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Intro duction
Communication Device Usage Precautions
If communication devices such as transceivers, cellular phones, PHS phones, or pagers are
used in the vicinity of this product, depending on the transmission frequencies being used
there may cases in which the product does not function properly, so please observe the
following precautions.
• Before using a communication device, check the distance at which the
communication device does not affect the operation of this product, and maintain
that distance or more when using the communication device.
• Close the case cover of the transmission unit before using communication devices.
HART Communication Usage Precautions
• If, as a result of burnout, the output of this device drops to 6 mA or 3.2 mA
(optional) or lower, HART communication may not be possible. In such cases, turn
the power off and then on again before starting communication. If burnout and
communication failure persist, there is a chance that the product is broken, so please
contact us.
Usage precautions for devices using HART
• If, as a result of the effects of electrical noise in the installation environment, HART
communication with the host is not possible, take countermeasures such as distancing
the signal cable from the noise sources, re-evaluating the grounding conditions,
and changing the signal cable to a shielded cable. Incidentally, even if HART
communication is not possible due to noise, the 4-20 mA analog signal will not be
affected.
• When using this product in multidrop mode, there is a limit to the number of units
which can be used. If using multidrop, please consult our representative for more
details.
Disposal precaution for Electrical and Electronic Equipment
Disposal of Electrical and Electronic Equipment (for Environmental Protection)
This is an industrial product subject to the WEEE Directive.
Do not dispose of electrical and electronic equipment in the same way as household waste.
Old products contain valuable raw materials and must be returned to an authorized
collection point for correct disposal or recycling.
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