Technical specifications
8.5 Hardware description
SIMATIC IPC277E
122 Operating Instructions, 11/2019, A5E35783335-AE
8.5.4 Input/output address areas
8.5.4.1 Overview of the internal module registers
The following addresses are used for the internal registers:
Watchdog enable register / 066h select register (Page 122)
Watchdog trigger register (read only, address 066h) (Page 123)
Battery status register (read-only) (Page 123)
8.5.4.2 Watchdog enable register / 066h select register (read/write, address 062h)
Meaning of the bits
Watchdog enable register / 066h select register (r/w address 062h)
Watchdog enable bit (WDE)
Watchdog circuit disabled
066h select register selection
Scaler watchdog time (Normal/Macro)