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E2S-W21B 5M

Super-compact Proximity Sensor

Image

Compact square type proximity sensor, Top panel, Sensing distance 2.5 mm, DC 2-wire, NO, Different frequency, Cable length 5 m

Sensing head size 8 mm x 7.4 mm x 20 mm
Type Square type, Unshielded, Different frequency type
Power source DC 2-wire models
Sensing distance 2.5 mm ±15%
Setting distance 0 to 1.9 mm
Operation mode NO

Item list of E2S

  • Ratings/Performance
Sensing head size8 mm x 7.4 mm x 20 mm
TypeSquare type, Unshielded, Different frequency type
Power sourceDC 2-wire models
Sensing distance2.5 mm ±15%
Setting distance0 to 1.9 mm
Differential distance10% max. of sensing distance
Sensing objectFerrous metal (Sensitivity lowers with non-ferrous metals.)
Standard sensing objectIron 15 x 15 x 1 mm
Response frequency1 kHz (Average value)
Power supply voltage12 to 24 VDC ripple (p-p) 10% max.
Operating voltage range10 to 30 VDC
Leakage current0.8 mA max.
Control output (Switching capacity)3 to 50 mA
IndicatorOperation indicator (red), Operation setting indicator (green)
Operation modeNO
Protective circuitPower supply reverse polarity protection
Surge suppressor
Ambient temperature (Operating)-25 to 70 ℃
Ambient temperature (Storage)-40 to 85 ℃
Ambient humidity (Operating)35 to 90 %
Ambient humidity (Storage)35 to 95 %
Temperature influence±15% max. of sensing distance at 23 ℃ in the temperature range of −25 to 70 ℃
Voltage influence±2.5% max. of sensing distance at rated voltage in the rated voltage ±10% range
Insulation resistanceBetween charged parts and the case: 50 MΩ min. at 500 VDC
Dielectric strengthBetween charged parts and the case: 1,000 VAC 50/60 Hz 1 min
Vibration resistanceDestruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistanceDestruction: 500 m/s2 3 times each in X, Y and Z directions
Degree of protectionIEC: IP67
Connection methodPre-wired models (5 m)
MaterialCase: Polyarylate
AccessoriesMounting Bracket
  • Dimensions

Dimensions

  • Output circuit

Output circuit

Timing chart

  • Mutual interference

Mutual interference

A: 50 mm min., B: 8 mm min.

  • Effects of surrounding metals

Effects of surrounding metals

A: 0 mm min., B: 15 mm min., C: 10 mm min.

  • Characteristic chart

Sensing distance vs. size and material of sensing object

Sensing range

Series

Super-compact Proximity Sensor

E2S