Precautions For Correct Use - Omron FQ2-S4 User Manual

Observe the following precautions to prevent failure to operate, malfunctions, or undesirable effects on product
performance.
1. Installation Site
Do not install this product in locations subjected to the following conditions:
• Ambient temperature outside the rating
• Rapid temperature fluctuations (causing condensation)
• Relative humidity outside the range of 35 to 85%
• Direct vibration or shock
• Strong ambient light (such as other laser beams, light from arc-welding machines, or ultraviolet light)
• Direct sunlight or near heaters
• Strong magnetic or electric field
Also, do not install this product in locations subjected to the following conditions to ensure its protective
performance as described in the specifications:
• Presence of corrosive or flammable gases
• Presence of dust, salt, or iron particles
• Water, oil, or chemical fumes or spray, or mist atmospheres
Installing and Using a Sensor with Built-in Lighting
• The front-panel plate may occasionally become fogged from the inside if the Sensor is used in location with
high humidity and the temperature changes drastically.
• Do not install any objects except for the special mounting brackets within the dotted lines in the following
figure. The front-panel plate may become fogged from the inside.
25 mm
25 mm
2. Power Supply, Connection, and Wiring
• When using a commercially available switching regulator, make sure that the FG terminal is grounded.
• If surge currents are present in the power lines, connect surge absorbers that suit the operating
environment.
• Before turning ON the power after the product is connected, make sure that the power supply voltage is
correct, there are no incorrect connections (e.g. load short-circuit) and the load current is appropriate.
Incorrect wiring may result in breakdown of the product.
• For cables, use only the special products specified in this manual.
• Do not subject the Cables to twisting stress. Doing so may damage the Cables.
• Always turn OFF the power supply before connecting or disconnecting Cables. The Sensor may fail if a
Cable is connected or disconnected while power is being supplied.
p.565, p.566, p.567, p.568
• Use only combinations of the Sensor and Touch Finder specified in this manual. Using other combinations
may cause malfunction or damage.
• Do not turn the power OFF in the following instances. Doing so will damage data that is in the process of
being saved.
FQ2-S4 User's Manual

Precautions for Correct Use

25 mm
25 mm 25 mm
Water-proof Sheet
25 mm
25 mm
Waterproof sheet
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