Posts made by Martin

• Usage of Relays and or Optocouplers - 9M Master with 3 * REC2Q Slaves - drive 6 contactors through 6 REC Pre-Charge Unit

  Use of Relays and Opto-Couplers in Master-Slave configuration: Dear community. I have written my questions also to Tine at REC headquarters but he is out of office until at least 1st of June. So ...

  posted in REC Master Slave Large Scale Systems

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  Martin
  5/25/25, 12:47 PM
• REC Master9M with new REC2Q Slave Units - Cable from Master to 1st Slave: which cable colour goes where

  I do agree 100 % with @Peter Domenicali and think that the corrected sketch he uploaded is correct. Thank you Peter for putting so much effort in. Nevertheless I would wish that either Rick ...

  posted in REC BMS North America User Forum

  M

  Martin
  4/5/25, 7:28 AM
• REC Master9M with new REC2Q Slave Units - Cable from Master to 1st Slave: which cable colour goes where

  A few weeks ago I received 1 REC Master 9M and 3 of the new REC2Q Slave units for a 12V 3 parallel bank installation directly from REC in Slovenia. They also included the RS485 cable from the Mast...

  posted in REC BMS North America User Forum

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  Martin
  11/3/23, 12:18 PM