Kabushiki Kaisha Yaskawa Denki

Isamu Matsumura

Toshinobu Kira

Junya Hisamatsu

Tadashi Okubo

Hirotaka Niimi

Yusuke Tanaka

Hidetsugu Koga

Tomofumi Nishiyama

Yasufumi Yoshiura

Yasuhiro Matsutani

Junichi Watanabe

Takaaki Shogaki

Minoru Koga

Yu Katono

Tatsuhiko Satou

Kunihiko Ogawa

Wataru Nozaki

Tetsuya Asai

Manabu Fujita

Go Yamazaki

Ryo Ota

A communication system includes a master device, a connector, a superordinate trunk cable connecting the master device and the connector, a superordinate slave device connected to the connector, a subordinate slave device, and a subordinate trunk cable connecting the connector and the subordinate slave device. The connector includes a superordinate power line via which power is supplied from the master device, a power branching unit to divide the superordinate power line into a first power line connected to the superordinate slave device and a second power line connected to the subordinate slave device, a superordinate signal line via which communication data between the master device and the superordinate slave device is configured to be transmitted, and a subordinate signal line via which communication data between the superordinate slave device and the subordinate slave device is configured to be transmitted.

Communication system and connector

A motor control system includes host control circuitry configured to generate a first control command; a plurality of motor control apparatuses configured to control a plurality of motors, respectively, based on the first control command; and reference information output circuitry configured to output reference information to one of the plurality of motor control apparatuses which is configured to control one of the plurality of motors. The reference information relates to control of the plurality of motors. Each of the plurality of motor control apparatuses corresponds to a corresponding motor among the plurality of motors and includes information sharing circuitry configured to share the reference information among the plurality of motor control apparatuses via data communication; command conversion circuitry configured to convert the reference information into a second control command; and motor control circuitry configured to control the corresponding motor based on the second control command.

Motor control system, motor control apparatus, and motor control method

A multi-axis control adjustment apparatus includes adjustment axis selection circuitry configured to select a plurality of target axes among a plurality of axes each of which represents a combination of a motor and a motor control device configured to control the motor according to a control parameter of the motor control device, adjustment operation execution circuitry configured to perform adjustment operations in each of which the control parameter is adjusted with respect to each of the plurality of target axes, and first control parameter setting circuitry configured to change, according to the adjustment operations, timing at which the control parameter is set with respect to each of the plurality of target axes.

Multi-axis control adjustment apparatus, multi-axis control adjustment system, and multi-axis control adjustment method

Provided is a production system including: a first industrial machine; and a second industrial machine configured to periodically communicate to and from the first industrial machine. The second industrial machine is configured to transmit its data to the first industrial machine through use of each of a plurality of periodic regions included in one period.

Production system, communication method, and information storage medium

A distributed motor control system includes motor control devices that individually control motors that coordinately drive an industrial machine. Each of at least two motor control devices of the motor control devices includes processing circuitry that performs sharing processing including sharing coordinated control data, used in coordinated driving of the industrial machine between the at least two motor control devices, via data communication, and control a corresponding motor using the coordinated control data shared via the sharing-processing.

Distributed motor control system, motor control device, and distributed motor control method

A motor control apparatus () according to the present disclosure is configured to control motors (#-#), automatically acquire identification information of a plurality of encoders (#-#), the encoders (#-#) being configured to be connected in series under a control of the motor control apparatus () and to detect position information of the motors (#-#) or position information of a mechanical apparatus configured to be driven by the motors (#-#), and store the identification information and the motor control unit in a non-volatile memory () in association with each other.

Motor control apparatus, motor control method, and motor control system

A slave device includes a first connector, a second connector, a switch, and a communication circuit. The switch is alternatively connectable to the first connector or the second connector according to a connection way via which the slave device is connected to a master device and another slave device. The communication circuit is connected to the first connector and the switch. The communication circuit is configured to transmit and receive a first communication signal to and from the first connector, and is configured to transmit and receive a second communication signal to and from the switch.

Slave device and communication system

A motor control system includes motor control apparatuses and position detectors. Each of the motor control apparatuses is configured to control at least one of the motors. The position detectors each of which corresponds to each of the motors and each of which is configured to detect position information of each of the motors. All of the plurality of position detectors are connected in series under a control of a first motor control apparatus among the motor control apparatuses. The first motor control apparatus is configured to transfer the position information of the motors read out from the position detectors to other motor control apparatuses among the motor control apparatuses.

Motor control system, control method, and motor control apparatus

A motor control system includes a mechanical apparatus configured to be driven by a motor, a position detector configured to detect position information of the motor, circuitry configured to control the motor, at least one sensor configured to detect information relating to at least one of the mechanical apparatus and the motor, and an input and output device including input-and-output connectors. The position detector and the input and output device are connected to the circuitry through a same communication path. The at least one sensor is connected to the input-and-output connectors of the input and output device. The position information is configured to be transmitted from the position detector to the circuitry. The information relating to the at least one of the mechanical apparatus and the motor is configured to be transmitted from the at least one sensor to the circuitry through the input and output device.

Motor control system and input and output device

An industrial communication system includes multiple industrial instruments connected in series and including a first industrial instrument and a second industrial instrument connected to the first industrial instrument. The first industrial instrument includes a first storage that stores a first communication setting that is applicable to communication established between the industrial instruments, first reception circuitry that receives, based on the first communication setting stored in the first storage, a first signal from the second industrial instrument of the industrial instruments, a second storage that stores a second communication setting that is applicable to the communication established between the industrial instruments and that is a predetermined communication setting common to each of the industrial instruments, and second reception circuitry that receives, based on the second communication setting stored in the second storage, a second signal including at least a part of the first signal received by the first reception circuitry.

Industrial communication system, industrial instrument, and industrial communication method

A motor control system includes a motor, and motor control circuitry that controls driving electric power for the motor based on a driving state quantity of the motor, and upon input of a safety request signal from outside the motor control circuitry, monitors a relationship between a driving state quantity and an operation monitor pattern selected from multiple kinds of operation monitor patterns using multiple simultaneously functioning safety function software modules.

Motor control system, motor controller, and method for setting safety function

A motor control system includes an encoder, and motor control circuitry. The encoder includes a first disk and a second disk which are mounted to a rotation shaft of a motor, a first rotation position detection sensor that detects a rotation position in one rotation of the rotation shaft of the motor from the first disk, a second rotation position detection sensor that detects a rotation position in one rotation of the rotation shaft of the motor from the second disk, and transmission circuitry that transmits first safety data, which includes first rotation position data indicating the rotation position detected by the first rotation position detection sensor and second rotation position data indicating the rotation position detected by the second rotation position detection sensor, and the control circuitry compares the rotation position included in the first rotation position data and the rotation position included in the second rotation position data.

Motor control system, control method, encoder, and motor controller

A motor control program transferring system includes: an upper control device including a memory storing motor control program(s) that are executable on motor control device(s) and circuitry which performs assigning operation(s) that assigns unique identification information to the motor control device(s) and transfers the motor control program(s) to the respective motor control device(s) to which the respective unique identification information has been assigned; motor control device(s) which communicates with the upper control device, the motor control device(s) each including a volatile memory, and a storage; and switching circuitry which enables communication between a first one of the motor control devices and the upper control device during initial state and switch on communication between a second one of the motor control devices and the upper control device after a respective unique identification information is assigned to the first motor control device. The motor control devices each having initially designated identification information.

Motor control program transferring system, host controller, motor control device, and motor control program transferring method

A motor control device includes circuitry which reads a command value in synchronization with a control period, reads an output of an encoder connected to a motor, controls an output current to the motor based on the command value and the output of the encoder, and offsets a timing for reading the output of the encoder with respect to a timing for reading the command value.

Motor control device, motor control system and motor control method

A multi-axis motor driving apparatus includes: a plurality of drivers individually connected to corresponding ones of the plurality of motors, for supplying electric power to the corresponding ones of the plurality of motors for driving; and an integrated controller for sequentially supplying electric power to the plurality of motors via the plurality of drivers, and based on detection signals of the encoders, determining for each driver whether or not there is miswiring of at least either of a motor wire that connects one of the plurality of drivers to one of the plurality of motors or a detector wire from the encoder.

Growing community of inventors

Kitakyushu, Japan

Isamu Matsumura