Installation
Guide
S18 Sensors – dc-Voltage Series
Self-contained, dc-operated sensors
Sensing Mode
Opposed
Retroreflective†
Polarized
Retroreflective†
P
R
LISTED
Cabled Emitters
bn
+
bu
–
Diffuse
+
bu
–
Fixed
Field
10 - 30V dc
No Connection
NPN (Sinking) Outputs
Standard Hookup
bu
bn
bk
wh
–
10 - 30V dc
+
Load
Alarm
S18SN6R
PNP
S18SP6R
NPN
S18SN6L
PNP
S18SP6L
NPN
S18SN6LP
PNP
S18SP6LP
100 mm
(4")
NPN
S18SN6D
PNP
S18SP6D
300 mm
(12")
NPN
S18SN6DL
PNP
S18SP6DL
NPN
S18SN6FF25
PNP
S18SP6FF25
50 mm (2")
cutoff
NPN
S18SN6FF50
PNP
S18SP6FF50
100 mm (4")
cutoff
NPN
S18SN6FF100
PNP
S18SP6FF100
2m
(79")
Visible
Red
680 nm
Infrared
880 nm
Dimensions
QD Models
Yellow LED
Output Indicator
Yellow LED
Output Indicator
Jam Nuts
(2 Provided)
2m
(6.5') Cable
59.2 mm*
(2.33")
Green LED
Power Indicator
Jam Nuts
(2 Provided)
18 x 1 mm
Thread
Green LED
Power Indicator
PNP (Sourcing) Outputs
S186E
NPN
Infrared
950 nm
Cabled Models
–
10 - 30V dc
+
Model*
* Standard 2 m (6.5') cable models are listed.
• 9 m (30') cable: add suffix “W/30” (e.g., S186E W/30).
• 4-pin Euro-style QD models: add suffix “Q” (e.g., S186EQ). A model with a QD connector requires a
mating cable.
† Use polarized models when shiny objects will be sensed.
Load
Load
Alarm Hookup
bn
bu
bk
wh
Output
–
20 m
(66')
25 mm (1")
cutoff
bk
wh
LED
10-30V dc
QD Emitters
bn
Range
37.0 mm
(1.46")
18 x 1 mm
Thread
78.0 mm*
(3.07")
37.0 mm
(1.46")
Standard Hookup
bn
bu
bk
wh
+
–
*Polarized retro and fixed-field models = 65.0 mm (2.56")
10 - 30V dc
Load
Load
Alarm Hookup
bu
bn
bk
wh
+
–
10 - 30V dc
Load
Alarm
NOTE: QD hookups are functionally identical.
Downloaded from Elcodis.com electronic components distributor
*Polarized retro and fixed-field models = 83.8 mm (3.30")
S18 Sensors – dc-Voltage Series
Specifications
Supply Voltage and Current (exclusive of load current): 10 to 30V dc (10% max.
ripple); supply current (exclusive of load current):
Emitters, Non-Polarized Retro, Diffuse: 25 mA
Receivers: 20 mA
Polarized Retroreflective: 30 mA
Fixed-Field: 35 mA
Supply Protection Circuitry
Protected against reverse polarity and transient voltages
Output Configuration
SPDT solid-state dc switch; Choose NPN (current sinking) or PNP (current
sourcing) models
Light Operate: N.O. output conducts when sensor sees its own (or the
emitter’s) modulated light
Dark Operate: N.C. output conducts when the sensor sees dark; the N.C.
(normally closed) output may be wired as a normally open
marginal signal alarm output, depending upon hookup to power
supply (U.S. patent 5087838)
Output Rating
150 mA maximum (each) in standard hookup. When wired for alarm output, the
total load may not exceed 150 mA.
OFF-state leakage current: < 1 microamp @ 30V dc
ON-state saturation voltage: < 1V at 10 mA dc; < 1.5V at 150 mA dc
Output Protection Circuitry
Protected against false pulse on power-up and continuous overload or short
circuit of outputs
Output Response Time
Opposed mode: 3 ms ON, 1.5 ms OFF
Retro, Fixed-Field and Diffuse: 3 ms ON and OFF
NOTE: 100 ms delay on power-up; outputs do not conduct during this time.
Repeatability
Opposed mode: 375 µs
Retro, Fixed-Field and Diffuse: 750 µs
Repeatability and response are independent of signal strength.
Indicators
Two LEDs (Green and Yellow)
Green ON steady: power to sensor is ON
Green flashing: output is overloaded
Yellow ON steady: N.O. output is conducting
Yellow flashing: excess gain marginal (1 to 1.5x) in light condition
Construction
PBT polyester housing; polycarbonate (opposed mode) or acrylic lens
Environmental Rating
Leakproof design rated NEMA 6P, DIN 40050 (IP69K)
Connections
2 m (6.5') or 9 m (30') attached cable, or 4-pin Euro-style quick-disconnect
fitting
Operating Conditions
Temperature: -40° to +70°C (-40° to +158°F)
Maximum relative humidity: 90% at 50°C (non-condensing)
Vibration and Mechanical Shock
All models meet Mil. Std. 202F requirements. Method 201A (Vibration;
frequency 10 to 60 Hz, max., double amplitude 0.06" acceleration 10G).
Method 213B conditions H&I (Shock: 75G with unit operating; 100G for
non-operation)
Certifications
R
LISTED
Quick-Disconnect (QD) Cables
Style
4-pin
Euro-style
Straight
Model
MQDC-406
MQDC-415
MQDC-430
Length
2 m (6.5')
5 m (15')
9 m (30')
Dimensions
Pin-Out
ø 15 mm
(0.6")
44 mm max.
(1.7")
M12 x 1
White Wire
Brown Wire
Blue Wire
38 mm max.
(1.5")
4-pin
Euro-style
Right-angle
MQDC-406RA
MQDC-415RA
MQDC-430RA
2 m (6.5')
5 m (15')
9 m (30')
38 mm max.
(1.5")
M12 x 1
ø 15 mm
(0.6")
Downloaded from Elcodis.com electronic components distributor
Black Wire
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