User`s manual

- 14 -
System Conguration
SW4/5, SW8/11, SW9/10
Function: RS-232/422/485 mode selectors for COM3~4
Setting: SW4, 8, 9 control COM3; SW5, 11, 10 control COM4. User must set
the same group of switches to the same mode simultaneously.
Pin
SW4/5 SW8/11
RS-232
(default)
RS-422
mode
RS-485
mode
RS-232
(default)
RS-422
mode
RS-485
mode
1 ON OFF OFF OFF ON ON
2 OFF ON OFF OFF ON ON
3 OFF OFF ON OFF ON OFF
4 ON OFF OFF OFF ON OFF
1
ON
2 3 4
1
ON
2 3 4
KE
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
1
ON
2 3 4
KE
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
1
ON
2 3 4
KE
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
1
ON
2 3 4
KE
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
1
ON
2 3 4
KE
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
1
ON
2 3 4
KE
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
1
ON
2 3 4
KE
Pin
SW9/10
RS-232 mode (default) RS-422/RS-485 mode
1 ON
1
ON
2 3 4 5 6 7 8
KE
1
ON
2 3 4 5 6 7 8
KE
OFF
1
ON
2 3 4 5 6 7 8
KE
1
ON
2 3 4 5 6 7 8
KE
2 ON OFF
3 ON OFF
4 ON OFF
5 ON OFF
6 ON OFF
7 ON OFF
8 ON OFF