Jetter JM-105, User Manual, Page: 17 / 106

JetMove 105 1.4 Instructions on EMC
Jetter AG 17
Connect the motor cable. If applicable, an optional PE bus must be near
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. The shielding braid must
be connected on both ends of the cables.
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 digital servo amplifier JetMove 105 down to a
highly conducting, plane and earthed panel.
Keep signal and power lines physically separated . We recommend
spacings 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
interference suppressor filter, if the suppressor filter has not been placed
at the component directly.
Both ends of the cable must be shielded.
Unshielded wire ends of shielded cables should be as short as possible.
The entire shield must be drawn behind the isolation, and then be
clamped under an earthed strain relief with the greatest possible surface
area .
When male connectors are used:
The shield (impedance shielding) must , in its entire perimeter, be drawn
behind the shielding clamp of the metallized connector housing,
respectively of the EMC gland bushing, its greatest possible surface area
being clamped under the strain relief of the JetMove 105.
Only use metallized connectors, e.g. SUB-D with metallized housing.
Make sure that the strain relief is directly connected with the housing here
as well (see Fig. 1).