Configure Safe State Values - 1794-VHSC

To configure a counter and its safe state value:
safe state
The condition that an output module maintains in the event of a network communication error, or when the controller enters the program mode. When either of these situations occur, the outputs automatically switch to the configured state (for digitals) or to the value (for analogs).
  1. Click either the Reset or the Safe State radio button, depending on the way in which you want the adapter to respond when a communication fault occurs.
    If you choose Safe State, proceed with the remainder of the steps below.
  2. Enter the appropriate safe state values for each counter in the PWM Safe State field.
    Be sure to also provide the appropriate settings for the SSLocal and SSOutEnable members in the configuration module-defined data type.
    NOTE:
    When you check the PWM Hold Last State check box, the PWM Safe State automatically completes the PWM Safe State field with 9501 or 95.01%, signaling the module to Hold the Last State for its PWM SS Percent value.
  3. Turn on outputs by checking the Output Enable and Force Output check boxes. Outputs are turned off when you uncheck the Output Enable or Force Output checkbox.
  4. Check the Local Control checkbox to turn on Local Control.
    NOTE:
    If either power source is lost and Local Control is not checked or is 0, the module will reset Output Enable to 0. When FlexBus power is lost and if Local Control is 0, the module will clear (or uncheck) Output Enable forcing OFF outputs. Be sure to set the SSLocal and SSOutEnable members of the configuration data type according to your application needs.
  5. When this feature is set to 1 and Output Enable is set to 1, outputs remain under counter control when FlexBus power is removed (that is. the module detects a FlexBus reset signal). Caution should be used when using this feature as the module is no longer communicating with the controller when FlexBus power is off. The SSLocal and SSOutEnable members should also be set appropriately in the configuration module-defined data type to realize predictable operation, since a communication fault occurs after adapter power is lost.Click:
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