Rockwell Automation 1797-PS1E FLEX Ex 85-253V AC In/Quad-Ex DC Out Power Supply - Manual (Page 10)

10 FLEX Ex 85…253V ac In/Quad-Ex dc Out Power Supply
Publication 1797-5.33 - April 2007
Customer Connections
Typical Wiring Configurations
Vin
Vout
Chassis GND
IS Isolation
Hazardous to IS
-V
+V
Out 1
-V
+V Out 2
-V
+V Out 3
41315
IS Limiters
Voltage and Current
-V
+V Out 4
ac
Type of Power Input IS Power Output
1
4
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.
41316
<8.5 W +V, -V
Other variations are possible depending
upon individual module power.
<8.5 W +V, -V
1797-PS1E
Hazardous
Incoming
Power
IS-safe
Output Power
Keep Wires Separate