Fork sensors | WFM | WFM120-120N311 | Adjustment: None | Light source: LED | Fork width/depth: 120 mm, 124 mm | Switching output: NPN | Switching mode: Light switching | Connection type Detail: Connector M8, 3-pin | Switching frequency: 4 kHz | Response time: ≤ 125 µs | Enclosure rating: IP67
Functional principle
Optical detection principle
Dimensions (W x H x D)
10 mm x 140 mm x 141.8 mm
Fork width
120 mm
Fork depth
124 mm
Light source
LED, visible red light
Minimum detectable object (MDO)
0.8 mm
Adjustment
None
MTTFD
131 years
DCavg
0 %
Supply voltage
10 V DC ... 30 V DC
Ripple
< 10 %
Current consumption
< 20 mA1)
Initialization time
140 ms
Switching frequency
4 kHz
Stability of response time
± 15 µs
Switching output
NPN
Switching output (voltage)
PNP: HIGH = VS– ≤ 1.5 V / LOW = 0 VNPN: HIGH = approx. VS/ LOW ≤ 1.5 V
Switching mode
Light switching
Output current Imax.
100 mA
Protection class
III2)
Circuit protection
UVconnections, reverse polarity protectedOutput Q short-circuit protectedInterference pulse suppression
Housing material
Aluminum
Kaal
Approx. 80 g ... 190 g1)
Ambient operating temperature
–10 °C ... +60 °C1)
Ambient temperature, storage
–40 °C ... +80 °C
Ambient light immunity
≤ 10,000 lx
Shock load
According to EN 60068-2-27
Enclosure rating
IP67
UL File No.
NRKH.E191603 & NRKH7.E191603
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
cULus certificate
✔
ECLASS 5.1.4
27270909
ECLASS 6.0
27270909
ECLASS 7.0
27270909
ECLASS 8.0
27270909
ECLASS 9.0
27270909
ECLASS 10.0
27270909
ECLASS 11.0
27270909
ECLASS 12.0
27270909
ECLASS 13.0
27270909
ECLASS 14.0
27270909
ECLASS 15.0
27270909
ETIM 6.0
EC002720
ETIM 7.0
EC002720
ETIM 8.0
EC002720
ETIM 9.0
EC002720
ETIM 10.0
EC002720
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