Sensoray 526 Manual do Utilizador descarregar pdf (Página 12)

Watchdog enable/disable

Watchdog enable/disable is controlled by bit [3] of the Watchdog Timer Control register and

jumper 1 of J4.

Shunt in position 1 of J4 Bit [3] of Control Register Watchdog timer

Not installed 0 Disabled

Not installed 1 Enabled

Installed 0 Enabled

Installed 1 Disabled

Bit [3] is always 0 after power up, so if the watchdog timer has to be enabled by default, the

shunt has to be installed.

Solid-sate relay control

The polarity of the watchdog timer output signal (CONTROL on Fig.3) is controlled by bit [4] of

the Watchdog Timer Control register and jumper 2 of J4. When CONTROL is not active, each

solid-state relay is in its default (normal) state. When CONTROL becomes active, the solid-state

relays change their states.

Solid-state relay control

Shunt in position 2 of J4 Bit [4] of Control

Timed out Not timed out

Not installed 0 Active Not active

Not installed 1 Not active Active

Installed 0 Not active Active

Installed 1 Active Not active

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Sensoray 526 Manual do Utilizador Página 12