NavCom SF-2110 Rev.C - Manual (Page 38)

SF-2110 User Guide – Rev. C
position and time information relative to each
photograph taken.
Specifications:
9 50 Ohm input impedance
9 3Vdc > Input Voltage, High < 6Vdc
9 0Vdc < Input Voltage, Low < 1.2Vdc
9 Minimum pulse width, 100nsec
9 Rising or Falling edge Synchronization
Connecting the shared EVT MKR port requires a nine
pin, cable fitted with a Positronic plug, NavCom
P/N 94-310262-3010LF.
‡
An *event latch interface unit may be
necessary if the input device pulse is
unable to drive the input.
Detailed specifications of the Event
Input, cable wiring, and configuration
may be found in Appendix D of this
User Guide.
*1 PPS
A pulse is available from the SF-2110 at an output
rate of once per second. This pulse can be used for a
variety of Time/Mark applications where relative
timing is required.
Specifications:
9 15ns relative accuracy
9 Better than 100ns absolute accuracy
9 50 Ohm, TTL level
9 Pulse width, default 100mS, range 10 – 999mS
9 Pulse delay, default 0mS, range 0 – 999mS
9 Rising or Falling Edge Synchronization
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* Consult Release Notes on the NavCom web site for availability.