Siemens SIMATIC IPC BX-39A - Page 103

Hardware description
A.5 System resources
SIMATIC IPC BX-39A
Operating Instructions, 07/2022, A5E50715883-AA
103
Meaning of the bits
WDT control register (read/write, address 285h)
Bits
Meaning of the bits
7
6
5
4
3
2
1
0
x
Reserved
x
Reserved
x
Reserved
0
WDT count mode: in seconds
1
WDT count mode: in minutes
x
Reserved
x
Reserved
x
Reserved
x
Reserved
WDT counter register (read/write, address 286h)
Bits
Meaning of the bits
7
6
5
4
3
2
1
0
00h-FFh
Countdown time
WDT status register (read/write, address 287h)
Bits
Meaning of the bits
7
6
5
4
3
2
1
0
x
Reserved
x
Reserved
x
Reserved
x
Reserved
0
WDT status: Active
1
WDT status: Expired
x
Reserved
x
Reserved
x
Reserved