Hitachi KP-F140F Operation Manual page 24

4. Reset control (External trigger operating mode: Mode 14)
When the external trigger signal is HIGH ACTIVE, exposure begins at the rising edge of the trigger signal and ends at the
falling edge. At the Readout pulse falling edge, the internal VD signal is reset and the video data are transmitted.
Trigger input High
(High active)
Low
Port1/Port2
output
Output delay
(High active)
Shutter time
Trigger
delay
Readout pulse
(High active)
Strobe output
(High active)
Data output
VD output
(Low active)
Note: Special function of rest control trigger
The camera shifts to the output of a normal mode (continuous output) when Trigger B signal passes about 1/3
seconds in the state of High. (The image is output by inputting the Trigger at the VD cycle for this period.)
It returns to the Reset control mode if Trigger B signal becomes Low. However, after becoming Low Trigger B, the
period of 50 ms becomes a Trigger A signal input prohibition period.
High
Trigger input
Low
(High active)
Shutter time
Readout pulse
(High active)
Data output
VD output
(Low active)
14
More than 10μs
Port1/Port2 (Trigger) input signal width
(*2)
Shutter time
(integration time)
(*3)
T2
(*7)
1～250ms
Strobe delay
(*4)
Strobe duration1
Strobe duration2
(*6)
9H
1
=
(*1) T1
Self frame
(*2) 0.19～3930.43μs
(*3) 0.22～3930.46μs
(*4) 0.28～3930.52μs
(*5) 0.96～3931.2μs
(*6) Shutter Time – Strobe delay
（when duration time is set to 000h）
Shutter time
(integration time)
1～250ms
More than T1
(*1)
More than 10μs
(*5)
[sec]
rate
0.96μs/step
0.96μs/step
0.96μs/step
0.96μs/step
1/3s approx.
More than 10μs
Shutter time
(integration time)
(*7) T2 = 93μs (KP-FD140F/F140F)
(*7) 56μs (KP-FD32F/F32F)
(*7) 58μs (KP-F83F)