PowerWalker Modbus Card 2 - Manual (Page 2)

2
Modbus Card Quick Guide
V.2.5
3. Installation and Operation
Follow below steps to install and use this modbus card:
1. Configure Modbus ID (Refer to section 4.1 for the details)
2. Configure communication format (Refer to section 4.2 for the details)
3. Insert this modbus card into intelligent slot
4. Connect modbus card to computer with RJ45 cable, and it is not necessary to turn the UPS
or PV inverter off. (Refer to section 4.5 for the details)
4. Configuration
4.1 Machine ID Configuration
4.2 Communication Format Configuration
Function Bit Setting Meaning
Baud
rate # 2 # 1
OFF OFF 2400bps
OFF ON 4800bps
ON OFF 9600bps
ON ON 19200bps(default)
Parity
check
# 4 # 3
OFF OFF Even parity
ON OFF Odd parity
OFF ON
No parity check 1 stop bits
(Default)
ON ON No parity check 2 stop bits
There are eight bits to present ID of each card.
Use SW1 to set machine ID. From left to right, it’s
8 to 1. As shown, when the switch is pushed
down, the bit is set to “one”. Otherwise, the bit is
set as zero. The ID of modbus card is set to 0x01
as chart. Please check appendix for detailed ID no.
and SW1 setting.