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No input/output pins document

2026-10-28 09:41:54 Ask

Hi

Just received the order of this product.  But I can't find where is input/output pins defination document.

fr.wu@auckland.ac.nz
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Industrial Modbus RTU RS485 8-ch 30A High Current Relay Module (E) With Digital Input
Price: $47.69
Part Number： Modbus-RTU-Relay-E
Brand: SpotPear
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