Chapter 3
3-3
System Design and Installation
3-1 Installation Conditions
3-1-1 Servo Drivers
■ Space around Drivers
• Install Servo Drivers according to the dimensions shown in the following illustration to ensure
proper heat dispersion and convection inside the panel. Also install a fan for circulation if Servo
Drivers are installed side by side to prevent uneven temperatures from developing inside the panel.
• Take the control cable’s connector direction into account when installing the Servo Drivers.
■ Mounting Direction
Mount the Servo Drivers in a direction (perpendicular) such that the lettering for the model number,
and so on, can be seen.
■ Operating Environment
The environment in which Servo Drivers are operated must meet the following conditions.
• Ambient operating temperature: 0 to 55
°C (Take into account temperature rises in the individual
Servo Drivers themselves.)
• Ambient operating humidity: 90% max. (with no condensation)
• Atmosphere: No corrosive gases.
■ Ambient Temperature
• Servo Drivers should be operated in environments in which there is minimal temperature rise to
maintain a high level of reliability.
• Temperature rise in any Unit installed in a closed space, such as a control box, will cause the Servo
Driver’s ambient temperature to rise. Use a fan or air conditioner to prevent the Servo Driver’s ambi-
ent temperature from exceeding 55
°C.
• Servo Driver surface temperatures may rise to as much as 30
°C above the ambient temperature.
Use heat-resistant materials for wiring, and keep separate any devices or wiring that are sensitive
to heat.
50 mm min.
30 mm min.
Fan
Fan
W = 10 mm min.
Side
panel
Servo Driver
Air
Air
50 mm min.
W W
Servo Driver
Servo Driver
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