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TOF/Start-EA
4. Introduction
The TOF/Start-EA (Entrance Automation) is a compact yet
powerful sensor which detects people and objects and
reliably triggers an opening signal. The sensor has been
specially developed as a door opener for both pedestrian
doors and industrial doors. Its TOF technology enables
the TOF/Start-EA to operate with all types of backgrounds
without any need to recalibrate. Its key advantage is its
ability to reliably distinguish between traffic passing by
(cross-traffic) and traffic that intends to go through the
door. This ability to automatically ignore cross-traffic
greatly boosts energy-saving and reduces mechanical
stress on the doors caused by unnecessary openings.
4.1
Application
Figure 1:
TOF/Start-EA ignores cross-traffic via intelligent
door opening
4.2
Features of the TOF/Start-EA
• Excellent detection capability, independent of
reflectance
• Ignores cross-traffic via intelligent direction
recognition
• Individual setting of the detection area
• Detection area operates with all types of background
• Insensitive to ambient light
4
4.3
Type description
TOF/Start -EA – aa – b – c – d – eee – f; g,g*h,h
aa
: Aperture angle in °
b
: x-axis
N
Potentiometer
T
Teach-in
P
Preset
c
: y-axis
N
Potentiometer
T
Teach-in
P
Preset
d
: C
Automatic calibration
eee
: 1PP Output - PNP/NPN (push-pull)
2PP 2*Output - PNP/NPN (push-pull)
1NP Output - NPN
1PN Output - PNP
2NP 2*Output - NPN
2PN 2*Output - PNP
f
: -
Non-blanking
B
Blanking
g,g
: x-axis
Protection field in m
h,h
: y-axis
Protection field in m
Figure 2:
Type description
5. Configuration
5.1
Type of threshold setting
The distance at which the sensor triggers an output is the
threshold. The TOF/Start-EA requires a threshold setting
for the x-axis as well as the y-axis using potentiometers. A
factory setting, as well as a mixture of potentiometer and
preset, are also possible on request.
Note: The sensor uses a ±120 mm (±4.72 in) hysteresis.
The hysteresis is the difference between the switching
points changing the status from 'free field' to 'object
detected' and back from 'object detected' to 'free field',
compared to the nominal limit.
5.1.1 Threshold setting via potentiometer
The threshold distance at which the sensor triggers
an output is set with a potentiometer for the x-axis and
y-axis. This is done using the potentiometer at the back
of the sensor. If the sensor points to a background, the
distance of the switching threshold to the background is
recommended to be set at 150 mm.
English
Threshold
settings
Only if Preset
type
© CEDES | V 1.0
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