe Ex op is which can be used in any type of hazardous environment or explosive atmosphere Features Absolutely safe for installation in hazardous areas as it eliminates the ignition source Immune to EMI RFI and high voltage power lines Eliminates electrocution and fire hazards Can be installed up to 2 5Km away from equipment it controls Uses Standard Multimode 62 5 125µm fiber optic cable...

Page 4: ... LB Late Break NO EM Early Make Explosive Atmosphere ATEX I II 1G II 1D I M1 When used in conjunction with the Fiber Optic Interface FOI 01 221 Explosive Atmosphere IECEx Ex op is IIC T6 Ga Ex op is IIIC T60 C Da When used in conjunction with the Fiber Optic Interface FOI 01 221 Hazardous Area NEC 500 505 506 CEC Divisions Class I II III Div 1 2 Group A B C D E F G Temp Code T6 Zones Class 1 Zone ...

Page 5: ...on Manual Page 5 of 17 3 0 Contact Travel A combination of a NC and a NO contacts will result in a Break Before Make operation while a combination of a NC LB Late Break and NO EM Early Make will result in a Make Before Break operation ...

Page 6: ...and ANSI ISA 60079 28 The device being a Simple Apparatus shall not bear the CE mark according to the ATEX directive Therefore the Fiber Optic Switch can be safely installed and operated in any type of hazardous area ATEX Equipment Group I Mines All Categories M1 and M2 All Gas and Dust Environments ATEX Equipment Group II All Categories 1 2 and 3 All Gas and Dust Environments According to NEC 504...

Page 7: ... made of antistatic material or it should be covered with a bonded durable conductive coating The enclosure must be grounded or as a minimum must be in direct contact with a metallic structure that is grounded The FOS protective enclosure as described above should also provide mechanical protection as required by IEC 61010 1 energy protection level greater than 5J surface resistance 10 9 ohm 50 re...

Page 8: ...derations FOS 01 Operation Manual Page 8 of 17 Double Optical Contact Block Clearance Details Enclosure should be a minimum of Depth D 100mm Refer to Single Optical Contact Block Clearance Details for rest of dimension restrictions Min 5mm D ...

Page 9: ...to IDEC catalog for operator specifications Operators snap onto the hooks of the adaptor plate to complete a fully assembled switch Fiber Optic Switches are available in 22mm and 30mm options Removing Operator Select a screwdriver with a tip width between 4mm and 8mm to successfully latch onto both hooks IDEC TW Series IDEC TWTD Series Optical Contact Block 22mm Adaptor Plate 30mm Adaptor Plate ...

Page 10: ... or unscrew any parts of the optical contact block as this will affect the optical alignment of the Fiber Optic Switch causing higher signal losses 5 3 Inserting FC Connector Line up the FC Connector key with the key hole in the Fiber Optic Switch Insert all the way until it cannot be pushed any further Once inserted begin to screw the connector on the thread to the end until the FC connector touc...

Page 11: ...ional optical losses occurring in the system due to multiple switches Each Fiber Optic Switch adds 4dB typical 3dB loss When using the switches with a Fiber Optic Interface refer to FOI Operation Manual ANNEX A for a detailed optical power margin calculation and the maximum number of switches that can be connected in series Fiber Optic Cable 62 5 125µm MM Fiber Optic Switches FOS 01 xxx Fiber Opti...

Page 12: ...6 0 Dimensions FOS 01 Operation Manual Page 12 of 17 6 0 Dimensions 22mm Fiber Optic Switch no operator All dimensions in mm ...

Page 13: ...6 0 Dimensions FOS 01 Operation Manual Page 13 of 17 30mm Fiber Optic Switch no operator All dimensions in mm ...

Page 14: ...6 0 Dimensions FOS 01 Operation Manual Page 14 of 17 30mm Fiber Optic Switch double optical contact block no operator All dimensions in mm ...

Page 15: ...s in mm Contact us for more operator dimensions 30mm Fiber Optic Switch with IDEC operators All heights in mm Contact us for more operator dimensions Push Button Flush Selector Switch Knob Mushroom Cap 40mm Turn Push Button Flush Selector Switch Knob Mushroom Cap 40mm Turn 97 80 84 35 96 05 74 90 85 60 87 00 ...

Page 16: ...ptor plate must match the operator ex 22mm for TW series or 30mm for TWTD series Standard Contents Fiber Optic Switch FOS 01 xxx Hard copy of Datasheet Accessories Additional Contents Fiber Optic Cable MM Graded Fiber 62 5 125µm ST FC connectors Cable glands FOS 01 x x x x Fiber Optic Switch Series 01 optical contact block c w 2 optical contacts of Optical Contact Blocks 1 2 Optical Contact Types ...

Page 17: ...alfunctions or damage resulting from normal wear and tear improper installation improper maintenance misuse abuse negligence accident or alteration C Accessories connected materials and products or related products not manufactured or sold by SIGMA RESEARCH Inc This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability of fitness for a p...

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