Ideal for embedded use

Middle-GSeries
Embedded Amplifier Photo Sensors
IP 67 water resistance
● Detects mirror-like materials
(mirrors, glossy objects)
(polarization reflector type)
●
Embedded Amplifier Photo Sensors
●
Switch selectable operation mode
●
Sensitivity adjustment for fine detection
●
Globally compatible PNP types also conveniently
provided with stability output
●
Optional rigid protective cover (mounting bracket)
available
Ideal for embedded use
Included sensitivity
adjustment allows for
accurate detection
Stability output provided for early
identification of reduction of the light
intensity level due to light axis
misalignment, soiled lens surface, etc.,
allowing easy maintenance
Stability indicator (green) and
operation indicator (red) easily viewable
from a wide range of angles
Water resistance of IP 67
achieved by complete resin
encapsulation for washability
35mm
Red light source for visible
light spot for all models
Light-ON/Dark-ON
selector switch (on the back)
High-performance,
high-reliability photo IC
Limited reflection
less affected by
background
M8 connector type
"J" available
20
m
m
Polarization reflector
allows detection of
mirror-like objects
11.5m
m
210
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Side-on style with extra
small size and footprint
Middle-G
■ Type
Detection method
Detecting distance
――――
GT5RSN-J
――――
7m
Polarization
reflector type
0.03 -1.5m
――――
GT5RN
――――
GT5RN-J
GMR2RSN
――――
GMR2RSN-J
――――
――――
GMR2RN
――――
GMR2RN-J
GSR05RSN
――――
GSR05RSN-J
――――
500mm
Diffuse-reflective type
Limited reflection type
●
GT5RSN
Operation mode Output mode
20∼50mm
――――
GSR05RN
――――
GSR05RN-J
GSZ5RS
――――
GSZ5RS-J
――――
――――
GSZ5R
――――
GSZ5R-J
Light-ON/
Dark-ON
selectable
NPN open
collector
 PNP output 



with switch   type also 



 available 
PNP output type
PNP output types are available for all models.
PNP output type models are identified by "PN" at the end of model number.
The rating/performance other than the output is the same as NPN type.
Embedded Amplifier Photo Sensors
Through-beam type
Model
Side-on type
Head-on type
Protective cover
G-MSB1
(For side-on style)
■ Optional Parts
Type
Model
Applicable model
K-7
Reflector
S-25
*
Description
Detecting distance
All polarization
With K-7: 0.03-2.5 m
reflector type models With S-25: 70-400 mm
G-MTB1
(For side-on style)
G-MSB1
Side-on type models
G-MTB2
Rigid SUS covers for
protecting sensors and
Head-on type models reflectors from impact, etc.
G-K7B
K-7 and K-71 reflectors
FBC-4R2S
M8 connector
Straight (2 m)
type sensor
models with "-J" Angled (2 m)
G-MTB1
Protective cover
Cord with M8
connector
FBC-4R2L
G-MTB2
(For head-on style)
G-K7B
(For reflector)
* One sheet contains 25.
For dimensions, see "Dimensions (protective cover)."
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211
Middle-G
■ Rating/Performance/Specification
Embedded Amplifier Photo Sensors
Rating/performance
Model
Side-on
GT5RSN
Head-on
GMR2RSN
GSR05RSN
GT5RN
GMR2RN
GSR05RN
GSZ5R
Detection method
Through-beam type
Polarization reflector type
Diffuse-reflective type
Limited reflection type
Detecting distance
7m
0.03 - 1.5m*
500mm
20 - 50mm
Detection object
φ20mm (Min.) Opaque
Power supply
Current consumption
Output
mode
Glossy objects including mirror-like materials Standard detection object:
and stainless-steel plates or opaque objects 100 x 100mm white drawing paper
Transmitter: 20 mA max.
30mA max.
Receiver: 20 mA max.
Control
output
NPN open collector output
Rating: sink current 100 mA (30 V DC) max.
Stability
output
NPN open collector output
(PNP output type also available)
Rating: sink current 50 mA (30 V DC) max.
(PNP output type also available)
Operation mode
Light-ON/Dark-ON selectable (with switch)
Response time
0.5ms max.
Hysteresis
––––––––––––––––
10° (at receiver)
10% max.
30° (reflector)
Light source (light wavelength)
Indicator
––––––––––––––––
Red LED (700nm)
Transmitter: power indicator (red LED)
Receiver: operation indicator (red LED)
Operation indicator (red LED)
Stability indicator (green LED)
Stability indicator (green LED)
SENS: sensitivity adjustment (on receiver for through-beam type)
Volume
Light-ON/Dark-ON selector switch provided
Switch
Short circuit protection
Material
––––––––
12 - 24V DC ±10% / Ripple 10% max. (*15 V power supply)
Operating angle
Specification
GSZ5RS
Provided (for control output only)
Provided
Polyarylate
Case
Lens
Acrylic
Permanently attached cord (outer dimension: dia. 4.2)
Connection
Transmitter of through-beam type: 0.3 sq. 2 core 2 m length(gray)
Receiver of through-beam type: 0.2 sq. 4 core 2 m (black)
Mass
About 80 g (transmitter/receiver)
About 80g
K-71 reflector provided
Screwdriver for sensitivity adjustment provided
Notes
*1 Contact Takex for 5 VDC power supply models available for head-on types.
All models are provided with a mounting bracket. Polarization reflector types are provided with a bracket
for reflector and adhesive sheet for mounting the reflector.
●
Environment
■ Environmental Specification
212
5,000 lx max.
Ambient light
–25 - +55°C (non-freezing)
Ambient temperature
35~85%RH (non-condensing)
Ambient humidity
IP67
Protective structure
10-55 Hz / 1.5 mm amplitude / 2 hours each in 3 direction
Vibration
500 m/s2 / 3 times each in 3 directions
Shock
1,000 VAC for 1 minute
Dielectric withstanding
500 VDC, 20 MΩ or higher
Insulation resistance
*Detecting distances for different reflectors
●
The detecting distance depends on the reflector used.
Reflector model
K-71
K-7
S-25
Detecting distance
0.03 - 1.5m
0.03 - 2.5m
70 - 400mm
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Middle-G
■ Input/Output Circuit and Connection
¡M8 connector type (-J) pin assignment and connection
NPN output
Lead color
(Receiver/reflective type sensor)
Stability output
Brown
1
DC12∼24V
Black
4
Control output
(OUT PUT)
Control output
Black
White
2
Orange
2
1
Stability output
(STB OUT)
4
3
12 - 24VDC
0V
Brown
3
Blue
0V
The colors show lead colors for use in combination with the
optional cord with M8 connector.
Lead color
PNP output
Blue
Connector pin No.
Internal circuit
(Transmitter)
Lines other than Lines 1 (brown) and 3 (blue) are unused.
Brown
1
DC12∼24V
Black
4
Control output
(OUT PUT)
Orange
2
Stability output
(STB OUT)
Blue
3
0V
●
The transmitter is provided with power supply lines (brown: 12-24 VDC; blue: 0 V) only.
●
The output transistor turns off when load short circuit or overload occurs.
●
Check the load and turn the power back on.
Embedded Amplifier Photo Sensors
Internal circuit
Connector pin No.
■ Characteristics (Typical Example)
¡Directional characteristics
GMR2RSN
GMR2RN
GT5RSN・GT5RN
(K-7)
(K-71)
10
GMR2RSN
GMR2RN
1
K-7
9
8
(S-25)
3
7
Vertical
direction
Horizontal
Direction
↑
3
2
400
0.5
200
0
200
Position (mm)
↑
↑
Distance (m)
4
1
100
400
¡Operating angle characteristics
GMR2RSN・GMR2RN
60
Distance (m)
5
S-25
K-71
2
Distance (m)
6
20 0 20
Position (mm)
60
100
¡Activation area characteristics
GSR05RSN・GSR05RN
Angle (θ)
20
10
0
10
Position (mm)
20
¡Distance-area characteristics
GSR05RSN・GSR05RN
1000
Reflector
800
30
20
600
80
White drawing paper
500
60
400
40
200
20
10
0
10 20
Angleθ (degrees)
300
Black drawing paper
100
30
20
800
100 x 100mm
10
0
10
Position (mm)
↑
20
Detecting distance (mm)
700
Distance (m)
Relative detecting distance (%)
↑
100
600
400
200
10
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100
300
1000
3000
Detecting area (mm2)
213
Middle-G
■ Dimensions (in mm; tightening torque for mounting screws: 0.6 N·m max.)
(Head-on) typical example
GT5RSN
GMR2RSN
GSR05RSN
GSZ5RS
Indicator
4
13
12.5
6
Indicator
(Side-on) Typical example
*1 Sensitivity adjustment volume
*1
*1
Sensitivity
adjustment volume Operation mode selector switch
4
16
*1 Operation mode
selector switch
3.2
(6)
Indicator
11.5
20
4
11.5
20
30
6.5
11.5
5.3
1.
Cord 2mφ4.2
(14)
R
Embedded Amplifier Photo Sensors
GT5RN
GMR2RN
GSR05RN
GSZ5R
2
3.2
Light
axis
3
35
2
35
5.5
Light
axis
16.5
.5
55.5
20
3
12
3.6
11.5
(4.6)
t1,2
38
3.5
.2
φ3.2
φ3
*1 The operating side
depends on the model.
20
(K-71 reflector)
28
(15)
(1)
1.2
Cord 2m
φ4.2
Mounting leg (Fe)
26
(Mounting bracket in different orientation)
23
7
Indicator
Reflecting surface
May be pasted
on with adhesive
sheet provided
42.5
48.5
21.3
25
30.8
2
20
11.5
7.3 3.5
9.5
2−M3
12
14
R1
3
2.5
3
5
14.3
19.5
.6
16
5.5
 Applicable to polarization reflector type 
 Effective reflecting surface: 32 x 19 mm
 Mounting: secured with M3 screws 
 (alternatively adhesive may be used 
26
16.5
16
3.2
R1
3
.6
3.5
3
1.2
Mounting bracket
(Fe; t = 1.2)
26
Light
axis
35
(5.5)
Mounting
bracket
(Fe)
12
28
12.5
(1)
Cord 2m
φ4.2
13
5.3
"-J" (M8 connector type) side-on model
"-J" (M8 connector type) head-on model
20
11.5
2
φ6.8
M8×1
14
Light
axis
35
4
3.2
20
3.2
3.5
30
35
11
φ3.2
12
φ6.8
M8×1
11
3
FBC-4R2S (Straight)
FBC-4R2L(Angled)
5.5
2000
φ3.2
30.7
22.5
3.6
1.2
3
20
6.5
2
8×14
5.5
4
11.5
11.5
Lens
16.5
(6)
11.5
20
2-φ3.2
2000
55
23
7
7
9
Color: black
23.7
16
Color: black
9
214
55
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Middle-G
■ Dimensions (protective cover) (in mm)
G-MSB1 (side-on)
G-MTB2 (head-on)
10 20.8
42
24
20.8
12
Embedded Amplifier Photo Sensors
10
6.8
12
30
6.8
30
50
34
42
Lens surface
Light
axis
Lens surface
Flat nut provided
24
Light
axis
Screw provided
60
39
Screw provided
15
t3
32
Flat nut provided
t3
43
G-MTB1 (side-on)
G-K7B (reflector)
Light
Lens surface axis 6.5
A
B
C
C'
Screw provided
20.8
42
2
for K-7
for K-10
for K-71
for reverse mouting of K-71
5
10
6.8
30
24
t3
50
12
10
6.8
32
30
Screw provided
13
30
B
50
A
C'
C'
C
C
■ Stability output
Operation mode selector switch is provided for all models.
D.
Dark-ON mode
D.
L.
L.
SWITCH
SWITCH
The stability output can be used to check for reduction of the light
intensity level along with any change in the operating environment or
operation over time or to perform initial check of the operation. When
two consecutive detections have occurred with the intensity of light
detected exceeding the operation level but not reaching 120 % of the
level (range allowing stable operation), the stability signal is output
when the control output is deactivated.
Received light 120%
intensity
100%
Light-ON mode: LIGHT (L)
Dark-ON mode: DARK (D)
Light-ON mode
■ Indicators
The operation indicator (red LED) and stability indicator (green LED)
show the levels of light intensity as described in the figure below.
● After aligning the optical axis and adjusting the sensitivity, use a
detection object to block and unblock the light beam several times
to make sure that the sensitivity level is in a range that allows
stable activation and deactivation.
● Setting the sensitivity in a range allowing stable operation
achieves higher reliability against changes in the operating
environment generated after the sensitivity is set.
STB
(green)
Light-ON mode
Dark-ON mode
Illuminated
Illuminated
Operation level x 1.2
Operation level
Operation level x 0.8
The red LED (OP.L) is the operation indicator.
In the L.ON (Light-ON) mode, the indicator is illuminated when a
certain amount of light is detected.
In the D.ON (Dark-ON) mode, the indicator is illuminated when a
certain amount of light is not detected.
Dark-ON mode
OP.L (red)
{
{
ON
{
{
ON
Control output
Stability output
●
Stable light reception range
Illuminated
120
100
80
Illuminated
Stable light blocking range
t3
With K-7 attached
34
■ Operation Mode Switching
Light-ON mode
9 12.5
13
Flat nut provided
●
44
A B
32
15
67
52
Control output
Stability output
Operation
level
OFF
ON
OFF
OFF
ON
OFF
■ Sensitivity adjustment (for diffuse-reflective type)
(Adjustment for Light-ON mode)
When any light-reflecting object is in the background
(1)Place the object to be detected in a given position, turn up the
sensitivity adjustment volume (SENS.) gradually and find the point
at which the operation indicator (red LED) is illuminated (Point A).
(2)Remove the object, turn down the sensitivity adjustment volume
gradually from MAX. and find the point at which the operation
indicator (red LED) goes out (Point B). (If the operation indicator is
not illuminated even at Max., MAX. is regarded as Point B.)
(3)Set the volume at midway between Points A and B.
●
1
2
3
A
A
B
B
MIN.
SENS.
MAX.
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MIN.
SENS.
MAX.
MIN.
SENS.
MAX.
215