User's Manual

Page 8 SITRANS LR560 (FF) – OPERATING INSTRUCTIONS 7ML19985LY01
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Specifications
Specifications
Power
Bus powered 9 to 32 V DC, per IEC 61158-2 (Foundation Fieldbus)
Current consumed 13.5 mA
Performance
Reference operating conditions according to IEC 60770-1
• ambient temperature +15 to +25
o
C (+59 to +77
o
F)
• humidity 45% to 75% relative humidity
• ambient pressure 860 to 1060 mbar g (86,000 to 106,000 N/m
2
g)
Measurement Accuracy
1)
(measured in accordance with IEC 60770-1)
• Maximum measured error Greater of 25 mm (1") or 0.25% of range from
minimum detectable distance to full range
Frequency 78 to 79 GHz FMCW
Max. measurement range
2)
• 40 m version 40 m (131 ft)
• 100 m version 100 m (328 ft)
Min. detectable distance 300 mm (11.8") from sensor reference point
Update time
3)
Maximum 10 seconds, depending on setting for
Response Rate (2.3.6.1.)
Influence of ambient temperature <0.003%/K (average over full temperature range,
referenced to maximum range)
Dielectric constant of material measured
• Minimum dK = 1.6 for ranges to 20 m (65.6 ft) range
= 2.5 for ranges to 100 m (328 ft) range
Memory
• non-volatile EEPROM
• no battery required
Notes:
• Siemens Milltronics makes every attempt to ensure the accuracy of these
specifications but reserves the right to change them at any time.
1)
Reference conditions: Position Detect (2.4.5.2.) set to Center and Algorithm
(2.4.5.1.) set to True First Echo.
2)
From sensor reference point.
3)
Reference conditions: Response Rate (2.3.6.1.) set to FAST.