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2.6
Power Supply Installation
2.6.1
Overview
Warning! Power down and disconnect the power cord before servicing or wiring
the modbus router.
Caution! Do not disconnect modules or cabling unless the power is first switched
off.
The device only supports the voltage outlined in the type plate. Do not
use any other power components except those specifically designated
for the modbus router device.
Caution! Disconnect the power cord before installation or cable wiring.
The modbus routers can be powered by using the same DC source used to power
other devices. A DC voltage range of 12 to 48 V
terminal and the V1- terminal (PW1), see the following illustrations. The chassis
ground screw terminal should be tied to the panel or chassis ground. A redundant
power configuration is supported by a secondary power supply unit to reduce
network downtime as a result of power loss.
EKI-122xR-CE Series support 12 to 48 V
allow you to connect a backup power source.
Single DC Power
P2 P1
Chassis
GND
(pane)
One DC Supply
Figure 2.9 Power Wiring for EKI-122xR-CE Series
must be applied between the V1+
DC
. Dual power inputs are supported and
DC
Redundant DC Power
P2 P1
Chassis
GND
(pane)
Dual DC Supplies
18
EKI-122xR-CE Series User Manual
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