CM-200 MCL / CB-200 MCL
5.3.
Input and output circuits
In the following schematic diagrams the input and output circuits for video and timing signals are
shown.
5.3.1.
Iris video output
GND
75
Video
Output
GND
75
Video
Output
GND
75
Video
Output
This signal can be used for lens iris control in Continuous mode.
The signal is taken from the CCD sensor output before the gain
circuit. The video output is without sync. The signal is 0.7 Vpp
from 75
Ω
without termination.
NOTE:
This function is not available in the PoCL version
Fig. 4. Video output.
5.3.2.
Trigger input
GND
+5V
15k
TTL
1k
GND
100n
1k
68k
100k
1n
75
Ω
Trig input
pin #10
SW302.1
GND
+5V
15k
TTL
1k
GND
100n
1k
68k
100k
1n
75
Ω
Trig input
pin #10
SW302.1
GND
+5V
15k
TTL
1k
GND
100n
1k
68k
100k
1n
75
Ω
Trig input
pin #10
SW302.1
Fig. 5. Trigger input.
An external trigger input can be applied to pin 10 of 12-
pin Hirose connector (when the command TI=1 has been
set). The input is AC coupled. To allow long pulses the
input circuit is designed as a flip-flop circuit. The leading
and trailing edges of the trigger pulse activate the
circuit.
The trigger polarity can be changed by TP=1.
Trigger input level 4 V
±
2 V.
The trigger can also be supplied through the Camera Link
connector, when the command TI=0 has been set.
NOTE:
In the PoCL version trigger can only be applied through the Camera Link connector
GND
+5V
2
2
10k
2k2
75
TTL
100
Pin #9
XEEN
output
GND
+5V
2
2
10k
2k2
75
TTL
100
Pin #9
XEEN
output
5.3.3.
XEEN output
XEEN is on pin 9 on 12-pin HR connector. The output
circuit is 75
Ω
complementary emitter followers. It will
deliver a full 5 volt signal.
Output level
≥
4 V from 75
Ω
. (No termination).
EEN is also found in Camera Link.
NOTE:
In the PoCL version EEN is only available in the
Camera Link connector
Fig. 6. XEEN output
5.3.4.
Camera Link interface
The digital video is available via Camera Link, with 8 or 10-bit pixel depth, using the CL Base
configuration. The digital output signals follow the Camera Link standard using Channel Link chip
sets.
The data bits from the digital video, FVAL, LVAL, DVAL and EEN are multiplexed into the twisted
pairs, which are a part of the Camera Link. Trigger signals and the serial camera control are feed
directly through its own pairs.
The 26-pin Mini-CL SDR connector pin assignment follows the Camera Link base configuration.
For a detailed description of the Camera Link standard, please refer to the Camera Link standard
specifications found at the AIA web site,
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