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Discontinued
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Micro-size Inductive Proximity Sensor GXL (Discontinued Products)

Cautions For Use

  • 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.

Mounting

GXL-8 type

  • The tightening torque should be 0.5 N·m or less.
  • To mount the sensor with a nut, the thru-hole diameter should be ø3.4 mm ø0.134 in. With the attached mounting screw and nut, take care that the thickness of the mounting plate should be 2.3 mm 0.091 in or less.
  • If a screw other than the attached screw is used, make sure to use a M3 truss head screw.

(Do not use a flat head screw or a pan head screw.)

Mounting GXL-8 type

GXL-15 type

  • The tightening torque should be 1 N·m or less.
  • To mount the sensor with the optional sensor mounting bracket MS-GXL15, the thru-hole diameter should be ø3.4 mm

    ø0.134 in

    .
  • Screw, nut or washers are not supplied.
    Please arrange them separately.
  • To mount the long sensing range type on a magnetic body, such as iron, the enclosed aluminum sheet, or any other aluminum sheet having a minimum size of 30 × 39.5 × t 0.3 mm 1.181 × 1.555 × t 0.012 in (GXL-15HLU type: 30 × 30 × t 0.3 mm 1.181 × 1.181 × t 0.012 in), should be inserted between the sensor and the magnetic body.
    However, it is not necessary to use the aluminum sheet when mounting on a nonmagnetic body, such as, aluminum or an insulator.
  • When mounting the inductive proximity sensor with the optional sensor mounting bracket MS-GXL15-2, if the bracket is mounted close to the sensing part, the bracket itself gets sensed and the operation becomes unstable. Make sure to mount such that the mounting holes of the sensor and those of the mounting bracket are in one horizontal straight line.

Influence of surrounding metal

  • When there is a metal near the sensor, keep the minimum separation distance specified below.

Front sensing type

Influence of surrounding metal Front sensing type
  GXL-8F type GXL-15FU type GXL-15FLU type
A 7 mm 0.276 in 8 mm 0.315 in 8 mm 0.315 in (Note)
B 8 mm 0.315 in 20 mm 0.787 in 30 mm 1.181 in
C 3 mm 0.118 in 7 mm 0.276 in 10 mm 0.394 in
Note: The GXL-15FLU type should be mounted on an insulator or a non-magnetic body.
To mount it on a magnetic body, such as iron, use the enclosed aluminum sheet.

Top sensing type

Influence of surrounding metal Top sensing type
  GXL-8H type GXL-15HU type GXL-15HLU type
D 4 mm 0.157 in 6 mm 0.236 in 12 mm 0.472 in
E 10 mm 0.394 in 20 mm 0.787 in 30 mm 1.181 in
F 3 mm 0.118 in 0 mm 0 in 10 mm 0.394 in (Note)
G 3 mm 0.118 in 3 mm 0.118 in 10 mm 0.394 in
Note: When GXL-15HLU type is mounted on an insulator or a non-magnetic body, or seated on the enclosed aluminum sheet, the distance "F" can be zero.

Mutual interference prevention

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

Front sensing
Front sensing
Top sensing
Top sensing
  H J
GXL-8
type
Between "I" type
and non "I" type
0 mm
(Note 2)
15 mm
0.591 in
Between two "I" types
or two non "I" types
18 mm
0.709 in
30 mm
1.181 in
GXL-15FU
GXL-15HU
type
Between "I" type
and non "I" type
0 mm
(Note 2)
25 mm
0.984 in
Between two "I" types
or two non "I" types
30 mm
1.181 in
60 mm
2.362 in
GXL-15FLU
GXL-15HLU
type
Between "I" type
and non "I" type
0 mm
(Note 2)
25 mm
0.984 in
Between two "I" types
or two non "I" types
75 mm
2.953 in
90 mm
3.543 in

Notes:

1) "I" in the model No. specifies the different frequency type.
2) Close mounting is possible for up to two sensors.
When mounting three sensors or more at an equal spacing, align the model with "I" and the model without "I" alternately.
The minimum value of dimension "H" should be as given below.
GXL-8 type: 5 mm 0.1975 in,
GXL-15FU/15HU type: 7.5 mm 0.295 in,
GXL-15FLU/15HLU type: 30 mm 1.181 in

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. Further, the sensing range also changes if the sensing object is smaller than the standard sensing object or if the sensing object is plated.

Correction coefficient

  GXL-8 type GXL-15FU type GXL-15HU
GXL-15FLU
GXL-15HLU
type
Iron 1 1 1
Stainless steel
(SUS304)
0.82 approx. 0.74 approx. 0.75 approx.
Brass 0.59 approx. 0.53 approx. 0.53 approx.
Aluminum 0.57 approx. 0.52 approx. 0.51 approx.

Others

  • Do not use during the initial transient time (50 ms) after the power supply is switched on.

Wiring

  • The sensor must be connected to a power supply via a load. If the sensor is connected to a power supply without a load, the short-circuit protection makes the sensor inoperable. (The output stays in the OFF state and the indicator does not light up.) In this case, rectify by connecting the power supply via a load. Now, the sensor becomes operable. Further, take care that if the power supply is connected with reverse polarity without a load, the sensor will get damaged.

  • For series connection (AND circuit) or parallel connection (OR circuit) of sensors, take care of the following.

  • The residual voltage of the sensor is 3 V. Before connecting a relay at the load, take care of its actuation voltage. (Some 12 V relays may not be usable.)

Use conditions to comply with CE Marking

  • Following work must be done in case of using this product as a CE Marking (European standard EMC Directive)conforming product.

Ensure that the shield is connected to 0 V.

Note: The shield (piping, etc.) must be insulated.

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