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WATCHDOG SECTION 5

Page 5-1

INTRODUCTION

WATCHDOG SECTION 5

The CX-10 watchdog timer may be used to reset the

CPU should modbus communication or program

execution stop. Watchdog timers are used primarily in

Basic programs.

Initially, a timeout value is set in register 30. Then the

program periodically writes a 0 to register 31.

When its value equals that in register 30, the CPU will

reset. When the CPU resets, all relays are turned off and

all volatile integers and floats are erased.

30 Watchdog timeout value.

0 = disable watchdog

1-255 = Timeout seconds.

31 Watchdog timer value. This register

increments every second until it

matches the value in Register 30 or

until a 0 is written to this register.

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Remote-processing CX-10 Manuale Utente Pagina 25