Returns the state of all relays of the specified group and row.
Gx6616GetRow (nHandle, nGroup, nRow, pnStates, pnStatus)
Name |
Type |
Comments |
nHandle |
SHORT |
Handle to a GX6616 board. |
nGroup |
SHORT |
Group number 0-5. Corresponds to groups A-F. |
nRow |
SHORT |
Row number 0 or 1. |
pnStates |
LPSHORT |
Returned state of the 16 relays in the row. Each bit corresponds to a relay in the selected row where a '1' corresponds to a closed relay and '0' to an open relay. The low order bit represents column 0 and the high order bit represents column 15. |
pnStatus |
LPSHORT |
Returned status: 0 on success, negative number on failure. |
Use the Gx6616GetChannel function to retrieve the state of a specific relay.
The following example checks whether relay at group C, row 0, column 3 and 4 are closed:
Gx6616GetRow(nHandle, 2, 0, &nStates, &nStatus);
if (nStates & 0xC)
printf("C0-3/4 relays are closed");
Gx6616Initialize, Gx6616GetErrorString, Gx6616GetChannel, Gx6616SetRow, Gx6616Close, Gx6616Open