Panasonic WHA1 Series User Manual page 6

Before You Start
■ Usage conditions
・ Ambient temperatures: -20 to 50 °C
・ Ambient humidity should be 5 to 85% RH (at +25 °C and non-condensing.)
・ Usable altitude: 2000 m above sea level or lower
・ For use in pollution degree 2 environment
・ Do not use it in the following environments.
- Direct sunlight, wind and rain. (This product is not designed for outdoor use.)
- Inflammable or corrosive gas.
- Excessive airborne dust, metal particles or saline matter.
- Benzine, paint thinner, alcohol or other organic solvents or strong alkaline solutions such as
ammonia or caustic soda.
- Direct vibration, shock or places always exposed to drop of water.
- This unit is warranted by IP66, IP20 for panel mounting, however, this applies to initial values and
evaluated by us .
- Influence from power transmission lines, high voltage equipment, power cables, power equipment,
radio transmitters, or any other equipment that would generate high switching surges. (100 mm or
more)
・ The vents in the panel casing must not be obstructed.
■ Static electricity
・ Do not touch connector pins directly to prevent static electricity from causing damage.
・ Always rid yourself of any static electricity before handling this product.
・ If excessive static electricity is applied to the panel surface, the LCD panel may be damaged.
■ Power Supply
・ Twist the wires of the power supply.
・ The unit has sufficient noise immunity against the noise generated on the power line.
・ However, it is recommended to take measures for reducing noise such as using an isolating
transformer before supplying the power. And it is recommended to take measures such as installing a
ferrite core.
・ Allocate an independent wiring for each power supplying line, PLC etc. and operating device.
・ If using a power supply without a protective circuit, power should be supplied through a protective
element such as fuse. Directly applying an abnormal voltage to the unit may cause the damage to the
internal circuit.
・ Transient protection shall be provided that is set at a level not exceeding 140 % of the peak rated
voltage value at the supply terminals to the equipment.
・ DO NOT DISCONNECT WHILE CIRCUIT IS LIVE
■ Selection of wires
・ Use a wire of which temperature rating is 105 °C or more.
■ Touch switches
This product uses the capacitive type.
・ Be sure to use your fingers to operate the touch switch. Do not use your claw to operate the touch
switch.
・ Do not press or scratch the surface of the touchscreen with a hard object.
・ If a large amount of water droplets are attached to the touchscreen, it will be falsely detected or
misrecognized. Wipe off the water droplets with a thick, dry cloth.
・ Gloves may cause the touch switch not to respond. Please take off the gloves.
PROGRAMMABLE DISPLAY WHA1 Advanced Model