Abstract: A safety handle for the control of access for machines or industrial plants comprises a main body (3, 4) adapted to be anchored to the movable part (M) of the access (A) to be controlled and adapted to be gripped by a user for moving the movable part (M) of the access (A), fixing means for fixing the main body (3, 4) to the movable part (M) of the access (A), an actuator (2) to be associated with the main body (3, 4) and adapted to interact with control means associated with the fixed part (F) of the access (A) upon closure thereof for enabling the machine or industrial plant to be controlled, sealing means (11) suitable for covering the fixing means to prevent access from the outside.

Abstract: A control station for electrical installation comprises a protection box (2) having a side wall (3) with a front face (4) defining a development plane (?), a plurality of controls (5, 9, 20) anchored to the protection box (2), at least one of the controls being a mushroom emergency push button (9), movable electrical contacts associated with respective controls (5, 9, 20) to be connected to one or more circuits of the electrical installation for the opening/closing thereof. Each control (5, 9, 20) is associated with one or more contact units (22) having movable electrical contacts arranged in the protection box (2). The emergency push button (9) is housed in a seat (8) formed on a side face (7) of the side wall (3) perpendicular to the development plane (?) and is anchored to one or more contact units (22) removably housed in the protection box (2).

Abstract: A safety switch with differentiated CPUs comprises a switching device (2) associated with a fixed part of an access to be controlled and having switching means connected to one or more circuits of the system for the opening/closing thereof, a driving device (3) associated to a movable part of the access to interact with the switching means for opening/closing of one or more circuits, control means (6) associated with the switching device (2) and adapted to receive input signals from the circuits through respective communication buses for sending an error signal and/or for stopping the system in case of no signal or detection of non-compliance, wherein the control means (6) comprise a main CPU (7) connected with the communication buses (9) associated with safety functions and at least one auxiliary CPU (8) connected solely to the communication buses (12) associated with circuits and/or devices not related to safety conditions.

Abstract: A potentiometer comprises a cylindrical case (2) having an upper edge portion (3) and housing an electric adjustment device (5) enclosing a variable resistance, means (8) for the electrical connection of the electrical adjustment device (5) to the circuit to be controlled, a knob (9) partially inserted into the case (2), a drive shaft (10) at least partially housed in the case (2) with a first end (11) associated with the knob (9) to be integral in rotation therewith and a second end (12) interacting with the variable resistance to vary the instantaneous value thereof upon the rotation of the shaft (10). The electric adjustment device (5) comprises a box-like housing (14) coupled to the electrical connection means (8) and housing the variable resistance and having a longitudinal passing-through hole (15) suitable for snugly fit the second end (12) of the shaft (10).

Abstract: A modular structure for safety switches for controlling access for machines and industrial plants comprises a casing (2) housing switching means for controlling one or more circuits of the machine or plant, drive means adapted to interact with the switching means upon the opening/closing of the access, an auxiliary module (3-3v) housing at least one control (4i-4v) adapted to be manually operated to operate on the switching means and/or the drive means and comprising a box hollow body (5) having at least one opening (6) for inserting the control (4i-4v) provided with first means for removably connecting the control (4i-4v), the latter being selected within a series of controls (4i-4v) having functions different from each other and each provided with a fastening rod (7i-7v) adapted to be inserted in the opening (6) of the box body (5) and provided with second connecting means complementary to the first connecting means.

Abstract: A safety switch with detection of the end-stroke of the unlocking mechanism adapted to supervise a safety access of a machine or industrial plant comprises a switching device (2) adapted to be associated to the fixed part of an access to be supervised and having switching means (5) adapted to be operatively connected to one or more control and/or service circuits of the plant for the control thereof, an operating device (3) associated to a movable part of the access to interact with the switching means (5) at the time of opening/closing of the access for opening/closing of one or more circuits, an unlocking mechanism (13) housed in the switching device (2) and having an unlocking pin (14) adapted to translate with maximum predetermined stroke from a blocking position of the access to an unlocked position to determine the opening of the switching means (5), means (17) for the detection of the stroke of the unlocking pin (14) comprising a first detector (18) adapted to detect the start of the stroke of the unlo

Abstract: A safety switch for controlling the access to industrial machines comprises a switching device having switching means, an actuator device (3) to interact with the switching means at the opening/closing of the access for passing from a removed condition to an inserted condition, locking/unlocking means adapted to lock the actuator device on the switching device following their mutual interaction, an electronic control unit having a first communication channel with a first inlet and a first outlet and a second communication channel with a second inlet and a second outlet, wherein said first inlet and said second outlet are of safe type and adapted to vary their state after detecting the condition of said actuator device and wherein said electronic control unit is adapted to vary the state of said first outlet and said second outlet upon detection respectively of a first and a of second condition for said actuator device.

Abstract: A safety switch comprises a switching device (2) having a casing (4) housing switching means (5) connected to one or more circuits, an operating device (3) interacting with the switching means (5) for opening/closing the circuits, an unlocking mechanism (13) having an unlocking pin (14) translating with a maximum stroke from a locking position of the access to an unlocking position to operate the opening of the switching means (5), detection means (17) of the stroke of the unlocking pin (14) having a first detector (18) of the start of the stroke of the unlocking pin (14), an auxiliary unlocking control (25, 26) operatively connected to the unlocking mechanism (13) from a rest position to an operative position of unlocking of the access and promote the translation of the unlocking pin (14) The detection means (17) comprise an auxiliary detector (31) for detecting the actuation of the auxiliary unlocking control (25, 26).

Abstract: A safety switch for the control of access for machines and industrial plants comprises a casing adapted to be fastened to a fixed part of the access to be controlled and housing thereinside switching means) for controlling one or more control and/or service circuits of the machine or plant, driving means adapted to interact with the switching means upon the opening/closing of the access for opening/closing one or more circuits, anchoring means of the casing to the fixed part of the access, the anchoring means being integrated in the casing and adapted to allow the selective fixing to the fixed part of the access according to at least two mutually angled orientations, one or more auxiliary modules adapted to be selectively mounted to the longitudinal upper end of the casing, fixing means for fixing the one or more auxiliary modules to the casing.

Abstract: An electronic operated safety switch has a switching device which houses a switch. The switch is operatively connected to a control or service circuit. The electronic operated safety switch also has an operating device configured for engaging the switch. The switching device comprises a head housing a sensor, and a case housing a lock. The operating device is adapted to send a signal to the sensor, thereby controlling the switch. The switch comprises an actuator housed in the case, the actuator configured to operate on the lock upon the receiving by the sensor of the signal.

Abstract: An adapter for mounting electric units to be wired to an electric system comprises a hollow anchoring body (10) having an upper portion (17) with a hole (12) for the passage of a driving control (6), a lower portion (16) removably coupled with the upper portion (17), a pair of reciprocally opposite side faces (15) at least partially open to allow the wires to access to electric units (2) housed into the anchoring body (10), means (14) for removably mounting the anchoring body (10) to a support (R), first holding means (27) adapted to removably fix the electric unit (2) to the bottom wall (13) of the lower portion (16). The first holding means (27) comprise at least one first and one second recesses (29) formed in the bottom wall (13) at respective open side faces (15) to house and snap-hold the electric unit (2).

Abstract: An hand-operated safety switch with time delay (1) comprises a switching device (2) adapted to be anchored to a fixed part of the protection and provided with switching means (5) adapted to be connected to a plant to be controlled, an operating device (3) adapted to be anchored to a movable part of the protection for interacting with the switching means (5) upon the closing of the movable part. The switching device (2) comprises a locking mechanism (9) associated with the switching means (5) and adapted to selectively hold/release the operating device (3) and hand-operable unlocking means (10) operatively coupled with the locking mechanism (9) for unlocking the operating device (3) with a predetermined time delay with respect of the switching of the power supply circuit by the switching means (5). The switching device (2) has sensor means (13) operatively coupled with the switching means (5) for modifying their operative condition in function of an inlet signal.

Abstract: A multi-signaling hinged safety switch for mobile protection barriers includes a fixed member designed to be secured to a stationary part of the barrier and having a pair of axial end holes, a movable member designed to be secured to a pivotal part of the barrier and having a pair of substantially transverse arms located outside the fixed member and pivoted to the axial end holes, an electrical detection system within the fixed member switching one or more electric safety circuits of the barrier at a predetermined switching angle. A pair of cylindrical pins extend in cantilever fashion from the arms and are pivotally inserted in the holes, with mutually spaced opposed ends defining a gap with no axial connection member therein. The detection system includes a pair of detectors each interacting with one end of a pin and having a switching angle that are operatively independent of each other.

Abstract: An electronic hinged safety switch adapted for installation on protection barriers (B) of machines and/or automatic plants having one or more electric safety circuits (S). The switch comprises a substantially box-like fixed member (2) designed to be secured to a stationary part (M) of a protection barrier (B) and a movable member (3) designed to be secured to a pivotal part (P) of the protection barrier (B) and coupled to the fixed member (2) through hinge means (4). Sensing means (5) are housed in said box-like fixed member (2) for interacting with the hinge means (4) to send an electric control signal (SC) to one or more electric safety circuits (S) at a predetermined switching angle (?). The sensing means (5) comprise at least one sensor for generating a corresponding actuation signal (SA) at the switching angle (?), and an electronic control unit (8) operatively connected to at least one sensor (6).

Abstract: A protection assembly with an operating knob (1) for an electrical potentiometer comprises a substantially tubular housing (2) defining a longitudinal axis (L), an electrical adjustment device (3) held within the housing (2) and having an adjustment shaft (4) rotating about the longitudinal axis (L) and an internal variable resistor interacting with a longitudinal end (5) of the shaft (4), an operating knob (6) attached to the other end (7) of the shaft (4), limit stop means (8) for restricting the rotation of the shaft (4) within a predetermined maximum angle of rotation (a). The knob (6) comprises an annular anchoring member (9), which is designed to be removably coupled to the housing (2) and an operating member (10) coupled to the shaft (4) and rotating relative to the anchoring member (9). The anchoring member (9) and the operating member (10) have mutually facing cylindrical surfaces (11, 12), with said limit stop means (8) interposed therebetween to limit the infiltration of external impurities.

Abstract: An adapter configured to connect a switch device to a data bus, wherein the switch device has a box-like body which houses a switching unit for switching an electric circuit, wherein the adapter includes a case having a first opening and a second opening and an electronic control unit housed in the case and having a first connection element adapted to be connected to the switching unit through the first opening and second connection element adapted to be connected to the data bus through the second opening to convert the electric signals generated by the switching unit into data signals and vice versa.

Abstract: An electronic safety device for a protection barrier includes a transponder, a transceiver device for receiving a return signal from the transponder, the transponder being movable with respect to the transceiver and adapted to be placed at a current distance, an electric circuit which is switched when the distance is lower or higher than a reference distance and a control and switching system. The transceiver device processes the return signal to generate a control signal with an electric parameter variable in function of the distance. The control signal is a periodic signal with a frequency and has a first spectrum with a middle interval and a second spectrum with lateral intervals shifted with respect the middle interval when the distance is higher than the reference distance, the parameter being associated to a frequency value that comprises either into the middle interval or into one of the lateral intervals.

Abstract: An electronic hinged safety switch adapted for installation on protection barriers (B) of machines and/or automatic plants having one or more electric safety circuits (S). The switch comprises a substantially box-like fixed member (2) designed to be secured to a stationary part (M) of a protection barrier (B) and a movable member (3) designed to be secured to a pivotal part (P) of the protection barrier (B) and coupled to the fixed member (2) through hinge means (4). Sensing means (5) are housed in said box-like fixed member (2) for interacting with the hinge means (4) to send an electric control signal (SC) to one or more electric safety circuits (S) at a predetermined switching angle (?). The sensing means (5) comprise at least one sensor for generating a corresponding actuation signal (SA) at the switching angle (?), and an electronic control unit (8) operatively connected to at least one sensor (6).