Instructions
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ERC-1005
RS-232/RS-422/RS-485 mode selection for COM port
RS-232/RS-422/RS-485 mode selection for COM4 (IO board)
Mode Selection
Pin Setting
RS-232
(Default)
RS-422
RS-485
1 / ON OFF
2 / OFF ON
3 / ON ON
SW1
4 / NC NC
1 / OFF ON
2 / OFF ON
3 / NC NC
SW2
4 / NC NC
1 ON OFF OFF
2 OFF ON ON
3 NC NC NC
SW3
4 NC NC NC
1 / ON ON
2 / ON OFF
3 / ON ON
SW4
4 / ON OFF
1 ON OFF OFF
2 OFF ON ON
3 ON OFF OFF
SW1 ~ SW5
SW5
4 OFF ON ON