Procon MelCOMMS MINI Installation Manual page 8

3
[Fig. 3]
MelcoBEMS MINI (A1M)
DIP switch configuration
Each MelcoBEMS MINI (A1M) unit must have a
unique address on the RS-485 bus.
The baud rate must be set to 9600.
MelcoBEMS MINI (A1M)
RS-485 resistors
LK1 = Line A pull-up resistor
LK2 = A-B termination resistor
LK3 = Line B Pull-down resistor