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

Table 7- 163 Read() - .NET (C#)
Syntax
Parameters
Return values
Exceptions
S7-PLCSIM Advanced
Function Manual, 12/2017, A5E37039512-AB
SDataValue Read(
string in_Tag
)
•
string in_Tag:
The name of the PLC tag that is to be read.
Contains the value and the type of the PLC tag.
SDataValue:
Siemens.Simatic.Simulation.Runtime.SimulationRuntimeException
Runtime error code
ERuntimeError-
Code.InterfaceRemoved
ERuntimeErrorCode.Timeout
ERuntimeError-
Code.InstanceNotRunning
ERuntimeErrorCode.DoesNotExist
ERuntimeErrorCode.NotSupported
ERuntimeErrorCode.TypeMismatch
ERuntimeErrorCode.NotUpToData
User interfaces (API)
7.6 API IInstances
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.
The entry does not exist in the stored tag
list.
Access to entire structures or arrays is
not supported.
The expected type does not match the
stored type. See Compatible primitive
data types (Page 336).
The stored tag list must be updated.
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