PLC Gateway Configuration

Configuration Guide

PLC Configuration:

• name: Unique name for the PLC
• ip: IP address of the PLC
• rack: Rack number (usually 0)
• slot: Slot number (usually 1 for S7-1200)

Data Area Configuration:

• name: Name of the data area
• type: read, write, or read_write
• db_number: DB number (e.g., 100 for DB100)
• offset: Starting byte offset
• size: Size in bytes
• structure (optional): Define how to parse the data

Example:

{
  "plcs": [
    {
      "name": "PLC1",
      "ip": "192.168.0.10",
      "rack": 0,
      "slot": 1,
      "areas": [
        {
          "name": "DB100_Read",
          "type": "read",
          "db_number": 100,
          "offset": 0,
          "size": 4000,
          "structure": [
            {"name": "temperature", "type": "real", "offset": 0},
            {"name": "pressure", "type": "int", "offset": 4}
          ]
        }
      ]
    }
  ]
}