Replace CPU Board
For Rosemount™ Gas Chromatographs
Quick Start Guide
7P00455H01, Rev B
December 2019
Safety messages
Observe all environmental and personal safety messages described in this document, warning labels on the analyzer, and your
company's operational safety requirements.
Rosemount 700XA Gas Chromatograph safety warnings
Observe these safety messages for the Rosemount 700XA Gas Chromatograph.
WARNING
EXPLOSION HAZARD
Failure to de-energize the analyzer may cause serious injury or death to personnel.
Do not open when energized or when an explosive atmosphere may be present.
Keep cover tight while circuits are live.
WARNING
EXPLOSION/FIRE HAZARD
Failure to observe this warning may cause serious injury or death to personnel.
Do not open when an explosive atmosphere may be present.
Do not open while energized.
Use supply cables or wires suitable for at least 176 °F (80 °C).
CAUTION
EQUIPMENT DAMAGE
If the GC is heated without carrier flow, damage to the columns may occur.
WARNING
Physical access
Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end users’ equipment. This could
be intentional or unintentional and needs to be protected against.
Physical security is an important part of any security program and fundamental to protecting your system. Restrict physical access
by unauthorized personnel to protect end users’ assets. This is true for all systems used within the facility.
2
Quick Start Guide Contents
7P00455H01 December 2019
Contents
Chapter 1 Replace CPU board......................................................................................................... 5
CPU Board iii
Contents Quick Start Guide
December 2019 7P00455H01
iv Emerson.com/Rosemount
Quick Start Guide Replace CPU board
7P00455H01 December 2019
1 Replace CPU board
Use this procedure to replace the CPU board in your Rosemount 700XA gas
chromatograph and upgrade the firmware. The new CPU may have newer firmware than
your old CPU.
Procedure
1. Download the latest version of MON2020 and the latest firmware for your GC at
https://www.emerson.com/en-us/automation/measurement-instrumentation/gasanalysis/gc-software-firmware-downloads.
Note where you saved the firmware for Step 15.
2. Log into the GC with the old CPU and save the GC configuration file. In MON2020,
go to File → Save Configuration.
If you can no longer log into the old CPU, you may use an older saved application or
the factory application.
3. Power down the GC.
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December 2019 7P00455H01
4. Remove the GC's front cover.
Figure 1-1: Removing Front Cover
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Quick Start Guide Replace CPU board
7P00455H01 December 2019
5. Remove the local operator interface (LOI).
Figure 1-2: Local Operator Interface (LOI)
6. Remove the clear plastic cover that holds the boards in place.
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7. Remove the CPU board.
Figure 1-3: Boards
A. CPU board
8 Emerson.com/Rosemount
Quick Start Guide Replace CPU board
7P00455H01 December 2019
8. On the new CPU board, set the switches as shown in Figure 1-4.
Figure 1-4: CPU Switch Settings
A. Turn SW3 OFF (away from the dot).
B. Turn SW4 OFF (away from the dot).
C. Turn SW6 OFF (away from the dot).
D. Turn SW7 ON (towards the dot).
9. Install the new CPU board back in the card cage.
Ensure the new board is seated firmly in place.
10. Place the clear plastic cover back over the boards.
11. Replace the LOI.
12. Close the GC cover.
13. Power up the GC and connect to it through MON2020.
14. In MON2020, go to Chromatograph → View/Set Date Time. Set the date and time.
15. In MON2020, go to Tools → Upgrade Firmware to upgrade the firmware.
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16. In MON2020, go to Tools → Cold Boot. Cold boot the GC.
The GC will reboot automatically and disconnect from MON2020.
17. After the GC has finished rebooting, reconnect to the GC using MON2020.
18. In MON2020, go to File → Restore Configuration to restore configuration to the
GC.
Use the configuration file you saved in Step 2 or use the last known good
configuration.
19. Wait for the heaters to stabilize, and then select Control → Auto Sequence.
20. Validate the GC.
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Quick Start Guide
7P00455H01 December 2019
CPU Board 11
7P00455H01
Rev. B
2019
AMERICAS
Emerson Automation Solutions
10241 West Little York, Suite 200
Houston, TX 77040 USA
Toll Free 866 422 3683
+1 713 396 8880 (North America)
+1 713 396 8759 (Latin America)
+1 713 466 8175
gc.csc@emerson.com
MIDDLE EAST AND AFRICA
Emerson
Emerson FZE
Jebel Ali Free Zone
Dubai, United Arab Emirates, P.O. Box 17033
+971 4 811 8100
+971 4 886 5465
gc.csc@emerson.com
Linkedin.com/company/Emerson-Automation-Solutions
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Facebook.com/Rosemount
youtube.com/RosemountMeasurement
EUROPE
Emerson
Neuhofstrasse 19a PO Box 1046
CH-6340 Baar
Switzerland
+41 (0) 41 768 6111
+41 (0) 41 768 6300
gc.csc@emerson.com
ASIA-PACIFIC
Emerson
1 Pandan Crescent
Singapore 128461
Republic of Singapore
+65 6 777 8211
+65 6 777 0947
gc.csc@emerson.com
©
2019 Emerson. All rights reserved.
The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a
mark of one of the Emerson family of companies. All other marks are the property of their
respective owners.
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