Operating instructions

MICRO PANEL XV-102 3.5" 5. Installation
M002869-02, 07/2009 25
5.3.3 Power supply
The device is provided with an internal fuse and is protected against polarity reversal. The GND terminal
is connected exclusively to the connector cover and not to the 0 V. The housing is made from plastic
and is isolated. The device power supply is not electrically isolated.
The device requires a 24 VDC power supply from an AC/DC converter with safe isolation (e.g. SELV).
For other power supply requirements see Chapter .
#
##
# SELV (safety extra low voltage):
Circuit in which no dangerous voltage is present, even in the event of a single fault.
Wiring
#
##
# Phoenix Contact MSTB 2.5/3-ST-5.08 connector, Phoenix order no. 1757022 is always supplied
with the device.
Tab. 5 Assignment of connector
#
##
# The following must be observed when the connector wiring is prepared:
Tab. 6 Preparing the wiring of the connector
Fig. 6 Power supply interface
Fig. 7 Phoenix Contact MSTB 2.5/3-ST-5.08 connector (view from the wiring side)
Connection Assignment
+24 VDC +24 VDC power supply
GND Functional ground connected with connector cover
(does not have to be connected)
0 V 0 V power supply
Preparing the wiring of the connector
Terminal type Pluggable screw terminal
Cross-section
#
##
# min. 0.75 mm
2
/ max. 2.5 mm
2
(lead or wire)
#
##
# min. AWG18 / max. AWG12
Stripping length 7 mm
GND 0 V+24 VDC