E2S, Omron-Super-compact Proximity Sensor

E2S, Omron-Super-compact Proximity Sensor[/caption]

These Proximity Sensors use high-frequency oscillation. They resist heat, chemicals, and water better than Rectangular Sensors. They are available in both shielded and unshielded models. Proximity Sensors are available in models using high-frequency oscillation to detect ferrous and non-ferrous metal objects and in capacitive models to detect non-metal objects. Models are available with environment resistance, heat resistance, resistance to chemicals, and resistance to water.

Features

• Only 5.5 ´ 5 mm with a built-in Amplifier.
• Maximum sensing distance: 5 mm. Stable detection even with workpiece fluctuations.
• Response frequency: 1
• Low current

Specifications

Item                    Model		E2S-@@@
Protection circuits		Reverse polarity protection, Surge suppressor
Ambient temperature range		Operating: -25 to 70°C (with no icing or condensation), Storage: -40 to 85°C (with no icing or condensation)
Ambient humidity range		Operating: 35% to 90% (with no condensation), Storage: 35% to 95% (with no condensation)
Temperature influence		±15% max. of sensing distance at 23°C in the temperature range of -25 to 70°C
Voltage influence		±2.5% max. of sensing distance at rated voltage in rated voltage ±10% range
Insulation resistance		50 MÙ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength		1,000 VAC for 1 min between current-carrying parts and case
Vibration resistance		Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance		Destruction: 500 m/s2 3 times each in X, Y, and Z directions
Degree of protection		IEC 60529 IP67
Connection method		Pre-wired Models (Standard cable length: 1 m)
Weight (packed state)		Approx. 10 g
Materials	Case	Polyarylate resin
Accessories		Mounting Brackets

DC 2-Wire Models

Model Item		E2S-W11 E2S-W12	E2S-Q11 E2S-Q12	E2S-W21 E2S-W22	E2S-Q21 E2S-Q22
Sensing surface		Top	Front	Top	Front
Sensing distance		1.6 mm ±15%		2.5 mm ±15%
Set distance		0 to 1.2 mm		0 to 1.9 mm
Differential travel		10% max. of sensing distance
Detectable object		Ferrous metal (The sensing distance decreases with non-ferrous metal. Refer to Engineering Data on page 4.)
Standard sensing object		Iron, 12 ´ 12 ´ 1 mm		Iron, 15 ´ 15 ´ 1 mm
Response frequency *		1 kHz min.
Power supply voltage (operating voltage range)		12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max.
Leakage current		0.8 mA max.
Control output	Load current	3 to 50 mA max.
	Residual voltage	3 V max. (under load current of 50 mA with cable length of 1 m)
Indicators		@@1 Models: Operation indicator (red), Setting indicator (green) @@2 Models: Operation indicator (red)
Operation mode (with sensing object approaching)		@@1 Models: NO @@2 Models: NC                  Refer to the timing charts under I/O Circuit Diagrams on page 5 for details.

DC 3-Wire Models

Model Item		E2S-W13 E2S-W14	E2S-Q13 E2S-Q14	E2S-W23 E2S-W24	E2S-Q23 E2S-Q24	E2S-W15 E2S-W16	E2S-Q15 E2S-Q16	E2S-W25 E2S-W26	E2S-Q25 E2S-Q26
Sensing surface		Top	Front	Top	Front	Top	Front	Top	Front
Sensing distance		1.6 mm ±15%		2.5 mm ±15%		1.6 mm ±15%		2.5 mm ±15%
Set distance		0 to 1.2 mm		0 to 1.9 mm		0 to 1.2 mm		0 to 1.9 mm
Differential travel		10% max. of sensing distance
Detectable object		Ferrous metal (The sensing distance decreases with non-ferrous metal. Refer to Engineering Data on page 4.)
Standard sensing object		Iron, 12 ´ 12 ´ 1 mm		Iron, 15 ´ 15 ´ 1 mm		Iron, 12 ´ 12 ´ 1 mm		Iron, 15 ´ 15 ´ 1 mm
Response frequency *		1 kHz min.
Power supply voltage (operating voltage range)		12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max.
Current consumption		13 mA max. at 24 VDC (no-load)
Control output	Load current	NPN open-collector output, 50 mA max. (30 VDC max.)				PNP open-collector output, 50 mA max. (30 VDC max.)
	Residual voltage	1.0 V max. (under load current of 50 mA with cable length of 1 m)
Indicators		Operation indicator (orange)
Operation mode (with sensing object approaching)		@@3 Models: NO @@4 Models: NC Refer to the timing charts under I/O Circuit Diagrams on page 5 for details.				@@5 Models: NO @@6 Models: NC Refer to the timing charts under I/O Circuit Diagrams on page 5 for details.

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