[From QnA] WIZ108SR RS485
Serial-to-Ethernet & ConfigTool
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Serial-to-Ethernet & ConfigTool
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RE: [From QnA] WIZ108SR RS485
by jameskim ·
Dear customer,
Please confirm the 485sel pin level when you send the data.
When you send the data, 485sel is switching.(high->low)
Thanks,
WIZnet
RE: [From QnA] WIZ108SR RS485
by jameskim ·
485_SEL Pin is not connected and always Low. When I manually connect to +3.3 and transmit Data, the Data is send out on TXD+/TXD-.
RE: [From QnA] WIZ108SR RS485
by jameskim ·
Dear customer,
Please check the pin 2 of U2:SP3485EN.
Please confirm the pin2 level when you send the data.
When you send the data, pin2 is switching.(high->low)
thanks,
WIZnet
RE: [From QnA] WIZ108SR RS485
by jameskim ·
Pin2 is always low.
For my understanding: Pin2 should switch to high during sending of data and then be low again.