Rockwell Automation 840E Solid-State Level Sensors - Manual (Page 17)

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