sa1e-tan2c IDEC Corporation, sa1e-tan2c Datasheet - Page 19

• Manufacturer Part Number: sa1e-tan2c
• Description: Sa1e Miniature Photoelectric Switches
• Manufacturer: IDEC Corporation

(07/03/06)
• • • • Polarized retroreflective type
• • • • Diffuse-reflective type/Small-beam reflective type/
3. Sensitivity Adjustment
• Referring to the table below, adjust the sensitivity of the SA1E
• After adjusting the sensitivity, make sure that stable LED turns on
• Sensitivity is set to the maximum at the factory before shipment.
Step
Install the reflector perpendicularly to the optical axis. Move the
SA1E photoelectric switch up, down, right and left to find the range
where the operation LED turns on. Fasten the switch in the middle
of the range. Polarized retroreflective type can be installed also by
finding the position where the reflection of projected red light is
most intense, while observing the reflection on the reflector from
behind the switch. Make sure that stable LED turns on at stable
incident and stable interruption.
Convergent reflective type
Place the SA1E photoelectric switch where the switch can detect
the object. Move the switch up, down, right and left to find the
range where the operation LED tuns on. Fasten the switch in the
middle of the range. Make sure that stable LED turns on at stable
incident and stable interruption. Because the light source element
of small-beam reflective type is a red LED, visual inspection is
possible as well.
photoelectric switch when necessary, in such cases as the
through-beam type is used to detect small or translucent objects
or the reflective type is affected by background. The table explains
the status of operation LED when the operation mode is set to light
ON.
at stable incident and stable interruption. For detecting objects too
small to turn on the stable LED, use an optional slit.
When adjusting the sensitivity, use the screwdriver supplied with
the SA1E photoelectric switch to turn the control as shown below,
to a torque of 0.05 N·m maximum.
1
2
3
Receiving light
• Through-beam,
• Diffuse reflective,
Light is interrupted
• Through-beam,
• Diffuse reflective,
polarized reflective:
No object detected
small-beam reflec-
tive, convergent
reflective:
Object detected
polarized reflective:
Object detected
small-beam reflec-
tive, convergent
reflective:
No object detected
Switch Status
Photoelectric
SA1E Miniature Photoelectric Switches (Built-in Amplifier Type)
max.
max.
B
max.
B
C
Sensitivity
Control
min.
min.
min.
A
A
A
Turn the control counter-
clockwise to the mini-
mum. Then turn clock-
wise until the operation
LED turns on (turns off
with dark ON type)
(point A).
At interruption status,
turn the control clock-
wise from point A, until
the operation LED turns
on (turns off with dark
ON type) (point B).
If the operation LED
does not turn on (turn
off with dark ON type)
even though the control
has reached the maxi-
mum, set the maximum
position as point B.
Set the middle point
between point A and B
as point C.
Adjusting Procedure
4. Adjustment of Sensing Range for Background Sup-
• When adjusting the sensing range, follow the instruction below.
Note 1: When the background is far off and not detected, turn the
Note 2: Because the control is multi-turn, it may take more than one
Note 3: Turning the control clockwise lengthens the sensing dis-
Note 4: Background suppression (BGS) type is not provided with a
5. Power Supply and Wiring
• Do not use the SA1E photoelectric switch at the transient status
• Use a power supply with little noise and inrush current, and use
• When using a switching power supply, make sure to ground the
• Turn power off before inserting/removing the connector on photo-
• To ensure the degree of protection, use the applicable connector
• Avoid parallel wiring with high-voltage or power lines in the same
• Use a cable of 0.3 mm
Step
immediately after turning on the power (approx. 100 ms, back-
ground suppression type: 200 ms). When the load and switch use
different power supplies, make sure to power up the switch first.
the photoelectric switch within the rated voltage range. Make sure
that ripple factor is within the allowable limit. Do not apply AC volt-
age, otherwise the switch may blow out or burn.
FG (frame ground) terminal, otherwise high-frequency noise may
affect the photoelectric switch.
electric switch. Make sure that excessive mechanical force is not
applied to the connector. Connect the connector cable to a tighten-
ing torque of 0.5 N·m maximum.
cable for the connector type. Connector cables are ordered sepa-
rately.
conduit, otherwise noise may cause malfunction and damage.
When wiring is long, use a separate conduit for wiring.
be extended up to 100m.
1
2
3
pression (BGS) Type
(Note 3)
Sensing Range Control
(6-turn)
control 360°, and set the point as point C.
turn to move from point A to point B.
tance.
stable LED.
Distance Control
B
B
A
A
A
C
2
minimum core wires, then the cable can
Install the photoelectric switch and the object
firmly. Turn the control counterclockwise until
the operation LED turns off (turns on with
dark ON type). From this point, turn the con-
trol clockwise until the operation LED turns
on (turns off with dark ON type) (point A).
Remove the object, and confirm that the
operation LED turns off (turns on with dark
ON type). Turn the control clockwise until the
operation LED turns on (detecting the back-
ground) (turns off with dark ON type) (point
B). (Note 1)
Set the middle point between point A and B
as point C. (Note 2)
Adjusting Procedure
(Note 4)
Operation LED (yellow)
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