Posts made by Patrick

• 2 REC Active in Parallel batteries

  Finally finished my second battery build, although these are just minor capacity cells (20aH). Slightly different in that I have used the REC WiFi module instead of the Bluetooth Module. Lots to le...

  posted in REC Active BMS

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  Patrick
  5/23/21, 11:32 AM
• 2 REC Active in Parallel batteries

  Thanks Rick for your comments and commitment. I am currently building my second 20aH battery, its just minimally breadboarded now. I have the two batteries connected to a Cerbo and find some int...

  posted in REC Active BMS

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  Patrick
  5/7/21, 8:00 AM
• 2 REC Active in Parallel batteries

  Hello I am interested in this posting. I will trying to connect 4 LFP batteries in parallel using 4 REC BMS units. My plan so far is to use a Victron BMS-712 battery monitor and/or a Victron Cer...

  posted in REC Active BMS

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  Patrick
  5/6/21, 6:45 AM
• REC WiFi Module

  Is the new WiFi Module in stock yet and ready to ship?

  posted in REC Active BMS

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  Patrick
  4/4/21, 7:57 AM
• Needing help with the CAN bus

  Thanks Eboat, I am up and running with the REC configured on the Cerbo. Follow up question, have you set up a trigger on relay 1 or 2 to switch based on the BMS SOC?  I could see possibly fooling t...

  posted in REC Active BMS

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  Patrick
  4/4/21, 6:09 AM
• Needing help with the CAN bus

  additional pictures

  posted in REC Active BMS

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  Patrick
  4/2/21, 6:58 PM
• Needing help with the CAN bus

  Hello Eboat, Thanks for the reply. I will try this response once again. I did try as you suggested using the 250kb/s selection. I assume if it worked I would find the REC BMS on my device list? ...

  posted in REC Active BMS

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  Patrick
  4/2/21, 6:57 PM
• Help: cannot energize Contactor via BMS pin 4

  Listen to the boot up of the BMS. When I do I hear 2 separate clicks indicating the relays are functioning. If that is working, Using the wires from the main connector, Tie pin 5  (fused input to r...

  posted in REC Active BMS

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  Patrick
  4/2/21, 6:28 PM
• Needing help with the CAN bus

  Hello, I have recently integrated a Victron Cerbo device that provides a lot of usable information to the Victron products that I have connected to it. Can anyone discuss the steps I need to take t...

  posted in REC Active BMS

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  Patrick
  3/31/21, 6:55 AM
• Cutting BMS Wires

  Thanks Rick, Unfortunately because of the physical locations of the batteries on the boat, my charge/discharge cables are at different lengths. No way around that. They are 4/0 cables, which wil...

  posted in REC Active BMS

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  Patrick
  3/10/21, 9:02 AM
• Cutting BMS Wires

  Hello I am starting to build my diy battery drop in box. It is designed to drop into a 8D fiberglass battery compartment. I assume it’s ok to cut most wires to make the build a bit cleaner. I wi...

  posted in REC Active BMS

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  Patrick
  3/10/21, 6:04 AM
• Relay switching capacity of the REC BMS

  Hello Can you please tell me if the switching channel in the REC signal lines labeled DHC F & DHC NO can directly drive the Tyco EV200AAANA without blowing the BMS internal slow blow fuse? T...

  posted in REC Active BMS

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  Patrick
  3/4/21, 5:53 PM
• SOC Question

  Thanks for your reply. Yes I understand and think my small battery capacity can alter the effect of the algorithm as compared to what I will have on the boat. I do realize they measure SOC by two d...

  posted in REC Active BMS

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  Patrick
  3/4/21, 5:45 PM
• SOC Question

  Hello I am still learning about the 4S REC BMS. My question this time is related to the SOC. I question the accuracy of the process used to determine the SOC. For instance, I charge my small 20 ...

  posted in REC Active BMS

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  Patrick
  3/3/21, 7:03 AM
• Adding a pin to the main connector

  Thanks Blaine, very helpful information.

  posted in REC Active BMS

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  Patrick
  2/23/21, 8:08 AM
• Adding a pin to the main connector

  Thank you for the diagram, but I am looking to control the Blue Sea’s unit from the REC BMS. Can you help with that configuration?

  posted in REC Active BMS

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  Patrick
  2/22/21, 8:43 AM
• Adding a pin to the main connector

  Hello, I am interested in using the signal relay1 - user defined  normally closed (pin 1) of the main connector. What are the specs and pin type I would need? My request is from the need to draw...

  posted in REC Active BMS

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  Patrick
  2/21/21, 10:39 AM
• 4S REC BMS question

  Why would full scale for a 4S configured BMS be set at 34 volts?  Isn’t 4S by definition a BMS for 4 cells with a max voltage somewhere around 18 volts no matter the chemistry of the cells? This wo...

  posted in REC Active BMS

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  Patrick
  2/21/21, 10:31 AM
• REC software error on exit

  Thank you Tine. That was helpful. I opened the program as an admin and that must have changed  the windows restrictions permanently. I am just learning about the BMS and have multiple questions....

  posted in REC Active BMS

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  Patrick
  2/19/21, 1:52 PM
• My charging current is reading negative

  Thanks Rick, this is one of my questions that I did figure out as I found it in the online manual. My next question is how do I post a new question. I can’t seem to find that on the website.

  posted in REC Active BMS

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  Patrick
  2/14/21, 7:21 PM