Siemens SITRANS LG270 Instrucciones De Servicio página 82

Electricial Characteristics
Transmitter Function Blocks
Advanced Function Blocks
Diagnostics
General Information
Bloques de funcionamiento
Transducer Block (TB)
El Transducer Block "Analog Input (AI)" toma el valor de medición original (Secondary Value 2),
realiza el ajuste min.-/max. (Secondary Value 1), hace una linalización (Primary Value) y pone los
valores a disposición en su salida para otros bloques funcionales.
82
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)
SITRANS LG270 - Instrucciones de servicio
Low-power signaling,
bus-powered, 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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PBD-51041516