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27 Feb 2014 Page 1 of 3 Document: MLFB Guide V1.docx HV Power Measurements & Pr

27 Feb 2014 Page 1 of 3 Document: MLFB Guide V1.docx HV Power Measurements & Protection Ltd P: +64-9- 377 2001 P O Box 26-074, Epsom, Auckland 1344 F: +64-9- 302 2142 Unit 4, 1 Porters Ave, Eden Terrace, Auckland 1024, E: sales@hvpowerautomation.com New Zealand SIPROTEC 4, MLFB upgrades SIPROTEC 4 MLFB upgrades are a method of being able to add additional functions to the relay after purchase. An executable upgrade file is purchased for the specific relay and the new features to be enabled. The MLFB upgrade can also be used to keep the electronic version of the MLFB, displayable in the front panel LCD, up to date with other physical changes made to the relay. Such physical changes may be jumper changes from 1 A to 5 A current input (or vice versa), changing SCADA interface type, or protection data interface card changes. We always recommend having the MLFB information in the relay updated to accurately reflect the device’s current configuration. On any SIPROTEC 4 relay, to find the MLFB via the front panel menu, use the front panel keys to select in order: 1. Main Menu 2. Settings (4) 3. Setup/Extras (10) 4. MLFB/Version (5) To order an MLFB upgrade you need the current MLFB and serial number. It is likely a firmware upgrade is in order too, so the existing firmware and hardware version should also be obtained. Given that MLFB’s form is reported slightly differently in different locations, here is a guide: When communication the MLFB we recommend you use the form as used for ordering (as found in the SIPROTEC catalogue), with the hardware version, firmware version and serial number provided. Using an example of a specific 7SD610 Line Diff Relay configuration here is how the MLFB is reported: Location Notes DIGSI 4.87 The MLFB is divided into indexed and coded segments. A 9 is used to denote additional codes are used for that segment. In the example, position 12 is a 9, so an M prefix is used for the extra code, in this case being “2A”. This code may be reported as 2A in some locations, +M2A in others or as part of the main MLFB, as shown in following examples. 27 Feb 2014 Page 2 of 3 Document: MLFB Guide V1.docx HV Power Measurements & Protection Ltd P: +64-9- 377 2001 P O Box 26-074, Epsom, Auckland 1344 F: +64-9- 302 2142 Unit 4, 1 Porters Ave, Eden Terrace, Auckland 1024, E: sales@hvpowerautomation.com New Zealand Location Format Notes Catalogue: 7SD6105-4BB39-0BN0-M2A Location Format Notes Rating label 7SD6105-4BB39-0BN0/DD M2A /DD indicates the hardware revision (processor type), and this is important to know to check compatibility with older/newer firmware The “M2A” section appears on a different line Location Format Notes LCD screen 7SD6105-4BB39- 0BN0-------2A------- Note the “M” does not appear. This relay has IEC 103 SCADA card, if it was fitted with “LOH” or similar card, the “L” extension would be missing in this screen Use the down arrow from this screen to show firmware version information etc. 27 Feb 2014 Page 3 of 3 Document: MLFB Guide V1.docx HV Power Measurements & Protection Ltd P: +64-9- 377 2001 P O Box 26-074, Epsom, Auckland 1344 F: +64-9- 302 2142 Unit 4, 1 Porters Ave, Eden Terrace, Auckland 1024, E: sales@hvpowerautomation.com New Zealand Location Format Notes Shipping box 7SD6105-4BB39-0BN0/DD M2A Hardware version is indicated within MLFB Location Format Notes Test certificate 7SD6105-4BB39-0BN0/DD M2A 7SD6105-4BB39-0BN0---2A--- MLFB is reported differently in heading and MLFB section uploads/Litterature/ mlfb-guide.pdf