Siemens SIMATIC IPC427E - Page 121

Technical specifications
8.6 Hardware descriptions
SIMATIC IPC427E
Operating Instructions, 09/2017, A5E37454814-AB
121
Watchdog enable register / 066h select register (r/w address 062h)
Trigger red Watchdog LED
0 Red LED (WD) off
1
Red LED (WD) on
Watchdog error / Display and reset
0
WD inactive
1 WD triggered
Reset LED after watchdog alarm
(Bit 7 = write 1)