Base class which implements Modbus data and control functions.
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Class 0 Modbus Functions |
| | writeMultipleRegisters (integer slaveAddr, integer startRef, word &*regArr) |
| | Modbus function 16 (10 hex), Preset Multiple Registers/Write Multiple Registers.
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| | writeMultipleLongInts (integer slaveAddr, integer startRef, integer &*int32Arr) |
| | Modbus function 16 (10 hex) for 32-bit long int data types, Preset Multiple Registers/Write Multiple Registers with long int data.
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| | writeMultipleMod10000 (integer slaveAddr, integer startRef, integer &*int32Arr) |
| | Modbus function 16 (10 hex) for 32-bit modulo-10000 long int data types, Preset Multiple Registers/Write Multiple Registers with modulo-10000 long int data.
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| | writeMultipleFloats (integer slaveAddr, integer startRef, single &*float32Arr) |
| | Modbus function 16 (10 hex) for 32-bit float data types, Preset Multiple Registers/Write Multiple Registers with float data.
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| | readMultipleRegisters (integer slaveAddr, integer startRef, word &*regArr) |
| | Modbus function 3 (03 hex), Read Holding Registers/Read Multiple Registers.
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| | readMultipleLongInts (integer slaveAddr, integer startRef, integer &*int32Arr) |
| | Modbus function 3 (03 hex) for 32-bit long int data types, Read Holding Registers/Read Multiple Registers as long int data.
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| | readMultipleMod10000 (integer slaveAddr, integer startRef, integer &*int32Arr) |
| | Modbus function 3 (03 hex) for 32-bit modulo-10000 long int data types, Read Holding Registers/Read Multiple Registers as modulo-10000 long int data.
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| | readMultipleFloats (integer slaveAddr, integer startRef, single &*float32Arr) |
| | Modbus function 3 (03 hex) for 32-bit float data types, Read Holding Registers/Read Multiple Registers as float data.
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Class 1 Modbus Functions |
| | readCoils (integer slaveAddr, integer startRef, boolean &*bitArr) |
| | Modbus function 1 (01 hex), Read Coil Status/Read Coils.
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| | readInputDiscretes (integer slaveAddr, integer startRef, boolean &*bitArr) |
| | Modbus function 2 (02 hex), Read Inputs Status/Read Input Discretes.
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| | readInputRegisters (integer slaveAddr, integer startRef, word &*regArr) |
| | Modbus function 4 (04 hex), Read Input Registers.
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| | readInputLongInts (integer slaveAddr, integer startRef, integer &*int32Arr) |
| | Modbus function 4 (04 hex) for 32-bit long int data types, Read Input Registers as long int data.
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| | readInputMod10000 (integer slaveAddr, integer startRef, integer &*int32Arr) |
| | Modbus function 4 (04 hex) for 32-bit modulo-10000 long int data types, Read Input Registers as modulo-10000 long int data.
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| | readInputFloats (integer slaveAddr, integer startRef, single &*float32Arr) |
| | Modbus function 4 (04 hex) for 32-bit float data types, Read Input Registers as float data.
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| | writeCoil (integer slaveAddr, integer bitAddr, boolean bitVal) |
| | Modbus function 5 (05 hex), Force Single Coil/Write Coil.
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| | writeSingleRegister (integer slaveAddr, integer regAddr, word regVal) |
| | Modbus function 6 (06 hex), Preset Single Register/Write Single Register.
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| | readExceptionStatus (integer slaveAddr, byte &statusByte) |
| | Modbus function 7 (07 hex), Read Exception Status.
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Class 2 Modbus Functions |
| | forceMultipleCoils (integer slaveAddr, integer startRef, boolean &*bitArr) |
| | Modbus function 15 (0F hex), Force Multiple Coils.
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| | maskWriteRegister (integer slaveAddr, integer regAddr, word andMask, word orMask) |
| | Modbus function 22 (16 hex), Mask Write Register.
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| | readWriteRegisters (integer slaveAddr, integer readRef, word &*readArr, integer writeRef, word &*writeArr) |
| | Modbus function 23 (17 hex), Read/Write Registers.
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Protocol Configuration |
| | setTimeout (const integer timeOut) |
| | Configures time-out.
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| integer | getTimeout () |
| | Returns the time-out value.
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| | setPollDelay (const integer pollDelay) |
| | Configures poll delay.
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| integer | getPollDelay () |
| | Returns the poll delay time.
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| | setRetryCnt (const integer retryCnt) |
| | Configures the automatic retry setting.
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| integer | getRetryCnt () |
| | Returns the automatic retry count.
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| integer | timeout |
| integer | pollDelay |
| integer | retryCnt |
| boolean | bigEndianInts |
| boolean | swappedFloats |
Transmission Statistic Functions |
| cardinal | getTotalCounter () |
| | Returns how often a message transfer has been executed.
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| resetTotalCounter () |
| | Resets total message transfer counter.
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| cardinal | getSuccessCounter () |
| | Returns how often a message transfer was successful.
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| resetSuccessCounter () |
| | Resets successful message transfer counter.
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Word Order Configuration |
| | configureBigEndianInts () |
| | Configures int data type functions to do a word swap.
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| | configureSwappedFloats () |
| | Configures float data type functions to do a word swap.
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| | configureLittleEndianInts () |
| | Configures int data type functions not to do a word swap.
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| | configureIeeeFloats () |
| | Configures float data type functions not to do a word swap.
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Public Member Functions |
| | ~TMbusMasterFunctions () |
| | Destructor.
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| boolean | isOpen () |
| | Returns whether the protocol is open or not.
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| closeProtocol () |
| | Closes an open protocol including any associated communication resources (COM ports or sockets).
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| string | getPackageVersion () |
| | Returns the package version number.
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