1 Safety instructions
20 Jetter AG
1.4 Instructions on EMC
The digital servo amplifier JetMove D203 is intended for use in industrial environ-
ment. It may cause radio interferences when used in residential areas. It is operated
at the operator's own risk.
The noise immunity of a system is determined by the weakest component of the sys-
tem. For this reason, correct wiring and shielding of cables is of paramount impor-
tance.
NOTICE
Measures for increasing immunity to interference:
Earth the device adequately according to Chapter 1.2.3 "Earthing Proce-
dure", page 15.
Be sure to connect all protective earth terminals of the JetMove D203.
Double earthing is necessary!
– Connect the PE bolt located on the enclosure.
– Connect the protective earth (PE) conductor to terminal X1.
See Abb. 1 on Seite 16
Connect the motor cable. An optional line filter must be installed close to
the servo amplifier. Shield cables on both ends.
If a motor power cable is used which includes cores for brake control, the
brake control cores must be separately shielded. Ground the shielding
braid on both ends.
Keep the distance between optional mains filters and the JetMove D203 as
short as possible.
Follow the instructions given in Application Note 016 "EMC-Compatible
Installation of the Electric Cabinet" published by Jetter AG.
The following instructions are excerpts from Application Note 016:
Screw the enclosure of the JetMove D203 down to a highly conductive,
plane and earthed panel.
On principle, physical separation should be maintained between signal
and power lines. We recommend spacing greater than 20 cm. Cables and
lines should cross each other at an angle of 90¬×.
Shielded cables must be used for the following lines:
Analog lines, data lines, motor cables coming from inverter drives (servo
output stage, frequency converter), lines between components and inter-
ference suppressor filter, if the suppressor filter has not been placed at the
component directly.
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