Keep-alive signal
A keep-alive signal is a recurring signal that tells connected devices normal operation is allowed; if the signal disappears, devices can switch to a safe state.
Product(s)
RSS Transmitter
Enables rapid shutdown with Tigo's TS4 F and 2F products. Available with Pure Signal technology.
TS4-A-F
Dedicated rapid shutdown device for 1 solar module up to 725W
TS4-X-F
Enhance safety and meet code requirements with rapid shutdown
What does Keep-alive signal mean?
A keep-alive signal is a recurring signal that tells connected devices normal operation is allowed; if the signal disappears, devices can switch to a safe state.
Why does Keep-alive signal matter in a solar project?
This term helps explain how a PV system is designed, installed, monitored, or operated. A clear definition keeps owners, installers, and inspectors speaking the same solar dialect.