Panasonic GX-N12M Installation Manual

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INSTRUCTION MANUA

product. Kindly keep this manual in a convenient place for quick reference.

DC Three-wire Type

Cylindrical Inductive Proximity Sensor

GX-N Series

٨٨Never use this product as a sensing device for personnel protection.

In case of using sensing devices for personnel protection, use products which meet standards,

WARNING

SPECIFICATIONS

Item Max. operation distance (Note 4) Stable sensing range (Note 4) Standard sensing object Supply voltage Current consumption (Note 5)

Output

Short-circuit protection Max. response frequency Operation indicator Protection Ambient temperature Ambient humidity Material Cable 0.3mm2 3-core oil, heat and cold resistant cabtyre cable, 2m long Weight (Note 8) (Note 9) Accessories

Notes: 1)

CAUTIONS

Make sure that the power supply is off while wiring.

Take care that wrong wiring will damage the sensor.

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.

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.

Do not use during the initial transient time

(50ms) after the power supply is switched on.

Extension up to total 100m is possible with a

0.3mm Make sure that stress by forcible bend or pull-

ing is not applied directly to the sensor cable joint. Take care that the sensor does not come in

direct contact with organic solvents, such as, thinner, etc. Make sure that the sensing end is not cov-

ered with metal dust, scrap or spatter. It will result in malfunction.

such as OSHA, ANSI or IEC etc., for personnel protection applicable in each region or country.

Color code

(Brown) +V

(Black) Output

(Blue) 0V

Non-shielded typeShielded typeType

GX-N18ML

GX-N18MLB

15mmr10%

0 to 12mm

Iron sheet 5050t1mm

100Hz 100Hz350Hz300Hz450Hz 300Hz

110g approx. 240g approx.65g approx.240g approx.65g approx. 110g approx.

Load

max.

100mA

Model

No.

Normal open Normal closed

GX-N12M

GX-N12MB

3mmr10% 0 to 2.4mm

Iron sheet 1212t1mm

GX-N18M

GX-N18MB

7mmr10% 0 to 5.6mm

Iron sheet 1818t1mm

NPN open-collector transistor

࡮Maximum sink current: 100mA ࡮Applied voltage: 30V DC or less (between output and 0V) ࡮Residual voltage: 1.5V or less (at 100mA sink current)

Enclosure: Brass (Nickel plated), Sensing part: Nylon, Indicator part: Nylon

GX-N30M

GX-N30MB

10mmr10%

0 to 8mm

Iron sheet 3030t1mm

12 to 24V DC % Ripple: P-P10% or less

0.4V or less (at 16mA sink current)

Orange LED (lights up when the output is ON)

IP67 (IEC), IP67g (JEM)

-25 to +70, Storage: -30 to +80

45 to 85% RH, Storage: 35 to 95% RH

Nut: 2 pcs., Toothed lock washer: 1 pc.

Iron sheet 3030t1mm

+10

-15

10mA or less

Incorporated

GX-N12ML

GX-N12MLB

8mmr10% 0 to 6.4mm

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. The weight of the threaded type includes the weight of two nuts and one toothed lock washer.

I/O CIRCUIT DIAGRAM

Sensor circuit

Internal circuit Users' circuit

Note: If a capacitive load is directly connected to the

output, malfunction may occur.

Symbols...

Reverse supply polarity protection diode

Surge absorption zener diode

NPN output transistor

MOUNTING

٨٨The tightening torque should be under the value

given below. Mount such that the nuts do not protrude from the threaded portion.

, or more, cable.

Attached toothed lock washer

Mounting plate

Model No.

GX-N12M(B)

GX-N18M(B)

GX-N30M(B)

GX-N12ML(B) GX-N18ML(B) GX-N30ML(B)

Dimension A (mm)

<Non-shielded type>

3.5 to 13.5

13.5 or more 4 to 18

18 or more

5 to 21

21 or more 15 or more 25 or more 30 or more

GX-N30ML

GX-N30MLB

22mmr10% 0 to 17.6mm

Iron sheet 7070t1mm

12 to 24V DC

+10

-15

Attached toothed lock washer

Mounting plate

Tightening torque

10N㨯m 20N㨯m 45N㨯m 80N㨯m 80N㨯m

180N㨯m

20N㨯m 80N㨯m

180N㨯m

Caution with GX-N12M(B) and GX-N12ML(B)

The root truncation of the threaeds is shallow owing to strengthening of the sensors against tightening. When tapping holes on equipment to fix the sensors, the prepared hoels must be Ǿ11.2mm or more with GX-N12M(B) and GX-N12ML(B).

Tapping holes

Sensor

٨࡮Distance from surrounding metal

As metal around the sensor may affect the sensing performance, pay attention to the following points.

Influence of surrounding metal

࡮ The surrounding metal will affect the sensing

performance. Keep the minimum distance specified in the table below.

Background metal

Model No. B (mm)

GX-N12M(B) GX-N18M(B) GX-N30M(B) GX-N12ML(B) GX-N18ML(B) GX-N30ML(B)

8 20 40 22 45 75

Embedding of the sensor in metal

࡮

Sensing range may decrease if the sensor is completely embedded in metal. Especially for the nonthreaded type and the non-shielded type, keep the minimum distance specified in the table below.

Model No.

GX-N12ML(B) GX-N18ML(B)

Metal

GX-N30ML(B)

Note: With the non-shielded type, the sensing range

may vary depending on the position of the nuts.

C (mm)

Ǿ50 Ǿ75

Ǿ105

D (mm)

15 25 30

٨࡮Mutual interference

When two or more sensors are installed in parallel or face to face, keep the minimum separation distance specified below to avoid mutual interference.

Face to face mounting

Parallel mounting

Model No.

GX-N12M(B) GX-N18M(B) GX-N30M(B) GX-N12ML(B) GX-N18ML(B) GX-N30ML(B)

E (mm)

25 50

90 120 180

F (mm)

15 35 55

70 125 190290

٨࡮Sensing range

The sensing range is specified for the standard sensing object. With a non-ferrous metal, the sensing range is obtained by multiplying with the correction coefficient specified below.

Correction coefficient

Metal

Model No.

GX-N12M(B) GX-N18M(B) GX-N30M(B) GX-N12ML(B) GX-N18ML(B) GX-N30ML(B)

Note: The sensing range also changes if the sensing

object is plated.

SUNX Limited

Iron

1 1 1 1 1 1

Stainless steel

(SUS304)

0.77 approx.

0.73 approx.

0.70 approx.

0.66 approx.

0.68 approx.

0.65 approx.

http://www.sunx.co.jp/

Brass

0.52 approx.

0.50 approx.

0.45 approx.

0.44 approx.

0.46 approx.

0.44 approx.

Aluminum

0.51 approx.

0.48 approx.

0.44 approx.

0.43 approx.

0.44 approx.

0.43 approx.

Head Office

2431-1 Ushiyama-cho, Kasugai-shi, Aichi, 486-0901, Japan Phone: +81-(0)568-33-7211 FAX: +81-(0)568-33-2631

Overseas Sales Dept.

Phone: +81-(0)568-33-7861 FAX: +81-(0)568-33-8591

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