Manual

Replace Your QRC ModuleC–2
Publication 17716.5.99 - December 1995
!
ATTENTION:Remove power from the 1771 I/O
chassis backplane and wiring arm before you remove
your QRC module. Failure to remove power from the
backplane could cause:
•injury
•equipment damage due to unexpected operation
•degradation of performance
1
17643
wiring arm
remove
horizontal bar
Detach and remove wiring arm (1771WG) from
the horizontal bar at the bottom of the I/O chassis.
1771WG
1
2
Remove the QRC module from the I/O chassis.
1771A1B, A2B, A3B, A3B1, A4B I/O chassis 1771A1B, A2B, A3B1, A4B Series B I/O chassis
locking tab
card guides
QRC module
QRC module
19809
card guides
locking bar
locking bar pin
Pull on the QRC module to slide it out of the I/O chassis.
At power-up, the active and fault indicators are on. An initial
module self-check occurs. If there is no fault, the fault indicator
turns off. See page 6–1 for information on interpreting the
status indicators.
Remove Your QRC Module