Abstract: At a time that a position detecting device is initiated, an arithmetic processing unit calculates the absolute position of a rotating shaft at the time of initiation, on the basis of first to third analog signals corresponding to first to third angles of rotation, which are detected respectively by first to third rotational angle detectors. During rotation of the rotating shaft, a current position counter detects a current absolute position of the rotating shaft by counting a number of pulses of forward rotation pulses or reverse rotation pulses, corresponding to the first angle of rotation detected by the first rotational angle detector, taking as a standard a total number of pulses corresponding to the absolute position of the rotating shaft at the time of initiation.

Abstract: At a time that a position detecting device is initiated, an arithmetic processing unit calculates the absolute position of a rotating shaft at the time of initiation, on the basis of first to third analog signals corresponding to first to third angles of rotation, which are detected respectively by first to third rotational angle detectors. During rotation of the rotating shaft, a current position counter detects a current absolute position of the rotating shaft by counting a number of pulses of forward rotation pulses or reverse rotation pulses, corresponding to the first angle of rotation detected by the first rotational angle detector, taking as a standard a total number of pulses corresponding to the absolute position of the rotating shaft at the time of initiation.

Abstract: The stop positions of start and end points for a slider are set by positionally adjusting a stopper and/or a stopper. The distance that the slider has traveled is learned according to a command from a control console in response to a manipulation of a learning manipulation element, and at least one of a speed and an acceleration is set by a speed regulator and an acceleration regulator. The control console outputs a drive signal to a motor based on at least one of the set speed in constant-speed movement of the slider and the set acceleration of accelerated movement of the slider and the learned distance that the slider has traveled, thereby moving the slider. For moving the slider to the start point or the end point, the control console controls the slider to move at a speed lower than the speed in constant-speed movement, and positions the slider at the start point or the end point.

Abstract: The stop positions of start and end points for a slider are set by positionally adjusting a stopper and/or a stopper. The distance that the slider has traveled is learned according to a command from a control console in response to a manipulation of a learning manipulation element, and at least one of a speed and an acceleration is set by a speed regulator and an acceleration regulator. The control console outputs a drive signal to a motor based on at least one of the set speed in constant-speed movement of the slider and the set acceleration of accelerated movement of the slider and the learned distance that the slider has traveled, thereby moving the slider. For moving the slider to the start point or the end point, the control console controls the slider to move at a speed lower than the speed in constant-speed movement, and positions the slider at the start point or the end point.

Abstract: A circular wire with a circular cross section is wound on a coil reel. When a winding-form motor rotates a winding form, the circular wire is pulled and drawn from the coil reel. Rectangular forming rollers press the circular wire, so that a rectangular wire with a rectangular cross section is formed. The rectangular wire is directly wound on the winding form to be formed into a rectangular-wire coil. Because forming rectangular wire and winding on the winding form are carried out in a sequence of contiguous processes, a separate process for removing torsion set of the rectangular wire is unnecessary. The rectangular-wire coil can be formed from inexpensive circular material wire by a simple and low-cost apparatus. It is also possible and preferable to make dimensions and a shape of the rectangular wire variable by controlling clearance widths between the forming rollers and tension acting on the rectangular wire that has passed through the rollers.

Abstract: Substrates, in each of which all or parts of electronic parts including IC for communication are carried in a form of bare chip, are mounted on solenoid-operated valves attached onto manifold blocks for constructing a solenoid-operated valve manifold. Accordingly, it is possible to miniaturize the solenoid-operated valve manifold.

Abstract: Substrates, in each of which all or parts of electronic parts including IC for communication are carried in a form of bare chip, are mounted on solenoid-operated valves attached onto manifold blocks for constructing a solenoid-operated valve manifold. Accordingly, it is possible to miniaturize the solenoid-operated valve manifold.

Abstract: A circular wire with a circular cross section is wound on a coil reel. When a winding-form motor rotates a winding form, the circular wire is pulled and drawn from the coil reel. Rectangular forming rollers press the circular wire, so that a rectangular wire with a rectangular cross section is formed. The rectangular wire is directly wound on the winding form to be formed into a rectangular-wire coil. Because forming rectangular wire and winding on the winding form are carried out in a sequence of contiguous processes, a separate process for removing torsion set of the rectangular wire is unnecessary. The rectangular-wire coil can be formed from inexpensive circular material wire by a simple and low-cost apparatus. It is also possible and preferable to make dimensions and a shape of the rectangular wire variable by controlling clearance widths between the forming rollers and tension acting on the rectangular wire that has passed through the rollers.

Abstract: A circular wire with a circular cross section is wound on a coil reel. When a winding-form motor rotates a winding form, the circular wire is pulled and drawn from the coil reel. Rectangular forming rollers press the circular wire, so that a rectangular wire with a rectangular cross section is formed. The rectangular wire is directly wound on the winding form to be formed into a rectangular-wire coil. Because forming rectangular wire and winding on the winding form are carried out in a sequence of contiguous processes, a separate process for removing torsion set of the rectangular wire is unnecessary. The rectangular-wire coil can be formed from inexpensive circular material wire by a simple and low-cost apparatus. It is also possible and preferable to make dimensions and a shape of the rectangular wire variable by controlling clearance widths between the forming rollers and tension acting on the rectangular wire that has passed through the rollers.

Abstract: A manifold solenoid valve drive-controlled by serial signals permits extremely easy assembly and easy maintenance, and eliminates a possibility of erroneous wiring. For this purpose, compressed air is supplied and exhausted through manifold blocks 30 on which solenoid valves 20 are mounted and which are consecutively connected, and serial signals are transmitted to the respective solenoid valves. A fluid passage section 31 of the manifold block is provided with common passages 32 and 33 for air supply and exhaust that penetrate the respective manifold blocks 30, and channels 36 through 38 that communicate them with supply/discharge openings of the solenoid valves 20.

Abstract: In a manifold solenoid valve drive-controlled by serial signals, control systems for a single valve and a double valve are achieved by simple switching of a single control system. For this purpose, in order to transmit serial signals to solenoid valves through manifold blocks 30 on which solenoid valves 20 are mounted and which are connected, a printed circuit board 45 having connecting terminals 46a and 46b for transmitting serial signals, a slave chip 47 for extracting operation signals for the solenoid valves from the serial signals, a feeder terminal 49 for supplying power to the solenoid valves 20 based on the operation signals, and a switching device 48 for switching the slave chip between a single solenoid valve mode and a double solenoid valve mode is detachably accommodated in an electric circuit section 41 of each manifold block 30.

Abstract: In a manifold solenoid valve drive-controlled by serial signals, control systems for a single valve and a double valve are achieved by simple switching in a single control system. For this purpose, in order to transmit serial signals to solenoid valves through manifold blocks 30 on which solenoid valves 20 are mounted and which are connected, a printed circuit board 45 having female/male connecting terminals 46a and 46b for transmitting serial signals, a slave chip 47 for extracting operation signals for the solenoid valves from the serial signals, and a feeder terminal 49 for supplying power to the solenoid valves 20 based on the operation signals is accommodated in each manifold block 30. The slave chip 47 can be switched between a single valve mode and a double valve mode, and a switching device 48 for performing the switching is provided on the manifold block 30.

Abstract: In a manifold solenoid valve drive-controlled by serial signals, a solenoid valve itself is provided with a function for receiving serial signals for single valves or double valves so as to simplify assembly and replacement of the manifold solenoid valve. For this purpose, in order to transmit serial signals to solenoid valves through manifold blocks 30 on which solenoid valves 20 are mounted and which are connected, each manifold block 30 is provided with female/male connecting terminals 46a and 46b for transmitting serial signals and a connector 49 for transmitting drive control serial signals to the solenoid valves 20 and supplying drive power for switching a main valve 22. A connector 25 for transmitting and receiving power that is connected to the connector 49 when the solenoid valve 20 is mounted is provided at a position matched to the connector 49 of the manifold block.