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:
Addresses
Input/output unit
I/O 062h
Watchdog enable register / 066h select register (Page 122)
I/O 066h
Watchdog trigger register (read only, address 066h) (Page 123)
I/O 404Dh
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)
Bit
Meaning of the bits
7 6 5 4 3 2 1 0
Watchdog enable bit (WDE)
0 Watchdog circuit disabled
1 Watchdog circuit enabled
Watchdog Mode
0
Standard
1
Macro
066h select register selection
0
Reserved
1
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
Содержание SIMATIC IPC277E
Страница 22: ...Overview 1 3 Accessories SIMATIC IPC277E 22 Operating Instructions 11 2019 A5E35783335 AE ...
Страница 136: ...Technical specifications 8 6 BIOS description SIMATIC IPC277E 136 Operating Instructions 11 2019 A5E35783335 AE ...
Страница 158: ...Index SIMATIC IPC277E 158 Operating Instructions 11 2019 A5E35783335 AE ...