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PRELIMINARY
2.3 Power Supply
The camera uses a single voltage input, normally set to 12 volts @ 0.7 Amps typ., supplied
through a Hirose connector. The supply must support a 850mA current surge for 100ms for
proper camera operation.
Ripple and noise is required to be < 50 mV RMS for best camera noise performance.
Cable construction with shielded and grounded shields is required.
Hirose HR25-7TR-6P Receptacle
Pin # Description
1 +12V
2 +12V
3 NC
4 GND
5 GND
6 NC
2.4 LED Indicator Status Lamp
The LED is bi-color to indicate the status of the camera operation. The LED color is green
after initialization. If external SYNC is stopped or disconnected it will turn RED.
Power Up: LED = RED
• Remains RED for approx. 0.1 second then turns to solid green.
• If the LED remains RED (or does not illuminate), the camera failed internal power up
operation and should be returned to Fairchild Imaging for repair.
Master Mode: LED = GREEN
• After power up with no EXSYNC input, the camera will default to “Master Mode”
operation. The LVAL (line valid signal) (internally generated by the camera)will be
at 23.191KHz line rate without any need for external trigger.
Slave Mode: LED = GREEN
• Once an EXSYNC signal is received the camera goes into a slave mode. The LVAL
(line valid signal) period will track the SYNC input period. The line rate will vary
according to the external trigger.
• The camera will remain in the slave mode until power is turned off (see Master
Mode).
• If the EXSYNC (external trigger) is lost during “Slave Mode” operation, the LED will
become RED. This indicates that the external trigger is interrupted and should be
checked.
• Verify that the external trigger is not disabled.
• Verify that the control connector is connected and secured properly.
Fairchild Imaging • CAM/CCD-2KLV.TDI & CAM/CCD-4KLV.TDI Line Scan Camera User’s Manual • Rev 073004 • 16 of 38