This could be caused by a loose or bad RS485 wire or by unsupported features. A few of these is normal, a lot could indicate a problem. If no response is received to a heartbeat message, lines 3 and 4 ...

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Cable harness design is a critical yet often overlooked aspect of electronics design, just as essential as PCB design. While ...

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RS485 Wiring: Pay attention to A/B polarity on RS485 connections Power Supply: Ensure adequate power supply for all relays Grounding: Make sure all grounds are properly connected Measurement ...