
ON
POWER
OFF
115V
12625I
AC (120/220V) 16A Power Supply
7
Publication 17715.39 December 1995
3. Connect the other end of the power cable to the D-shell connector
on the I/O chassis and tighten the connector screws.
1771A1B, A2B, A3B1, A4B I/O chassis
1771A3B I/O chassis
1771-CP2
1771-CP3
12623I
12624I
The power supply operates on nominal120V ac or 220V ac
input source.
1. Make sure the power switch is set to OFF.
2. Use a 1/8” slotted screwdriver to set the input-voltage
selector switch.
!
ATTENTION: To avoid damaging the power
supply, do not place the screwdriver blade more
than 3/8” into the switch slot.
For an input voltage of
Set the voltage selector switch to
97 to 132V ac
115 position
115V
195 to 264V ac
230V
230 position
Connect ac Power Source
to the Power Supply