QM42 & QMT42 Series

Overview

  • Features compact, low-cost dc sensors in NEMA 6 (IEC IP67) die-cast housings
  • Delivers outstanding immunity to electrical noise
  • QM42 series: Available in opposed, polarized retroreflective, diffuse, short-range adjustable-field and plastic fiber optic sensing modes
  • QMT42 series (slightly larger): Available in diffuse, fixed-field and long-range adjustable-field sensing modes
  • Offers the longest range—6 m—for any diffuse sensor on the market (QMT42)
  • Includes marginal gain and Power ON indicator

Product Specifications

Supply Voltage and Current10 to 30V dc (10% max. ripple) Opposed Emitters:less than 30 mA
Opposed Receivers:less than 10 mA
Polarized Retroreflective and Diffuse (short range):less than 20 mA
Fixed-field and Diffuse (long range):less than 40 mA
Adjustable-field:less than 50 mA
Fiber Optic:less than 30 mA
RangeQM42:
Opposed:10 m
Polarized Retroreflective:3 m, range is specified using one model BRT-3 retroreflector
Diffuse (short range):400 mm
Adjustable-field (short range):5 mm to cutoff point (adj. between 50-150 mm)
Plastic Fiber Optic:Range varies by sensing mode and fiber optics used
QMT42:
Diffuse (long range):10 mm-6 m
Fixed-field:50-500, 50-750, 50-1000, 50-1500 or 50-2000 cutoff, depending on model
Adjustable-field (long range):25 mm to cutoff point (adj. between 50-150 mm)
Sensing BeamOpposed, Diffuse, Polarized Retroreflective, Fixed-field and Fiber Optic:Infrared, 880 nm; Visible Red, 660 nm
Adjustable-field:Visible Red, 680 nm
Output ConfigurationSolid-state complementary (SPDT) switch:NPN (current sinking) or PNP (current sourcing), depending on model
Output Rating100 mA max. (each output) OFF-state leakage:less than 5 µA @ 30V dc
ON-state saturation voltage:less than 1V @ 10 mA dc; less than 1.5V @ 100 mA dc
Output Protection CircuitryProtected against false pulse on power-up and continuous overload or short circuit of outputs; Overload trip point greater than or equal to 150 mA, typical @ 20° C
Output Response TimeResponse time is independent of signal strength Opposed:100 milliseconds ON; 0.5 milliseconds OFF
Diffuse, Polarized Retroreflective, Adjustable-field and Fixed-field:1 millisecond ON/OFF
Fiber Optic:0.25 millisecond ON/OFF
RepeatabilityRepeatability is independent of signal strength. Opposed:120 microseconds
Diffuse, Polarized Retroreflective, Adjustable-field and Fixed-field:250 microseconds
Fiber Optic:60 microseconds
Sensing HysteresisDiffuse (long range):less than 20% of set sensing distance
Adjustable-field:less than 7% of set cutoff distance
Fixed-field:
2000 mm:less than 5% of set cutoff distance
1500 mm:less than 4% of set cutoff distance
1000 mm:less than 3% of set cutoff distance
750 mm:less than 2% of set cutoff distance
500 mm:less than 1% of set cutoff distance
Cutoff Point ToleranceFixed-field:±10% of nominal cutoff distance
AdjustmentsFixed-field and Emitters:No adjustments
Diffuse (long range):4-turn slotted sensitivity (Gain) adjustment potentiometer (clutched at both ends of travel)
Adjustable-field (150 mm):12-turn slotted brass cutoff distance adjustment potentiometer (clutched at both ends of travel)
Adjustable-field (400 mm):15-turn slotted brass cutoff distance adjustment potentiometer (clutched at both ends of travel)
All others:15-turn slotted brass cutoff distance adjustment potentiometer (clutched at both ends of travel)
Indicators2 LED Indicators:Green and Yellow
Green ON steady:power to sensor is ON
Green flashing:output is overloaded
Yellow ON steady:light sensed, light-operate (LO) output is energized
Yellow flashing:marginal excess gain (1-1.5x) in light condition
ConstructionHousing are die-cast zinc alloy with black acrylic polyurethane finish; lenses are acrylic
Environmental RatingIP67; NEMA 6
Connections2 m or 9 m attached cable, or 4-pin Euro-style quick-disconnect fitting. QD cables are ordered separately.
Operating ConditionsTemperature:
Diffuse (long range), Adjustable-field and Fixed-field:-20° to +55° C
All others:-20° to +70° C
Relative humidity:90% @ 50° C (non-condensing)

English

Data Sheets

Document Name Part Number File Size Download
1. QMT42 Series
(Adjustable-Field, 400 mm)
49211 Download
2. QM42 Series
(Opposed, Retroreflective, Diffuse)
44487 Download
3. QMT42 Series
(Long-Range Diffuse)
57890 Download
4. QMT42 Series
(Fixed-Field)
50756 Download

Dutch

Data Sheets

Document Name Part Number File Size Download
1. QM42 -- Datasheet
(Dutch)
DD028 Download
2. QMT42 Series, Long-Range Diffuse -- Datasheet
(Dutch)
DD027 Download
3. QM42 Standard Series -- Datasheet
(Dutch)
DD029 Download
4. QMT42 Series, Long-Range Diffuse -- Datasheet
(Dutch)
DD052 Download

French

Data Sheets

Document Name Part Number File Size Download
1. QM42 Series
(Multilingual)
53862_FR Download
2. QM42 -- Datasheet
(French)
FD028 Download
3. QMT42 Series, Fixed Field -- Datasheet
(French)
FD027 Download
4. QM42 Standard Series -- Datasheet
(French)
FD029 Download
5. QMT Series, Long-Range Diffuse -- Datasheet
(French)
FD052 Download

German

Data Sheets

Document Name Part Number File Size Download
1. QM42 Series
(Multilingual)
53862_DE Download
2. QMT42 Series, Long-Range Diffuse -- Datasheet
(German)
GD027 Download
3. QM42 -- Datasheet
(German)
GD028 Download
4. QM42 Standard Series -- Datasheet
(German)
GD029 Download
5. QMT42 Series, Long-Range Diffuse -- Datasheet
(German)
GD052 Download

Italian

Data Sheets

Document Name Part Number File Size Download
1. QM42 Series
(Multilingual)
53862_IT Download
2. QM42 Standard Series -- Datasheet
(Italian)
ID029 Download
3. QM42 -- Datasheet
(Italian)
ID028 Download
4. QMT42 Series, Long-Range Diffuse -- Datasheet
(Italian)
ID027 Download
5. QMT42 Series, Long-Range Diffuse -- Datasheet
(Italian)
ID052 Download

Japanese

Data Sheets

Document Name Part Number File Size Download
1. QM42 J10034M Download
2. QMT42 Series, Fixed Field - Japanese J10033M Download
3. QM42 J10032M Download
4. QM42 Series
(Multilingual)
53862_JP Download

Portuguese

Data Sheets

Document Name Part Number File Size Download
1. QMT42 Series, Long-Range Diffuse - Portuguese PD052 Download
2. QM42 Standard Series - Portuguese PD029 Download
3. QMT42 Series, Fixed Field - Portuguese PD027 Download
4. QMT42 PD028 Download

Spanish

Data Sheets

Document Name Part Number File Size Download
1. QM42 Series
(Multilingual)
53862_ES Download
2. QM42 Series, Adjustable Field - Spanish SD028 Download
3. QMT42 Series, Fixed Field - Spanish SD027 Download
4. QMT42 Series, Long-Range Diffuse - Spanish SD052 Download
5. QM42 Standard Series - Spanish SD029 Download

United Kingdom

Data Sheets

Document Name Part Number File Size Download
1. QM42 Series -- Datasheet
(Multilingual)
53862 Download
2. QM42 ED028 Download
3. QMT42 Series, Fixed-Field ED027 Download
4. QM42 Standard Series - UK English ED029 Download
5. QMT42 Series, Long-Range Diffuse - UK English ED052 Download

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