Hazardous area, Safe area, Flex ex power supply 5 publication – Rockwell Automation 1797-PS2E2 FLEX Ex Power Supply User Manual
Page 5
FLEX Ex Power Supply 5
Publication
1797-5.8 - June 2010
The total number of power supplies needed depends on the modules used
and the total system configuration. The following illustration shows how this
example may be configured.
IMPORTANT
Even though modules may be supplied with power from the same
power-supply output channel, galvanic isolation in the module
provides module-to-module galvanic isolation. Depending upon
the module-type, galvanic isolation (channel-to-channel within the
module) may or may not be provided. See the module’s
specifications for more information.
IS Pwr
Safe Area
Hazardous Area
1797 power supply
1797 power supply
1797 power supply
ACNR Spare
IE8
OE8
IRT8
Spare
Spare
IJ2
IJ2
ACNR
OB4
OB4D
IBN16
IBN16
IBN16
IE8
IRT8
OE8
RPA
RPFM
RPFM
IS 1797 I/O
IS 1797 I/O
IS 1797 Fiber Hub
IS Pwr
IS Pwr
IS Pwr
IS Pwr
IS Pwr
IS Pwr
IS Pwr
IS Pwr
IS Pwr
IS Pwr
IS Pwr
Ex d/e
Ex ib
Ex d/e
Ex ib
Ex d/e
Ex ib
41306
Unsafe
Power
Entrance
Spare
Unsafe
Power
Entrance
Unsafe
Power
Entrance
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