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1、TI354F/00/enTechnical Information Liquiphant S FTL70, FTL71Vibration Limit Switch High-temperature level limit switch for all liquids. For use also in hazardous locations.Application The Liquiphant S is a level limit switch which can be used in all liquids for process temperatures from 60 C to 280 C
2、 (300 C for max. 50 h cumulative; without temperature shock limitation) for pressure up to 100 bar for viscosity up to 10000 mm2/s for density of 0.5 g/cm3 or 0.7 g/cm3, other settings on request foam detection on requestThe function is not affected by flow, turbulence, bubbles, foam, vibration, sol
3、ids content or build-up. The Liquiphant is thus the ideal substitute for float switches.FTL70: Compact design, also for pipework FTL71: With extension pipe up to 3 m (6 m on request)High corrosion-resistant AlloyC4 (2.4610) is available for the fork and process connections for applications in very a
4、ggressive liquids.EEx ia, EEx de and EEx d protection enable it to be used in hazardous areas.Your benefits Use in safety systems requiring functional safety to SIL2 in accordance with IEC 61508/IEC 61511-1 With component parts resistant to high temperatures: for medium temperatures up to 280 C (300
5、 C for max. 50 h cumulative) With welded gas-tight bushing: maximum safety in the event of damaged sensor Process connections from “ and small tuning fork dimensions: also for areas difficult to access Large number of process connections to choose from: universal usage Wide variety of electronics, e
6、.g. NAMUR, relay, DC-PMP, thyristor, PFM signal output: the right connection for every process control system PROFIBUS PA interface: for optimum start-up and maintenance No calibration: quick, low-cost start-up No mechanically moving parts: no maintenance, no wear, long operating life Monitoring of
7、fork for damage: guaranteed function FDA approved materials (PFA Edlon)Liquiphant S FTL70, FTL712Endress+HauserTable of contentsApplication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Level limit detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8、4Function and system design. . . . . . . . . . . . . . . . . . . . . 4 Measuring principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Modularity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Electronic versions for level limit swit
9、ch . . . . . . . . . . . . . . . . . . . . 5 Electronic versions for level sensor . . . . . . . . . . . . . . . . . . . . . . . . 5 Galvanic isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10、. . . . . . . . . . . . 5Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Measured variable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Measuring range (detection range) . . . . . . . . . . . . . . . . . . . . . . . . 5 Product density
11、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Electronic insert AC, FEL51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electrical connection .
12、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Output signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Signal on alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Connectable load . . . . . . . . . . . .
13、. . . . . . . . . . . . . . . . . . . . . . . . . 6Electronic insert DC PNP, FEL52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical connection . . . . . . . . . . . .
14、. . . . . . . . . . . . . . . . . . . . . . 7 Output signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Signal on alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Connectable load . . . . . . . . . . . . . . . . . . . . . . . .
15、 . . . . . . . . . . . . . 7Electronic insert AC/DC with relay output, FEL54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Electrical connection . . . . . . . . . . . . . . .
16、. . . . . . . . . . . . . . . . . . . 8 Output signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Signal on alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Connectable load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Electronic insert 8/16 mA, FEL55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
