Magnescale Digiruler PL20C series Instruction Manual page 25

Operating and Installation Precautions
Operating cautions
• Do not open the cover of this device or put your hand inside.
Otherwise the internal circuit may be broken by static
electricity.
• This device is not explosion-proof. Do not use it in the
atmosphere of flammable gas.
• This device is not vibration resistant. Do not use it in a place
where it is subject to shocks. (Excluding the head assembly)
• Do not allow two scales to contact or overlap each other.
When installing, keep a read head and a scale unit as far as
possible from a strong magnetic force. (It is adequate if the
magnetic force does not exceed about 30 × 10
• When using this system, it is recommended that the scale unit
be installed on the movable side and the head installed on the
stationary side.
• The interface unit is pre-adjusted, and so never disassemble it.
Accuracy can no longer be guaranteed if they are
disassembled.
PL20C
Installation
• Use the PL20C in the temperature range of 0 to 45 °C / 32 to
113 °F. Do not expose it to the sunlight or source of heat. A
well-ventilated place is preferable.
• Install the PL20C at least 0.5 m away from noise sources such
as large-power relays, high-voltage sources, large-current
switch, Inverter high electric power.
• Separately route the head cable unit from the power line.
• When the system is exposed to cutting chips, oil and coolant,
provide a cover. Some coolants may affect the functions of
product. Please provide necessary protections.
-4 T.)
III
(E)