Emerson Rosemount 3410 Series Maintenance And Troubleshooting Manual page 77

Maintenance and Troubleshooting manual
00809-0200-3104
4. Grasp the outer ends of the module you want to replace and pull it out of the
5. Insert the new CPU Module or I/O Module into the enclosure and firmly push until
6. Replace the terminal blocks for the CPU Module and/or the Optional I/O Module
7. If you are not replacing other electronics, replace the end cap and security latches
Rosemount 3415, 3416 and 3417
Figure 3-23: CPU module Type 2 and Type 4
A. CPU Module Type 2 - side label
B. CPU Module Type 4 - side label
enclosure.
the board is fully seated into the Backplane Board connectors and the lock is
engaged.
and verify the tightness of the terminals with a 3 mm flat blade screw driver.
Important
If changing from Type 2 to Type 4 CPU, note wiring changes required for AO2 and
Group 2 Outputs.
(requires a 3 mm Allen wrench). If required, install the security seal wire into and
through one of the two holes in the end cap.
a) Choose holes that minimize counterclockwise through one of the two holes
in the end cap.
b) Choose holes that minimize counterclockwise rotation of the end cap when
the security wire is taut (maximum wire diameter 0.078 inch; 2.0 mm).
Meter repairs
April 2022
77