FRM
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Rotary Limit Switches Driver FRM Series TM

Limit Switches Driver FRM Series Main 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 precise number of turns, the cams cause the intervention of the internal contacts. 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 various linear outputs. Contacts are positive-opening (EN 60947-5-1),...

Contacts and regulation cams Each cam is equipped with its own micrometrical regulation screw. Regulation can be easily carried out through a screwdriver. 1. Optional basic regulation • loosen the upper screw • rotate the cams manually • tighten the upper screw (torque 1 Nm) 2. Fine regulation • rotate the regulation screw of each cam • suggested screwdriver 4,0 x 0,8 A particular clutch system ensures regulation rapidity and precision as well as stability, steadiness and reliability. Contacts features Microswitch Compliance with rules Insulation voltage Test voltage Category of usage...

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 is possible to use max 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 between the internal...

Sensors and speed reader The experience we have developed cooperating with several manufacturers of sensors has allowed us to realize the interfaces which are necessary to assemble different marks of sensors, according our customers’ inquiries. The application of encoders, potentiometers or some other sensors, in addition to the groups of microswitches, produces in the same device an analogic or digital output, which can be properly read. Moreover, a rotation speed reader can be inserted as an option. Do not hesitate to contact us to indicate your needs. Speed reader (for ratio 1:1)...

For your safety Driver FRM limit switches comply with the following Directives and Norms: 2006/42/CE Machine Directive 2006/95/CE Low Voltage Directive 2002/95/CE RoHS Directive 1907/2006 REACH EN 60947-1 Low-voltage switchgears and control gears EN 60947-5-1 Control circuit devices EN 60204-1 Safety of machinery EN 60529 Protection degrees UL 508 Industrial control equipment Driver FRM limit switches are guaranteed by our EC Certificate of Conformity, available upon request, where it is declared that such product has been created by Ravioli in accordance to defined and acknowledged Safety...

Purchase codes Purchase codes for standard limit switches The purchase code for standard limit switches is composed as follows: Special limit switches To purchase non standard limit switches, please choose the composition you want: Note: the use of OUT 2 excludes the employ ofOUT3and viceversa. O Connection board Cross the elements you desire. For each contact, specify the type of cams you want. Define the ratio you require for each rotation axis. Define the kind of the sensor. Further information:

Spare parts and Accessories 1 Spare Parts Pos. Code Contact T - 1NO 1NC rapid blue (standard) Contact R - 1NO 1NC rapid white (fingeroroof) Contact D - 1NO 1NC golden (on demand) Pos. Code BCAMAFR BCAMBFR BCAMCFR 3 BCAMDFR BCAMEFR BCAMFFR Description Cam A - pointed Cam B - sector Cam C - semi-turn Cam D - quarter-turn Cam E - circular Cam F - 10 point Description Cog wheel M5 Z12 Cog wheel M6 Z11 Cog wheel M8 Z12 Cog wheel M10 Z12 Cog wheel M12 Z10 Cog wheel M12 Z12 Cog wheel M14 Z10 Cog wheel M16 Z10 Cog wheel M18 Z10 Cog wheel M18 Z11 Cog wheel M20 Z8 Cog wheel M20 Z11 BFLANFRM Flange...