Funktionsblöcke - VEGA VEGAFLEX 81 Betriebsanleitung

11 Anhang
Electricial Characteristics
Transmitter Function Blocks
Advanced Function Blocks
Diagnostics
General Information
Funktionsblöcke
Transducer Block (TB)
Der Transducer Block "Analog Input (AI)" nimmt den originären Messwert (Secondary Value 2),
macht den Min.-/Max.-Abgleich (Secondary Value 1), macht eine Linearisierung (Primary Value)
und stellt die Werte an seinem Ausgang für weitere Funktionsblöcke zur Verfügung.
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Physicial Layer Type
Input Impedance
Unbalanced Capacitance
Output Amplitude
Electrical Connection
Polarity Insensitive
Max. Current Load
Device minimum operating voltage
Resource Block (RB)
Transducer Block (TB)
Standard Block (AI)
Execution Time
Discret Input (DI)
PID Control
Output Splitter (OS)
Signal Characterizer (SC)
Integrator
Input Selector (IS)
Arithmetic (AR)
Standard
Advanced
Performance
Function Blocks Instantiable
LAS (Link Active Scheduler)
Master Capable
Number of VCRs (Virtual Communication Re-
lationships)
Low-power signaling, bus-po-
wered, FISCO I.S.
> 3000 Ohms between
7.8 KHz - 39 KHz
< 250 pF to ground from either
input terminal
0.8 V P-P
2 Wire
Yes
10 mA
9 V
1
1
3
30 mS
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
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VEGAFLEX 81 • Foundation Fieldbus