Examples

Supported data types

Bit
UInt8
SInt8
UInt16
SInt16
UInt32
SInt32
Float32
Float64
SInt48
UInt48
SInt64
UInt64

Supported Modbus functions

Function Code
ReadCoils 1
ReadDiscreteInputs 2
ReadHoldingRegister 3
ReadInputRegister 4
Function Code
WriteSingleCoil 5
WriteMultipleCoils 15
WriteSingleRegister 6
WriteMultipleRegisters 16
modbus-params.txt
 --sourceType MervisDb 
 --projId ecd6fa5d-78c1-4120-9b11-23521bee7688
 --projName "AnyNameWouldDoModbus" 
 --projTimeZone "Europe/Prague" 
--mdbConnStr "rcwaredb://uuuuuser:ppppasword@db.mervis.info:443/?protocol=https,endpoint=RcWareDbHttpsAccess,uriaccess=db/imports5/RcWareDbAccess" 
--mdbDpNameKey {FixedName}
--mdbSourceKeys "(Root|ahoj|true)"
 --mdbTreeLevelKeys Level1/Level2
 --outputDirectory ecd6fa5d-78c1-4120-9b11-23521bee7688
 --useDbV2
 --mdbUnitKey Unit 
 --mdbExportOnlyIdKeys 
 
 --dbWriteModeOn
 --dbWriteModeSamplingInterval 180
 --dbEnableWriteFromDriver
 --dbWriteModeDecimals 2
 --notSortDataPoints
 --dpVisualDecimals 2
 --mdbReadGroupUpdateInterval 10
  • A well formatted mapping file needs to be created
  • Go to https://generator.mervis.info, select mapping file and past parameters (or select .txt file)
    • Important
      • Use unique GUID for a new project
      • Use correct Mervis DB info
        • Working DB URL
        • User name, password
        • Unique “Root” key for each project
params.txt
 --sourceType MervisDb 
 --projId e519e6ab-3971-4504-ba2a-9db81c723c1e
 --projName "ExampleMervisDb"
 --projTimeZone "Europe/Prague" 
 
 --mdbConnStr "rcwaredb://uuuuuser:ppppasword@db.mervis.info:443/?protocol=https,endpoint=RcWareDbHttpsAccess,uriaccess=db/imports5/RcWareDbAccess" 
 --mdbDpNameKey {FixedName}
 --mdbSourceKeys "(Root|ahoj|true)"
 --mdbTreeLevelKeys Level1/Level2
 --outputDirectory e519e6ab-3971-4504-ba2a-9db81c723c1e
 --useDbV2
 --mdbUnitKey Unit 
 --mdbExportOnlyIdKeys 
 --dbWriteModeOn
 --dbEnableWriteFromDriver
 --dbWriteModeDecimals 4
 --dpVisualDecimals 3
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