4 Analog Input function block PROline Prosonic Flow 93 FOUNDATION Fieldbus
160 Endress+Hauser
4 Analog Input function block
In the Analog Input function block (AI function block), the process variables from
the Transducer Blocks “TRANSDUCER_CH1” (flow channel 1, base index 1200),
“TRANSDUCER_ CH2” (flow channel 2, base index 1300) and “TRANSDUCER_ TOT”
(totalizer, base index 1550) are prepared for the subsequent automation functions, (e.g.
scaling, limit value processing). The automation function is defined by the connections
of the outputs.
4.1 Signal processing
The figure shows the internal structure of the Analog Input function blocks available:
Fig. 3: Signal processing and structure of the Analog Input function blocks
OUT = Output value and output status of the Analog Input function block
F06-53xFFxxxx-16-xx-xx-en-001
XD_SCALE = OUT_SCALE
SIMULATE
OUT
XD_SCALE OUT_SCALE
XD_SCALE OUT_SCALE
Direct
Indirect
Value, Status
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
Analog Input 1
Analog Input 2
Analog Input 3
Analog Input 4
Analog Input 5
Analog Input 6
Analog Input 7
Analog Input 8
CHANNEL
CH 2A
CH 7I
CH 21B
CH 8J
CH 23C
CH 9K
CH 30D
CH 25L
CH 20E
CH 26M
CH 22F
CH 27N
CH 24G
CH 28O
CH 31H
CH 29P
TRANSDUCER_CH1 (Basic index 1200)
Volume flow Channel 1
Sound velocity Channel 1
Flow velocity Channel 1
Signal strength Channel 1
Volume flow Channel 2
Sound velocity Channel 2
Flow velocity Channel 2
Signal strength Channel 2
(A)
(B)
(C)
(D)
TRANSDUCER_CH2 (Basic Index 1300)
TRANSDUCER_TOT (Basic index 1550)
Totalizer 1
Totalizer 2
Totalizer 3
(E)
(F)
(G)
(H)
(I)
(J)
(K)
(L)
(M)
(N)
(O)
(P)
Volume flow average
Sum
Sound Velocity average
Flow Velocity average
Volume flow
Difference Volume flow
F06-93xFFxxx-16-xx-xx-en-001
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