Photron FASTCAM ultima 1024, User Manual

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TRIGGER SW IN TRIGGER SW IN
One of the two BNC connectors to input trigger signal that requires a contact switch between the One of the two BNC connectors to input trigger signal that requires a contact switch between the
center conductor and the shield to generate triggers. center conductor and the shield to generate triggers.
The following is a simplified circuit to show the concept. The following is a simplified circuit to show the concept.
EXT OUT EXT OUT
A BNC connector, set by the remote control keypad menu, outputs recording gate signals and vertical A BNC connector, set by the remote control keypad menu, outputs recording gate signals and vertical
sync pulse signals. sync pulse signals.
The recording gate is a signal that indicates the processor is in recording duty. The polarity is set by the The recording gate is a signal that indicates the processor is in recording duty. The polarity is set by the
remoto control keypad menu. remoto control keypad menu.
Also, the polarity of vertical sync pulse is set by the remote control keypad menu. Also, the polarity of vertical sync pulse is set by the remote control keypad menu.
The output circuit is as shown below and must be grounded by a 50 ohms resistor. The output circuit is as shown below and must be grounded by a 50 ohms resistor.
74ACT541 Doubled
Buffer CMOS Output
Use SW2 to select
Record Gate or
Vertical Sync.
Vertical Sync.
Record Gate
IEEE1394 IEEE1394
Use this connector when controlling the FASTCAM-ultima 1024 with the attached 1394 control Use this connector when controlling the FASTCAM-ultima 1024 with the attached 1394 control
software. software.
Two IEEE1394 connectors are provided. Two IEEE1394 connectors are provided.
OPTICAL LINK OPTICAL LINK
Use this connector when controlling the FASTCAM-ultima 1024 with the attached 1394 control Use this connector when controlling the FASTCAM-ultima 1024 with the attached 1394 control
software via an optical cable. software via an optical cable.
10K
+ 5V
220
0.1µf
TRIGGER
SWITCH IN
CIRCUIT DIAGRAM OF TRIGGER SW IN CIRCUIT DIAGRAM OF TRIGGER SW IN
TRIGGER SWITCH IN TRIGGER SWITCH IN
Processor Rear Panel Processor Rear Panel