• Last time in our Block and Tackle Series on “What is a Linear Actuator?” we identified the general types of mechanisms that are used to move loads in a straight line.  Today’s blog expands on that just a bit with a few more details on the different types used in the motion control world.

  • Question: What is a linear actuator?

    Answer: Quite simply, a linear actuator is a device that moves a load in a straight line.  Linear actuators come in many styles and configurations – our blog post today covers those actuators associated with motion control.

  • Most of the AKD drive’s parameters have a 32bit data size, but some parameters have a 64bit data size.  Modbus communication on the AKD drive uses registers of a 16bit data size.  So for a 64bit parameter, it takes four registers to send the data over Modbus.  There are many devices, including PLC’s, HMI’s, and PC programs that do not handle a 64bit data size.  So what can be done to read and write 64bit values when working with Modbus and a device that only supports 32bit values?

  • Setting up an Ethernet network can be frustrating if you don't understand the basics. A network is just the communication connection between two or more devices. These devices can be computers, PLC's, servo drives, HMI's, sensors, cameras…anything that supports Ethernet communication.

  • Unlike fieldbus communications only being supported by particular models of the AKD servo drive, Modbus TCP communication is supported by all of the AKD models. Whether you have a simple "analog" drive, an indexing drive, or an AKD with BASIC programming, you have the capability of using Modbus communication. It is a simple, easy to use, standard communication protocol that can be used in a PC, PLC, or HMI to talk to any AKD drive.

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