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EE-SX914-R Datasheet(PDF) 6 Page - Omron Electronics LLC

Part No. EE-SX914-R
Description  Compact Pre-wired Photomicrosensor with Built-in Amplifier (Non-modulated)
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Maker  OMRON [Omron Electronics LLC]
Homepage  http://www.omron.com/index3.html
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EE-SX914-R Datasheet(HTML) 6 Page - Omron Electronics LLC

   
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EE-SX91
6
Safety Precautions
Refer to Warranty and Limitations of Liability.
This product is not designed or rated for ensuring
safety of persons either directly or indirectly. Do not
use it for such purposes.
• Power Supply Voltage
Do not exceed the voltage range
indicated in the specifications.
Applying a voltage exceeding
the specifications or using an AC
power supply may result in
rupture or burning.
•Faulty Wiring
Do not reverse the power supply
polarity. Doing so may result in
rupture or burning.
• Do not short-circuit the load. (Do
not connect to the power
supply.)
Doing so may result in rupture or
burning.
• Dispose of this product as
industrial waste.
● Installation
• It is assumed that EE-SX91 Sensors will be built into a device.
These Sensors use non-modulated light and are not equipped to
deal with interference from an external light source. When they are
used in locations subject to external light interference, such as near
a window or under an incandescent light, install them to minimize
the effects of external light interference.
• Mount the Sensors securely on a flat surface.
• Use M3 or M2.0 screws to secure the Photomicrosensor. (The
stronger M3 screws are recommended. In addition, use flat
washers and spring washers to prevent the screws from loosening.)
Refer to the following table for the correct tightening torque.
• If the Sensor is to be used on a moving part, secure the cable
connection point so that it is not directly subjected to stress.
● Wiring
Unused Output Lines
Be sure to isolate output lines that are not going to be used.
Connecting to Devices with Voltage Input Specifications
A Sensor with an open-collector output can be connected to a counter
with a voltage input by connecting a resistor between the power
source and output. Select a resistor with reference to the following
example. The resistance of the resistor is generally 4.7 k
Ω and its
wattage is 1/2 W for a supply voltage of 24 V and 1/4 W for 12 V.
Example: EE-SX91 Series
Load Resistance of 4.7 k
Ω Connected in a Counter
Counter Specifications
The high and low levels are found using the following formulas. The
input device specifications must satisfy both formulas.
High level:
Low level:
Input voltage VL
≤ 1.0 V (Residual voltage for 50-mA load current)
Note: Refer to the ratings of the Sensor for the residual voltage of the load
current.
WARNING
Precautions for Safe Use
Sensor
Brown
Blue
Load
Load
Black
White
Sensor
Brown
Blue
Black
White
+
Load
Load
+
Sensor
Brown
Blue
+
Black
White
Load
d short-circuit)
(Loa
Load
ck
(
Precautions for Correct Use
Screw diameter
Tightening torque
M2.0
0.15 N·m max.
M3
0.54 N·m max.
Input impedance
5.6 K
Ω
Voltage judged as high level (input ON)
4.5 to 30 VDC
Voltage judged as low level (input OFF)
0 to 2 VDC
SW
main
circuit
Tr
+Vcc
EE-SX91 series
Counter (Voltage input type)
Insert a resistor
Output
0 V
0 V
R
24 V
Power supply
Z
Input terminal (CP)
(Input impedance:
approx. 5.6 k
Ω)
Input voltage VH =
R+Z
Z
Vcc =
4.7 k+5.6 k
5.6 k
× 24 V = 13 V
Load current Ic =
R
Vcc
=
= 5.1 mA
≤ 50 mA
R
24 V


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