ABB S800 I/O User Manual page 53

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Replace faulty or suspect communication modules in the following way:
1. Read
2. Special restrictions apply to each module type. See descriptions in
for useful information on individual module types.
3. Check that the new module can replace the old for CI810 and CI820 also check
the software version. If the wrong software version is found, then load new
software; see
4. Disconnect the power supply/supplies from the module (both CI820s if
TB815).
5. Disconnect the Advant Fieldbus 100 and ModuleBus cables from the module.
6. Extract the module.
7. Set the current Station address or Cluster address on the new module
8. Insert the new module carefully.
9. Connect the Advant Fieldbus 100 and ModuleBus cables to the module.
10. Connect the power supply/supplies to the module.
11. Store extracted modules in protective envelopes.
12. Modules are initialized automatically by the system and it will takes
approximately 60 seconds for a CI810/CI820 to start up.
3BSE 020 925R101
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Section 5.4, Backup/Restore Procedures
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Table 5-3
49