Gx6315GetChannel

Returns whether the specified relay or relay driver at the specified board is open or closed.

Gx6315GetChannel (nHandle, nRelayType, nChannel, pnState, pnStatus)

Name	Type	Comments
nHandle	SHORT	Handle to a GX6315 board.
nRelayType	SHORT	Specifies the type of relay 0-1: 0 for the high current relay, 1 for the driver relay.
nChannel	SHORT	Specifies the relay number. Can be 1-45 for the high current relay, 1-9 for the driver relay.
pnState	LPSHORT	Returned relay state. Closed = 1 and Open = 0.
pnStatus	LPSHORT	Returned status: 0 on success, negative number on failure.

Use the Gx6315GetGroupChannels to retrieve the status of all channels of a group in one function call.

The following example return the status of relay 1:

Gx6315GetChannel(nHandle, 0, 1, &nClose, &nStatus);

if (nClose==1)

printf("Relay 1 is Close");

else

printf("Relay 1 is Open");