IDEC MICRO/I HG2J-7U Hardware Manual page 2

SAFETY PRECAUTIONS
SAFETY PRECAUTIONS
• Be certain to read this manual carefully before performing installation, wiring, or maintenance work, or operating
the MICRO/I HG2J-7U,HG5G/4G/3G/2G-V, HG4G/3G, HG2G-5F/-5T, HG1G/1P (Hereinafter referred to as
"MICRO/I"). If the MICRO/I is used in a manner not specified by the manufacturer, the protection provided by the
equipment may be impaired.
• The MICRO/I has been manufactured with careful regard to quality. However, if you intend to use this product in
applications where failure of this equipment may result in damage to property or injury, ensure that it used in
conjunction with appropriate fail-safe backup equipment.
• Precautionary measure should be taken to avoid unauthorized access from the outside network to the MICRO/I.
Please note that the Company shall not be liable for any loss, damage or other expenses incurred directly or
indirectly by unauthorized access, etc.
• In this manual, safety precautions are categorized depending on the severity as Warning or Caution:
MICRO/I (Common to all models):
• This product is not designed for use in applications requiring a high degree of reliability and safety, such as
applications for medical devices, nuclear power, railroads, aerospace, and automotive devices. This product
should not be used for such applications.
• Turn off the power of this product before installation, removal, wiring, maintenance, and inspection of this
product. Failure to turn power off may cause electrical shock or fire hazard.
• Special expertise is required to install, wire, configure, and operate this product. Person without such expertise
must not use this product.
• This product uses an LCD (liquid crystal display) as a display device. The liquid inside the LCD is harmful to the
skin. If the LCD is broken and the liquid attaches to your skin or clothing, wash the liquid off using soap, and
consult a doctor immediately.
• An emergency circuit that uses emergency stop switch must be configured outside of this product.
• Do not use touch switches, the function keys and selector switches for an emergency circuit or an interlocking
circuit. If this product fails, equipment connected to this product will no longer be protected, and serious injury
to operators and equipment damage may be caused.
• In case this product is accidentally dropped or exposed to significant shock, stop using this product, check this
product for damage, and confirm that its various functions work safely and correctly.
• Connect MICRO/I's FG wire to grounding resistance of 100 Ω or less. Otherwise, there is a risk of electric shock
or malfunction.
• The screen will not be visible if the backlight of this product burns out. However, the touch panel and the function
keys will remain functional. Thus, Erroneous touch panel operation or function key operation may occur while
controlling the touch panel. Because such erroneous operations could result in damage, the touch panel and the
function key should not be used once the backlight is burned out.
HG5G/4G/3G/2G-V, HG4G/3G, HG2G-5F/-5T, HG1G/1P:
• When more than one panel spot is pressed at the same time, due to the detection mechanism of the analog type
touch panel used in this product, the unit assumes that only the center of the pressed spots is sensed and the unit
assumes that only one button is pressed. Therefore, do not operate this product by pressing more than one button
simultaneously.
Preface-1
Warning notices are used to emphasize that improper operation may cause severe
personal injury or death.
Caution notices are used where inattention might cause personal injury or damage to
equipment.
MICRO/I Hardware Manual