Configure PVLVMP instructions

Use the
Advanced
tab of the
PVLVMP Properties
dialog box to configure the selected Process Mix Proof Valve (PVLVMP) instruction.
To configure Process Mix Proof Valve (PVLVMP) instructions
  1. On the instruction in the routine, perform one of these actions:
    • On the Ladder or FBD instruction, select .
    • In the Structured Text editor, right-click the tag name and select
      Configure <tag name>
      .
  2. Open the
    Advanced
    tab.
  3. Select the parameters for the instruction:
    • Valve has lift lower seat state.
      Indicates that the valve has a lift lower seat state.
    • Pulse seat lift output during lift lower seat state.
      Enables pulsing of seat lift output when the device is in the lift lower seat state.
    • Valve has lift upper seat state.
      Indicates that the valve has a lift upper seat state.
    • Pulse seat lift output during lift upper seat state.
      Enables pulsing of seat lift output when the device is in the lift upper seat state.
    • Valve has clean lower seat state.
      Indicates that the valve has a clean lower seat state.
    • Pulse seat lift output during clean lower seat state.
      Enables pulsing of seat lift output when the device is in the clean lower seat state.
    • Valve has clean upper seat state.
      Indicates that the valve has a clean upper seat state.
    • Pulse seat lift output during clean upper seat state.
      Enables pulsing of seat lift output when the device is in the clean upper seat state.
    • Valve has clean cavity state.
      Indicates that the valve has a clean cavity state.
    • Operator command resets fault.
      Select to have a new operator command also issue a Reset to the instruction when a shed fault has been latched or a Device fault is active. Clear this check box to require a separate Reset command.
    • External command resets fault.
      Select to have a new external command also issue a Reset to the instruction when a shed fault has been latched or a Device fault is active. Clear this check box to require a separate Reset command.
    • In Override, bypass interlocks and permissives that can be bypassed.
      Select to bypass the bypassable interlocks and permissives when the Override command source is selected. Clear this check box to bypass the bypassable interlocks and permissives only when maintenance bypasses them by command.
    • Operator close command always available.
      Enable priority for an operator command to close, accepted at any time. If an operator commands the device to close when a command source other than
      Operator
      or
      Maintenance
      is selected, a Reset is required to command the device. Clear this check box to make an operator command to close available only when the command source is set to
      Operator
      or
      Maintenance
      .
    • External close command always available.
      Enable priority for an external command to close, accepted at any time. If an external close command is issued when a command source other than External is selected, a Reset is required to command the device. Clear this check box to make an External command to close available only when the command source is set to External.
    • Close valve.
      Select the
      Close valve
      trigger check boxes to configure the instruction to attempt to close the valve on the various conditions. Each condition requires a reset to clear before the device can be moved. Clear the check boxes to configure the various conditions to raise an alarm only. You cannot clear the Interlock trip condition. An Interlock Not OK condition always closes the valve.
  4. Select
    Apply
    .
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