Device Description XVC-100
Text Display PLC
XVC-100
Commissioning
Subject to technical modifications
Doc No. 92 23 100000 (06/2002)
© by Moeller GmbH
17
5.3 C
ONNECTING THE POWER SUPPLY
The XVC-100 device belongs to protection class 3. The system power
supply must be provided with a 24VDC
SELV
voltage (
"
Section 11).
The
power supply is not isolated. The 0V connection is directly connected to the
housing potential. The current supply is protected with a fuse (2A slow) (
"
Section 11).
A reverse polarity protective device is used to protect the
device in the event of reversed poles. Operation, however, is only possible
if the connection was made correctly.
Connections for the XVC-100 must comply with specific, local regulations.
The connection must be made as follows:
•
The cross-section of the power supply cable must be at least 0.75
mm² and a maximum of 2.5 mm².
•
A flexible lead or wire can be used for the connection.
•
The current consumption (
"
Section 11 must be taken into account
when implementing the power supply. The functional earth is not
compulsory for operation. The GND connection is directly connected
to the housing potential
The plug connector for the connection is supplied with the unit.
Connector assignment:
In the event of reverse polarity and if an additional 0 V
connection is implemented, e.g. GND connection of an
analog output, the fault current is fed via this 0V
connection. The XVC-100 or the external components
may be destroyed if the housing is not connected tightly
to the 0V potential!
The XVC-100 text display PLC has a two-stage
undervoltage monitoring system. If level 1 is undershot,
the backlight is switched off. If level 2 is undershot, the
PLC is switched off.
X 5 - Supply
2-pole, WAGO multi-connector system
MINI,
RM 3.5 mm, 734-132
Counterpart: WAGO 734-102
Pin No. Assignment Function
1
24VDC
+24V power supply
2
0V
0V power supply
24VDC
0V
2
1
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