beautypg.com

Check power requirements, Remove your qrd module, Check power requirements remove your qrd module – Rockwell Automation 1771-CFM,D17716.5.99 CONFIGURABLE FLOWMET User Manual

Page 76

background image

Replace Your QRD Module

D–2

Publication 1771Ć6.5.99 - 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 (1771ĆWG) from

the horizontal bar at the bottom of the I/O chassis.

1771ĆWG

1

2

Remove the QRC module from the I/O chassis.

1771ĆA1B, ĆA2B, ĆA3B, ĆA3B1, ĆA4B I/O chassis

1771ĆA1B, ĆA2B, ĆA3B1, ĆA4B 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