- App. 4 -

Install noise filters.

Install noise filters (specially designed for signal wires) for all cables (power, motor, encoder
and interface wires).

Grounding

(1) Connect between the servo amplifier's protective earth terminal and control box's
protective earth (ground plate) to prevent electric shocks.
(2) Multiple connections to a single protective earth terminal should be avoided. There
are two protective earth terminals.

Surge Absorber

Manufacturer's Product No.
R•A•V-781BXZ-4 Manufacturer
Okaya Electric Industries Co., Ltd.
Optional Part No.
DVOP1450
Circuit diagram
123
ø4.2 0.2
41 1
UL-1015 AWG16
28 1 5.5 1
11 128.5 1
4.5 0.5
200
+30
-
0
12
3
Conformance to EC Directives and UL Standards

Peripheral Devices Applicable to Amplifiers (EC Directives)

Surge Absorber

Install a surge absorber at the primary side of the noise filter.
<Notes>
When performing a voltage-resisting test, remove the surge absorber. Otherwise the ab-
sorber may be damaged.