Counter and Timer Control Function (counter support only)
The counter function counts up change points in the camera's internal signals using the camera's
internal counter, and reads that information from the host side. This function is useful for verifying error
conditions via the count value using internal camera operations.
Counting is performed at frame trigger, frame start, exposure start, and exposure transfer end, and
by comparing these values, you can determine the internal camera state at which missed triggers will
occur.
■ Counter occurrence diagram
Frame trigger
Frame trigger counter
Set to count 1
Exposure Start
Exposure start counter
Set to count 2
Note
To reset the counter itself, execute [Counter Reset] or enter "1" in [Counter Reset].
■ Internal camera blocks
Frametrigger
Exposure Start
Frame Start
FrameTransfer End
Event occurrence
Count up
Event occurrence
Count up
Read count
value
Count 2
request
Event
detection
Event
detection
Event
detection
Event
detection
Counter reset
Internal MCU of camera
— 42 —
GO-2400M-USB / GO-2400C-USB
Count 1
Request
Read count
value
MCU
HOST
Counter
At event occurrence or count up
Counter
Counter
Counter
Read requested
counter value
Counter reset
Counter reset
Count 1 reset
Count 2 reset
Send
information
to the HOST