INDUCTIVE
PROXIMITY SENSORS
GX-U/FU
SERIES
2-wire type Oil resistant Metal embedding
possible
available
DC 2-wire Cylindrical Inductive Proximity Sensor
Amplifier Built-in
GXL
GL-18H/18HL
GL-N12
Amplifier Built-in
GL-8/8U
GL-6
High performance
&
ease of use
Conforming to
EMC Directive
Robust in tightening
The tightening torque has been im-
proved to approx. four times greater
than that of conventional models
because of its thick case. As the
sensor can be securely tightened, it
does not get loose due to vibration or
shock.
Conventional
GX-18M(B) model
19.6 N•m or less 4 times approx.
GX-18MU(B)
80 N•m or less
Compact size:
"5.4
mm
"0.213
in
GX-5SU(B)
is just 5.4 mm
0.213in
in
diameter, the smallest in existing DC
two-wire sensors. It saves you space.
Long sensing range
The
GX-U
series features 1.6 times
longer sensing range than conventional
models. As it can be mounted at a suffi-
cient distance from the object, there is no
fear of the sensor and the object colliding.
GX-12MLU(B)
GX-U/FU
"5.4
mm
"0.213
in
8 mm
0.315 in
ti
1.6
GX-12ML(B)
Conventional model
mes
GX-N
5 mm
0.197 in
2-color indicator
The normally open type is equipped
with a 2-color indicator.
The normally closed type has the
operation indicator instead.
The operation is easily observable
from any direction because the entire
sensor tail lights up.
Simple wiring
Spatter-resistant type available
As the enclosure is entirely coated by
fluorine resin, the sensor can be safely
used at a place where welding spatters
fly around.
Both the pigtail cable and the mating
cable are also spatter-resistant.
(
)
GA-10/GH
Amplifier-separated
The wiring cost is considerably
reduced as it is DC 2-wire type.
Further, each of
GX-12MU(B),
GX-18MU(B), GX-30MU(B)
is avail-
able as a pigtailed model (300 mm
11.811 in
long cable with attached
connector) that makes replacement
easy and quick.
GX
722
APPLICATIONS
Detecting traveling aluminum pallets
Controlling depth of drilling
Positioning object at welding station
(GX-F
U-J
only)
ORDER GUIDE
Standard type
Type
Non-threaded type
Appearance (mm
in)
"5.4
"0.213
30
1.181
Sensing range (Note)
Model No.
GX-5SU
GX-5SUB
GX-8MU
GX-8MUB
GX-12MU
GX-12MUB
GX-18MU
GX-18MUB
GX-30MU
GX-30MUB
GX-8MLU
GX-8MLUB
GX-12MLU
GX-12MLUB
GX-18MLU
GX-18MLUB
GX-30MLU
GX-30MLUB
Output
Output operation
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
(0 to 1.2 mm
0 to 0.047 in)
2 mm
0.079 in
Stable sensing range
M8
30
1.181
(0 to 1.6 mm
0 to 0.063 in)
3 mm
0.118 in
Shielded type
Threaded type
M12
40.5
1.594
(0 to 2.4 mm
0 to 0.094 in)
7 mm
0.276 in
M18
41.5
1.634
(0 to 5.6 mm
0 to 0.220 in)
10 mm
0.394 in
M30
44.5
1.752
M8
30
1.181
Non-contact
DC 2-wire type
4 mm
0.157 in
(0 to 3.2 mm
0 to 0.126 in)
8 mm
0.315 in
Non-shielded type
Threaded type
M12
40.5
1.594
(0 to 6.4 mm
0 to 0.252 in)
15 mm
0.591 in
M18
41.5
1.634
(0 to 12 mm
0 to 0.472 in)
22 mm
0.866 in
M30
44.5
1.752
(0 to 17.6 mm
0 to 0.693 in)
Note: The maximum operation distance stands for the maximum distance for which the sensor can detect the standard sensing object.
The stable sensing range stands for the sensing range for which the sensor can stably detect the standard sensing object even if
there is an ambient temperature drift and/or supply voltage fluctuation.
723
Amplifier-separated
GA-10/GH
GX
GX-N
(0 to 8 mm
0 to 0.315 in)
GX-U/FU
Amplifier Built-in
GL-18H/18HL
GL-N12
1.5 mm
0.059 in
Maximum operation distance
GL-8/8U
GL-6
It can reliably detect even
aluminum pallets because
of its long sensing range.
By detecting the
dog, the sensor
decides the depth
of the drilled hole.
It can be safely used even where
welding sparks (spatter) fly around.
GXL
INDUCTIVE
PROXIMITY SENSORS
GX-U/FU
INDUCTIVE
PROXIMITY SENSORS
GX-U/FU
SPECIFICATIONS
Standard type
Type
Model No.
Normally open
Shielded type
Non-threaded type
GX-5SU
GX-8MU
Threaded type
GX-12MU
GX-18MU
GX-30MU
Non-shielded type
Threaded type
GX-8MLU GX-12MLU GX-18MLU GX-30MLU
GXL
Item
Normally closed
GX-5SUB GX-8MUB GX-12MUB GX-18MUB GX-30MUB GX-8MLUB GX-12MLUB GX-18MLUB GX-30MLUB
3 mm
0.118 in
10%
7 mm
0.276 in
10% 10 mm
0.394 in
10% 4 mm
0.157 in
10%
8 mm
0.315 in
10% 15 mm
0.591 in
10% 22 mm
0.866 in
10%
Max. operation distance (Note 1) 1.5 mm
0.059 in
10% 2 mm
0.079 in
10%
Stable sensing range (Note 1)
Standard sensing object
0 to 1.2 mm
0 to 0.047 in
0 to 1.6 mm
0 to 0.063 in
0 to 2.4 mm
0 to 0.094 in
0 to 5.6 mm
0 to 0.220 in
0 to 8 mm
0 to 0.315 in
0 to 3.2 mm
0 to 0.126 in
0 to 6.4 mm
0 to 0.252 in
0 to 12 mm
0 to 0.472 in
0 to 17.6 mm
0 to 0.693 in
Iron sheet 6 6 t 1 mm Iron sheet 8 8 t 1 mm Iron sheet 12 12 t 1 mm Iron sheet 18 18 t 1mm Iron sheet 30 30 t 1 mm Iron sheet 20 20 t 1 mm Iron sheet 30 30 t 1 mm Iron sheet 50 50 t 1 mm Iron sheet 70 70 t 1 mm
0.236 0.236 t 0.039 in 0.315 0.315 t 0.039 in 0.472 0.472 t 0.039 in 0.709 0.709 t 0.039 in 1.181 1.181 t 0.039 in 0.787 0.787 t 0.039 in 1.181 1.181 t 0.039 in 1.969 1.969 t 0.039 in 2.756 2.756 t 0.039 in
20 % or less of operation distance
12 to 24 V DC
10
%
15
GL-6
Hysteresis
Supply voltage
Current consumption (Note 2)
Output
Ripple P-P 10 % or less
0.8 mA or less
Non-contact DC 2-wire type
•
Load current: 3 to 70 mA (Note 3)
•
Residual voltage: 3 V or less (Note 4)
DC-12 or DC-13
Incorporated
1.7 kHz
1.2 kHz
1.2 kHz
500 Hz
350 Hz
1 kHz
650 Hz
350 Hz
220 Hz
GL-8/8U
Utilization category
Short-circuit protection
Max. response frequency
Operation indicator
2-color indicator
Normally closed type: Orange LED (lights up when the output is ON)
Normally open type: Lights up in green under stable sensing condition, lights up in orange under unstable sensing condition
3 (Industrial environment)
IP67 (IEC), IP67g (JEM)
25 to
70 °C
13 to
158 °F,
Storage:
30 to
80 °C
22 to
176 °F
GL-18H/18HL
GL-N12
Amplifier Built-in
Pollution degree
Environmental resistance
Protection
Ambient temperature
Ambient humidity
EMC
Voltage withstandability
Insulation resistance
Vibration resistance
Shock resistance
45 to 85 % RH, Storage: 35 to 95 % RH
EN 50081-2, EN 50082-2, EN 60947-5-2
1,000 V AC for one min. between all supply terminals connected together and enclosure
50 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
10 to 55 Hz frequency, 1.5 mm
0.059 in
amplitude in X, Y and Z directions for two hours each
1,000 m/s
2
acceleration (100 G approx.) in X, Y and Z directions for three times each
Over ambient temperature range
25 to
70°C
13 to
158 °F:
within
10 % of sensing range at
20 °C
68°F
GX-U/FU
Sensing range Temperature characteristics
variation
Voltage characteristics
Material
Cable
Within
2 % for
10 % fluctuation of the supply voltage
Enclosure: Brass (Nickel plated) [However, Stainless steel (SUS303) for
GX-5SU(B), GX-8MU(B)
and
GX-8MLU(B)]
Sensing part: Nylon [However, polyalylate for
GX-5SU(B)],
Indicator part: Nylon [excluding
GX-5SU(B)]
0.3 mm
2
[0.15 mm
2
for
GX-5SU(B), GX-8MU(B)
and
GX-8MLU(B)]
2-core oil, heat and cold resistant cabtyre cable, 2 m
6.562 ft
long
Extension up to total 50 m
164.042 ft
is possible with 0.3 mm
2
, or more, cable.
20 g approx. 30 g approx. 55 g approx. 95 g approx.
220 g approx.
30 g approx. 55 g approx. 95 g approx.
220 g approx.
GX-N
Cable extension
Weight (Note 5)
Accessories
Nut: 2 pcs., Toothed lock washer: 1 pc.
Notes: 1) The maximum operation distance stands for the maximum distance for which the sensor can detect the standard sensing object.
The stable sensing range stands for the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient
temperature drift and/or supply voltage fluctuation.
Notes:
2) It is the leakage current when the output is in the OFF state.
Notes:
3) The maximum load current varies depending on the ambient temperature. Refer to
‘I/O CIRCUIT AND WIRING DIAGRAMS’
on
p.727l
for more details.
Notes:
4) When the cable is extended, the residual voltage becomes larger.
Notes:
5) The weight of the threaded type includes the weight of two nuts and one toothed lock washer.
GX
GA-10/GH
Amplifier-separated
Spatter-resistant type
Type
Model
Item
No.
Material
Cable
Cable extension
Weight (Note)
Accessories
Shielded type
Threaded type
GX-F12MU-J
GX-F18MU-J
GX-F30MU-J
Normally open
Enclosure: Brass (Fluorine resin coated), Sensing part: Polyalylate (Fluorine resin coated), Indicator part: Polyalylate
0.3 mm
2
2-core spatter-resistant cable, 0.3 m
0.984 ft
long with round type connector
Extension up to total 50 m
164.042 ft
is possible with 0.3 mm
2
, or more, cable.
35 g approx.
75 g approx.
200 g approx.
Nut: 2 pcs. (Fluorine resin coated), Toothed lock washer: 1 pc. (Fluorine resin coated)
The specifications other than the above-mentioned are identical to that of the standard type (GX-12MU, GX-18MU, GX-30MU).
Note: The given weight includes the weight of two nuts and one toothed lock washer.
726
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