Shielded twisted-pair (STP) cable with a characteristic impedance of 120 ohms.
Connect the positive data line to the A (+) terminal, the negative line to the B (-) terminal, and the shield to the reference ground (GND) . climaveneta w3000 modbus
High pressure, low pressure, flow switch failure, or thermal overload. Step-by-Step Integration Guide flow switch failure
: A dedicated BMS serial card (often an RS485 interface) must be inserted into the designated "BMS Card" slot on the W3000 board. Physical Connection climaveneta w3000 modbus