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COLOR &
lUMINESCENCE
PICK-TO-LIGHT
SLOT & LABEL
MEASUREMENT & INSPECTION
MEASURING LIGHT
SCREENS
TEMPERATURE
LIGHT
GAUGING
RADAR
ULTRASONIC
U-GAGE
®
S18U Specifications (cont’d)
Output Ratings
Analog:
Analog Voltage Output: 2.5 kΩ min. load resistance
Minimum supply for a full 10V output is 12V dc (for supply voltages
between 10 and 12, V out max is at least V supply -2)
Analog Current Output: 1 kΩ max @ 24V input
Max load resistance = (Vcc-4)/0.02 Ω
Discrete: 100 mA max.
OFF-state leakage current: less than 5 µA
NPN saturation: less than 200 mV @ 10 mA and less than 600 mV @ 100 mA
PNP saturation: less than 1.2V @ 10 mA and less than 1.6V @ 100 mA
Output Configuration
Analog: 0 to 10V dc or 4 to 20 mA, depending on model
Discrete: Bipolar: One NPN (current sinking) and one PNP (current sourcing) output in each model.
Solid-state switch conducts when target is sensed within sensing window.
Output Response Time
Analog: 30 milliseconds: Black wire at 0-2V dc (or open) Discrete: 5 milliseconds
2.5 milliseconds: Black wire at 5-30V dc
Delay at Power-up
300 milliseconds
Linearity*
(Analog output models)
2.5 milliseconds response: ± 1 mm
30 milliseconds response: ± 0.5 mm
Resolution*
(Analog output models)
2.5 milliseconds response: 1 mm
30 milliseconds response: 0.5 mm
Repeatability
0.5 mm
Temperature Effect
0.02% of distance/ ° C
Temperature Warmup Drift
Less than 1.7% of sensing distance upon power-up
Minimum Window Size
5 mm
Switching Hysteresis
(Discrete output models)
0.7 mm
Adjustments
Sensing window limits: TEACH-Mode programming of near and far window limits may be set using
the push-button or remotely using TEACH input.
Indicators
Power/Signal Strength (Red/Green)
Green—Target is within sensing range
Red—Target is outside sensing range
OFF—Sensing power is OFF
TEACH/Output Indicator (Yellow/Red)
Yellow —Target is within taught limits
OFF—Target is outside taught window limits
Red—Sensor is in TEACH mode
Remote TEACH Input
Impedance: 12 kΩ
Construction
Threaded Barrel: Thermoplastic polyester Push-Button Housing: ABS/PC
Push Button: Santoprene Lightpipes: Acrylic
Environmental Rating
Leakproof design is rated IEC IP67; NEMA 6P
Connections
2 m or 9 m shielded 5-conductor (with drain) PVC jacketed attached cable, or 5-pin Euro-style
quick-disconnect. QD cables are ordered separately. See page 415.
Operating Conditions
Temperature: -20° to +60° C Relative humidity: 100%
Vibration and
Mechanical Shock
All models meet Mil. Std. 202F requirements. method 201A (vibration: 10 to 60 Hz max.,
double amplitude 0.06”, maximum acceleration 10G). Also meets IEC 947-5-2 requirements: 30G
11 milliseconds duration, half sine wave
Application Notes
Objects passing inside the specied near limit may produce a false response.
Certifications
Hookup Diagrams
Analog Models: MI13 (p. 535) Discrete Models: MI12 (p. 534)
*Linearity and resolution are specified using a 50 x 50 mm aluminum plate at 22° C under fixed sensing conditions.
