I-7080, I-7080D, I-7080B, I7080BD User Manual (V 2.2) ------------------ 15
1.8.2 Counter Alarm Mode Selection
There are no alarm function in frequency mode(51). There
are two counter alarm mode, alarm mode 0 & alarm mode 1.
These two alarm modes can be used in both of I-7080 & I-
7080D.
The alarm mode 0 is designed for two-channel application
as following:
select alarm mode 0: ~AAA0 (for both channels)
enable channel 0: @AAEA0
disable channel 0: @AADA0
set high alarm limit of channel 0: @AAPA(data)
if (counter 0 >= alarm limit 0)
D/O 0 turn ON
if (counter 0 < alarm limit 0)
D/O 0 turn OFF
enable channel 1: @AAEA1
disable channel 1: @AADA1
set high alarm limit of channel 1: @AASA(data)
if (counter 1 >= alarm limit 1)
D/O 1 turn ON
if (counter 1 < alarm limit 1)
D/O 1 turn OFF
The alarm mode 1 is designed for single-channel
application as following:
select alarm mode 1: ~AAA1 (for channel 0 only)
enable channel 0: @AAEAT
disable channel 0: @AADA
clear latch alarm: @AACA
set high alarm limit: @AAPA(data)
set high-high alarm limit: @AASA(data)
D/O 0
D/O 1
Counter 0 < high alarm
OFF
OFF
high alarm <= counter 0 &
counter 0 < high-high alarm
ON
OFF
High-high alarm <= counter 0
ON
ON
Note: high-high alarm must greater than high-alarm