Internal String Points are points that only exist within the master station software (see Internal Points).
To set the value of an Internal string point, you ‘hand control’ the point value. Specify the hand control properties using the fields on the Manual tab of the String Point Form:
- Either:
- Select the Hand Control check box to enable operators whose User Accounts are allocated the Control permission to ‘hand control’ the value of the point, using the Hand Control pick action.
or:
- Clear the Hand Control check box if the value of the Internal point is not to be controlled using the Hand Control pick action.
- If the Hand Control check box is selected, use the Confirm combo box to specify whether a confirmation dialog box is displayed whenever an operator attempts to hand control the point (see Requesting Confirmation of Action Requests in the Geo SCADA Expert Guide to Core Configuration).
- Either:
- Select the Log Hand Control Events check box for Geo SCADA Expert to log an event each time that the point’s value is set. This provides a historic record of when and by whom or what application the Internal point was hand controlled.
Be aware that if
or:
- Clear the Log Hand Control Events check box if Geo SCADA Expert is not to log any hand control events in the Event Journal.
ATTENTION: Clear an internal point’s Log Hand Control Events check box if an application sets the point’s value on a frequent basis. This will help to prevent Geo SCADA Expert from logging numerous events relating to the point’s value being set.
- Select the Log Hand Control Events check box for Geo SCADA Expert to log an event each time that the point’s value is set. This provides a historic record of when and by whom or what application the Internal point was hand controlled.
- Save the configuration (see Saving Configuration Changes in the Geo SCADA Expert Guide to Core Configuration).