Recent content by millst

  1. M

    Jandy Pump Protocol

    no not talking about Aqualink, I want to directly control the motor. I can talk to the motor ok and read messages fine, what I'm struggling with is the checksum for the Jandy protocol. Everything I read says it should be a sum of the first 6 bits. But in the example messages (that work with the...
  2. M

    Jandy Pump Protocol

    Hello I have a zodiac pump which uses the Jandy rs485 protocol. I want to throw away the controller and control the VSP pump directly from a home automation system and read back the RPM and power. There are heaps of old threads on this topic refering to the Jandy pump protocol which someone...