PANASONIC LS-H92 (02) PDF Document

The PANASONIC LS-H92 belongs to the “Class 2 laser product” category according to IEC 60825-1:2014 (EN 60825-1:2014/A11:2021) “Radiation Safety of Laser Products”.

Class 2 is defined as a laser that emits visible light with the wavelength range of 400 nm to 700 nm under which eyes can be protected by an aversive reaction (Avoidance behavior) such as a blink.

Please observe the following safety measures:

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

• 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.

• Avoid observing beams continuously, particularly in a dark surrounding environment.

• Do not look at beams using an optical device such as an optical telephoto system.

• Never attempt to disassemble, repair, or modify this product.

• Use of control or adjustment or performance of procedures other than those specified in the instruction manual may result in hazardous radiation exposure.

Note: The sensing range values above are with the reflector (RF-230). The model No. with suffix ‘-C5’ stands for the 5m cable length type. The model No. with suffix ‘-Y’ is the sensor without the reflector.

• This product has been designed to meet the specifications when it is used along with the optional exclusive amplifier. Hence, please ensure to use this product along with the optional exclusive amplifier (LS-400 series).

• Always use the sensor with the connector to be joined to the amplifier.

• Make sure that the power is off while wiring to the amplifier.

• 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.

• 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.

• Do not use the sensor during the initial transient time (0.5 sec.) just after the power supply is switched on.

• 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.

• Take care that the sensor head is not directly exposed to fluorescent lamp from a rapid-starter lamp or a high frequency lighting device, as it may affect the sensing performance.

• The sensor head cable cannot be extended.

• Make sure that stress is not applied to the sensor head cable joint.

• This sensor is suitable for indoor use only.

• Do not allow any water, oil fingerprints, etc., which may refract light, or dust, dirt, etc., which may block light, to stick to the emitting/receiving surfaces of the sensor head. In case they are present, wipe them with a clean, soft cloth or lens paper.

• Do not use the sensor in vaporous, dusty or corrosive gas atmospheres.

• Take care that the sensor does not come in contact with water, oil, grease or organic solvents, such as, thinner, etc.

• Make sure that the power is off while cleaning the emitting/receiving windows of the sensor head.

• The tightening torque should be 0.5N•m or less.

• When placing the sensor horizontally or vertically, the reflector must also be positioned horizontally or vertically.

• If the sensor is placed horizontally or vertically but the mirror is tilted, the reflection amount will decrease, which may cause unstable detection. The reflective mirror must not be tilted toward the PANASONIC LS-H92.

In principle, the coaxial retroreflective type PANASONIC LS-H92 may be unable to detect a mirror object or an object which easily diffuses the receiving light at a short sensing distance since the polarized light becomes unstable. In this case, take the following measures:

• Lower the receiving light sensitivity with the M.G.S. function of the amplifier.

• Change the response time.

• Make the distance between the sensor head and the sensing object farther.

The receiving light intensity may change depending on the surface condition of the reflector. When a threshold value is set with the applicable amplifier LS-400 series, sufficient margin should be taken into account.

The PANASONIC LS-H92 is in super high sensitivity setting. Thus, the output may be unstable since it can be easily affected by extraneous noise. In this case, lower the receiving light sensitivity with the M.G.S. function. The sensing distance depends on the receiving light sensitivity as shown in the table below (values with reflector RF-230):

Wire connecting procedure:

1. Process the core length to 7 to 8 mm in accordance with ‘STRIP GAUGE’ indicated on the side of this unit, and twist the core several times. When using shielded wires, twist the wire until obtaining the diameter of φ1.2 mm or less.

2. Use a flathead screwdriver (Blade width: 2 mm or less) to push the operating lever (white) located at the operating area until it is locked.

3. Insert the wire to the innermost of the wire inlet. Check that the shielded wire is properly inserted into the wire inlet as well as that the core end has passed through the wire connection area.

4. Place the head of a flathead screw-driver underneath the operating lever (white) through the releasing slot, and lift the screw-driver head. If you hear a snap, the operating lever (white) is returned and the wire is fixed.

5. Lightly pull the wire to ensure that wire is not loose. When using shielded wires, also check that they do not contact each other.

Connecting cable Terminal No.:

1. Conductive core: Brown

2. Shielded wire (Cable color: Gray)

3. Conductive core: Yellow

4. Shielded wire (Cable color: Black)

The cable of the sensor head can be shortened to your desired length. However, it cannot be extended.

Releasing procedure:

Use a flat-head screwdriver (Blade width: 2mm or less) to push the operating lever (white) located at the wire inlet and remove the wire.