3-3
3-1 Installation Conditions
3-1-1 Servo Drivers
H 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.
50 mm min.
30 mm min.
Fan Fan
Servo Driver
W = 10 mm min.
Side
panel
Servo Driver
Servo Driver
Air
Air
50 mm min.
H Mounting Direction
Mount the Servo Drivers in a direction (perpendicular) such that the lettering for the model number, and
so on, can be seen.
H 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 individ-
ual Servo Drivers themselves.)
• Ambient operating humidity: 20% to 90% (with no condensation)
• Atmosphere: No corrosive gases.
H 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 ambient
temperature to rise inside the entire closed space. Use a fan or a air conditioner to prevent the ambi-
ent temperature of the Servo Driver from exceeding 55°C.
• Unit 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.
System Design and Installation
Chapter 3
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