Without the switch, the data logger must be powered off to initiate disconnect, which is named Rapid Shutdown. This results in 0 Volts DC to the Inverter.
disconnect the panel from the string wiring, and thus to the Inverter.
Any TS4 model capable of PV Module (solar panel) disconnect will 'shut down', i.e. When the switch is Closed, the CC/CCA will command Optimizers to disconnect the PV modules from their strings. It was previously named PV-Safe on the control panels of Maximizer Management Unit (MMU) and Cloud Connect (CC) models of data loggers.
Tigo Cloud Connect Advanced (CCA) and Cloud Connect data loggers can have a Normally Open switch connected to the AUX port, which when Closed initiates MLPE disconnect of panels from strings.
