NavCom SF-3050 Rev.E - Manual (Page 125)

SF-3050 GNSS Product User Guide
– Rev E
3-99
example
, the action of a camera‟s shutter creates an
input pulse to the Event port. The SF-3050M outputs
position and time information relative to each event
received.
The Event is input on Pin 3 of the 9-pin male
Positronic connector power port on the rear of the
sensor (refer to Table 7).
Specifications:
 Selectable Input Voltage, 5V or 12V
 Minimum pulse width, 100nS
 Rising or Falling edge Synchronization

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-3050 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:
 25ns relative accuracy
 Better than 100ns absolute accuracy
 5V TTL Logic level output
 1 PPS Output Impedance > 50 Ohms
 Pulse width, default 1mS
 Pulse delay, default 0mS
 Rising or Falling Edge Synchronization