SG-785 Switch Setting
RS-485 Termination Resistance Setting
SW1
SW2
SW3
SW4
Termination Resistance (ohm)
ON
ON
ON
ON
65
ON
ON
ON
OFF
74
ON
ON
OFF
ON
76
ON
OFF
ON
ON
81
ON
OFF
OFF
ON
99
ON
OFF
ON
OFF
96
ON
ON
OFF
OFF
88
ON
OFF
OFF
OFF
120
OFF
ON
ON
ON
144
OFF
ON
ON
OFF
193
OFF
ON
OFF
ON
207
OFF
ON
OFF
OFF
330
OFF
OFF
ON
ON
256
OFF
OFF
ON
OFF
470
OFF
OFF
OFF
ON
560
RS-485 pull-high and pull-low setting
SW5 SW6 RS-485 Data Line Status
OFF OFF No pull-high/pull-low to RS-485 data line
ON
OFF Add a pull high resistor to DATA+ line
OFF ON
Add a pull low resistor to DATA- line
ON
ON
Add a pull high resistor to DATA+ line and add a pull
low resistor to DATA- line
