In some problems, we may have to leave the HMI very far from the PLC, so choosing the standard RS-485 communication is a suitable choice (distance up to 1200m). Today plc247.com will guide you to connect PLC Keyence (Module KV-L21V) with HMI Weintek MT8071iE by RS-485
Connection diagram of KV-L21V and MT8071iE
Video instructions for connecting KV-L21V and MT8071iE
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