OMRON W7ED11F Datasheet [de]
New Product
No design required
Reliable operation
No need to perform sensitivity adjustments or design circuits! Minimizes development man-hours.
L-shaped electrode type
(L-shaped electrode type)
I-shaped electrode type
Touch electrode (conductive material)
[Line-Up]
[Mounting example]
Output
=> To main board
Connects easily
Touch electrodes and touch sensors can be fastened just using screws.
No PCBs, facilitating touch sensor configurations.
L-shaped electrode
Achieves reliable operation using a touch electrode that changes capacitance depending on the level of
touch.
Touch Sensor
W7ED
Reliable operation that requires only a light touch.
Models equipped with anti-static FG terminals
are also available.
• Suitable for embedding in equipment
• Enables touch sensor configurations to be created that suit your
application. Touch electrodes and touch sensor electrodes can be
fastened just using screws.
• Body-to-electrode static electricity transfers can easily be
prevented using FG terminal models.
• Supports 5 to 15 VDC, with open-collector output.
Refer to Safety Precautions on page 6.
Features
Application Examples
Lights Elevators Vending Machines Faucets
^
^
1
W7ED
W7ED-@ @ @
(1) (2) (3)
(1) Detected capacitance
1: 25 pF
(3) Electrode shape
F: I-shaped
L: L-shaped
(2) FG terminal
1: Without
2: With
Model Number Legend
Specifications
Electrode shape Appearance FG terminal Model
Without W7ED-11F
I-shaped
With W7ED-12F
Without W7ED-11L
L-shaped
With W7ED-12L
2
W7ED
VCC
OUT
GND
Electrode
Power
supply
Power
supply
VCC
Electrode
OUT
GND
Touch
sensor
main
circuit
FG *
Touch
sensor
main
circuit
FG terminal not provided
(W7ED-11F, W7ED-11L)
FG terminal provided
(W7ED-12F, W7ED-12L)
Capacitance detection
Detected
Not detected
Output transistor
ON
OFF
Ratings and Specifications
Detected capacitance * 25 ± 5 pF
Power supply voltage 5 VDC (-10%) to 15 VDC (+10%)
Output Open collector (max. output current: 10 mA)
Residual output voltage 0.4 V max.
Operation mode
Current consumption 10 mA max.
Voltage influence
Temperature influence
Ambient temperature
Ambient humidity 25 to 85%RH
* ”Detected capacitance” refers to the detected capacitance value when capacitance is applied between the electrode and the ground terminal of
the touch sensor circuit.
When detecting capacitance (human touch detected): Output transistor ON
When not detecting capacitance (no human touch detected): Output transistor OFF
With rated supply voltage within a range of ±10% and a rate of change for detected capacitance within ±10%
when powered using the rated supply voltage
Within an ambient temperature range when operating and a rate of change for detected capacitance within ±10%
at +23°C
When in use: -10 to 60°C (no icing or condensation)
When in storage: -20 to 70°C (no icing or condensation)
Output Circuit Diagram
* We recommend connecting the FG terminal to a stable potential on the device’s frame ground.
Operation Chart
3
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