Manual

Replace Your QRD ModuleD–2
Publication 17716.5.99 - December 1995
!
ATTENTION: The maximum current drawn by the
CFM(QRD) module is 1.0A. This current (1.0A) is
0.5A greater than the maximum current drawn by your
QRD module (0.5A).
Consider the power usage of all modules in the I/O
chassis to prevent overloading either the chassis
backplane or power supply.
!
ATTENTION: Remove power from the 1771 I/O
chassis backplane and wiring arm before you remove
your QRD module. Failure to remove power from the
backplane could cause:
• injury
• equipment damage due to unexpected operation
• degradation of performance
1
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.
Check Power
Requirements
Remove Your QRD Module