Interface - Siemens SITRANS LR260 Operating Instructions Manual

Technical data

11.3 Interface

Min. detectable dis‐
tance
Update time
Influence of ambient
temperature
Dielectric constant of
material measured
Memory
From sensor reference point.
1)
See Dimensions
2)
Reference conditions: Response Rate (2.2.7.1.) (Page 89)set to FAST and LCD Fast Mode
3)
(4.3.) (Page 103)set to ON
11.3 Interface
Analog output
Communication:
HART
Configuration
Display quality will be degraded in temperatures below –25 °C (–13 °F) and above +65 °C (+149 °F).
1)
126
Stainless steel
2)
Aluminum horn,
with polypropy‐
lene lens antenna
3)
Minimum dK
Signal range 4 to 20 mA (± 0.02 mA accuracy) upper limit 20 to 23 mA adjustable
Fail signal 3.6 mA to 23 mA or last value [For more details, see Fail-safe Mode] (Page 94)
Load Max. 600 Ω
Load 230 to 600 Ω, 230 to 500 Ω when connecting a coupling module
Max. line length multi-wire: ≤ 1 500 m (4 921 ft)
Protocol HART, Version 5.1
Remote Siemens SIMATIC PDM or AMS Device Manager (PC)
Local Siemens infrared handheld programmer, or HART handheld communicator
Display (local) graphic LCD, with bar graph representing level
1)
0.05 m (1.97") from end of horn
0.2 m (7.90") from end of horn
minimum 2 seconds, depending on settings for Response
Rate (2.2.7.1.) (Page 89) and LCD Fast Mode (4.3.)
(Page 103)
< 0.003%/K (average over full temperature range, refer‐
enced to maximum range)
1.6 (depending on antenna and application type)
non-volatile EEPROM
no battery required
Operating Instructions, 11/2019, A5E32337683-AD
SITRANS LR260 with mA/HART