Readbyte() - .Net (C#) - Siemens Simatic S7-1500 Function Manual

User interfaces (API)
7.6 API IInstances
Table 7- 149 ReadByte() - .NET (C#)
Syntax
Parameters
Return values
Exceptions
ReadBytes()
Reads a byte array from the area.
Note
The function allows access to the entire storage area of the virtual controller.
Therefore, use access via the tag name and not via the address areas.
162
Byte InputArea.ReadByte(
UInt32 in_Offset
);
Byte MarkerArea.ReadByte(
UInt32 in_Offset
);
Byte OutputArea.ReadByte(
UInt32 in_Offset
);
•
UInt32 in_Offset:
The byte offset within the area. The value must be between 0 and the value
that returns.
AreaSize
Byte value.
Byte:
Siemens.Simatic.Simulation.Runtime.SimulationRuntimeException
Runtime error code
ERuntimeError-
Code.InterfaceRemoved
ERuntimeErrorCode.Timeout
ERuntimeError-
Code.InstanceNotRunning
ERuntimeError-
Code.IndexOutOfRange
Condition
The instance is not registered in Runtime
Manager.
The function does not return on time.
The process of the virtual controller is not
running.
Offset is invalid.
S7-PLCSIM Advanced
Function Manual, 12/2017, A5E37039512-AB