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FRM Rotary Limit Switch

FRM Rotary Limit Switch
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FRM SERIES General Features The rotary limit switch is a device, which allows you to control the movement of industrial and building machines. The shaft is connected to the motor, so that, after a certain number of turns, the cams make the switches work, and then they can carry out their pre-set manoeuvre. The innovative and thorough regulation of the cams allows you to set the microswitches working point linearly and micrometrically. The limit switch ranges several ratios and you can assemble different kinds of sensors realizing varios linear outputs. Contacts are positive-opening, which improves the workers’ safe. This series includes a great number of different accessories, which make easier the use of the limit switch. Technical features • • • • • • • • • • • • Compliance with EEC Directives 2006/42/CE 2006/95/CE ROHS Compliance with rules CEI EN 60947-1 CEI EN 60947-5-1 CEI EN 60204-1 CEI EN 60529 UL508 Insulation voltage 250V~ Maximum operating voltage 250V~ Black lower casing reinforced nylon Yellow cover high mechanical and thermal resistant thermoplastic Operating temperature - 20 °C + 60 °C Drive worm screw Cable entries standard: 2 glands M20x1,5 (option more glands) Protection degree IP 66 - EN 60529 Protection against contact voltages double insulation EN 60439-1 Weight 460 g (approx.) 1 Nuova CEVA Automation. Via G.B. Signini 43. Briga Novarese (NO) ITALY Tel. +39 0322 93574 Fax +39 0322 953787 info@nuov

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FRM SERIES Contacts and regulation cams Each cam is equipped with its own micrometrical regulation screw. Regulation can be easily carried out through a screwdriver. A particular clutch system ensures regulation rapidity and precision as well as stability, steadiness and reliability. Optional basic regulation Loosen the upper screw Rotate the cams manually Tighten the upper screw (torque 1Nm) Fine regulation Rotate the regulation screw for each cam Suggested screwdriver 4,0x0,8 Contacts features Microswitch Insulation voltage Test voltage Termal current Breaking power Mechanical lifetime...

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FRM SERIES Standard Executions FRM limit switch is equipped with 3 internal rotation axes, named:  OUT 1 output for different ratios 1:n  OUT 2 output for different ratios 1:n or 1:k  OUT 3 output for direct ratio 1:1 It’s possible to use just 2 internal rotary axes simultaneously: OUT 1 is always available, while either OUT 2 or OUT 3 can be used (they cannot be used at the same time). The fourth rotation axis OUT L is available for the application of a speed reader. Some printed, pre-wired circuits, provided with terminal blocks, can be inserted, on demand, to help the connections...

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FRM SERIES For Your Safety Installation and maintenance requirements INSTALLATION AND WIRING The limit switch must be installed by qualified personnel, in compliance with the current safety norms. Before wiring, the machine power supply must compulsory be interrupted. Correct installation calls for working temperatures from -20°C to +60° (optionally from -40°C to +60°). The limit switch must not be used in any areas which turn out to be potentially explosive, corrosive or with high sodium chloride contents. Acid, oil and solvent may cause the device deterioration; the limit switch is...

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FRM SERIES Cog Wheels A number of cog wheels, the male shaft and the flexible shaft have been studied to convey easily the motion from the shaft of the motor to the shaft of the limit switch. Available modules: • • • • • • • • • • 5 module with 12 tooth 6 module with 11 tooth 8 module with 12 tooth 10 module with 12 tooth 14 module with 10 tooth 16 module with 10 tooth 18 module with 10 tooth 18 module with 11 tooth 20 module with 8 tooth 20 module with 11 tooth Male connection The male connection helps the joining to motors or reducing gears. Flexible Shaft The flexible shaft allows you to...

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