ModbusSerialDeviceDiag (FB)ΒΆ

FUNCTION_BLOCK ModbusSerialDeviceDiag EXTENDS DED.CAADiagDeviceDefault

An instance of this function block function block is generated for each serial Modbus Server device in the device tree.

InOut:

Scope

Name

Type

Initial

Comment

Input

xEnable

BOOL

TRUE
TRUE : start operation, open Com-Port

Output

xOnline

BOOL

Com Port opened, receives data

xBusy

BOOL

operating

xInternalError

BOOL

FALSE

ComPort errors or licence not ok

ErrorCode

UDINT

error code

Methods:

Structure: