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3 Specifications
3 - 132
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
3-6
External Dynamic Brake Resistor
This section describes the specifications of the External Dynamic Brake Resistor.
For the external dimensions, refer to
2-4-7 Dimensions of External Dynamic Brake Resistors
3-6-1
General Specifications
Item
Model
R88A-DBR300
Dielectric strength
Between terminals and case: 2,000 VAC for 1 min (at 50/60 Hz)
Insulation resistance
Between terminals and case: 20 M
Ω
min. (at 500 VDC)
Operating ambient tempera-
ture and humidity
0 to 55°C, 90% max. (with no condensation)
Storage ambient temperature
and humidity
-25 to 85°C, 95% max. (with no condensation)
Operating and storage atmo-
sphere
No corrosive gases
Frequency of use
3 minutes or more per activation
Deceleration patterns
10,000 times at rated rotation speed and applicable load inertia
3-6-2
Characteristics
Applicable
Servo Drive
(R88D-1SN
-ECT)
External Regeneration Resistor
Wire size
Model
Resis-
tance
value
Heat
radiation
specifica-
tion
Heat
radiation
condition
Weight
55H, 75H
R88A-DBR30001R5
1.5
Ω
Natural cool-
ing
Aluminum
350 mm ×
350 mm
Thickness:
t3.0 mm
1.6 kg
AWG 16
(Rated tempera-
ture: 200°C)
Length: 500 mm
150H
R88A-DBR30001R2
1.2
Ω
55F, 75F
R88A-DBR30004
4
Ω
150F
R88A-DBR30005
5
Ω
Содержание R88D-1SN ECT Series
Страница 544: ...7 Applied Functions 7 52 AC Servomotors Servo Drives 1S series with Built in EtherCAT Communications User s Manual I586...
Страница 560: ...8 Safety Function 8 16 AC Servomotors Servo Drives 1S series with Built in EtherCAT Communications User s Manual I586...
Страница 700: ...10 Operation 10 10 AC Servomotors Servo Drives 1S series with Built in EtherCAT Communications User s Manual I586...
Страница 969: ...AC Servomotors Servo Drives 1S series with Built in EtherCAT Communications User s Manual I586 I 1 I Index...
Страница 972: ...I 4 AC Servomotors Servo Drives 1S series with Built in EtherCAT Communications User s Manual I586 Appendices...
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