Accessing Symbolic Information
Getting Root Symbols
PS> Get-TcSymbol -port 851
InstanceName DataType Size InstancePath
------------ -------- ---- ------------
tc2vBool BOOL 1 .tc2vBool
tc2vInt INT 2 .tc2vInt
Constants 0 Constants
GVL 0 GVL
MAIN 0 MAIN
Slow 0 Slow
TwinCAT_SystemInfoVarList 0 TwinCAT_SystemInfoVarList
Get the root symbolic information from the local system (Port 851):
Browsing through Symbols recursively and filter with wildcards
PS> $session = New-TcSession -Name 'CX_123456' -port 851
PS> $session | Get-TcSymbol -recurse | where InstanceName -like 'Project*'
InstanceName DataType Size InstancePath
------------ -------- ---- ------------
ProjectName STRING(63) 64 TwinCAT_SystemInfoVarList._AppInfo.ProjectName
Gets an ADS-Session/Connection to the target system CX_123456 on port 851, downloads the symbol information recursively and returns all Instances where the instance name is like the pattern 'Project*'.
Browsing DataTypes
PS> Get-TcDataType -port 851
Name Size Category BaseType
---- ---- -------- --------
BYTE 1 Primitive
WORD 2 Primitive
DINT 4 Primitive
UDINT 4 Primitive
DWORD 4 Primitive
E_ByteEnum 1 Enum BYTE
FB_Test 12424 Struct
PLC.PlcAppSystemInfo 256 Struct
PLC.PlcTaskSystemInfo 128 Struct
POINTER TO BYTE 4 Pointer BYTE
R_Range 2 Alias INT (-6..12)
REFERENCE TO BOOL 4 Reference BOOL
ST_SimpleStruct 166 Struct
STRING(80) 81 String
...