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LION I/O Modules
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Maintenance and Service
61
11
Maintenance and Service
The system and the single modules do not require a preventive maintenance.
If you have any further questions regarding the product or our repairing service,
please contact us:
Lütze Transportation GmbH
Bruckwiesenstraße17-19
71384 Weinstadt
Tel.: +49 (0) 7151 6053-545
Fax: +49 (0) 7171 6053-6545
[email protected]
11.1
Module Exchange
1. Identify the defect module or the module which has to be exchanged, with the
help of the diagnosis messages.
2. Switch off the power of the system.
3. Disconnect the interfaces.
4. Demount the module.
5. Mount the new module.
6. Connect the new module.
7. Switch on the power.
8. Test the module regarding any errors. After changing a SIL2 module a new
system test has to be completed.
11.1.1
MTTR (Mean Time To Restore)
All LION modules have a MTTR of 7 days. That means, if a malfunction or defect
module is detected, the module has to exchanged within 7 days. If exchanging
the module follow the steps of chapter
11.2
Proof Test Interval
SIL
relevant
LION-034
If a module has to be exchanged, the time limit of 10 minutes for the exchanging
must be timed accurately.
For the exchanging proceed as follow:
SIL
relevant
LION-057
The I/O modules have a proof test interval of 15 years.
After this time, the modules has to be sent to Lütze Transportation GmbH for a
function test. If the test is done, the module can be reused.