817
FIBER
SENSORS
LASER
SENSORS
PHOTOELECTRIC
SENSORS
MICRO
PHOTOELECTRIC
SENSORS
AREA
SENSORS
SAFETY LIGHT
CURTAINS /
SAFETY COMPONENTS
PRESSURE /
FLOW
SENSORS
INDUCTIVE
PROXIMITY
SENSORS
PARTICULAR
USE SENSORS
SENSOR
OPTIONS
SIMPLE
WIRE-SAVING
UNITS
WIRE-SAVING
SYSTEMS
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SENSORS
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PLC
HUMAN MACHINE
INTERFACES
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MANAGEMENT
SOLUTIONS
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MACHINE VISION
SYSTEMS
UV CURING
SYSTEMS
Cylindrical Inductive Proximity Sensor
GX-M
SERIES
Related Information
Amplifier Built-in
■
General terms and conditions............. F-3
■
Glossary of terms........................P.1576~
■
Selection guide ............................. P.781~
■
General precautions ................... P.1579~
Listing
(2 m cable length type only)
Features
panasonic.net/id/pidsx/global
• 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
(6.56 ft)
cable length type
M12 plug-in connector type
M12 pigtailed type (DC 2-wire
M8 type only)
• Strong resistance IP68 (GX-M8□: IP67)
Large selection
ORDER GUIDE
DC 3-wire type (2 m cable length type)
Type
M8
Oil resistant
2-wire type PNP output
type available
available
Metal embedding
possible
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
Output
operation
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Shielded
Non-shielded
Selection
Guide
Amplifier
Built-in
Amplifier-
separated
Other
Products
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)
M30
M12
GX-MK12A-P
Normally open
GX-MK12B-P
Normally closed
GX-MK18A-P
Normally open
GX-MK18B-P
Normally closed
GX-MK30A-P
Normally open
GX-MK30B-P
Normally closed
GX-F/H
GXL
GL
GX-M
GX-U/GX-FU/
GX-N
GX
M30
M18
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.
Cylindrical Inductive Proximity Sensor
GX-M
SERIES
818
FIBER
SENSORS
LASER
SENSORS
PHOTO-
ELECTRIC
SENSORS
MICRO
PHOTO-
ELECTRIC
SENSORS
AREA
SENSORS
SAFETY LIGHT
CURTAINS /
SAFETY
COMPONENTS
PRESSURE /
FLOW
SENSORS
INDUCTIVE
PROXIMITY
SENSORS
PARTICULAR
USE
SENSORS
SENSOR
OPTIONS
SIMPLE
WIRE-SAVING
UNITS
WIRE-SAVING
SYSTEMS
MEASURE-
MENT
SENSORS
STATIC
CONTROL
DEVICES
LASER
MARKERS
PLC
HUMAN
MACHINE
INTERFACES
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, suffix “-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”.
M30
M18
ENERGY
MANAGEMENT
SOLUTIONS
FA
COMPONENTS
MACHINE
VISION
SYSTEMS
UV
CURING
SYSTEMS
M12 pigtailed type (for GX-M8□-U and GX-ML8□-U only)
M12 pigtailed type is also available.
When ordering this type,
suffix “-J”
for the M12 pigtailed type to the model No.
(e.g.) M12 pigtailed type of
GX-M8A-U
is “GX-M8A-U-J”.
Selection
Guide
Amplifier
Built-in
Amplifier-
separated
Other
Products
•
Mating cable
Type
For M12 plug-in
connector type
Straight
Mating cable
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
• Straight type
• Elbow type
GX-F/H
GXL
GL
GX-M
GX-U/GX-FU/
GX-N
GX
Elbow
819
FIBER
SENSORS
LASER
SENSORS
PHOTO-
ELECTRIC
SENSORS
MICRO
PHOTO-
ELECTRIC
SENSORS
AREA
SENSORS
SAFETY LIGHT
CURTAINS /
SAFETY
COMPONENTS
PRESSURE /
FLOW
SENSORS
INDUCTIVE
PROXIMITY
SENSORS
PARTICULAR
USE
SENSORS
SENSOR
OPTIONS
SIMPLE
WIRE-SAVING
UNITS
WIRE-SAVING
SYSTEMS
MEASURE-
MENT
SENSORS
STATIC
CONTROL
DEVICES
LASER
MARKERS
PLC
HUMAN
MACHINE
INTERFACES
ENERGY
MANAGEMENT
SOLUTIONS
FA
COMPONENTS
MACHINE
VISION
SYSTEMS
UV
CURING
SYSTEMS
Cylindrical Inductive Proximity Sensor
GX-M
SERIES
SPECIFICATIONS
DC 3-wire type
Type
Model No.
Shielded type
GX-M8A□
GX-M8B□
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
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-M18A□
GX-M18B□
5 mm
0.20 in
±10 %
0 to 4 mm
0 to 0.16 in
Iron sheet 18 × 18 × t 1 mm
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
CE marking directive compliance
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
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
EMC Directive, RoHS Directive
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
Environmental resistance
Pollution degree
Protection
Ambient temperature
Ambient humidity
Voltage withstandability
Vibration resistance
Shock resistance
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)
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
double 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 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.
40 g approx.
15 g approx.
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.
Sensing range variation
(Note 2)
Material
Cable (except for M12 plug-in connector type)
Selection
Guide
Amplifier
Built-in
Amplifier-
separated
Other
Products
Cable extension
Net weight
(Note 4)
2 m cable length type
M12 plug-in connector type
Accessories
GX-F/H
GXL
GL
GX-M
GX-U/GX-FU/
GX-N
GX
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) The weight includes the weight of two nuts.
Cylindrical Inductive Proximity Sensor
GX-M
SERIES
820
FIBER
SENSORS
LASER
SENSORS
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)
EMC Directive, RoHS Directive
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
PHOTO-
ELECTRIC
SENSORS
MICRO
PHOTO-
ELECTRIC
SENSORS
AREA
SENSORS
SAFETY LIGHT
CURTAINS /
SAFETY
COMPONENTS
PRESSURE /
FLOW
SENSORS
INDUCTIVE
PROXIMITY
SENSORS
PARTICULAR
USE
SENSORS
SENSOR
OPTIONS
SIMPLE
WIRE-SAVING
UNITS
WIRE-SAVING
SYSTEMS
MEASURE-
MENT
SENSORS
Item
CE marking directive compliance
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
Environmental resistance
Pollution degree
Protection
Ambient temperature
Ambient humidity
Voltage withstandability
Vibration resistance
Shock resistance
IP67 (IEC)
1 kHz
1 kHz
1.2 kHz
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
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
1.3 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)
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
double 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 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.
40 g approx.
20 g approx.
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.
STATIC
CONTROL
DEVICES
LASER
MARKERS
PLC
HUMAN
MACHINE
INTERFACES
ENERGY
MANAGEMENT
SOLUTIONS
FA
COMPONENTS
MACHINE
VISION
SYSTEMS
UV
CURING
SYSTEMS
Sensing range variation
(Note 2)
Material
Cable (except for M12 plug-in connector type)
Cable extension
Net weight
(Note 6)
2 m cable length type
M12 pigtailed(-J type) /
M12 plug-in connector type
Selection
Guide
Amplifier
Built-in
Amplifier-
separated
Other
Products
Accessories
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.
GX-F/H
GXL
GL
GX-M
GX-U/GX-FU/
GX-N
GX
821
FIBER
SENSORS
LASER
SENSORS
PHOTO-
ELECTRIC
SENSORS
MICRO
PHOTO-
ELECTRIC
SENSORS
AREA
SENSORS
SAFETY LIGHT
CURTAINS /
SAFETY
COMPONENTS
PRESSURE /
FLOW
SENSORS
INDUCTIVE
PROXIMITY
SENSORS
PARTICULAR
USE
SENSORS
SENSOR
OPTIONS
SIMPLE
WIRE-SAVING
UNITS
WIRE-SAVING
SYSTEMS
MEASURE-
MENT
SENSORS
STATIC
CONTROL
DEVICES
LASER
MARKERS
PLC
HUMAN
MACHINE
INTERFACES
ENERGY
MANAGEMENT
SOLUTIONS
FA
COMPONENTS
MACHINE
VISION
SYSTEMS
UV
CURING
SYSTEMS
Cylindrical Inductive Proximity Sensor
GX-M
SERIES
WIRING DIAGRAMS
DC 3-wire type
Wiring diagrams
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 diagrams
(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
Selection
Guide
Amplifier
Built-in
Amplifier-
separated
Other
Products
• Normally Open
(GX-M8□-U-J and
GX-ML8□-U-J
only)
1 : +V
2 : Not connected
3 : Not connected
4:0V
GX-F/H
GXL
GL
GX-M
GX-U/GX-FU/
GX-N
GX
