PCI-1202/1602/180x Series Card
Multi-Function Boards
User Manual/ Ver. 4.8/ Mar. 2015/ PMH-0014-48/ Page: 71
The
B13 must set to 1
to set the external trigger logic.
The external trigger controller commands are given as follows:
Trigger
Command sequences
[B12, B11, B10 ]
Descriptions
Disable external trigger
(for PEX-1202 and
PCI-1800/1202/1602)
[ 1, 0, X]
Disable all external trigger.
Post-trigger
(for PEX-1202 and
PCI-1202/1602/180x)
[ 1, 0, X]
[ 1, 0, X ]
[ 1, 1, 1 ]
[ 1, 0, X]
(1)
disable all external trigger
(2)
set pacer time-1
(3)
clear FIFO and disable timer-1
(4)
waiting for external signal to enable timer-1
(5)
fetch N data
(6)
stop all timer and disable all external trigger
Pre-trigger
(for PEX-1202 and
PCI-1202/1602/180x/
ver-F)
[ 1, 0, X ]
[ 0, 1, X ]
[ 1, 1, 0 ]
[ 1, 0, X]
(1)
disable all external trigger
(2)
set pacer timer-1
(3)
clear FIFO and enable timer-1
(4)
waiting for the external signal to stop timer-1.
(5)
circular-fetch the last N data
(6)
stop all timer and disable all trigger
Middle-trigger
(for PEX-1202 and
PCI-1202/1602/180x/
ver-F)
[ 1, 0, X ]
[ 0, 1, X ]
[ 1, 1, 1]
[ 1, 0, X]
(1)
disable all external trigger
(2)
set pacer timer-1
(3)
clear FIFO and enable timer-1
(4)
waiting for the external signal.
(5)
fetch more N2 data (circular-fetch)
(6)
stop all timer and disable all trigger
Pre-trigger
(for PCI-180/1802)
(version-C)
[ 1, 0, X ]
[ 0, 1, X ]
[ 1, 1, 1]
[ 1, 0, X]
(1)
disable all external trigger
(2)
set pacer timer-1
(3)
clear FIFO and enable timer-1
(4)
waiting for the external signal to stop timer-1.
(5)
keep the last N data (circular-fetch)
(6)
stop all timer and disable all trigger
Middle-trigger
(for PCI-1800/1802)
(version-C)
[ 1, 0, X ]
[ 0, 1, X ]
[ 1, 1, 0]
[ 0, 1, X]
[ 1, 0, X]
(1)
disable all external trigger
(2)
set pacer timer-1
(3)
clear FIFO and enable timer-1
(4)
waiting for the external signal to stop timer-1
(5)
enable timer-1
(6)
fetch more N2 data
(7)
stop all timer and disable all trigger
