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S8-PR...M
Background suppression
S8-PR...B
Polarised retroreflex
S8-PR...C
Diffuse proximity
S8-PR...F/G
Receiver/Emitter
INSTRUCTION MANUAL
CONTROLS
OUTPUT LED (yellow) (S8...B/C/M/F)
The yellow LED ON indicates the output status.
POWER ON LED (green)
The green LED ON indicates the powering status and the laser emission
presence.
DISTANCE ADJUSTMENT TRIMMER (ADJ.) (S8...M)
The multiturn trimmer with clutch (8 turns) adjusts the suppression distance
through the mechanical variation of the optic triangulation angle.
The operating distance increases rotating the trimmer in a clockwise direction.
Please refer to "SETTING" paragraph for the correct use procedure.
SENSITIVITY TRIMMER (ADJ.) (S8..B/C/F)
The sensitivity and operating distance can be adjusted using this trimmer.
See the "SETTING" paragraph for procedure indications.
LIGHT/DARK TRIMMER
The light/dark mode is selected using a mono-turn trimmer.
Please refer to "SETTING" paragraph for the correct use procedure.
WARNING: the maximum mechanical rotation range of the trimmer is 240°.
Do not force over of the maximum and minimum positions.
INSTALLATION
The sensor can be positioned by means of the two housing
holes using two screws (M3x18 or longer, 0.8Nm
maximum tightening torque) with washers.
Various orientable fixing brackets to ease the sensor
positioning are available (please refer to the accessories
listed in the general catalogue).
The operating distance is measured from the front surface
of the sensor optics.
CONNECTIONS
M8 Connector
Pig-tail with M12 connector
S8....B
S8...B
S8....M/C/F
S8....M/C/F
S8...G
S8...G
S8...M
Power supply:
Ripple:
Consumption (output current
35 mA max
excluded):
Outputs / Alarm output (only B):
Output current:
Output saturation voltage:
Response time:
1ms
Switching frequency:
500Hz
Emission type:
50..300mm
Operating distance (typical values):
8-turn distance
Regulations
adjustment trimmer
LIGHT/DARK selection:
Indicators:
Operating temperature:
Storage temperature:
Dielectric strength:
Insulating resistance:
Ambient light rejection:
Vibrations:
Shock resistance:
Housing material:
Lens material:
Mechanical protection:
M8 4-pole connector / cable with M12 4-pole connector with 150 mm length and 4 mm (pig-tail)
Connections:
Weight:
DARK/LIGHT SETTING
Rotate trimmer in an anti-clockwise direction to set the LIGHT mode (output
ON with the reflector).
Rotate trimmer in a clockwise direction to set the DARK mode (output ON in
presence of the object).
SUPPRESSION DISTANCE SETTING (S8...M)
1. Object detection (Light mode)
Position object to detect in front of the sensor at the distance required.
Turn distance adjustment trimmer (ADJ) to minimum: yellow LED OFF.
Rotate trimmer in a clockwise direction until the yellow LED turns ON.
Object detection condition (pos.A).
Pos.A
pos.B
2. Background suppression
Remove object and ensure that the background is in front of the sensor:
yellow LED OFF.
Rotate trimmer in a clockwise direction until the yellow LED turns ON:
background detection condition (pos.B).
The trimmer reaches maximum level with yellow LED OFF if the background
is outside the operating range.
Rotate trimmer in an anticlockwise direction until yellow LED turns OFF:
condition where background is outside operating range (pos.C).
3. Setting and control
Rotate trimmer in an anti-clockwise direction until the trimmer reaches an
intermediate point between position A and C.
If position A and C are close to each other, leave trimmer on position C.
The sensor is now ready to function correctly and in stable conditions.
TECHNICAL DATA
S8...B
S8...C
12 ... 30 VDC
2 Vpp max.
30 mA max
20 mA max
PNP or NPN N.O.; 30 Vdc max. (short-circuit protection)
100 mA (overload protection)
2 V
500 us
1KHz
RED (660 nm)
5m on R2, 7m on R5
50cm on 90% white
(EG2)
target (EG2)
Mono-turn sensitivity adjustment trimmer
Monoturn trimmer
OUTPUT LED (yellow) /
POWER ON LED (green)
-10 ... 55 °C
-20 ... 70 °C
: 1500 Vac 1 min. between electronics and housing
>20 M 500 Vdc between electronics and housing
according to EN 60947-5-2
0.5 mm amplitude, 10 ... 55 Hz frequency, for each axis (EN60068-2-6)
11 ms (30 G) 6 shocks for each axis (EN60068-2-27)
ABS
Window in glass; lens in PC
IP67
12 g. max. connector version / 50 g. pig-tail version
SETTINGS
SENSITIVITY SETTING (S8...B)
Alignment:
- Position and align the sensor and reflector
on opposite side at the desired distance.
- Rotate
sensitivity
adjustment
trimmer
(ADJ.)
to
maximum
point
(clockwise
direction).
- Move the sensor vertically and horizontally
to
determine
the
powering
on
powering off points of the yellow LED
(OUT) and fix the sensor in the middle of
these two points.
- To detect very small objects, reduce the
sensitivity using the specific trimmer (if necessary). Repeat procedure
reducing progressively the sensitivity to improve alignment.
Control:
- Enter object laterally in the detection area
and check that the yellow LED turns ON
(in dark mode).
- remove object and check that the yellow
LED turns OFF immediately (in dark
mode).
SETTINGS (S8...C)
Turn the sensitivity trimmer to minimum: the yellow LED is OFF (light
pos.C
mode). Position the target to detect in front of the sensor.
Turn the sensitivity trimmer clockwise until the yellow LED turns ON
(Target detected state, pos.A).
Remove the target, the yellow LED turns OFF.
Turn the sensitivity trimmer clockwise until the yellow LED turns ON
(Background detected state, pos.B).
The trimmer reaches maximum if the background is not detected.
Turn the trimmer to the intermediate position C, between the two positions
A and B.
SETTINGS (S8...F/G)
Position the sensors on opposite sides. Turn the sensitivity trimmer to
maximum. Find the points where the yellow LED (OUT) is switched ON and
OFF in both vertical and horizontal positions, and fix the sensor in the centre
between these points. If necessary, reduce sensitivity using the trimmer, in
order to detect very small targets. In order to improve alignment, repeat the
procedure detailed above whilst progressively reducing the sensitivity.
S8...F
S8...G
15 mA max
-
-
-
-
RED (660 nm)
25m (30m max)
-
-
POWER ON LED
(green)
TAB.1: Operative distance
REFLECTOR
R2
5 m
On RT3970 the sensor performances are
dimensions used.
DETECTION DIAGRAM (S8...M)
and
DIAGNOSTIC FUNCTIONS (S8...G)
TEST+ input
The TEST+ input can be used to inhibit the emitter and verify that the system is
correctly operating. The TEST function is activated if the TEST+ input is connected
to a voltage between 12...30V, whereas if the TEST+ input is connected to GND or
it is not connected the function is disactivated.
Datalogic S.r.l.
Via S. Vitalino 13 - 40012 Calderara di Reno - Italy
Tel: +39 051 3147011 - Fax: +39 051 3147205 - www.datalogic.com
Helpful links at www.datalogic.com: Contact Us, Terms and Conditions, Support.
The warranty period for this product is 36 months. See General Terms and Conditions of Sales for
A
further details.
C
B
Under current Italian and European laws, Datalogic is not obliged to take care of product
disposal at the end of its life. Datalogic recommends disposing of the product in compliance with
MIN
MAX
local laws or contacting authorised waste collection centres.
© 2008 - 2017 Datalogic S.p.A. and/or its affiliates ALL RIGHTS RESERVED. Without limiting the
rights under copyright, no part of this documentation may be reproduced, stored in or introduced into a
retrieval system, or transmitted in any form or by any means, or for any purpose, without the express
written permission of Datalogic S.p.A. and/or its affiliates. Datalogic and the Datalogic logo are registered
trademarks of Datalogic S.p.A. in many countries, including the U.S.A. and the E.U. All other trademarks
and brands are property of their respective owners. Datalogic reserves the right to make modifications
and improvements without prior notification.
DIMENSIONS
PIG-TAIL
VERSION
Receiver
Emitter
PERFORMANCES (S8..B)
R5
RT3970 (60x40mm)
7 m
2 m
strongly influenced by the
826004205 Rev. E
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