12 visualisation with »visiwinnet – Lenze c300 User Manual
Page 118
Lenze · Controller | Parameter setting & programming · Reference Manual · DMS 1.5 EN · 04/2014 · TD17
118
12
Visualisation with »VisiWinNET®«
12.6
OPC tunnel for local visualisation (integrated control system)
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Data types
The following data types are available for query:
Data type
Description
»VisiWinNET®« OPC tunnel
VT_BOOL
d11
Truth value (TRUE/FALSE)
VT_BSTR
d8
String STRING
VT_DATE
d7
Date / time format
VT_EMPTY
d0
The data type is not specified.
• This data type is e.g. returned if no process variable has been specified.
VT_I1
d16
Integer 1-byte value; signed (-128 ... 127)
VT_I2
d2
Integer 2-byte value; signed (-32768 ... 32767)
VT_I4
d3
Integer 4-byte value; signed (-2147483648 ... 2147483647)
VT_INT
d22
Integer value; signed; machine type-dependent
VT_R4
d4
Floating-point number simple accuracy (4 bytes)
VT_R8
d5
Floating-point number double accuracy (8 bytes)
VT_UI1
d17
Integer 1-byte value; unsigned (0 ... 255)
VT_UI2
d18
Integer 2-byte value; unsigned (0 ... 65535)
VT_UI4
d19
Integer 4-byte value; unsigned (0 ... 4294967295)
VT_UINT
d23
Integer value; unsigned; machine type-dependent