Need Growatt SPH Modbus RS485 RTU Protocol Home › Forums › Solar Power › Need Growatt SPH Modbus RS485 RTU Protocol Tagged: modbus, protocol, RS485 This topic has 1 reply, 2 voices, and was last updated 2 months ago by hugoboss00. Viewing 1 post (of 1 total) Author Posts 2025年12月7日 at am1:19 #14999 hugoboss00Participant I would need the Modbus Registers for the old SPH 3000 as well Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In