Modbus is the open field network with Modbus Protocol installed. Modbus is used widely in field of factory and process automation because its protocol specification is open to the public and it is very simple.
Motor control via Modbus (RTU) communication can detect the status of the motor/actuator directly by data. This results in a shorter development period and increased reliability and service live of the equipment. Modbus (RTU) communication you can simplify siring, reduce man-hours and improve maintenance and performance.
Modbus is a registered trademark of Schneider Automation Inc.
Increased productivity is sought in manufacturing plants. At the same time, it is imperative to continue utilizing the knowledge of human experience through the use of Artifi cial Intelligence (AI). In order to use AI, it is important to collect, digitize and analyze the day to day “changes in conditions". Oriental Motor has created a wide lineup of products capable of outputting the various changes in conditions of motors.
In order to detect early signs of failure, it is important to monitor changes in operating conditions daily. One way to do this is to visualize position displacement due to fluctuation in temperature and operation time. This video demonstrates how the AZ Series works with an IoT setup to continuously monitor feedback information. Using this information, overall health of components can determined and manufacturing and productivity can be improved.
Oriental Motor offers industrial network communication products under the FLEX concept, meaning each product is equipped with an interface that connects to various industrial networks and master controllers featuring I/O; such as PLC, HMI or serial communication such as RS-485 / Modbus (RTU).
FLEX is the generic name for products that are used for Factory Automation (FA) network control via I/O control, Modbus (RTU) control, or a network converter. FLEX products enable easy connection, easy control, and reduce the complexity of system configuration.
Operating data is set in the driver and the operating data is selected and executed from the master controller. Connection and control with the master controller is done through either:
The functions of a positioning module (pulse generator) are built into the driver allowing it to be connected directly to a controller or PLC to configure an operating system with I/O. Since no positioning module is required on the PLC side, space is saved and the system is simplified.
2. Modbus (RTU) / RS-485
Operating data, parameter settings or operation commands can be input via RS-485 communication. A maximum of 31 drivers can be connected to one serial communication module. There is also a function for simultaneously starting multiple axis. The protocol is compatible with Modbus (RTU) and can be connected to a touch screen (HMI), PC, etc.
3. Factory Automation (FA) Network
By using a network converter (sold separately), CC-link or MECHATROLINK communication are possible. Operating data, parameter settings or operation commands can be easily input.
Since operating data is set in the driver, the motor can start and stop with hand switches.
Easy control without the use of a PLC is possible.
Operating data is set in the driver, allowing it to be connected directly to a PLC to select the motion profile. Since no positioning module is require on the PLC side, space is saved and the system is simplified.
The motor normally starts and stops via I/O, and Modbus (RTU) communication is used when setting the alarm and operating data.
Setting changes as well as monitor and alarm displays are performed on the touch screen.
If multiple configurations exist, parameters can be entered on the touch screen, reducing the burden of combining programs or sequences.
Operating data, parameter settings or operation commands can be input via RS-485 communication.
A maximum of 31 drivers can be connected to one serial communication module. There is also a group sending function for simultaneously starting multiple axis. The protocol is compatible with Modbus (RTU) and can be easily controlled via PLC, etc.
Operating data, parameter settings or operation commands can be input by inserting it into an RS-485 communication board on a PC. No changes are required to your serial communications board.
By using Modbus (RTU) communication, connection can be made directly to a touch screen (HMI).
Operating data, parameter settings, alarm history, test drive, etc. can be used, allowing the motor to be controlled without the added cost of a PLC or computer.
By using a network converter (sold separately), CC-link communication, MECHATROLINK communication and EtherCat communication are possible. Operating data, parameter settings or operation commands can be input via various types of communication. Since it can flexibly accommodate the networks specified by the end user, design time is shortened.
This function simultaneously starts multiple axis in Modbus (RTU) communication and the Factory Automation (FA) network. Multiple drivers are grouped together, and when operation commands are sent to that group's parent, all of the drivers belonging to the same group are operated.
Products that can be connected to Modbus (RTU) communication.
*Network compatible drivers required for network communication.
The Robot Operating System (ROS) is a set of software libraries and tools that help you build robot applications. Modbus RTU device control can be achieved simply by distributing ROS messages. Use this material to simplify setup between ROS and a Modbus RTU node.
*Please prepare the conversion cable necessary for connecting the ROS main unit and the PC.
*This document is intended for those with ROS and Linux expertise. Inquiries about installing and using ROS and Linux are not supported.
You can download ROS nodes, manuals and sample code.
BLE series RS-485 communication type
BLH series RS-485 communication type
BLV series R type
AZ series built-in controller type with RS-485 Communication
AZ series mini driver DC power input
AR series built-in controller type
RKII series built-in controller type
CVD series RS-485 communication type
*Some of these drivers are also used with our linear and rotary electric actuators, such as the EZS Series and DGII Series.
ROS Operating Environment
Target OS: Ubuntu 20.04 LTS (Linux)
ROS distribution: Noetic Ninjemys
ROS version: 1.15.14
ROS2 Operating Environment
Target OS: Ubuntu 22.04 LTS (Linux)
ROS distribution: Humble Hawksbill
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