Chapter 2
2-17
Standard Models and Specifications
2-3 Servo Driver Specifications
■ SMARTSTEP A-series R7D-AP@ Servo Drivers
Select a Servo Driver to match the Servomotor to be used.
2-3-1 General Specifications
Note 1. The above items reflect individual evaluation testing. The results may differ under compound
conditions.
Note 2. Absolutely do not conduct a withstand voltage test with a Megger tester on the Servo Driver.
If such tests are conducted, internal elements may be damaged.
Note 3. Depending on the operating conditions, some Servo Driver parts will require maintenance.
Refer to 5-5 Periodic Maintenance for details.
Note 4. The service life of the Servo Driver is 50,000 hours at an average ambient temperature of
40
°C at 80% of the rated torque.
Item Specifications
Ambient operating temperature 0 to 55
°C
Ambient operating humidity 90% max. (with no condensation)
Ambient storage temperature –20 to 85
°C
Ambient storage humidity 90% max. (with no condensation)
Storage and operating atmo-
sphere
No corrosive gasses.
Vibration resistance 10 to 55 Hz in X, Y, and Z directions with 0.1-mm double amplitude; accel-
eration: 4.9 m/s
2
max.
Impact resistance
Acceleration 19.6 m/s
2
max., in X, Y, and Z directions, three times
Insulation resistance Between power line terminals and case: 0.5 M
Ω min. (at 500 V DC)
Dielectric strength Between power line terminals and case: 1,500 V AC for 1 min at 50/60 Hz
Between each control signal and case: 500 V AC for 1 min
Protective structure Built into panel (IP10).
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