Gx6138Open

Opens the specified relay.

Gx6138Open (nHandle, nChannel, pnStatus)

Name	Type	Comments
nHandle	SHORT	Handle to a GX6138 board.
nChannel	SHORT	Specifies the relay number. Can be 1 to 38.
pnStatus	LPSHORT	Returned status: 0 on success, negative number on failure.

The Gx6138GetChannel function can be used to retrieve the current channel state.

The following example opens relay 1 and relay 22:

Gx6138Open (nHandle, 1, &nStatus);

Gx6138Open (nHandle, 22, &nStatus);