MbusDataTableInterfacereadInputRegistersTable Method |
Override this method to implement a Data Provider
function to read Input Registers.
Namespace:
FieldTalk.Modbus.Slave
Assembly:
FieldTalk.Modbus.Slave (in FieldTalk.Modbus.Slave.dll) Version: 2.11.0-eval+eb1ecbe71c969eff5d7c05d58da16dade0474678
Syntaxprotected virtual bool readInputRegistersTable(
int startRef,
short[] regArr
)
Protected Overridable Function readInputRegistersTable (
startRef As Integer,
<OutAttribute> regArr As Short()
) As Boolean
protected:
virtual bool readInputRegistersTable(
int startRef,
[InAttribute] [OutAttribute] array<short>^ regArr
)
Parameters
- startRef
- Type: SystemInt32
Start register (Range: 1 - 65536) - regArr
- Type: SystemInt16
Buffer which has to be filled with the reply data (Length: 0 - 125)
Return Value
Type:
Boolean true indicates a successful access and that valid
reply data is contained in regArr. The Server Engine will
reply the data passed in regArr to the master.
false indicates that access has been denied or is out of
range. The Server Engine will reply to the master with an
exception reply message
Remarks
When a slave receives a poll request for the 3:00000 data table it
calls this method to retrieve the data.
Required:
Yes
Default Implementation:
Returns false which indicates to Server Engine that this address range is
unsupported.
Examples A simple and very common implementation is to map the Input Registers
to the same address space than the Holding Registers table:
protected override int readInputRegistersTable(int startRef, short[] regArr)
{
return readHoldingRegistersTable(startRef, regArr);
}Protected Overrides Function readInputRegistersTable(ByVal startRef As Integer, ByVal regArr() As Short) As Integer
Return readHoldingRegistersTable(startRef, regArr)
End FunctionNo code example is currently available or this language may not be supported.
See Also