Troubleshooting – Rockwell Automation 1771-P7 AC(120/220V) 16A Installation Instructions User Manual
Page 8
P/S
Active
12627ĆI
AC (120/220V) 16A Power Supply
8
Publication 1771Ć5.39 Ċ December 1995
3. Connect the ac power line to the terminal strip on the
power supply.
!
ATTENTION: You must connect a 14 AWG wire
from the GND terminal to the ground bus to provide
an adequate safety ground.
Line 1
Line 2 or
neutral
Ground
Bus
ac power connectors
Grounding electrode
conductor
ac power
(customer
supplied)
➀
A 3A 250V normalĆblow fuse protects the input line L1 from drawing more than 3 amperes.
14 AWG
L1
L2/N
GND
central ground bus (earth ground)
low side of the line power
high side of the line power
➀
Connect
12626ĆI
The power supply has a green P/S ACTIVE LED that provides status
indication during power supply operation.
Normal operation
If indicator is Then
on
off
it may be due to:
•
input voltage not within specified range
•
blown fuse
•
overcurrent
Important: If a shutdown condition occurs, wait 15 seconds before
attempting to apply power.
For additional assistance, contact your local Allen-Bradley
representative.
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