Posted 2 Nov 2018 Dear sir, i want sample program for modbus tcp for q series plc Share this post Link to post Share on other sites
Posted 2 Nov 2018 (edited) @MR.VK as @Gambit said you should register at https://eu3a.mitsubishielectric.com/fa/en/mymitsubishi first then go to Downloads -> Program Example and find for Modbus Example function. After you login please go to these links QJ71C24N Modbus RTU Master https://eu3a.mitsubishielectric.com/fa/en/mymitsubishi/download_manager?id=8638 QJ71C24N Modbus RTU Slave https://eu3a.mitsubishielectric.com/fa/en/mymitsubishi/download_manager?id=8638 QnUDE Modbus TCP Client/Server https://eu3a.mitsubishielectric.com/fa/en/mymitsubishi/download_manager?id=9097 https://eu3a.mitsubishielectric.com/fa/en/mymitsubishi/download_manager?id=9047 But if this is new project I recommend that you should use QJ71MB91 for Modbus RTU and QJ71MT91 for Modbus TCP for easier configuration. For QJ71MT91 you can config Modbus TCP by setting parameter as shown in this link at page 116 - 119 for Client(Master) (in GX Works 2 at Automatic_Communication_Parameter) and at page 120 - 130 for Server(Slave) (in GX Works 2 at MODBUS_Device_Assignment_Parameter). http://dl.mitsubishielectric.com/dl/fa/document/manual/plc/sh080446eng/sh080446engh.pdf Edited 2 Nov 2018 by Wasan Share this post Link to post Share on other sites
