Nordson 3100V Series Customer Product Manual page 366

Series 3000V lnput/Output
Board
E 1-9
4.
l/O Board Replacement
Use
this procedure to replace a defective l/O board with a new l/O board
WARNING:
Risk of equipment
damage, personal
injury or
death. Disconnect and
lock out
electrical power to the unit,
including inpuVoutput (liO)
lines.
1.
Turn off
the unit; then disconnect and lock out electrical power to the
unit, including l/O lines.
2.
Open the electrical
enclosure.
Refer
to
Opening and Closing the
Electrical Enclosure in lhe
Control section.
3.
Remove the screw that holds the board to
its bracket inside the
electrical enclosure.
NOTE: A new bracket
is
included
in the
service
kit.
lf desired, you
can replace the existing bracket with this new bracket.
4.
Label or note existing connections for later reference, then disconnect
wires from the board and pull the board out of the XP5 card edge
connector.
5.
Remove the new board from its static-safe container, making sure to
handle the board by its edges without touching pins, wires, or
circuitry.
6.
Carefully
installthe new
board in the XPS
card edge connector and
attach the board to the bracket with the screw provided
in
the seruice
kit.
Tighten the screw to
2.03-2.26 N.m (18-20
in.-lb).
7.
Reconnect wires to
the new l/O board.
Refer to Table E
1-1
(standard l/O boards)
orTable
E 1-2
(enhanced l/O boards)
in
I
n
put/O
utp
ut
Co
n
necti ons
f
or termi nal
con
nections.
8.
Close and
secure the electrical enclosure.
Refer
to
Opening and
Closi
ng the Electrical
Enclosu
re in lhe
Control section.
9.
Restore power to
the unit and resume normal operation.
@ 2000 Nordson
Corporation
All
rights reseryed
41
-3000y
lssued 5/00
El
EN-02-[3V-1Ol-3