Omron E3NT-L, Руководство по эксплуатации

Страница: 11 / 66

12
Diffuse reflective sensor Section 3-1
3-1 Diffuse reflective sensor
3-1-1 General data
3-1-2 Optical data
Sensor type E3NT-L @@ 7 Diffuse reflective sensor with background respectively fore-
ground suppression
Signal evaluation Double triangulation method
Options Window heating, analog output
User settings By push button on the sensor or with a PC connected via the
optical data link (order separately)
Operating modes Background suppression, foreground suppression, back-
ground and foreground suppression (2-point window evalua-
tion)
Optical data link (order separately) Set-up via a PC, real-time analog value output, firmware
update
Emitted light Infrared, 850 - 880 nm
Rated sensing distance 2 m
Setting distance, Sr teachable/manual set-up
0.2 ... 2.0 m (90 % remission)
0.2 ...1.7 m (6% remission)
Standard measured object Kodak grey card 90%, 200 x 200 mm
Blind zone < 0.1 m
Black/white error (6%/90%) < 15 % (of setting distance Sr)
Hysteresis < 5 % of setting distance Sr (remission 90 %) or max. 4 cm
< 10 % of setting distance Sr (remission 6 %) or max. 6 cm
(higher value valid)
Repetition accuracy < 5 % (of setting distance Sr) or 4 cm (higher value valid)
Light spot diameter < 40 mm in the case of Sr = 2 m
Minimum object size > 40 mm
Ambient light immunity to EN 60947-5-2
Halogen lamps (100-120 Hz)
Fluorescent lamps (30 kHz)
Energy saving lamps
> 10,000 lux
> 5,000 lux
> 2,000 lux
(max. illuminance of an energy saving lamp)