![Communication watchdog](/images/new-backgrounds/54756/54756249x1.webp)
Communication watchdog
Figure 62. Watchdog communication relationship between a system MP581 and the central FSCP control MP581
Figure 63. Sample TGP showing transmitting during watchdog communication process]
Figure 64. Sample TGP showing watchdog signal receive process
There are three communication signals used in the smoke control system: BCU to MP581, MP581 to MP581, and MP581 to
113 |