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problem in 7sd522 relay

5/27/2010 4:14 PM	Rate (0)
ahmadalawneh Posts: 1 Rating: (0)	firstly hi for all, because this is the first time using this forum, so i don't know where should i ask this question! during testing the relay 7sd522, i was sending data to relay, suddenly, dc switched off, then message appeared on the screen of relay " monitor mode" i tried to intialize the relay more than one time, the result "nothing" so please i want aney expert to help me with best solution to solve problem inside the site without sending the relay again to siemens factory. please reply fast.
ahmadalawneh Posts: 1 Rating: (0)
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5/29/2010 10:11 PM	Rate (0)
Hulzhex Gold Member Joined: 8/25/2005 Last visit: 5/30/2025 Posts: 1162 Rating: (111)	Hello ahmadalawneh, reading your posting I don't understand about which module you are talking. I found information about a module with the MLFB 6ES7134-7SD51-0AB0 but not ... 7SD522 Please give us more information. Best regards Sabine

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5/30/2010 6:23 AM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hello Sabine, He mean SIPROTEC 4 7SD522/523 Multiterminal Differential Relay for Two-Six My suggestion is to contact with Energy Customer Support. Best regards, Hristo Mihalev

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This contribution was helpful to 1 thankful Users Hulzhex

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