Thank you very much for purchasing Panasonic
products. Please read this Instruction Manual
carefully and thoroughly for the correct and
optimum use of this product. Kindly keep this
manual in a convenient place for quick reference.
INSTRUCTION
MANUAL
3 I/O CIRCUIT DIAGRAMS
Color code
Small Inductive Proximity Sensor
D
(Brown) +V
GX Series
ZD
(Black) Output
(Note)
Load
+
12 to 24V DC
r10%
-
50mA max.
(Blue) 0V
Tr
٨
Never use this product as a sensing device for personnel protection. ٨
In case of using sensing devices for personnel protection, use products which meet standards, such as OSHA, ANSI or IEC etc., for personnel protection applicable in
each region or country.
Internal circuit
Users' circuit
WARNING
Symbols...D : Reverse supply polarity protection diode
ZD : Surge absorption zener diode
Tr : NPN output transistor
1 SPECIFICATIONS
Note: GX-3Sغ
, GX-4Sغ
and GX-5Mغ
do not incorporate a short-
circuit protection at the output. Do not connect them directly to
a power supply or a capacitive load.
Shielded type
Non-shielded type
Threaded type
GX-8ML
GX-8MLB
2mmr15%
0 to 1.6mm
Type
Non-threaded type
GX-4S
Threaded type
Normally closed
Normally open
GX-3S
GX-3SB
GX-5S
GX-5SB
1mmr15%
0 to 0.8mm
GX-5M
GX-8M
GX-8MB
Model No.
(Note 1)
٨
GX-5Sغ
, GX-8Mغ
, GX-8MLغ
Item
GX-4SB
GX-5MB
0.8mmr15%
0 to 0.6mm
Max. operation distance (Note 2)
Stable sensing range (Note 2)
Standard sensing object
0.8mmr15%
0 to 0.6mm
Iron sheet 55t1mm
1mmr15%
0 to 0.8mm
Color code
D
(Brown) +V
Iron sheet 66t1mm Iron sheet 55t1mm Iron sheet 88t1mm Iron sheet 1212t1mm
12 to 24V DCr10%
Ripple P-P 10% or less
10 to 30V DC
Ripple P-P 10% or less Ripple P-P 10% or less
12 to 24V DCr10%
10 to 30V DC
Ripple P-P 10% or less
Load
+
Supply voltage
(Black) Output
10 to 30V DC
Tr
-
Current consumption
15mA or less
200mA max.(Note)
(Blue) 0V
ZD
<GX-5Sš, GX-8Mš, GX-8MLš>
NPN open-collector transistor
Maximum sink current: 200mA (Note 3) <GX-3Sš, GX-4Sš, GX-5Mš>
NPN open-collector transistor
Maximum sink current: 50mA Applied voltage: 30V DC or less (between output and 0V)
Residual voltage: 0.4V or less (at 50mA sink current)
Output
Internal circuit
Users' circuit
Applied voltage: 30V DC or less (between output and 0V)
Residual voltage: 1.5V or less (at 200mA sink current) 0.4V or less (at 50mA sink current)
Symbols...D : Reverse supply polarity protection diode
ZD : Surge absorption zener diode
Short-circuit protection
Max. response frequency
Operation indicator
Protection
㧙
1kHz
Incorporated
1.5kHz
Red LED (lights up when the output is ON)
IP67 (IEC)
㧙
Incorporated
500Hz
Tr : NPN output transistor
1kHz
Note: The maximum sink current varies depending on the ambient
temperature.
200
Ambient temperature
-25 to +70͠, Storage: -25 to +80͠
35 to 85% RH
Storage: 35 to 95% RH Storage: 35 to 95% RH
35 to 95% RH
Ambient humidity
35 to 95% RH, Storage: 35 to 95% RH
35 to 85% RH, Storage: 35 to 95% RH
100
Enclosure: Brass Enclosure: Brass
Enclosure: Brass (Nickel plated)
Resin part: ABS
Enclosure: Stainless steel (SUS304)
Resin part: TPX
(Nickel plated)
(Nickel plated)
Material
Resin part: ABS Resin part: TPX
0
0.14mm2 3-core oil, 0.08mm2 3-core oil,
heat and cold resistant heat and cold resistant
cabtyre cable, 3m long cabtyre cable, 3m long
-25
+55
Ambient temperature (͠)
+70
0.08mm2 3-core oil, heat and cold
resistant cabtyre cable, 3m long
0.14mm2 3-core oil, heat and cold
resistant cabtyre cable, 3m long
Cable
If a capacitor of 1ǴF or more is connected between 0V and output or between +V and output, connect a 100ǡ
resistor in series as shown below.
Without the resistor, the short-circuit protection is acti-
vated by the change or discharge current of the capaci-
tor, so that it results in delaying the response whenever
the sensor switches. The connected resistor solves this
problem.
Weight (Note 4)
30g approx.
55g approx.
30g approx.
60g approx.
MS-SS3 (Sensor
MS-SS5 (Sensor
mounting bracket):
1 pc.
mounting bracket): 1 pc.
MS-SS3-2
Accessories
㧙
Nut: 2 pcs., Toothed lock washer: 1 pc.
(C bracket): 1 pc.
Notes: 1) The model No. with '-R' stands for the flexible cable type.
(e.g.) As for the flexible cable type of GX-3SB 'GX-3SB-R'
The model No. with suffix '-C5' stands for the 5m cable length type.
(e.g.) As for the 5m cable length type of GX-3SB 'GX-3SB-C5'
(Brown) +V
+V
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.
1ǴF or more
(Black) Output
Signal
3
3) The maximum sink current varies depending on the ambient temperature. Refer to ' I/O CIRCUIT DIAGRAMS'.
100ǡ
1ǴF or more
4) The weight of the threaded type includes the weight of two nuts and one toothed lock washer.
(Blue) 0V
0V
2 CAUTIONS
Internal circuit
Users' circuit
٨
This product has been developed / produced for industrial use only.
٨
Do not use during the initial transient time (10ms) after the power supply is switched on.
٨
GX-3Sغ
, GX-4Sغ
and GX-5Mغ
do not incor- porate a short-circuit protection at the output.
٨
Do not connect them directly to a power supply or a capacitive load.
٨
Make sure that the power supply is off while wiring.
٨
Take care that wrong wiring will damage the sensor.
٨
Verify that the supply voltage variation is within the rating.
٨
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.
٨
In case noise generating equipment (switch- ing 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.
٨
Do not run the wires together with high-volt- age lines or power lines or put them in the
same raceway. This can cause malfunction
due to induction.
٨
Take care that the sensor does not come in contact with water, oil, grease, organic solvents,
such as, thinner etc., or strong acid, and alka-
line.
٨
Make sure that the sensing end is not covered with metal dust, scrap or spatter. It will result in
malfunction.
٨
Make sure that stress by forcible bend or pulling is not applied to the sensor cable joint.
٨
Since the cable end is not waterproof, do not use the sensor in the application where water
may seep in from the cable end.
٨
Extension up to total 100m is possible with a 0.3mm2, or more (GX-8MLغ
: 0.14mm2, or
more), cable.
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