Rainbow-electronics GM862-QUAD-PY Manuel d'utilisateur télécharger pdf (Page 18)

GM862-QUAD / PY Hardware User Guide

1vv0300748 Rev. 5 - 20/09/07

5.2 Turning OFF the GM862-QUAD / PY

The turning off of the device can be done in two ways:

• by software command (see GM862-QUAD / PY Software User Guide)

• by hardware shutdown

• by hardware unconditional shutdown

When the device is shut down by software command or by hardware shutdown, it issues to the

network a detach request that informs the network that the device will not be reachable any more.

The hardware unconditional shutdown does not issue this request and shuts down immediately the

device.

5.2.1 Hardware Shutdown

To turn OFF the GM862-QUAD / PY the pin ON# must be tied low for at least 1 second and then

released.

The same circuitry and timing for the power on shall be used.

The device shuts down after the release of the ON# pin.

TIP: To check if the device has powered off, the hardware line PWRMON should be monitored. When PWRMON goes

low, the device has powered off.

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Rainbow-electronics GM862-QUAD-PY Manuel d'utilisateur Page 18