If text is configured for this command, it is also displayed in brackets. You can find additional
information on this in the "Labeling buttons and texts" section in the APL Online Help.
● "Close": You can close the valve. The display always relates to the auxiliary valve and
control valve. Neither the auxiliary valve nor the control valve can be closed if there is no
enable.
For the control valve this means: If a new manipulated variable is less than the current valve
position, this new manipulated variable does not take effect and the control valve retains its
position.
If text is configured for this command, it is also displayed in brackets. You can find additional
information on this in the "Labeling buttons and texts" section in the APL Online Help.
● "Reset": You can reset the valve if interlocks or errors occur.
● "Automatic": You can switch to "automatic mode".
● "Manual": You can switch to "manual mode".
● "Local": You can switch to "local mode".
● "Out of service": You can switch to "Out of service" mode.
● "Local operator authorization": Use the ← button to change to the standard view of the
OpStations block. For more information, refer to the "Operator authorization" section in the
APL Online Help.
(4) Inputs and outputs
This area shows the most important parameters for this block with the current selection.
● "Enable":
This display is only visible when the corresponding block input is connected.
– 0 = Valve activation not enabled on OS
– 1 = Enable for "opening" / "closing" from the neutral position
● "Protect":
This display is only visible when the corresponding block input is connected.
– 0 = Protective interlocking is in effect; once the interlocking condition in automatic mode
has disappeared, you will have to reset the block
– 1 = "Good" state
● "Interlock":
This display is only visible when the corresponding block input is connected.
– 0 = Interlocking without reset is active; you can operate the block without reset once the
interlocking condition has disappeared
– 1 = "Good" state
● "Local": 1 = "Local mode" is enabled
● "Interlock deact.":
– 0 = Bypass disabled
– 1 = Bypassing interlock in "local mode" and in "simulation"
SIPART PS2 PA
8.1 SipPS2PA
SITRANS Library for PCS 7
Function Manual, 05/2019, A5E35351976-11
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Summary of Contents for SITRANS PCS 7
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