Nordson 3100V Series Customer Product Manual page 360

Series 3000V lnput/Output
Board
E 1-3
2.
lnpuUOutput
Connections
lf
you purchased
the l/O
board option
for your unit, the l/O board is
already
installed.
You
will need only to install ferrites and connect the
l/O
wiring.
A
ferrite is a device used to
reduce electrical noise.
WARNING:
Risk of equipment damage, personal injury or
death. Disconnect
and lock out
electrical power to the unit,
including inpuVoutput (l/O) lines.
1.
Turn
off
the unit; then disconnect and lock out electrical power to
the unit.
2.
Open
the electrical
enclosure.
Refer
to
Opening and Closing the
Electrical Enclosure in the Control section.
3.
lf
you have not already done so, carefully remove a plug from one of
the smaller knockout holes on either the back side or the bottom of
the unit (whichever is most convenient for your operation) and install
a
strain relief to support and protect the l/O wiring.
Avoid
contact with
any printed circuit boards.
WARNING:
Risk of equipment damage, personal injury or
death.
For a proper and safe installation, make sure you meet
the requirements
in
the following step.
4.
See Figure E
1-3.
Route the l/O wiring through the strain relief and
the two
ferrites from the ship-with kit to the l/O board terminal blocks.
Make sure
your installation meets these requirements:
o
Use
0.34-0.25
mmz 122-Z+ AWG) stranded wire that
is
suitable
for National Electrical Code (NEC) Class
1
remote control and
signaling
circuits. Output contacts are
rated tor 250 VAC, 2
A
maximum.
Use
the proper length of wire and route the wires so they do not
touch any of the printed circuit
boards.
Make sure the
wires reach
the l/O
board terminal blocks when the electrical enclosure is
opened.
a
a
Position the ferrites as close to the rear panel as possible
@
2000
Nordson Corporation
All
rights reserued
41-3000v
lssued 5/00
El
EN-02-[3V-rO]-3