15
CHAPTER 8
APPENDICES
APPENDIX A: External Trigger Port
The external trigger port at the rear of the camera is a 6-pin miniature circular DIN receptacle (AMP
749265-1). The mating connector is a Singatron Enterprises part number 62000-6P, available
fromDigikey (www.digikey.com)
Figure 11—
External Trigger Port Connector
The pinout for the connector is as follows
+5VDC (pin 1) and GROUND (pin 4 & pin 6) must be connected in order for SYNC-A, SYNC-B or
TRIGGER to be live.
Pin Number
Signal Name
Signal
Source
Description
1
+5 VDC
User
Power for Optocoupler trigger
2
Trigger (input)
User
Active Low Trigger Input
3
SYNC-A (output)
Camera
Indicates CCD Read-out
4
Ground
User
Ground Reference for Optocoupler
5
SYNC-B (output)
Camera
Exposure or Trigger Mask
6
Ground
User
Ground Reference for Optocoupler
Table 2—Pin-out of the External Trigger Port Connector
1 2
3
4
5 6