Weintek modbus rtu
Weintek COM3 RS485 port Twido 8 pin miniDIN portĪccording to my opinion, everything is to be watched from soldering side. Connecting these pins tells Twido that we are using the port for MODBUS and not for the protocol used for programming the PLC. Weintek COM1 RS485 port Twido 8 pin miniDIN port com/MT8000 /eng/UserM anual/plc_ connection _guide.pdf. Here is a link to the wiring diagram, but I include it as a text also: ftp://ft p.weintek. Here are the wiring schematics of both cables: I made two cables one after another, to test things out, but neither of them worked for the communication.
WEINTEK MODBUS RTU PDF
I followed the "Modicon Twido" wiring diagram in the PLC connection guide PDF which comes with the installation of the Weintek Software.
![weintek modbus rtu weintek modbus rtu](https://plc247.com/wp-content/uploads/2021/07/mt8071ie-modbus-rtu-ls-ig5a.jpg)
Link configuration – using the same settings above for baudrate, parity, etc., calling the network "PLC->HMI".Twido Port configuration – Modbus, Address is the address, therefore we set to 5 as we did in Weintek Software).Here are the settings I adjusted in TwidoSuite: In TwidoSuite, in addition to the PLC and its expansions, I added a "General Modbus Element" which is actually the Weintek HMI. First COM1, then COM3 with the settings above for baudrate, parity, etc.PLC device number: 5(This is used as address for the Modbus communication).Here is some specification of both devices in order to clarify how should things work: I just want to explain everything in a very descriptive manner so everyone understand what I have tried to do and probably understand why it's not working . I admit the post is little longer at a glance, but if you take a closer look, it mainly includes settings. I have troubles establishing communication between Weintek MT6070iH and Schneider(Modicon) Twido.