VEGA VEGAPULS 43 Profibus PA - Manuale (Pagina 52)

52 VEGAPULS 43 – Profibus PA
Diagramma funzionale PA
PDM
VVO
FDT
MINICOM PDM
VVO
FDT
MINICOM
Scaled (PA-Out)
Simulation
Simulated value:
- primary value (%,m,ft ...)
- secondary value 1 (%,m,ft ...)
- secondary value 2 (m,ft ...)
(dep. on channel)]
Channel
Simulate value
off
on
Simulation
Display source select
Sensordisplay
Source selector
VEGA
Limiting values (Alarms)
Hi hi limit, lo lo limit,
hi limit, lo limit,
alarm hys [Out scale unit] Integration time
[sec]
Alarm hyst
Hi limit
Lo limit
Lo lo limit
Hi hi limit
Alarm check
Filter
Hi hi alarm, lo lo alarm
hi alarm, lo alarm,
Alarm sum
A 1… A 3
C
lin %
%
distance
lin %
%
distance
A 1
A 2
A 3
lin %
(Primary value; volume)
%
(Secondary value 1)
distance
(Secondary
value 1)
Out (VVO…)
PDM
VVO
FDT
MINICOM
PDM
VVO
FDT
MINICOM PDM
VVO
FDT
Source for scaling