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Hello to all, We are in project which requires that operator from one place, one touchscreen, controls (start-stop, change freqencies etc.) of 36 converyors. All conveyor control same VFD model Danfoss VLT 5000 (software version 3.6). We are using V1210 vision PLC with two RS485 ports. We know that VFD-s are pretty old, and we also do not have much experience with Modbus (RS485)communication. We would ask for advice, project sample, anything that can help if anyone had some experience with Modbus comunication with this type of VFD. In attachment , sample of project where we used RS 485 to control Yaskawa GA 500 VFD, can it function in same way with VLT 5000? We also cannot find adequate documentation about holding registers for this VLT 5000 VFD. Thank you in advance for every help, Best regards. V1210 to VFD VLT 500 with RS485.vlp