Siemens SITRANS LG270 Operating Instructions Manual page 69

Guided wave radarfoundation fieldbus coax probe, minus 196...plus 280 degrees c; minus 196 ... plus 450 degrees c
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descriptions, the electrical characteristics of the bus system as well as the applied function blocks.
Revisions Data
Electricial Characteristics
Transmitter Function Blocks
Advanced Function Blocks
Diagnostics
General Information
PBD-51041071
DD-Revision
CFF-File
Device Revision
Cff-Revision
Device software revision
ITK (Interoperability Test Kit) Number
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 - Operating Instructions
Rev_01
030101.cff
3
xx xx 01
> 1.3.0
6.2.0
Low-power signaling, bus-pow-
ered, 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
24
69

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