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Functions
XCD-SX910CR/X710CR
XCD-SX910UV
XCD-SX910/X710
Frame Rate Settings
for Format 7
For Format 7, the offset address 600h frame rate
settings are disabled, but with this camera, the frame
rates for Modes 1 to 4 are determined by the packet
size.
16-bit Mode
The camera supports 16-bit Black & white
(Monochrome) mode, but because the output of the AD
converter is 10-bit, only the least significant 10 bits of
the 16 bits will handle data. The upper 6 bits will be
filled with zeros.
000000dd | dddddddd
Format7
XCD-SX910CR/SX910UV/SX910
XCD-X710CR/X710
Frame Packet Frame Packet
rate size rate size
Mono8
30 1280 50 1536
Mode1
15 640 25 768
Mono16
15 1280 25 1536
7.5 640 12.5 768
Mono8
30 2560 50 3072
Mode2
15 1280 25 1536
Mono16
15 2560 25 3072
7.5 1280 12.5 1536
Mono8
15 2752 – –
Mode3
7.5 1376 – –
Mono16
7.5 2752 – –
3.75 1376 – –
Mono8
15 2048 – –
Mode4
7.5 1024 – –
Mono16
7.5 2048 – –
3.75 1024 – –
1394 Bus
Synchronization
Timing used to start exposure is synchronized with the
1394 bus time cycle register.
If cameras are connected in a bus connection, they are
automatically synchronized in a 1394 bus operation.
As 400 Mbps frequency area restriction can affect the
synchronization, you must set the video mode in which
the cameras can transmit video signal at the same time.
1394 synchronization does not work in long exposure
mode. In a long exposure, the exposure time is set
longer than the image transmission cycle.
CPU operation timing can cause jitter in 1394 bus
synchronization. (Approx. 4
µ
sec)
Hardware external synchronization will ensure further
accuracy.
ExposureOut
When trigger is OFF, or software trigger is ON, a
signal that indicates the exposure time is output from
the BNC connector of the camera.
The LOW period that is given by an output wave form
is an approximate guideline. It does not correspond
exactly to the actual exposure time.
+5 V
1 kΩ
exposure
time