REC- BMS DB9 signal waveforms / +5v (pin 6) GND (pin 2) / random system shutdown w/ reboot

• S

  Scott

  6/10/23, 10:19 AM

  Good Day,

  This implementation of RS485 appears to be unique in that +VCC / GND is required. Furthermore, when measuring +VCC 5v (pin6) to GND (pin 2) with a DMM this voltage is not as I expected, it is fluctuating. It appears to modulate between TTL HI and TTL Low.

  I would expect this to be a static value.

  Please further define the REC RS485 implementation as I am experiencing a unique issue with a large Master-Slave (5) install.

  With Gratitude

   

   

   

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