Safety Precautions - Magnescale LASERSCALE BL55-RU Series Installation Manual

Safety Precautions

Magnescale Co., Ltd. products are designed in full
consideration of safety. However, improper handling
during operation or installation is dangerous and may
lead to fire, electric shock or other accidents resulting
in serious injury or death. In addition, these actions
may also worsen machine performance.
Therefore, be sure to observe the following safety pre-
cautions in order to prevent these types of accidents,
and to read these "Safety Precautions" before operat-
ing, installing, maintaining, inspecting, repairing or oth-
erwise working on this unit.
Warning indication meanings
The following indications are used throughout this
manual, and their contents should be understood be-
fore reading the text.
Warning
Failure to observe these precautions may lead to fire,
electric shock or other accidents resulting in serious
injury or death.
Caution
Failure to observe these precautions may lead to elec-
tric shock or other accidents resulting in injury or dam-
age to surrounding objects.
Symbols requiring attention
CAUTION ELECTRICAL
SHOCK
Symbols prohibiting actions
DO NOT
DISASSEMBLE
Symbols specifying actions
UNPLUG-
GING
BL55-RU
FINGER JAM LASER BEAM
Warning
• Do not use this unit with voltages other
than the specified supply voltages as this
may result in fire or electric shock.
• Do not perform installation work with wet
hands as this may result in electric
shock.
• Do not disassemble or modify the unit
as this may result in injury or damage
the internal circuits.
• This device is a class 1 laser product
using a semiconductor laser with wave-
length of 790 nm that is outside the vis-
ible range. The maximum output of the
laser is 6 mW (class 3B).
• Although the laser beams emitted from
the head interior are invisible to the eye,
they are hazardous to the human body.
Therefore, never disassemble the scale
unit, or try to look into it from the sealed
section of the scale unit. Also, never in-
sert foreign objects into the sealed sec-
tion of the scale unit.
CLASS 1 LASER PRODUCT
LASERSCHUTZKLASSE 1 PRODUKT
TO EN 60825
(1)
(E)