Precautions For Safe Use - Omron K7GE-MG User Manual

Precautions for Safe Use

Precautions for Safe Use
(1) Do not use or store the Product in the following locations:
• Outdoor or locations subject to direct sunlight
• Locations subject to rain and wind damage
• Locations subject to excessive vibration or shock
• Locations subject to rapid temperature changes
• Locations prone to icing and dew condensation
• Locations subject to water or oil
• Locations subject to dust or corrosive gases (particularly sulfurizing gases, ammonia, etc.)
• Locations subject to influence of static electricity and noise
• Locations subject to bugs and small animals
(2) A switch or circuit breaker should be provided close to this Unit. The switch or circuit breaker
should be within easy reach of the operator, and must be marked as a disconnecting means for this
Unit.
(3) Mount the Product in the correct direction for installation.
(4) Be sure to use power terminals carefully, because power supply terminals have hazardous voltage.
(5) Use the wire given in this manual.
(6) Use the power supply voltage within the range of the specifications and rated values. Use the input
voltage within the range of the specifications and rated values.
(7) Make sure the crimp terminals for wiring are of the specified size.
(8) Do not connect anything to terminals that are not being used.
(9) Confirm the wiring the input and output terminals correctly before power is supplied.
(10) The terminal block may be damaged if you insert a flat-blade screwdriver in the release hole with
excessive force. When inserting a flat-blade screwdriver into the release holes, operate with a
force of 15•N or less.
(11) K7GE-MG may be subject to radio disturbances. Do not install the Product near equipment that
generates high frequencies or surges.
(12) The maximum terminal temperature is 80°C. Use wires with a heat resistance of 80°C min to wire
the terminals.
(13) Make sure the LCD and the LEDs for output indicators operate correctly. Depending on the
operating environment, the Product parts may deteriorate faster than expected, causing the
indicators to fail.
(14) Use the cable within the length that is rated in the specification requirements for the wiring between
the sensor and the Product. As for the requirements on the cable distance, refer to 3-6 Wiring the
Communications Cable on page 3-13.
(15) In order to prevent inductive noise, wire the lines connected to the Product separately from power
lines carrying high voltages or currents. Also, do not wire in parallel with or on the same cables as
power lines. Other measures for reducing noise are to separate from ducts including noisy lines.
(16) Do not continue to use the Product if the front surface peels.
(17) The alarm output function is a function for the output of an alarm when the set threshold value is
below. Do not use this function for control, etc.
(18) Use this Product inside the control panel to prevent external noise.
(19) When discarding the Product, properly dispose of it as industrial waste.
(20) Never touch the charging terminal of the load while the K7GE-MG is in measurement operation.
(21) K7GE-MG cannot be used for legal inspection. Be sure to use a periodically calibrated measuring
instrument for legal inspection.
(22) When wiring, wire by enough length.
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