
8.1.2
Operating modes of SipPS2PA
The block can be operated using the following modes:
● Local mode
● Automatic mode
● Manual mode
● Out of service
The operating modes are described in more detail in the APL Online Help.
The next section provides additional block-specific information relating to the general
descriptions.
"Local mode"
The block supports the local operating modes 2 and 4. The control settings for the block are
therefore always made based on internal tracking of the feedback value.
You can find general information on "local mode", switching modes and bumpless switchover
in the Local mode section.
"Automatic mode"
You can find general information on "automatic mode", switching modes and bumpless
switchover in the section Manual and automatic mode for motors, valves and dosing units.
With auxiliary valve
In "automatic mode", the automatic commands affect the auxiliary valve, which you can
● "Open" (
OpenAut
= 1)
● "Close" (
CloseAut
= 1)
Without auxiliary valve
In "automatic mode", the automatic commands affect the control valve, which you can
● "Open" (
OpenAut
= 1)
● "Close" (
CloseAut
= 1)
Note
If no auxiliary valve is configured, no internal manipulated variable specifications can be made
in "automatic mode". Manipulated variable specification is set to external when the mode is
switched to "automatic".
"Manual mode"
You can find general information on "manual mode", switching modes and bumpless
switchover in the section Manual and automatic mode for motors, valves and dosing units.
With auxiliary valve:
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
Page 12: ...Table of contents SITRANS Library for PCS 7 12 Function Manual 05 2019 A5E35351976 11 ...
Page 418: ...SITRANS P 10 2 SitraPDr SITRANS Library for PCS 7 418 Function Manual 05 2019 A5E35351976 11 ...
Page 850: ...Index SITRANS Library for PCS 7 850 Function Manual 05 2019 A5E35351976 11 ...