Siemens SITRANS LR200 7ML5422, Руководство по эксплуатации

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SITRANS LR200 with mA/HART
Operating Instructions, 05/2019, A5E32337676-AE
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Min. detectable distance
1)
3", 4", and 6" horn
2)
300 mm (11.8")
8" horn 330 mm (12.9")
PP rod, 100 mm internal shield 417 mm (16.4")
417 mm (16.4") • PP rod, 250 mm
internal shield
567 mm (22.3")
PTFE rod, unshielded 417 mm (16.4")
PTFE rod, 100 mm external shield 474 mm (18.6")
PTFE rod, 250 mm external shield 624 mm (24.5")
Update time
1)
Minimum 1 second, depending on settings for Response rate (2.4.1.) (Page 101) and LCD fast
mode (4.9.) (Page 132).
Influence of ambient temperature
< 0.003%/K (average over full temperature range, referenced to maximum range)
Dielectric constant of material measured
dK > 3 (for < 3 use waveguide antenna or stillpipe)
Memory
• non-volatile EEPROM
•
no battery required
1)
From sensor reference point. For the sensor reference point for each configuration, refer to
Uni-construction polypropylene rod antenna (Page 152) for the standard version, or
Dimension drawing (Page 152) for other configurations.
2)
3" and 4" horns should be used only in stillpipe applications.
10.3 Interface
Analog output
Signal range
• 4 to 20 mA (± 0.02 mA accuracy)
•
upper limit 20 to 22.6 mA adjustable
Fail signal 3.6 mA to 22.6 mA (see Fail-safe Mode (Page 180))
Communication: HART
Load
• 230 to 600 Ω
•
230 to 500 Ω when connecting a coupling module
Max. line length multi-wire: ≤ 1500 m (4921 ft)
Protocol HART, Version 5.1