QJ71C24N RS422 half-duplex connection

[KhaiLun]

Hi,

I am doing a project to extract analog data from Kashiyama pump through RS422 port.

I am using QJ71C24N to establish the connection.

But it encounter error code 7D00.

Can someone help to take a look what go wrong?

[Wasan]

@KhaiLun You have create protocol incorrect should be have start with 0x02 for FCS not to input "FCS" but need to calculate depend on your manual and terminaror should be 0x2A0D