Install the module and field wiring arm – Rockwell Automation 1771-OBDS DC(10-40V)Current Limiting Input Module Installation Instructions User Manual
Page 6

DC (10-40V) Current Limiting Output Module
6
Publication 1771ĆIN033B-EN-P - July 2002
!
WARNING
When you insert or remove the module while
backplane power is on, or you connect or
disconnect the wiring arm with field power
applied, an electrical arc can occur. This could
cause an explosion in hazardous location
installations. Be sure power is removed or the area
is nonhazardous before proceeding.
!
ATTENTION
Remove power from the 1771 I/O chassis
backplane and field wiring arm before removing
or installing an I/O module.
•
Failure to remove power from the backplane or
wiring arm could cause module damage, degra-
dation of performance, or injury.
•
Failure to remove power from the backplane
could cause injury or equipment damage due to
possible unexpected operation.
Swing the chassis locking bar down into place to secure
the modules. Make sure the locking pins engage.
1771ĆA1B, ĆA2B, ĆA3B, ĆA3B1, ĆA4B I/O chassis
1771ĆA1B, ĆA2B, ĆA3B1, ĆA4B Series B I/O chassis
locking tab
card guides
module
module
19809
card guides
locking bar
locking bar pin
Snap the chassis latch over
the top of the module to secure it.
17643
wiring arm
install
remove
horizontal bar
Attach the wiring arm (1771ĆWH) to the horizontal
bar at the bottom of the I/O chassis.
The wiring arm pivots upward and connects with
the module so you can install or remove the
module without disconnecting the wires.
1771ĆWH
The 1771–OBDS module is a modular component of the 1771 I/O
system requiring a properly installed system chassis. Refer to
publication 1771–IN075 for detailed information on acceptable
chassis, proper installation and grounding requirements. Limit the
maximum adjacent slot power dissipation to 10W maximum.
Install the Module and Field
Wiring Arm