Rockwell Automation 1775-SRx PLC-3 FAMILY PROG CONTRL - Manual (Page 10)

2–2 Install Power Supply
Publication 1775Ć10.1 - March 1996
Selector Switch Selector Switch
230V
115V
230V
115V
Terminal Strip Terminal Strip
L1
N
115V AC
L1
L2/N
GND
N.C.
COM.
N.O.
L1
L2
230V AC
L1
L2/N
GND
N.C.
COM.
N.O.
115V ac operation 230V ac operation
20419ĆM
c
Set the voltage switch for the proper range.
!
ATTENTION:
Be sure to set the voltage selection switch
properly or you may damage the powerĆsupply module.
d
Connect the ac power line to the terminal strip on the powerĆsupply module
and connect any relay wires, then insert the PLCĆ3/10 module(s) into the
chassis and turn the ac power on.
e Close the front door of the chassis and rotate the two retaining
screws approximately 2Ć1/2 turns counterĆclockwise.
f
Indicator Normal Operation Means
AC ON
AC OK
DC OK
red
green
green
ac power is supplied to the unit
ac line voltage is equal to or greater
than the required minimum ac voltage
the supply's internal dc voltages
are in their proper operating range
Turn on dc power and make sure the indicators on the
powerĆsupply module are lit as follows:
If you don't see this, refer to chapter 8 for troubleshooting information.