Flash Output Timing - Panasonic PV500 User Manual

8.3.4 FLASH Output Timing

When you turn on the light by inputting FLASH signal sent from PV500, the light continuously flashes while
display image of PV500 is set to "Live". This is because the Flash signal is output continuously along with the
display timing of the live image. It is advisable to display "Memory" image when you use the light using Flash
signal.
a Image capture
response
b FLASH signal
response time
c FLASH span *1)
d Lighting response time
e Lighting range
f Shutter speed *1)
g Lighting time
• *1)
Set it for each "Camera No. to Set" of Types.
• *2)
Depending on the internal circuit of a connecting device, the response time could be longer than the maximum
time (1000.9 ms). Check on the system you actually use.
• *3) For your imformation
When using our digital power sourse for LED lighting (ANB86001/ANB86003),
- Setting of "Capture delay" in PV500 to "0 ms" makes "b" = 1 ms or less
- Setting of "Llight Delay Time" of the digital power sourse to "10 μs" makes "d" = 100 μs or less
• *4)
In PNP-output-type product (PhotoMos output type, the end of the product number is "P"), actual signal span
against the set Falsh span is as listed below due to the feature of PhotoMos relay. The signal span changes
depending on the setting of "Flash Polarity".
When FLASH polarity is set to "ON at Low": [Output signal span] = [set signal span] - [approx. 120µs(0.12ms)]
When FLASH polarity is set to "ON at High": [Output signal span] = [set signal span] + [approx. 40µs]
Example)
Set Signal Span
Example 1 0.2 ms (200μs)
Example 2 10 ms
Response time for START signal to the start of image capturing.
START signal response time (1 ms or less) + Capture delay *1)
(0 to 999.9 ms) = 1000.9 ms (Max)
Response time for START signal to the start of FLASH signal output *2) *3).
START signal response time (1 ms or less) + FLASH signal delay *1) (0 to 999.9
ms) = 1000.9 ms (Max)
Set the value with PV500 in accordance with a connecting lighting.
(0.2 - 999.9 ms *4))
Response time for FLASH signal of a lighting *3).
Set the value with a lighting. (It varies depending on the delay time setting of a
lighting.)
Lighting tolerance time between light emission start and the end.
If it lights out of the range (E'), brightness of captured images vary every
inspection.
Set the value with PV500. 0.03 to 1000.00 ms (30 µs to 1000 ms)
Set the value with a lighting.
The time from the emission start to the end of lighting must be less than "Lighting
range" (e).
Output Signal Span
[FLASH Polarity] = ON
0.08 ms (80μs)
9.88 ms
[FLASH Polarity] = OFF
0.24 ms (240μs)
10.04 ms
387