OPERATING AND USER MANUAL QUARTZ series CXP
12
Chassis part:
Hirose type HR10A-7R-4SB(74)
•
Camera female I/O connector
Figure 3.1:
Pin no.
Signal name
Direction
Level
At the pin
1
Trigger in
Input
10..20 mA
Anode of optocoupler
(
*
)
2
Flash strobe out
Output
Open collector of optocoupler
3
Trigger return
Input
Isolated gnd
Cathode of optocoupler
4
Flash strobe return
Output
Isolated gnd
Emitter of optocoupler
(
*
)
serial resistors 470
Ω
inside camera, see figure 3.2.
Pinning I/O connector
Table 3.2:
Mating cable connector:
Hirose type HR10A-7P-4P(74)
•
NOTE:
The delay from non-conductive to conductive state of the phototransistor is less than 1.5 µs.
The delay from conductive to non-conductive state of the phototransistor is less than 10 µs.
The recommended termination circuitry is drawn in Figure 3.2.
A current of 2.5 mA is recommended for the Flash strobe output. For the Trigger input, a current of 10
mA is recommended. These current recommendations translate to the recommended series resistor
values in table 3.3.
Vext [V]
R1E [
Ω
]
R2E [
Ω
]
3.3
1000
Do not apply
5.0
2000
0
12
4700
470
Recommended series resistor for trigger input
Table 3.3:
4
2
3
1