Siemens SIMATIC IPC427C Instrucciones de operaciones Pagina 145

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Detailed descriptions
16.4 I/O Address Areas
SIMATIC IPC427C
Operating Instructions, 10/2010, A5E02414743-03
145
16.4 I/O Address Areas
16.4.1 Overview of the internal module registers
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 145)
Watchdog trigger register (Watchdog enable register bit 2=0) (Page 146) I/O 066h
CAN base address register (Watchdog enab
le register bit 2=1) (Page 146)
I/O 404Eh - 404Fh Output register LED 1/2 and SF LED / RUN/STOP LED (Page 147)
I/O 50Fh Battery status register (read-only) (Page 147)
16.4.2 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 066h is Watchdog trigger register
1 066h is CAN base address register
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
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