Abstract: A control device controls non-excitation-actuated electromagnetic brake operation. The control device includes an electronic component having a characteristic that when an inter-terminal voltage of two electrodes is equal to or higher than a predetermined voltage, a resistance value is lower than when the voltage is lower than the voltage and a diode disposed such that a cathode is on a side having a higher potential than an anode. The coil in the non-excitation-actuated electromagnetic brake and the electronic component are connected in series to form a first series circuit, the first series circuit and the diode are connected in parallel, and the electronic component is connected in series with the coil provided in the non-excitation-actuated electromagnetic brake so as not to be conducted when the inter-terminal voltage is lower than the predetermined voltage, but to be conducted when the inter-terminal voltage becomes equal to or higher than the predetermined voltage.

Abstract: A robot controller is a controller configured to control a motor of a robot and includes: a housing accommodating a heat generating part that generates heat; a vent hole that is open on a wall of the housing; a fan configured to supply air, introduced through the vent hole into the housing, to the heat generating part; and a lid part configured to cover the vent hole.

Abstract: A teaching system configured to teach operation to a plurality of robots includes a first controlling device which determines whether a first robot and a second robot are in an enabled state where the first and second robots are permitted to operate, and when the first controlling device determines as in the enabled state, the first controlling device transmits an enable signal indicative of permitting the second robot to operate and enables the first robot to be taught the operation when a teaching terminal specifies the first robot. When a second controlling device receives the enable signal from the first controlling device and the teaching terminal specifies the second robot, the second controlling device enables the second robot to be taught the operation.

Abstract: A controller includes: a casing having a rectangular solid shape and including a front panel including an intake port, a rear panel including a discharge port and opposed to the front panel, and a heat transfer wall including an opening portion and perpendicular to the front panel and the rear panel; a fan inside the casing that sucks outside air into the casing through the intake port and supply the air to the inside of the casing; a regenerative resistor inside the casing at a position where the regenerative resistor is exposed to the outside through the opening portion of the heat transfer wall, the regenerative resistor being insertable and detachable through the opening portion; electronic parts inside the casing and including a servo amplifier which makes the regenerative resistor consume electric power; and a lid body detachably attached to the heat transfer wall to seal the opening portion.

Abstract: A control device of a robot system including a plurality of robots having servo motors of a plurality of axes. The control device includes a plurality of controllers each having a plurality of servo amplifiers that drives the servo motors of the plurality of axes of the robots, and a control unit that controls the plurality of servo amplifiers. The control unit determines a driving number of the servo motors of the plurality of axes in accordance with the robots connected to the controllers, and sets a parameter for the servo amplifiers that drive the axes of the servo motors of a number corresponding to the determined driving number.

Abstract: A control device includes a casing and a control circuit substrate arranged inside the casing. The control circuit substrate includes: a control circuit mounted on the control circuit substrate; an internal connector connectable to a communication cable inside the casing, the communication cable being connected to an expansion circuit substrate; and an external connector connectable to another communication cable outside the casing, the another communication cable being connected to another expansion circuit substrate. The control circuit is connected to the internal connector and the external connector in parallel.

Abstract: A casing that can be compatible with plural types of substrates and a method for mounting a substrate to a casing are provided. The casing includes, in the inside of the casing, a substrate support portion and a substrate support body. The substrate support portion has a first support portion that can support a first substrate at a first substrate support position in the casing. The substrate support body has a second support portion that can support a second substrate at the first substrate support position.

Abstract: An electronic device includes: a first board configured as a printed circuit board having an electronic circuit component mounted thereon; a second board configured as a printed circuit board having an electronic circuit component mounted thereon; a board-to-board connector configured to electrically connect the first board and the second board, the board-to-board connector including a first terminal on the first board and a second terminal on the second board, the second terminal being configured to be connected to the first terminal; and a grip member on the second board.

Abstract: To provide a sensor unit that simultaneously displays other information together with a threshold and a physical quantity. A sensor unit causes a dot-matrix display unit to display a threshold and a physical quantity in a first display form and causes the dot-matrix display unit to display, together with the physical quantity and the threshold, additional information (e.g., a power mode) different from the physical quantity and different from the threshold in a second display form. The area of a third display region 303 for the threshold in the second display form is smaller than the area of a second display region 302 for the threshold in the first display form. The area of a fourth display region 304 for the information in the second display form is obtained by reducing the area of the second display region 302.

Abstract: A communication system, first and second device-side connectors and cable-side connectors are configured such that, when the first device-side and first cable-side connector are connected to each other, a communication line connection portion of the first device-side connector and the first cable-side connector are connected to each other, and when the second device-side and second cable-side connector are connected to each other, a communication line connection portion of the second device-side connector and second cable-side connector are connected to each other, and a valid/invalid switching circuit is configured to: in a case where the first and second cable-side connectors are connected to the first and second device-side connectors, respectively, render a connection of a termination resistor to a pair of conductors of an internal communication line invalid; and in other cases, render the connection of the termination resistor to the pair of conductors of the internal communication line valid.

Abstract: A control device of a robot system including a plurality of robots having servo motors of a plurality of axes. The control device includes a plurality of controllers each having a plurality of servo amplifiers that drives the servo motors of the plurality of axes of the robots, and a control unit that controls the plurality of servo amplifiers. The control unit determines a driving number of the servo motors of the plurality of axes in accordance with the robots connected to the controllers, and sets a parameter for the servo amplifiers that drive the axes of the servo motors of a number corresponding to the determined driving number.

Abstract: A control device controls non-excitation-actuated electromagnetic brake operation. The control device includes an electronic component having a characteristic that when an inter-terminal voltage of two electrodes is equal to or higher than a predetermined voltage, a resistance value is lower than when the voltage is lower than the voltage and a diode disposed such that a cathode is on a side having a higher potential than an anode. The coil in the non-excitation-actuated electromagnetic brake and the electronic component are connected in series to form a first series circuit, the first series circuit and the diode are connected in parallel, and the electronic component is connected in series with the coil provided in the non-excitation-actuated electromagnetic brake so as not to be conducted when the inter-terminal voltage is lower than the predetermined voltage, but to be conducted when the inter-terminal voltage becomes equal to or higher than the predetermined voltage.

Abstract: An electronic device includes: a first board configured as a printed circuit board having an electronic circuit component mounted thereon; a second board configured as a printed circuit board having an electronic circuit component mounted thereon; a board-to-board connector configured to electrically connect the first board and the second board, the board-to-board connector including a first terminal on the first board and a second terminal on the second board, the second terminal being configured to be connected to the first terminal; and a grip member on the second board.

Abstract: A control device includes a casing and a control circuit substrate arranged inside the casing. The control circuit substrate includes: a control circuit mounted on the control circuit substrate; an internal connector connectable to a communication cable inside the casing, the communication cable being connected to an expansion circuit substrate; and an external connector connectable to another communication cable outside the casing, the another communication cable being connected to another expansion circuit substrate. The control circuit is connected to the internal connector and the external connector in parallel.

Abstract: A robot controller is a controller configured to control a motor of a robot and includes: a housing accommodating a heat generating part that generates heat; a vent hole that is open on a wall of the housing; a fan configured to supply air, introduced through the vent hole into the housing, to the heat generating part; and a lid part configured to cover the vent hole.

Abstract: A communication system, first and second device-side connectors and cable-side connectors are configured such that, when the first device-side and first cable-side connector are connected to each other, a communication line connection portion of the first device-side connector and the first cable-side connector are connected to each other, and when the second device-side and second cable-side connector are connected to each other, a communication line connection portion of the second device-side connector and second cable-side connector are connected to each other, and a valid/invalid switching circuit is configured to: in a case where the first and second cable-side connectors are connected to the first and second device-side connectors, respectively, render a connection of a termination resistor to a pair of conductors of an internal communication line invalid; and in other cases, render the connection of the termination resistor to the pair of conductors of the internal communication line valid.

Abstract: A casing that can be compatible with plural types of substrates and a method for mounting a substrate to a casing are provided. The casing includes, in the inside of the casing, a substrate support portion and a substrate support body. The substrate support portion has a first support portion that can support a first substrate at a first substrate support position in the casing. The substrate support body has a second support portion that can support a second substrate at the first substrate support position.

Abstract: A robot control device has a drive shaft driven by a servo motor including a non-excited operation type electromagnetic brake, wherein, in a brake release state of the non-excited operation type electromagnetic brake, energization ON and energization OFF of an exciting coil of the non-excited operation type electromagnetic brake are alternately repeated, and at that time at least the timing of the energization ON is deviated between a plurality of exciting coils. It is possible to realize heat generation suppression/energy saving while suppressing generation of noise in the non-excited operation type electromagnetic brake of the robot.

Abstract: An electric product includes a substrate laminate configured by laminating a plurality of electronic circuit substrates with an electronic component on at least one of a front surface and a back surface, wherein the plurality of electronic circuit substrates include one electronic circuit substrate and the other electronic circuit substrate of the two electronic circuit substrates adjacent to each other, and wherein the substrate laminate has a positioning unit for positioning the one electronic circuit substrate and the other electronic circuit substrate to each other when laminating the one electronic circuit substrate and the other electronic circuit substrate to each other. An electric product with a laminate in which a plurality of electronic circuit substrates are laminated can be easily and efficiently manufactured using a robot.

Abstract: A controller includes: a casing having a rectangular solid shape and including a front panel including an intake port, a rear panel including a discharge port and opposed to the front panel, and a heat transfer wall including an opening portion and perpendicular to the front panel and the rear panel; a fan inside the casing that sucks outside air into the casing through the intake port and supply the air to the inside of the casing; a regenerative resistor inside the casing at a position where the regenerative resistor is exposed to the outside through the opening portion of the heat transfer wall, the regenerative resistor being insertable and detachable through the opening portion; electronic parts inside the casing and including a servo amplifier which makes the regenerative resistor consume electric power; and a lid body detachably attached to the heat transfer wall to seal the opening portion.