Continued table:
Local‐
Act
MV_Tr
kOn
MV_Trk
Rbk
MV_Ex‐
tAct
MV =
Limit
State
-
-
-
-
MV_Forced
None
Forced tracking
without limit
-
-
-
-
MV_OpScale.Low
MV_OpS‐
cale.Low
Forced close
-
-
-
-
MV_OpScale.High
MV_OpS‐
cale.High
Forced open
0
0
-
0
MV_Int
MV_HiLim
MV_LoLim
Manual mode
with internal ma‐
nipulated variable
0
0
-
1
MV_ExtOut
MV_HiLim
MV_LoLim
Manual mode
with external ma‐
nipulated varia‐
ble and limit
0
0
-
1
MV_Int
MV_HiLim
MV_LoLim
Automatic with
external manipu‐
lated variable and
limit
0
0
-
1
MV_ExtOut
MV_HiLim
MV_LoLim
Automatic with
external manipu‐
lated variable and
limit
0
1
0
-
MV_Trk
MV_HiLim
MV_LoLim
Tracking with lim‐
itation
0
1
1
-
Rbk
None
Tracking to posi‐
tion feedback
without limit
1
-
-
-
Rbk
None
Local mode with
tracking to posi‐
tion feedback
without limit
"Actuator active" information
● With
PosReached
.
Value
= 0, the following applies:
With
PosDiClose
<
MV
<
PosDiOpen
, the control valve is detected as active and bit 24 is
set in Status1.
● The following applies to
PosReached
.
Value
= 1:
Status1.Bit 24 = 0
This status can be used to indicate a customized symbol in the process image, for example, and
is saved in the status word (see Status word section in Description of SipPS2PA (Page 261)).
General function "MV difference"
The manipulated variable difference is sent to the
ER
output and is calculated with the following
formula:
ER
=
MV
-
Rbk
SIPART PS2 PA
8.1 SipPS2PA
SITRANS Library for PCS 7
Function Manual, 05/2019, A5E35351976-11
279
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 ...