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3.2.2. Driver Unit Mounting
！ Caution: (1) Ambient temperature
！ Caution: When installing two or more Driver Units for multi-axis combinations,
l Maintain inside temperature of the enclosure into which the Driver Unit is installed between 0 to
50°C. If the Driver Unit frequently gives "Heat sink over temperature" alarm, provide a forced
cooling to the heat sink. (Refer to "10. Alarm" for more details.
l You may use a bracket to fix an ESB Driver Unit to the enclosure.
l When you use open collector for output signal format for position feedback signal phase Z,
change it before the Driver Unit is fixed. Refer to "2.14. Jumper Pin" for position of the jumper
pin.
Figure 3-3
Keep the ambient temperature of the Driver Unit between 0 to 50°C. You
cannot use the Driver Unit in an atmosphere over 50°C. Keep a clearance of 100
mm in upper and lower sides of the Driver Unit when it is installed in an
enclosure. If the heat is built up the upper side of the Driver Unit, provide
ventilation openings on the top of it or equip an air cool unit to take the heat out
of the Driver Unit. (Measures against contamination are required for the
ventilation openings.)
(2) Dust-proof • Waterproof
Put the Driver Unit in an enclosure of which protection code is IP54 or better.
Protect the Driver Unit from oil-mist, cutting oil, metallic chips and paint fume
etc. Otherwise it may result in failure of electric circuits of the Driver Unit
because of the contaminant through the openings of the Driver Unit.
• IP code is specified in IEC standard and classifies the protection level of
enclosures from solid contaminant and water.
Protection against external solid contaminant (5): Dust-proof
Protection against water (4): Must not be affected by water splash in any
provide a100 mm or more space between adjacent Driver Units.
100 mm or over
100 mm or over
— 3-3 —
3.2.2. Driver Unit Mounting
direction.
3.2. Installation
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