ICP DAS USA I-7080 User Manual page 18

Gate Control Setting
1.8.6
The gate control will be ignored in frequency mode(51).
The gate control is defaultly disable in counter mode(50). The
user can use command to enable/disable the gate control as
following:
$AAA0
$AAA1
$AAA2
Preset Value Setting
1.8.7
The preset value will be ignored in frequency mode(51).
The counters will go to their preset value in the first power-on
state. The reset counter command, $AA6N, also force the
counters go to their preset value. The factory default setting of
preset value is 0. The user can use the $AAPN(data) command
to change the preset value. The key points are given as
following:
Factory default setting
Power on state
$AA6N
$AAPN(data)
I-7080, I-7080D, I-7080B, I7080BD User Manual (V 2.2) ------------------ 18
gate input must be low to enable counter
gate input must be high to enable counter
gate input is ignored. The counter will be
always enable.
I-7080 & I-7080D
Counter preset value is 0
Counter 0/1 go to preset value
Counter N go to preset value
Set preset value of counter N