Eddy DK Programmer Guide
2.4.2.5. S8:COM3 & S9: COM4 Select
COM Port #3 and COM Port #4 set the RS422/RS485 mode.
RS422(RX enabled)
RS485 echo-mode
RS422 Termination Resistor
not connected
RS422 Termination Resistor
Connected
RS485 Termination Resistor
not connected
RS422 Termination Resistor
Connected
RS422(RX enabled)
RS485 echo-mode
RS422 Termination Resistor
not connected
RS422 Termination Resistor
Connected
RS485 Termination Resistor
not connected
RS422 Termination Resistor
Connected
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