ADLINK PCI-8124-C - Manual (Page 93)

Function Library 83
Visual Basic (Windows 2000/XP)
B_8124_set_latch (ByVal CardId As Integer, ByVal
Channel As Integer, ByVal Enable As Integer,
ByVal EdgeSel As Integer) As Integer
B_8124_get_latch_event_sts (ByVal CardId As
Integer, LatchEventInBit As Integer) As
Integer
B_8124_get_latch_value (ByVal CardId As Integer,
ByVal Channel As Integer, LatchValue As
Long) As Integer
@ Argument
I16 CardId : The PCI-8124-C card’s ID number.
I16 Channel : The channel’s number of Latch ( 0 – 3 )
I16 Enable : Enable the Latch function (0: Disable, 1: Enable)
I16 EdgeSel : Latching condition
 0: Photo couple: OFF

ON (Falling edge) clear
(default)
 1: Photo couple: ON

OFF (Rising edge) clear
I16 *LatchEventInBit : Latch event status in bit format (Read
clear)
 Bit0: Latch0 event status ( 1: Latched occurred , 0: No
Latched )
 Bit1: Latch1 event status ( 1: Latched occurred , 0: No
Latched )
 Bit2: Latch2 event status ( 1: Latched occurred , 0: No
Latched )
 Bit3: Latch3 event status ( 1: Latched occurred , 0: No
Latched )
I32 *LatchValue : The Latched counter value.