5technical data – Rockwell Automation 840E Solid-State Level Sensors User Manual
Page 17
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Technical Data
15
5
Technical Data
5. 1
Power Supply
DC-PNP with M12 connector
10...35 V DC
Supply voltage
< 825 mW
Power consumption
< 15 mA
Current consumption
AC with NPT 1/2 valve connector
19...253 V AC
Supply voltage
< 810 mW
Power consumption
< 3.8 mA
Current consumption
5. 2
Performance characteristics
Switching delay
0.5 s when covering
1.0 s when free
Resolution
< 0.5 mm (0.02 in.)
Maximum error
13.0 +/- 1 mm (0.51 in. +/- 0.04 in.)
Repeatability
+/- 0.5 mm (+/- 0.02 in.)
Hysteresis
3.0 +/- 0.5 mm (0.12 in. +/- 0.02 in.)
Settling time
< 2 s
Reference operating conditions
Ambient temperature: 23 °C (73 °F)
Process pressure:
14.5 psi
Medium:
Water
Medium density:
1
Medium temperature:
23 °C (73 °F)
Installation from above
Density setting:
> 0.7 SGU
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