ReadReal64

Reads a variable of type double from an ADS device.

object.ReadReal64(
  nIndexGroup As Long,
  nIndexOffset As Long
) As Double

Parameters

nIndexGroup

Index group of the ADS variable.

nIndexOffset

Index offset of the ADS variable.

Return value

Value of the ADS variable.

Description

The reading procedure is performed synchronously. In IEC 61131-6 this corresponds to the LREAL data type.

Examples

VBScript: 

Dim VarReal64
VarReal64 = TcClientSync.ReadReal64(&H4020, 0)
WScript.echo "VarReal64 = ", VarReal64

JScript: 

var VarReal64;
VarReal64 = TcClientSync.ReadReal64(0x4020, 0);
WScript.echo("VarReal64 = ", VarReal64);