Technical specifications
8.6 Hardware descriptions
SIMATIC IPC427D
Operating Instructions, 05/2017, A5E31347215-AB
133
I/O Address Areas
8.6.4.1
Overview of the internal module registers
The following addresses are used for the internal registers:
Watchdog enable register / 066h select register (Page 133)
I/O 066h Watchdog
trigger register (watchdog enable register bit 2=0), watchdog trigger
register (watchdog enable register bit 2=1) (Page 134)
Output register LED 1/2/3 and SF LED / RUN/STOP LED (Page 135)
Battery status register (read-only) (Page 135)
CAN base address register (Page 134)
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)
1 1 0 840 ms / 48 s