Allen-Bradley 6177R-MM, User Manual

Page: 92 / 104

92 Rockwell Automation Publication 6177R-UM002E-EN-P - March 2017
Appendix A Install Accessories
Install I/O Card Retention
Bracket All 750R and 1450R computers have a factory-installed chassis cross member.
An I/O card retention bracket (catalog number 6189V-PCIBARMM for
750R computers and catalog number 6189V-PCIBARRM for 1450R
computers) provides extra support to seat I/O cards in applications where
shock and vibration are issues.
Follow these steps to install the I/O card retention bracket.
1. Follow the steps for Pre-configuration on page 36 .
2. Remove the computer cover as detailed in Remove the Cover on
page 38 .
3. Remove the factory-installed chassis cross member.
a. 750R computers: Remove the two screws that secure the chassis cross
member (A).
1450R computers: Remove the four screws that secure the chassis cross
member (A).
Save all screws to install the I/O card retention bracket.
b. 750R computers: Slide the chassis cross member to the right to
release the seating slots (B).
c. Detach the cross member from the chassis (C).
A
A
A
C
A
C
B
750R Computer 1450R Computer