Operating modes of SiFC43PA for totalizer or dosing value
The block can be operated using the following modes:
● Local mode
● Automatic mode
● Manual mode
● Out of service
The general descriptions of the operating modes are identical for SiFC43PA and the APL; refer
to the online help for the standard APL blocks for information on them.
The next section provides additional block-specific information relating to the general
descriptions.
"Local mode"
"Local mode" supports the transfer of the following direction to the totalizer:
● "Positive and Negative (Balanced)" (positive edge
BalPV2/PV3/PV4Local
)
● "Positive" (positive edge
PosPV2/PV3/PV4Local
)
● "Negative" (positive edge
NegPV2/PV3/PV4Local
)
"Local mode" supports the transfer of the following command to the totalizer:
● "Hold" (positive edge
HoldPV2
/
PV3
/
PV4Local
)
● "Totalize" (positive edge
TotalizePV2
/
PV3
/
PV4Local
)
If you set the block to "Local mode", the control is only influenced by the "local" signals of the
totalizers (input parameters
BalPV2/PV3/PV4Local
= 1,
PosPV2/PV3/PV4Local
= 1,
NegPV2/PV3/PV4Local
= 1 and
HoldPV2/PV3/PV4Local
= 1).
"Local mode" supports the transfer of the following commands to the dosing unit:
● "Start" (positive edge
DSrtLocal
)
● "Continue" (
DContLocal
= 1)
● "Pause" (
DPauseLocal
= 1)
● "Stop" (
DStpLocal
= 1)
Note
Unlike the general description, only the values 0, 1 and 3 can be set at the
LocalSetting
parameter. Tracking in "local" mode is not possible with SiFC43PA.
SITRANS FC430 PA
13.1 SiFC43PA
SITRANS Library for PCS 7
Function Manual, 05/2019, A5E35351976-11
551
Summary of Contents for SITRANS PCS 7
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