VIS-CAM System
5.3.3Connector signal specifications
Description
Logic inverter powered by 5V drives the output. The inverter is a HCMOS type 74AHC14.
Output signal specification
Signal amplitude | 5V TTL |
Output impedance | 100 Ω |
Pulse width | 5 ms ± 1 ms |
Signal polarity | active high |
External power requirement | |
Voltage | |
Current | max 25μA |
Electrical Interface on the I/O board:
Figure 45. I/O board electrical interface. Test
A push button switch S1 can be activated for generation of an output pulse for test purposes. The flash output is high as long as the switch is activated. The switch is located as shown on Figure 46:
Figure 46. Switch location.
5.3.4Connector physical Interface
Table 14 Wiring diagram.
Pin | Signal | Description | Connection to |
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1 | I/O Gnd | IO Board Gnd | Pin 2 when no power is available from the flash |
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2 | GND | Flash Gnd | Flash ground (negative power terminal) |
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3 | Out | Strobe Out | Strobe input on flash unit |
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4 | Stat | Strobe status | Status output from flash unit |
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5 | FPWR | Flash power | Power from flash to output circuit on I/O Board |
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6 | 24V | IO board 24V (Fused 0.5A) | Pin 5 when no power is available from the flash |
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Appendix A: Camera Functional & Connector Description | 51 |
