Faber M640 用户手册
Genie Monochrome Series-GigE Vision Camera
Technical Specifications • 91
Genie Signal Electrical Details
• Power Supply (pin 2): +12V DC nominal.
Operating tolerance +10% to –10%.
Over voltage and reverse voltage protection circuit built in. The protection circuit is reset by shutting down or
disconnecting the power supply.
Over voltage and reverse voltage protection circuit built in. The protection circuit is reset by shutting down or
disconnecting the power supply.
• The 12-pin Hirose male connector shell and cable shield should connect to the supply earth ground to improve
EMI shielding.
External Inputs
• Opto-coupled (2V to 12V, 2mA minimum) with internal current limit.
• RS422 or TTL signal type.
• Used as trigger or integration control.
• External signal polarity selected via configuration parameter.
• User programmable debounce time from 1 to 255µs.
• See
• RS422 or TTL signal type.
• Used as trigger or integration control.
• External signal polarity selected via configuration parameter.
• User programmable debounce time from 1 to 255µs.
• See
"
.
Trigger
Debounce
IN
3.3V
Genie
example
TTL external
device
4.7K
Fairchild
HMHA281R
.01µf
680
IN+
IN-
Hirose 12
connector
V+
Event
Signal
Buffer
driver
example
74HC244
External Input Detail with an Example Signal Driver
The opto-coupler is typically a Fairchild HMHA281 with the following characteristics.
Input Electrical Parameter Description
Value
Voltage threshold to turn OFF
0.8 V
Voltage threshold to turn ON
2 V
Minimum input current to turn ON
2 mA
Maximum input current
50 mA
Minimum input pulse width to turn ON
30 us
Maximum input voltage
13 V