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Modbus

Step 1. Create Modbus Node

1 Set node name
2 Add new lumitiomodbus-broker

Step 2. Configure Modbus Connection

Name Set the module name
Type Serial Basic:
Serial Port – /dev/ttyS2 Correspond to X30 COM or /dev/ttyS3 Correspond to X31 COM
Serial type – RTU or ASCII
Serial Baud rate – default 9600

Serial Expert:
Databits
Stopbits
Parity
Connection delay – time to delay first command sending after reconnect

TCP:
Host – IP address
Port – default 502
Unit-ID default 1
FC Modbus Function Code
Poll rate Default 1 second
Time between queries ms wait between consecutive queries
Timeout ms for the command timeout on ModbusRTU command
Reconnect timeout Time to wait on reconnect before next sending

Step 3. Add Variables

Address Variable addresses format:
<data type><byte offset>
Supported data types:
REAL – signed float
INT – signed 16-bit integer
DINT – signed 32-bit integer
UREAL – unsigned float
UINT – unsigned 32-bit integer
X – binary
Address examples:
REAL0 – Read a single real value in offset 0
INT12 – Read a single integer value in offset 12
X12 – Read a single binary value in offset 12
Name Variable Name

Step 4. Now that you created your node go to Cloud Connector and start sending data to the cloud.

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