This control system is provided with a controller, a controller which is a loopback communication device, a first communication route, and a second communication route. The controller generates and transmits control frames to slave devices. The controller performs loopback communication of the control frames. In the first communication route, multiple slave devices are connected between the controller and the controller using communication cables. In the second communication route, the first controller and the second controller are connected over a communication cable.

A method and system of robotic arm safety detection based on EtherCAT automation are provided. The method includes: issuing a control data through the protocol module to control the robotic arm to complete an automation operation process by the control system module, and receiving joint data fed back in real-time of the sensor module; acquiring a real-time data of the robotic arm by the data capture module; wherein the real-time data includes protocol data and joint data; the joint data is acquired by the data capture module through the sensor module; performing a protocol data rule matching and physical process detection by the intrusion detection module based on the real-time data, and obtaining an intrusion detection result; wherein the intrusion detection result is configured to detect whether an intrusion behavior occurs during a normal operation of the robotic arm.

The invention relates to a modular conveyor system, comprising multiple individual conveyor modules, wherein an individual conveyor module comprises at least one conveyor device, at least one power supply, at least one actuator for driving the conveyor device, an output unit for the control of the actuator and an integrated control unit, wherein the integrated control unit has a computing unit for processing information and a communications unit, and wherein the communications unit is designed to carry out the communication of the individual conveyor modules with a central control system, on the one hand, and/or the communication of the individual conveyor modules with one another, on the other hand, in such a way that the communication of the individual conveyor modules with one another is implemented at two logical communication levels. The invention further relates to a method for controlling modular conveyor systems.

An Ethernet I/O card (EIOC) scanner device facilitates configuration of a process control system to enable improved integration of EIOC-enabled field devices (and associated field device variables) into the process control system. Specifically, the EIOC scanner may: (i) analyze decoder files for EIOC-enabled field devices to automatically identify field device variables that the EIOC-enabled field devices are configured to transmit or receive; and (ii) quickly and easily facilitate a configuration of the process control system to integrate into the process control system the EIOC-enabled field devices and any associated field device variables identified by the EIOC scanner.

This control system is provided with a plurality of slave devices and controllers. The controller is connected to one end of a field bus which includes the plurality of slave devices that is linearly connected, and the controller is connected to the other end of the field bus through a communication cable. The controllers are provided with a CPU and a transception part. One of the controllers generates a control frame with the CPU and transmits this from the transception part, and the other of the controllers performs a loop communication of the control frame by the transception part.

A system is provided to conduct communication in a facility with equipment in hazardous and safe areas. The system includes at least one field device in a hazardous area of the facility; one or more controllers, located in a safe area of the facility, for managing the at least one field device; and a field barrier, between the safe and hazardous areas, to limit at least electrical energy, which is supplied to the at least one device, at or below an electrical energy threshold in the hazardous area. The system also includes a bus system to supply electrical energy across the field barrier to the at least one field device using electrical wiring and to enable communication between the at least one field device and the one or more controllers across the field barrier using one or more fiber optic cables.

An Ethernet I/O card (EIOC) scanner device facilitates configuration of a process control system to enable improved integration of EIOC-enabled field devices (and associated field device variables) into the process control system. Specifically, the EIOC scanner may: (i) analyze decoder files for EIOC-enabled field devices to automatically identify field device variables that the EIOC-enabled field devices are configured to transmit or receive; and (ii) quickly and easily facilitate a configuration of the process control system to integrate into the process control system the EIOC-enabled field devices and any associated field device variables identified by the EIOC scanner.

A communication system includes a plurality of controlled devices each including communication IFs compliant with EtherCAT standards; network connected to communication IF of each of controlled devices, network connected to communication IF of each of controlled devices; control apparatus capable of sending out first control data for controlling controlled devices to network; control apparatus capable of sending out second control data for controlling controlled devices to network; and main control apparatus that performs first control that causes control apparatus to send out the first control data. Main control apparatus further performs second control that causes control apparatus to send out the second control data when the sent first control data fails to reach at least one of controlled devices.

A method and system for communication between a motor controller and an analytic module includes a Single Pair Ethernet interface with power supplied over the two data lines. The analytic module, in turn, connects to a motor or other devices proximate the motor. The analytic module receives input signals from the motor or different types of sensors or devices. A processing unit in the analytic module may perform some initial processing on the incoming data. The processing unit is configured to transmit either the raw input signals or processed data via the Single Pair Ethernet connection back to the motor controller or to other controllers in the system with the motor controller acting solely as a pass-through gateway. The analytic module unit may be configured to transmit data at different update rates. One of the update rates may be synchronized to an update period in the motor controller.

A control device includes a first processor that acquires a synchronization signal that is generated every first period, and a second processor that generates a second period that is obtained by dividing the first period by n (n≥1), generates a control signal, using a timer, every third period that is obtained by dividing the second period by m (m≥2), where at least one of a plurality of control signals generated in the first period is a control signal that should be synchronous with the synchronization signal, and in a case where occurrence of an error between timings of the synchronization signal and the control signal that should be synchronous with the synchronization signal is detected, the second processor corrects the error by temporarily changing a width of the timer that is to be started at next and later times.