5 Analog Input function block
Device functions Proline Promag 55 FOUNDATION Fieldbus
112
Hauser
5
Analog Input function block
In the Analog Input function block (AI) the process variables from the Transducer Block are
prepared for the subsequent automation functions (e.g. scaling, limit value processing). The
automation function is defined by the connections of the outputs.
5.1
Signal processing
The figure shows the internal structure of the Analog Input function blocks:
A0004762-en
Fig. 3:
Internal structure of the individual Analog Input function blocks
A0003800
OUT = output value and output status of the Analog Input function block
OUT
AI
SIMULATE
XD_SCALE
OUT_SCALE
XD_SCALE = OUT_SCALE
XD_SCALE
OUT_SCALE
Direct
Indirect
Value, Status
Analog Input 1
L_TYPE
LOW_CUT
Cutoff
PV_FTIME
PV
MODE
AUTO
O/S
MAN
Filter
HI_HI_ALM
XD_SCALE
OUT_SCALE
FIELD_VAL
Indirect
square root
ALARM_HYS
HI_ALM
LO_LO_ALM
LO_ALM
Alarm detection
HI_HI
HI
LO
LO_LO
Mass Flow
Volume Flow
TB FLOW
TB TOTALIZER
Totalizer 1
Totalizer 2
Totalizer 3
CHANNEL
CH1
Mass
CH2
Volume
CH7
Tot. 1
CH8
Tot. 2
CH9
Tot. 3
Analog Input 5
Analog Input 2
Analog Input 3
Analog Input 4
OUT
Содержание Proline Promag 55
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