MODBUS RS485 Connection Introduction - FAQ5

1.

BMS Connection Introduction
Page 1

2.

General introduction
BMS connection
Page 2

3.

General introduction
• Provide Modbus RS485 for standard
• Customized Bacnet
• Test by Modscan & BACnetScan
• Check communication port on circuit diagram (X-/Y+/A-/B+)
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4.

General introduction
BMS connection
Page 4

5.

BMS communication
• Communication port COM3
• Connect to main board directly (Remove M-Cloud cable)
• Set serial port on HMI
Page 5

6.

BMS communication
• Check COM port on laptop
• Set same serial port
• Length < 20, 03:HOLDING REGISTER
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7.

BMS communication
• Communication
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8.

BMS communication
• Change unit
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9.

Thank You!
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