Rockwell Automation 1797-PS2E2 FLEX Ex Power Supply - Manual (Page 10)

10 FLEX Ex Power Supply
Publication 1797-5.8 - June 2010
Customer Connections
Typical Wiring Configurations
Vin1
Vin2
Chassis GND
IS Isolation
Hazardous to IS
-V
+V
Out 1
-V
+V
Out 2
-V
+V
Out 3
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Dual Input
Diodes
IS Limiters
Voltage and Current
-V
+V
Out 4
+
-
+
-
dc
Type of Power Input
IS Power Output
Daisy-chaining
+V, -V
You can use the daisy chain configuration if the
total module power draw is < 8.5 W. Otherwise,
power is connected to individual modules.
Combination
Wiring when total module current
power is greater than 8.5 W.
<8.5 W +V, -V
Other variations are possible depending
upon individual module power.
<8.5 W +V, -V
1797-PS2E2
Hazardous
Incoming
Power
IS-safe
Output Power
Keep Wires Separate
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