Cylindrical Inductive Proximity Sensor
GX-M
SERIES
Conforming to
EMC Directive
(2 m cable length type only)
Listing
Features
• Wide product range
Types: DC 3-wire shielded type
DC 3-wire non-shielded type
DC 2-wire standard type
DC 2-wire long range type
Size: M8, M12, M18, M30
Connector: 2 m cable length type
M12 plug-in connector type
M12 pigtaild type (DC 2-wire
M8 type only)
• Strong resistance IP68 (GX-M8
□
: IP67)
ORDER GUIDE
DC 3-wire type (2 m cable length type)
Type
M8
Appearance
Sensing range (Note 1,2)
Max. operation distance: 1.5 mm
0.06 in
(Stable sensing range 0 to 1.2 mm
0.05 in)
Max. operation distance: 2 mm
0.08 in
(Stable sensing range 0 to 1.6 mm
0.06 in)
Max. operation distance: 5 mm
0.20 in
(Stable sensing range 0 to 4 mm
0.16 in)
Model No.
NPN output
GX-M8A
GX-M8B
GX-M12A
GX-M12B
GX-M18A
GX-M18B
GX-M30A
GX-M30B
GX-MK12A
GX-MK12B
GX-MK18A
GX-MK18B
GX-MK30A
GX-MK30B
PNP output
GX-M8A-P
GX-M8B-P
GX-M12A-P
GX-M12B-P
GX-M18A-P
GX-M18B-P
GX-M30A-P
GX-M30B-P
GX-MK12A-P
GX-MK12B-P
GX-MK18A-P
GX-MK18B-P
GX-MK30A-P
GX-MK30B-P
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
Shielded
M18
M12
Ex.)
GX-M12□
Max. operation distance: 10 mm
0.39 in
(Stable sensing range 0 to 8 mm
0.32 in)
Max. operation distance: 7 mm
0.28 in
(Stable sensing range 0 to 5.6 mm
0.22 in)
Max. operation distance: 12 mm
0.47 in
(Stable sensing range 0 to 9.6 mm
0.38 in)
Max. operation distance: 22 mm
0.87 in
(Stable sensing range 0 to 17.6 mm
0.69 in)
Non-shielded
M30
M18
M12
M30
Ex.)
GX-MK12□
Notes: 1) It is the value in state where the circumference of a detection side has a metal object.
2) 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.
7
Cylindrical Inductive Proximity Sensor
GX-M
SERIES
ORDER GUIDE
DC 2-wire type (2 m cable length type)
Type
M8
Appearance
Sensing range (Note 1,2)
Max. operation distance: 1.5 mm
0.06 in
(Stable sensing range 0 to 1.2 mm
0.05 in)
Max. operation distance: 2 mm
0.08 in
(Stable sensing range 0 to 1.6 mm
0.06 in)
Max. operation distance: 5 mm
0.20 in
(Stable sensing range 0 to 4 mm
0.16 in)
Max. operation distance: 10 mm
0.39 in
(Stable sensing range 0 to 8 mm
0.32 in)
Max. operation distance: 2.5 mm
0.10 in
(Stable sensing range 0 to 2 mm
0.08 in)
Model No.
GX-M8A-U
GX-M8B-U
GX-M12A-U
GX-M12B-U
GX-M18A-U
GX-M18B-U
GX-M30A-U
GX-M30B-U
GX-ML8A-U
GX-ML8B-U
GX-ML12A-U
GX-ML12B-U
GX-ML18A-U
GX-ML18B-U
GX-ML30A-U
GX-ML30B-U
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
Standard
M8
M30
M18
M12
Long range
M12
Ex.)
GX-M12□-U
Max. operation distance: 4 mm
0.16 in
(Stable sensing range 0 to 3.2 mm
0.13 in)
Max. operation distance: 8 mm
0.32 in
(Stable sensing range 0 to 6.4 mm
0.25 in)
Max. operation distance: 15 mm
0.59 in
(Stable sensing range 0 to 12 mm
0.47 in)
Notes: 1) It is the value in state where the circumference of a detection side has a metal object.
2) 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.
M12 plug-in connector type (except for GX-M8□-U and GX-ML8□-U)
M12 plug-in connector type is also available.
When ordering this type, “-Z” for the M12 plug-in connector type to the model No.
(e.g.) M12 plug-in connector type of
GX-M8A-P
is “GX-M8A-P-Z”.
M12 pigtailed type (for GX-M8□-U and GX-ML8□-U only)
M12 pigtailed type is also available.
When ordering this type, “-J” for the M12 pigtailed type to the model No.
(e.g.) M12 pigtailed type of
GX-M8A-U
is “GX-M8A-U-J”.
Mating cable
(2 cables are required for the thru-beam type.)
Type
For M12 plug-in
connector type
Straight
M30
M18
Mating cable
• Straight type
• Elbow type
Model No.
CN-24C-C2
CN-24C-C5
CN-24CL-C2
CN-24CL-C5
Description
Length: 2 m
6.56 ft
Length: 5 m
16.40 ft
Length: 2 m
6.56 ft
Length: 5 m
16.40 ft
Clamping ring :
ø14mm
0.55 in
Cable outer :
ø5.3mm
0.21 in
Elbow
8
Cylindrical Inductive Proximity Sensor
GX-M
SERIES
SPECIFICATIONS
DC 3-wire type
Type
Model No.
Shielded type
GX-M8A
□
GX-M8B
□
0 to 1.2 mm
0 to 0.05 in
Iron sheet 8 × 8 × t 1 mm
0.32 × 0.32 × t 0.04 in
Non-shielded type
GX-M30A
□
GX-M30B
□
10 mm
0.39 in
±10 %
0 to 8 mm
0 to 0.32 in
Iron sheet 30 × 30 × t 1 mm
1.18 × 1.18 × t 0.04 in
Normally open
Normally closed
GX-M12A
□
GX-M12B
□
2 mm
0.08 in
±10 %
0 to 1.6 mm
0 to 0.06 in
Iron sheet 12 × 12 × t 1 mm
0.47 × 0.47 × t 0.04 in
GX-18A
□
GX-18B
□
5 mm
0.20 in
±10 %
0 to 4 mm
0 to 0.16 in
Iron sheet 18 × 18 × t 1mm
0.71 × 0.71 × t 0.04 in
GX-MK12A
□
GX-MK12B
□
7 mm
0.28 in
±10 %
0 to 5.6 mm
0 to 0.22 in
Iron sheet 24 × 24 × t 1 mm
0.94 × 0.94 × t 0.04 in
GX-MK18A
□
GX-MK18B
□
12 mm
0.47 in
±10 %
0 to 9.6 mm
0 to 0.38 in
Iron sheet 24 × 24 × t 1 mm
0.94 ×0.94 × t 0.04 in
GX-MK30A
□
GX-MK30B
□
22 mm
0.87 in
±10 %
0 to 17.6 mm
0 to 0.69 in
Iron sheet 45 × 45 × t 1 mm
1.77 × 1.77 × t 0.04 in
Item
Max. operation distance (Note 2,3) 1.5 mm
0.06 in
±10 %
Stable sensing range (Note 2,3)
Standard sensing object
Hysteresis (Note 2)
Repeatability (Note 2)
Supply voltage
Current consumption (Note 4)
15 % or less of operation distance (with standard sensing object)
Along sensing axis: 5 % or less of operation distance
12 to 24 V DC ±10 % Ripple P-P 10 % or less
10 mA or less
<NPN output type>
NPN open-collector transistor
• Maximum sink current 200 mA
• Applied voltage: 24 V DC or less (between output and 0 V)
• Residual voltage 2 V or less
<PNP output type>
PNP open-collector transistor
• Maximum source current 200 mA
• Applied voltage: 24 V DC or less (between output and + V)
• Residual voltage 2 V or less
Output
Utilization category
Short-circuit protection
Max. response frequency
Operation indicator
Pollution degree
Environmental resistance
Protection
Ambient temperature
Ambient humidity
EMC
Voltage withstandability
Vibration resistance
Shock resistance
Sensing range variation
(Note 2)
Material
Cable (except for M12 plug-in connector type)
Cable extension
Net weight
(Note 5)
Accessories
2 m cable length type
M12 plug-in connector type
40 g approx.
15 g approx.
IP67 (IEC)
5 kHz
5 kHz
2 kHz
DC-12 or DC-13
Incorporated
1 kHz
2.5 kHz
1 kHz
0.5 kHz
Yellow LED (lights up when the output is ON)
3 (industrial enviroment)
IP69K (DIN), IP68 (IEC) (2 m cable length type only) , IP67 (IEC) (M12 plug-in connector type only)
–25 to +70 °C
–13 to +158 °F,
Storage: –40 to +85 °C
–40 to +185 °F
50 % RH or less (at +70 °C
+158 °F)
EN 60947-5-2
500 V AC for one min. between all supply terminals connected together and enclosure
10 to 55 Hz frequency, 0.5 mm
0.02 in
amplitude in X, Y and Z directions for 1.5 hours each
294 m/s
2
acceleration (30 G approx.) in X, Y and Z directions for three times each
Within ±10 % fluctuation of sensing range at +23 °C
+73 °F
and rated voltage in the range of
allowable temperature and supply voltage
Enclosure: Brass (Nickel plated), Sensing part: PPS
0.44 mm
2
(0.15 mm
2
for
GX-M8□)
3-core cabtyre cable, 2 m
6.56 ft
long
Extension up to total 10 m
32.80 ft
is possible with 0.34 mm
2
, or more, cable.
70 g approx.
20 g approx.
90 g approx.
45 g approx.
150 g approx.
110 g approx.
Nut: 2 pcs.
75 g approx.
25 g approx.
100 g approx.
55 g approx.
180 g approx.
140 g approx.
Notes: 1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +23 °C
+73.4 °F.
2) It is the value in state where the circumference of a detection side has a metal object.
3) 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.
4) It is the leakage current when the output is in the OFF state.
5) The weight includes the weight of two nuts.
9
Cylindrical Inductive Proximity Sensor
GX-M
SERIES
SPECIFICATIONS
DC 2-wire type
Type
Model No.
Standard type
Long range type
Normally open
Normally closed
GX-M8A-U(-J) GX-M12A-U(-Z) GX-M18A-U(-Z) GX-M30A-U(-Z) GX-ML8A-U(-J) GX-ML12A-U(-Z) GX-ML18A-U(-Z) GX-ML30A-U(-Z)
GX-M8B-U(-J) GX-M12B-U(-Z) GX-M18B-U(-Z) GX-M30B-U(-Z) GX-ML8B-U(-J) GX-ML12B-U(-Z) GX-ML18B-U(-Z) GX-ML30B-U(-Z)
5 mm
0.20 in
±10 % 10 mm
0.39 in
±10 % 2.5 mm
0.10 in
±10 % 4 mm
0.16 in
±10 %
0 to 4 mm
0 to 0.09 in
Iron sheet 18 × 18 × t 1mm
0.71 × 0.71 × t 0.04 in
0 to 8 mm
0 to 0.22 in
Iron sheet 30 × 30 × t 1 mm
1.18 × 1.18 × t 0.04 in
0 to 2 mm
0 to 0.08 in
Iron sheet 8 × 8 × t 1 mm
0.32 × 0.32 × t 0.04 in
0 to 3.2 mm
0 to 0.13 in
Iron sheet 12 × 12 × t 1 mm
0.47 × 0.47 × t 0.04 in
8 mm
0.32 in
±10 % 15 mm
0.59 in
±10 %
0 to 6.4 mm
0 to 0.25 in
Iron sheet 18 × 18 × t 1 mm
0.71 × 0.71 × t 0.04 in
0 to 12 mm
0 to 0.47 in
Iron sheet 30 × 30 × t 1 mm
1.18 × 1.18 × t 0.04 in
0 to 1.2 mm
0 to 0.05 in
Iron sheet 8 × 8 × t 1 mm
0.32 × 0.32 × t 0.04 in
0 to 1.6 mm
0 to 0.06 in
Iron sheet 12 × 12 × t 1 mm
0.47 × 0.47 × t 0.04 in
Item
Max. operation distance (Note 2,3) 1.5 mm
0.06 in
±10 % 2 mm
0.08 in
±10 %
Stable sensing range (Note 2,3)
Standard sensing object
Hysteresis (Note 2)
Repeatability (Note 2)
Supply voltage
Current consumption (Note 4)
Output
Utilization category
Short-circuit protection
Max. response frequency
Operation indicator
Pollution degree
Environmental resistance
Protection
Ambient temperature
Ambient humidity
EMC
Voltage withstandability
Vibration resistance
Shock resistance
Sensing range variation
(Note 2)
Material
Cable (except for M12 plug-in connector type)
Cable extension
Net weight
(Note 6)
Accessories
2 m cable length type
M12 pigtailed(-J type) /
M12 plug-in connector type
40 g approx.
20 g approx.
IP67 (IEC)
1 kHz
1 kHz
15 % or less of operation distance (with standard sensing object)
Along sensing axis: 5 % or less of operation distance
12 to 24 V DC ±10 % Ripple P-P 10 % or less
0.5 mA or less
Non-contact DC 2-wire type
• Load current: 1.5 to 100 mA
• Residual voltage: 4.2 V or less (Note 5)
DC-12 or DC-13
Incorporated
1.2 kHz
1.3 kHz
1.1 kHz
1.3 kHz
1.5 kHz
0.8 kHz
Yellow LED (lights up when the output is ON)
3 (Industrial environment)
IP69K (DIN), IP68 (IEC) (2 m cable length type only) , IP67 (IEC) (M12 plug-in connector type only)
–25 to +70 °C
–13 to +158 °F,
Storage: –40 to +85 °C
–40 to +185 °F
50 % RH or less (at +70 °C
+158 °F)
EN 60947-5-2
500 V AC for one min. between all supply terminals connected together and enclosure
10 to 55 Hz frequency, 0.5 mm
0.02 in
amplitude in X, Y and Z directions for 1.5 hours each
294 m/s
2
acceleration (30 G approx.) in X, Y and Z directions for three times each
Within ±10 % fluctuation of sensing range at +23 °C
+73 °F
and rated voltage in the range of
allowable temperature and supply voltage
Enclosure: Brass (Nickel plated), Sensing part: PPS
0.44 mm
2
[0.15 mm
2
for
GX-M(L)8□-U]
2-core cabtyre cable, 2 m
6.56 ft
long
Extension up to total 10 m
32.80 ft
is possible with 0.34 mm
2
, or more, cable.
70 g approx.
20 g approx.
90 g approx.
45 g approx.
150 g approx.
110 g approx.
40 g approx.
20 g approx.
70 g approx.
20 g approx.
90 g approx.
45 g approx.
150 g approx.
110 g approx.
Nut: 2 pcs.
Notes: 1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +23 °C
+73.4 °F.
2) It is the value in state where the circumference of a detection side has a metal object.
3) 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.
4) It is the leakage current when the output is in the OFF state.
5) When the cable is extended, the residual voltage becomes larger.
6) The weight includes the weight of two nuts.
10
Cylindrical Inductive Proximity Sensor
GX-M
SERIES
WIRING DIAGRAMS
DC 3-wire type
Wiring diagram
NPN output type
(Brown) +V
Load
(Black) Output
PNP output type
(Brown) +V
+
–
12 to 24V DC ±10 %
(Black) Output
Load
+
–
12 to 24V DC ±10 %
(Blue) 0 V
(Blue) 0 V
Connector pin position
M12 connector
4
3
• Normally Open
1 : +V
2 : Not connected
3:0V
4 : Output
• Normally Closed
1 : +V
2 : Output
3:0V
4 : Not connected
1
2
DC 2-wire type
Wiring diagram
(Brown) +V
Load
+
–
Load
12 to 24V DC ±10 %
(Blue) 0 V
Connector pin position
M12 connector
4
3
• Normally Open
• Normally Closed
1 : +V
(except for
GX-M8□-U-J
and
GX-ML8□-U-J)
1 : Not connected
2 : Not connected
3 : +V
4:0V
2:0V
3 : Not connected
4 : Not connected
1
2
• Normally Open
(GX-M8□-U-J and
GX-ML8□-U-J
only)
1 : +V
2 : Not connected
3 : Not connected
4:0V
11
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