ADLINK EOS-1200 - Manual (Page 63)

Function Library 51
EOS-1200
I16 DO_ReadLine (U16 CardNumber, U16 Port, U16
Line, U16 *State)
Visual Basic
DO_ReadLine (ByVal CardNumber As Integer,
ByVal Port As Integer, ByVal Line As Integer,
State As Integer) As Integer
VB.Net
DO_ReadLine (ByVal CardNumber As Short, ByVal
Port As Short, ByVal Line As Short, ByRef State
As Short) As Short
C#
short DO_ReadLine (ushort CardNumber, U16 ush-
ort, ushort Line, out ushort State)
Parameter(s)
CardNumber
ID of the card for release.
Port
Digital input port number. Valid values: PCMe-1432 0, 1
Line
Digital line to be read. Valid values: PCMe-1432 0 to 15 (for
port 0 and port 1)
State
Returns the digital logic state, 0 or 1, of the specified line.
Return Code(s)
NoError
ErrorInvalidCardNumber
ErrorCardNotRegistered
ErrorFuncNotSupport
ErrorInvalidIoChannel