Frame-Delay Read Out Mode - JAI CV-M4+ Operation Manual

6.7. Frame-delay read out Mode

In this mode the pre selected exposure starts from the leading edge of the trigger pulse, H
synchronous or H a-synchronous. It can be the 10 steps in normal or 1056 steps in programmable.
SM=0 or SM=1. The resulting video is read out at the trailing edge of the trigger.
This mode will operate with full and partial scanning and with V binning (M4
Partial scanning and binning in combinations is not allowed.
If smearless read out (SL=1) is used, the exposure starts with a delay 133H (5.23 msec.) after the
trigger. An EEN pulse will indicate the active accumulation time, and a FEN pulse indicates that
the resulting video is read out.
To use this mode:
Set function:
Polarity and other functions
Input:
Important notes on using this mode.
•
The duration of the trigger should be longer than the exposure time + (>2H to <3V.)
(>72.64µsec to <120msec).
•
The minimum trigger interval should be >(trigger pulse width + 1 frame). A new trigger
must not be applied during the previous frame read out. (Before FEN is high).
+
CV-M4 /M4
Trigger mode "Frame delay read out"
"H synchronous accumulation"
"Smearless readout"
Ext. trigger to LVDS/Camera Link or pin 10 on 12-pin connector.
Fig. 23 Frame Delay
+ +
CL, CV-M7 /M7
- 19 -
+
CL
+
and M4
TR = 3
HC=0, HC=1
SL=0, SL=1
+
CL only).