Promotic

Deadband - property of the PmaOpcDaClientGroup object

Description:
The dead band in percentage.
Syntax:
Single Deadband
Note:
Property access for read and write. The preset value of this property is defined in the "Deadband [%]" configurator of this object.
 
At the automatic update the OPC server will not sent data that changed less than entered here. The Deadband property is intended only for the analog data (Single and Double data type). The analog value in the OPC server has set the minimum and maximum value.
The update from server proceeds if:
an absolute value (last_updated_value - current_value)
is greater than
Deadband * (maximum - minimum) / 100
See also:
Example:
JavaScriptVBScriptSelect and copy to clipboard

var oOpcGroup = pMe.Pm("/OpcClient/Group1");
var nDeadband = oOpcGroup.Deadband;   // Reading from the property
oOpcGroup.Deadband = 2;   // Writing into the property
PROMOTIC 9.0.17 SCADA system documentation - MICROSYS, spol. s r.o.

Send page remarkContact responsible person
© MICROSYS, spol. s r. o.Tavičská 845/21 703 00 Ostrava-Vítkovice