Enclosure; Power Supply - Arlacon MC300 User Manual

ARLACON MC300
Control system
User's manual
Product code 1003418
Machine with
motors, sensors and
actuators
PE
Fig. 2.6.3.2, Recommended ground arrangement with PE - TE

2.6.4 Enclosure

Install the equipment in a metal housing or equivalent. When installing a flush mount control
unit, make sure that all fastening screws make good electrical contact with the door or panel
where the unit is mounted.
System wiring external to the enclosure must be routed in metal conduit or equivalent shielded
cables must be used. For best results, use cables with double screen and connect the outer
shield to the enclosure at entry and the inner shields to TE near equipment.
Use ferrite rings with suitable permittivity, such as supplied by manufacturer, for external
signal cables with shields wired to TE to reduce common mode interference and load to TE.

2.6.5 Power supply

Use a 24V power supply delivered by your ARLACON distributor. To comply with EN50081-2
requirements use a twisted pair of wire to feed the control unit and install the ferrite ring
supplied with the unit according to fig. 2.6.5.1
Other control equipment
such as drives
and distributed I/O
MOTOR
I/O
DRIVE
PE TE
TE
earth at building
ground potential
PE common
ground point
Control system NOTE
cabinet with Signal and power
ARLACON MC connections
and other equipment not shown
power 24V
supply
TE PE
MC300MAE
21
Programming
equipment