MPP Solar RS485 - 3. Configuration; 3-1. Communication Format Configuration

3
BMS RS-485 Card/Box Quick Guide
V.1.3
RS485 box:
 RS-485 communication port
 12V DC input: 12V DC/1A power source for communication card
* It’s necessary to have 12VDC power source. Please purchase an AC/DC adapter
separately.
 RS-232 communication port
3. Configuration
3-1. Communication Format Configuration
*It’s request to use 9600bps baud rate and no parity check1 stop bit if
communicating with BMS. The Bit setting for # 1 is OFF, # 2 is ON, # 3 is ON, #
4 is OFF.
Function
Bit Setting
Meaning
Baud
rate
# 2
# 1
OFF
OFF
2400bps
OFF
ON
4800bps
ON
OFF
9600bps*(Default)
ON
ON
19200bps
Parity
check
# 4
# 3
OFF
OFF
Even parity
ON
OFF
Odd parity
OFF
ON
No parity check 1 stop bit
(Default)
ON
ON
No parity check 2 stop bits