Siemens SIMATIC IPC477D - Page 238

Technical information
8.5 Hardware descriptions
SIMATIC IPC477D, IPC477D PRO
238 Operating Instructions, 11/2016, A5E31347228-AF
Watchdog enable register / 066h select register (r/w address 062h)
Scaler watchdog time (Normal/Macro)
0 0 0 94 ms / 2 s (default)
0
0
1
210 ms / 4 s
0 1 0 340 ms / 6 s
0
1
1
460 ms / 8 s
1
0
0
590 ms / 16 s
1
0
1
710 ms / 32 s
1
1
0
840 ms / 48 s
1
1
1
960 ms / 64 s
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)