Closes the specified relay.
Gx6138Close (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.
|
Caution - When closing a relay, verify that all other relays on the same circuit that may cause a short are disconnected (a delay may be required between switching commands). Low Impedance sources such as power supplies may cause irreversible damage to this product when shorted to other signals. |
The following example closes relay 1 and relay 22:
Gx6138Close (nHandle, 1, &nStatus);
Gx6138Close (nHandle, 22, &nStatus);
Gx6138Initialize, Gx6138Open, Gx6138SetGroupChannels, Gx6138GetChannel
