2-40
Maker
Model
Max. limit
voltage
Surge
immunity
Type
Remarks
Okaya
El
i I d
R.A.V-781BYZ-2
783 V
1,000 A
Block
For power supply line
y
Electric Ind.
R.A.V-781BXZ-4
783 V
1,000 A
For power supply line
ground
Note
1. Refer to manufacturers documentation for operating details.
Note
2. The surge immunity is for a standard impulse current of 8/20
µ
s. If pulses are wide, either decrease the
current or change to a larger-capacity surge absorber.
D
Noise Filters
Use the following noise filters on the power supplies for the Servo Driver and brake. These filters are
manufactured by Okaya Electric Ind.
Application
Model
Rated
current
Test voltage
Insulation
resistance
Leakage
current
(
)
Attenuation
characteristic
(max.)
Normal
(MHz)
Common
(MHz)
200 V, 30 to 100 W
100 V, 30 or 50 W
Brake power supply
SUP-P5H-
EPR-4
5 A
Between
terminals:
1,250 V rms,
50/60 Hz, 60 s
Between
terminals and
case:
6,000 M
Ω
min.
0.6 mA
(at 250 V
rms 60 Hz)
0.5 to 30
0.2 to 30
200 V, 200 or 400 W
100 V, 100 W
SUP-P8H-
EPR-4
8 A
50/60 Hz, 60 s
Between
terminals and
6,000 M
Ω
min.
(at 500 VDC)
0.6 to 30
0.3 to 30
200 V, 750 W
100 V, 200 or 300W
SUP-P10H-
EPR-4
10 A
case:
2,000 V rms,
50/60 Hz, 60 s
0.7 to 30
0.4 to 30
The appearance of the noise filters is shown below. Screw terminals are used.
Two, 4.8 dia.
Five, M4
System Design and Installation
Chapter 2
