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3. Installation
3.5 Preparing the device for operation
3.5.1 E lectrical connection
58
Before connecting the power supply
CAUTION
The voltage being applied must meet the requirements for safety
extra-low voltages (SELV) set forth in IEC/UL 61010-2-201.
Pay attention to the polarity („+" and „–")!
WARNING
The device should only be run with safety extra-low voltage (func-
tional extra-low voltage with protective separation).
The power transformer must conform to the relevant standards.
XP-504 devices feature an internal fuse and protection against polarity reversal for
the galvanically isolated power supply.
The PCs in the XP-504 series and terminals with Extender RX, as well as the XP-504-
EXT module, require a 24 V
isolation (SELV).
A galvanically isolated power supply is only found in Panel-PCs and Terminal with
Extender RX.
Power Supply
Rated operating voltage
Permissible voltage range
Fuse
Potential isolation
Electrical current Ie
Panel-PC Terminal
10.1" (25.65 cm) 1.6 A
15.6" (39.6 cm) 1.8 A
21.5" (54.6 cm) 2.0 A
Power consumption Extender TX module: max. 0.13 A, Box-PC: 1.3 A at 24V
XP-504 04/2022 MN048028EN Eaton.com
rated operating voltage from a power supply with safe
DC
+ 24 VDC SELV (safety extra low
voltage)
18-36 V DC (SELV)
12-32 V DC (SELV)
5, 12 or 24 V DC (SELV)
Yes
no
Yes
Terminal with Extender RX
0.3 A
0.5 A
0.4 A
0.6 A
0.7 A
0.9 A
Panel-PC,
Terminal with Extender RX
Box-PC, Terminal,
Extender TX
fuse not accessible
Box-PC, Terminal, Extender TX
Panel-PC, Terminal with Extender
RX
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