Fd-q32c Manual !new! -
This is where the FD-Q32C manual becomes indispensable. Mistaking a signal wire for a power wire can destroy the unit. Below is a generic terminal guide (always verify with your specific manual version):
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Always use shielded twisted-pair cables for the RS-485 lines. Connect the shield drain wire to the "FG" (Frame Ground) terminal, but only on one end to prevent ground loops. This is where the FD-Q32C manual becomes indispensable