gx-m series ? 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) features order guide type appearance sensing range (note 1,2) model no. output operation npn output pnp output shielded m8 max. operation distance: 1.5 mm 0.06 in (stable sensing range 0 to 1.2 mm 0.05 in) gx-m8a gx-m8a-p normally open gx-m8b gx-m8b-p normally closed m12 max. operation distance: 2 mm 0.08 in (stable sensing range 0 to 1.6 mm 0.06 in) gx-m12a gx-m12a-p normally open gx-m12b gx-m12b-p normally closed m18 max. operation distance: 5 mm 0.20 in (stable sensing range 0 to 4 mm 0.16 in) gx-m18a gx-m18a-p normally open gx-m18b gx-m18b-p normally closed m30 max. operation distance: 10 mm 0.39 in (stable sensing range 0 to 8 mm 0.32 in) gx-m30a gx-m30a-p normally open gx-m30b gx-m30b-p normally closed non-shielded m12 max. operation distance: 7 mm 0.28 in (stable sensing range 0 to 5.6 mm 0.22 in) gx-mk12a gx-mk12a-p normally open gx-mk12b gx-mk12b-p normally closed m18 max. operation distance: 12 mm 0.47 in (stable sensing range 0 to 9.6 mm 0.38 in) gx-mk18a gx-mk18a-p normally open gx-mk18b gx-mk18b-p normally closed m30 max. operation distance: 22 mm 0.87 in (stable sensing range 0 to 17.6 mm 0.69 in) gx-mk30a gx-mk30a-p normally open gx-mk30b gx-mk30b-p normally closed cylindrical inductive proximity sensor 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 fuctuation. dc 3-wire type (2 m cable length type) ex.) gx-m12 ex.) gx-mk12 listing (2 m cable length type only) $ p o g p s n j o h u p & . $ % j s f d u j w f 7
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 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 . m12 plug-in connector type (except for gx-m8-u and gx-ml8-u) m12 pigtailed type (for gx-m8-u and gx-ml8-u only) 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 fuctuation. order guide type appearance sensing range (note 1,2) model no. output operation standard m8 max. operation distance: 1.5 mm 0.06 in (stable sensing range 0 to 1.2 mm 0.05 in) gx-m8a-u normally open gx-m8b-u normally closed m12 max. operation distance: 2 mm 0.08 in (stable sensing range 0 to 1.6 mm 0.06 in) gx-m12a-u normally open gx-m12b-u normally closed m18 max. operation distance: 5 mm 0.20 in (stable sensing range 0 to 4 mm 0.16 in) gx-m18a-u normally open gx-m18b-u normally closed m30 max. operation distance: 10 mm 0.39 in (stable sensing range 0 to 8 mm 0.32 in) gx-m30a-u normally open gx-m30b-u normally closed long range m8 max. operation distance: 2.5 mm 0.10 in (stable sensing range 0 to 2 mm 0.08 in) gx-ml8a-u normally open gx-ml8b-u normally closed m12 max. operation distance: 4 mm 0.16 in (stable sensing range 0 to 3.2 mm 0.13 in) gx-ml12a-u normally open gx-ml12b-u normally closed m18 max. operation distance: 8 mm 0.32 in (stable sensing range 0 to 6.4 mm 0.25 in) gx-ml18a-u normally open GX-ML18B-U normally closed m30 max. operation distance: 15 mm 0.59 in (stable sensing range 0 to 12 mm 0.47 in) gx-ml30a-u normally open gx-ml30b-u normally closed cylindrical inductive proximity sensor gx-m series dc 2-wire type (2 m cable length type) ex.) gx-m12 -u mating cable ? straight type ? elbow type mating cable (2 cables are required for the thru-beam type.) type model no. description for m12 plug-in connector type straight cn-24c-c2 length: 2 m 6.56 ft clamping ring : ?14mm 0.55 in cable outer : ?5.3mm 0.21 in cn-24c-c5 length: 5 m 16.40 ft elbow cn-24cl-c2 length: 2 m 6.56 ft cn-24cl-c5 length: 5 m 16.40 ft 8
dc 3-wire type type shielded type non-shielded type model no. normally open gx-m8a gx-m12a gx-18a gx-m30a gx-mk12a gx-mk18a gx-mk30a item normally closed gx-m8b gx-m12b gx- 18b gx- m30b gx-mk12b gx-mk18b gx-mk30b max. operation distance (note 2,3) 1.5 mm 0.06 in 10 % 2 mm 0.08 in 10 % 5 mm 0.20 in 10 % 10 mm 0.39 in 10 % 7 mm 0.28 in 10 % 12 mm 0.47 in 10 % 22 mm 0.87 in 10 % stable sensing range (note 2,3) 0 to 1.2 mm 0 to 0.05 in 0 to 1.6 mm 0 to 0.06 in 0 to 4 mm 0 to 0.16 in 0 to 8 mm 0 to 0.32 in 0 to 5.6 mm 0 to 0.22 in 0 to 9.6 mm 0 to 0.38 in 0 to 17.6 mm 0 to 0.69 in standard sensing object iron sheet 8 8 t 1 mm 0.32 0.32 t 0.04 in iron sheet 12 12 t 1 mm 0.47 0.47 t 0.04 in iron sheet 18 18 t 1mm 0.71 0.71 t 0.04 in iron sheet 30 30 t 1 mm 1.18 1.18 t 0.04 in iron sheet 24 24 t 1 mm 0.94 0.94 t 0.04 in iron sheet 24 24 t 1 mm 0.94 0.94 t 0.04 in iron sheet 45 45 t 1 mm 1.77 1.77 t 0.04 in hysteresis (note 2) 15 % or less of operation distance (with standard sensing object) repeatability (note 2) along sensing axis: 5 % or less of operation distance supply voltage 12 to 24 v dc 10 % ripple p-p 10 % or less current consumption (note 4) 10 ma or less output 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 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 utilization category dc-12 or dc-13 short-circuit protection incorporated max. response frequency 5 khz 5 khz 2 khz 1 khz 2.5 khz 1 khz 0.5 khz operation indicator yellow led (lights up when the output is on) environmental resistance pollution degree 3 (industrial enviroment) protection ip67 (iec) ip69k (din), ip68 (iec) (2 m cable length type only) , ip67 (iec) (m12 plug-in connector type only) ambient temperature C25 to +70 c C13 to +158 f, storage: C40 to +85 c C40 to +185 f ambient humidity 50 % rh or less (at +70 c +158 f) emc en 60947-5-2 voltage withstandability 500 v ac for one min. between all supply terminals connected together and enclosure vibration resistance 10 to 55 hz frequency, 0.5 mm 0.02 in amplitude in x, y and z directions for 1.5 hours each shock resistance 294 m/s 2 acceleration (30 g approx.) in x, y and z directions for three times each sensing range variation (note 2) within 10 % fuctuation of sensing range at +23 c +73 f and rated voltage in the range of allowable temperature and supply voltage material enclosure: brass (nickel plated), sensing part: pps cable (except for m12 plug-in connector type) 0.44 mm 2 (0.15 mm 2 for gx-m8) 3-core cabtyre cable, 2 m 6.56 ft long cable extension extension up to total 10 m 32.80 ft is possible with 0.34 mm 2 , or more, cable. net weight (note 5) 2 m cable length type 40 g approx. 70 g approx. 90 g approx. 150 g approx. 75 g approx. 100 g approx. 180 g approx. m12 plug-in connector type 15 g approx. 20 g approx. 45 g approx. 110 g approx. 25 g approx. 55 g approx. 140 g approx. accessories nut: 2 pcs. notes: 1) where measurement conditions have not been specifed 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 fuctuation. 4) it is the leakage current when the output is in the off state. 5) the weight includes the weight of two nuts. specifications cylindrical inductive proximity sensor gx-m series 9
dc 2-wire type type standard type long range type model no. normally open 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 ) item normally closed 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 ) max. operation distance (note 2,3) 1.5 mm 0.06 in 10 % 2 mm 0.08 in 10 % 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 % 8 mm 0.32 in 10 % 15 mm 0.59 in 10 % stable sensing range (note 2,3) 0 to 1.2 mm 0 to 0.05 in 0 to 1.6 mm 0 to 0.06 in 0 to 4 mm 0 to 0.09 in 0 to 8 mm 0 to 0.22 in 0 to 2 mm 0 to 0.08 in 0 to 3.2 mm 0 to 0.13 in 0 to 6.4 mm 0 to 0.25 in 0 to 12 mm 0 to 0.47 in standard sensing object iron sheet 8 8 t 1 mm 0.32 0.32 t 0.04 in iron sheet 12 12 t 1 mm 0.47 0.47 t 0.04 in iron sheet 18 18 t 1mm 0.71 0.71 t 0.04 in iron sheet 30 30 t 1 mm 1.18 1.18 t 0.04 in iron sheet 8 8 t 1 mm 0.32 0.32 t 0.04 in iron sheet 12 12 t 1 mm 0.47 0.47 t 0.04 in iron sheet 18 18 t 1 mm 0.71 0.71 t 0.04 in iron sheet 30 30 t 1 mm 1.18 1.18 t 0.04 in hysteresis (note 2) 15 % or less of operation distance (with standard sensing object) repeatability (note 2) along sensing axis: 5 % or less of operation distance supply voltage 12 to 24 v dc 10 % ripple p-p 10 % or less current consumption (note 4) 0.5 ma or less output non-contact dc 2-wire type ? load current: 1.5 to 100 ma ? residual voltage: 4.2 v or less (note 5) utilization category dc-12 or dc-13 short-circuit protection incorporated max. response frequency 1 khz 1 khz 1.2 khz 1.3 khz 1.1 khz 1.3 khz 1.5 khz 0.8 khz operation indicator yellow led (lights up when the output is on) environmental resistance pollution degree 3 (industrial environment) protection ip67 (iec) ip69k (din), ip68 (iec) (2 m cable length type only) , ip67 (iec) (m12 plug-in connector type only) ambient temperature C25 to +70 c C13 to +158 f, storage: C40 to +85 c C40 to +185 f ambient humidity 50 % rh or less (at +70 c +158 f) emc en 60947-5-2 voltage withstandability 500 v ac for one min. between all supply terminals connected together and enclosure vibration resistance 10 to 55 hz frequency, 0.5 mm 0.02 in amplitude in x, y and z directions for 1.5 hours each shock resistance 294 m/s 2 acceleration (30 g approx.) in x, y and z directions for three times each sensing range variation (note 2) within 10 % fuctuation of sensing range at +23 c +73 f and rated voltage in the range of allowable temperature and supply voltage material enclosure: brass (nickel plated), sensing part: pps cable (except for m12 plug-in connector type) 0.44 mm 2 [0.15 mm 2 for gx-m(l)8-u] 2-core cabtyre cable, 2 m 6.56 ft long cable extension extension up to total 10 m 32.80 ft is possible with 0.34 mm 2 , or more, cable. net weight (note 6) 2 m cable length type 40 g approx. 70 g approx. 90 g approx. 150 g approx. 40 g approx. 70 g approx. 90 g approx. 150 g approx. m12 pigtailed(-j type) / m12 plug-in connector type 20 g approx. 20 g approx. 45 g approx. 110 g approx. 20 g approx. 20 g approx. 45 g approx. 110 g approx. accessories nut: 2 pcs. notes: 1) where measurement conditions have not been specifed 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 fuctuation. 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. specifications cylindrical inductive proximity sensor gx-m series 10
(brown) +v + ? (blue) 0 v (black) output load 12 to 24v dc 10 % (brown) +v + ? (blue) 0 v (black) output load 12 to 24v dc 10 % (brown) +v + ? (blue) 0 v load load 12 to 24v dc 10 % wiring diagram wiring diagram connector pin position connector pin position npn output type pnp output type 12 43 m12 connector 12 43 m12 connector ? normally open 1 : +v 2 : not connected 3 : 0 v 4 : output ? normally open ( except for gx-m8 -u-j and gx-ml8 -u-j ) 1 : not connected 2 : not connected 3 : +v 4 : 0 v ? normally open ( gx-m8 -u-j and gx-ml8 -u-j only) 1 : +v 2 : not connected 3 : not connected 4 : 0 v ? normally closed 1 : +v 2 : output 3 : 0 v 4 : not connected ? normally closed 1 : +v 2 : 0 v 3 : not connected 4 : not connected wiring diagrams dc 3-wire type dc 2-wire type cylindrical inductive proximity sensor gx-m series 11
mounting ? the tightening torque should be under the value given below. precautions for proper use wiring others ? make sure that the power supply is off while wiring. ? verify that the supply voltage variation is within the rating. ? if power is supplied from a commercial switching regulator, ensure that the frame ground (f.g.) terminal of the power supply is connected to an actual ground. ? ensure that an isolation transformer is utilized for the dc power supply. if an autotransformer is utilized, the main body or power supply may be damaged. ? if the used power supply generates a surge, connect a surge absorber to the power supply to absorb the surge. ? in case noise generating equipment (switching regulator, inverter motor, etc.) is used in the vicinity of this product, connect the frame ground (f.g.) terminal of the equipment to an actual ground. ? do not run the wires together with high-voltage lines or power lines or put them in the same raceway. this can cause malfunction due to induction. ? damage or burnout may result in case of short circuit of load or miswiring. ? make a cable length as short as possible to lessen noise pickup. ? our products have been developed / produced for industrial use only. ? avoid using a product where there is excessive vapor, dust or corrosive gas, or in a place where it could be exposed directly to water or chemicals. ? take care that the sensor does not come in direct contact with water, oil, grease or organic solvents, such as, thinner, etc. ? do not use in an environment containing infammable or explosive gases. ? never disassemble or modify the product. cylindrical inductive proximity sensor gx-m series sensor size b (mm in) c (mm in) m12 12 0.47 12 0.47 m18 18 0.71 18 0.71 m30 30 1.18 30 1.18 type d (mm in) e (mm in) m8 m12 m18 m30 m8 m12 m18 m30 dc 3-wire shielded type 18 0.71 24 0.94 60 2.36 120 4.72 3 0.12 4 0.16 10 0.39 20 0.77 dc 3-wire non-shielded type - 84 3.30 144 5.67 264 10.39 - 48 1.89 72 2.83 120 4.72 dc 2-wire standard type 18 0.71 24 0.94 60 2.36 120 4.72 3 0.12 4 0.16 10 0.39 20 0.77 dc 2-wire long range type 30 1.18 50 1.97 100 3.93 180 7.09 5 0.20 8 0.32 16 0.63 30 1.18 type a (mm in) m8 m12 m18 m30 dc 3-wire shielded type 3 0.12 4 0.16 10 0.39 20 0.79 dc 3-wire non-shielded type - 21 0.83 36 1.42 66 2.60 dc 2-wire standard type 4.5 0.18 6 0.23 15 0.59 30 1.18 dc 2-wire long range type 8 0.32 12 0.47 25 0.98 45 1.77 model no. tightening torque sensor size sensor connector (note) gx-m m8 5 nm 2 nm m12 6 nm 2 nm m18 15 nm 2 nm m30 40 nm 2 nm gx-m(l)8-u-j m8 5 nm 1.5 nm note: connector is equipped with -z type or -j type. distance from surrounding metal ? as metal around the sensor may affect the sensing performance, pay attention to the following points. infuence of surrounding metal ? the surrounding metal will affect the sensing performance. keep the minimum distance specifed in the table below. $ % d f n j u r x q g p h w d o embedding of the sensor in metal ? sensing range may decrease if the sensor is completely embedded in metal. especially for the non- shielded type, keep the minimum distance specifed in the right table. & 0 h w d o % note: with the non-shielded type, the sensing range may vary depending on the position of the nuts. mutual interference ? when two or more sensors are installed in parallel or face to face, keep the minimum separation distance specifed below to avoid mutual interference. face to face mounting ' parallel mounting ( ? never use this product as a sensing device for personnel protection. ? in case of using sensing devices for personnel protection, use products which meet laws and standards, such as osha, ansi or iec etc., for personnel protection applicable in each region or country. 12
dc 3-wire type a b led sensors 2 m cable length type (mm in) m12 plug-in connector type (mm in) shielded type a b a b m8 gx-m8 33 1.30 25 0.98 45 1.77 24 0.94 m12 gx-m12 35 1.38 25 0.98 50 1.97 30 1.18 m18 gx-m18 39 1.54 28 1.10 50 1.97 28 1.10 m30 gx-m30 43 1.69 32 1.26 55 2.17 32 1.26 led a b c sensors 2 m cable length type (mm in) m12 plug-in connector type (mm in) non-shielded type a b c a b c m12 gx-mk12 55 2.17 42 1.65 5 0.20 66 2.60 42 1.65 5 0.20 m18 gx-mk18 60 2.36 44 1.73 8 0.32 72 2.83 44 1.73 8 0.32 m30 gx-mk30 63 2.48 41 1.61 13 0.51 74 2.91 41 1.61 13 0.51 dc 2-wire type a b led sensors 2 m cable length type (mm in) m12 plug-in connector type (mm in) (m8 size: m12 pigtailed type) standard type, long range type a b a b m8 gx-m(l)8-u (-j) 33 1.30 25 0.98 C 24 0.94 m12 gx-m(l)12-u (-z) 35 1.38 25 0.98 50 1.97 30 1.18 m18 gx-m(l)18-u (-z) 39 1.54 28 1.10 50 1.97 28 1.10 m30 gx-m(l)30-u (-z) 43 1.69 32 1.26 55 2.17 32 1.26 cylindrical inductive proximity sensor gx-m series dimensions (unit: mm in) 13
please contact .......... panasonic electric works sunx co., ltd. 2431-1 ushiyama-cho, kasugai-shi, aichi, 486-0901, japan telephone: +81-568-33-7211 facsimile: +81-568-33-2631 global sales & marketing division telephone: +81-568-33-7861 facsimile: +81-568-33-8591 panasonic-electric-works.net/sunx all rights reserved ? panasonic electric works sunx co., ltd. 2011 specifications are subject to change without notice. printed in japan no. ce-cygx-10 november, 2011 disclaimer the applications described in the catalog are all intended for examples only. the purchase of our products described in the catalog shall not be regarded as granting of a license to use our products in the described applications. we do not warrant that we have obtained some intellectual properties, such as patent rights, with respect to such applications, or that the described applications may not infringe any intellectual property rights, such as patent rights, of a third party.
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