Input / Output Signal; Delay Of Photocoupler - Hitachi Kokusai Electric HV-F203GV Operation Manual

15.

Input / Output signal

1. Input signal
The level of the trigger signal input to HV-F203GV is as follows.
5Vp-p ± 0.5V
2. Output signal
The level of VD/Flash pulse signal output from HV-F203GV is as follows.
5Vp-p
16.

Delay of photocoupler

The difference of the delay time for trigger signal of photocoupler implemented in HV-F203GV depends on input voltage as
shown following table.
Voltage of
input signal
5V
6V
7V
8V
9V
10V
11V
12V
13V
14V
15V
16V
17V
18V
19V
20V
21V
22V
23V
24V
The case of rising edge
7.3～8.8 µs
5.3～5.6 µs
4.6～4.8 µs
3.8～4.1 µs
2.7～3.6 µs
2.5～2.8 µs
2.3～2.6 µs
2.2～2.5 µs
2.3～2.6 µs
2.2～2.5 µs
2.1～2.4 µs
2.1～2.3 µs
2.0～2.2 µs
2.0～2.2 µs
1.9～2.1 µs
1.9～1.9 µs
1.9～1.9 µs
1.8～1.9 µs
1.8～1.8 µs
1.8～1.8 µs
The case of falling edge
22.4～23.6 µs
31.4～34.5 µs
38.2～39.4 µs
41.3～41.4 µs
42.2～43.0 µs
44.3～44.6 µs
45.2～45.7 µs
45.8～46.6 µs
46.6～47.5 µs
47.1～48.2 µs
47.8～48.3 µs
48.3～48.7 µs
48.8～49.3 µs
48.9～49.3 µs
49.3～50.2 µs
49.8～50.5 µs
50.3～50.9 µs
50.7～51.2 µs
51.1～51.6 µs
51.8～52.1 µs
47