ModbusRequest class abstract

The base Modbus request

For each Modbus request, a PDU response function code + 0x80 means the request has an exception. The ModbusResponseCode defines possible modbus Exception.

Exception response PDU

BYTE - Function Code + 0x80 BYTE - Exception Code

Implementers

Constructors

ModbusRequest({int? unitId, Duration? responseTimeout})

Properties

functionCode → FunctionCode
no setter
hashCode → int
The hash code for this object.
no setterinherited
protocolDataUnit → Uint8List
no setter
responseCode → Future<ModbusResponseCode>
no setter
responsePduLength → int
no setter
responseTimeout → Duration?
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
unitId → int?
final

Methods

internalSetFromPduResponse(Uint8List pdu) → ModbusResponseCode
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
reset() → void
setFromPduResponse(Uint8List pdu) → void
setResponseCode(ModbusResponseCode code) → void
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited