Instruction Manual

Introduction
This manual describes the basic operations and hardware functions of the DL-DN1. Read
the manual carefully to ensure safe performance and function of the DL-DN1.
Keep this manual in a safe place for future reference.
Ensure that the end user of this product receives this manual.
Symbols
The following symbols alert you to matters concerning the prevention of injury and product
damage.
It indicates cautions and limitations that must be followed during opera-
tion.
It indicates additional information on proper operation.
It indicates tips for better understanding or useful information.
It indicates a hazardous situation which, if not avoided, will result in
death or serious injury.
It indicates a hazardous situation which, if not avoided, could result
in death or serious injury.
It indicates a hazardous situation which, if not avoided, could result
in minor or moderate injury.
It indicates a situation which, if not avoided, could result in product
damage as well as property damage.
Point
Important
CAUTION
DANGER
NOTICE
WARNING
Reference
WARRANTY
KEYENCE products are strictly factory-inspected. However, in the event of a failure,
contact your nearest KEYENCE office with details of the failure.
1. WARRANTY PERIOD
The warranty period shall be for one year from the date that the product has been
delivered to the location specified by the purchaser.
2. WARRANTY SCOPE
(1) If a failure attributable to KEYENCE occurs within the abovementioned warranty
period, we will repair the product, free of charge. However, the following cases shall
be excluded from the warranty scope.
• Any failure resulting from improper conditions, improper environments, improper
handling, or improper usage other than described in the instruction manual, the
user’s manual, or the specifications specifically arranged between the purchaser
and KEYENCE.
• Any failure resulting from factors other than a defect of our product, such as the
purchaser’s equipment or the design of the purchaser’s software.
• Any failure resulting from modifications or repairs carried out by any person other
than KEYENCE staff.
• Any failure that can certainly be prevented when the expendable part(s) is
maintained or replaced correctly as described in the instruction manual, the user’s
manual, etc.
• Any failure caused by a factor that cannot be foreseen at a scientific/technical level
at the time when the product has been shipped from KEYENCE.
• Any disaster such as fire, earthquake, and flood, or any other external factor, such
as abnormal voltage, for which we are not liable.
(2) The warranty scope is limited to the extent set forth in item (1), and KEYENCE
assumes no liability for any purchaser’s secondary damage (damage of equipment,
loss of opportunities, loss of profits, etc.) or any other damage resulting from a failure
of our product.
3. PRODUCT APPLICABILITY
KEYENCE products are designed and manufactured as general-purpose products for
general industries.
Therefore, our products are not intended for the applications below and are not
applicable to them. If, however, the purchaser consults with us in advance regarding
the employment of our product, understands the specifications, ratings, and
performance of the product on their own responsibility, and takes necessary safety
measures, the product may be applied. In this case, the warranty scope shall be the
same as above.
• Facilities where the product may greatly affect human life or property, such as
nuclear power plants, aviation, railroads, ships, motor vehicles, or medical
equipment
• Public utilities such as electricity, gas, or water services
• Usage outdoors, under similar conditions or in similar environments
E 1040-1