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54 Chapter 4: Matrox Helios hardware reference
Type of
signal
Exposure
0
2
0/1 0/1 0/1 0/1
output
1
2
Trigger
0
4
input
1
4
Field
0
1
polarity
1
1
input
Timer clock
0
1
input
1
1
Quadrature
0
1
4
input
1
1
User input
0
12
1
8
User output
0
7
0/1 0/1 0/1 0/1
1
7
1. The maximum # for each signal type cannot always be attained. The actual maximum depends on whether the required auxiliary signals are available or have been
defined as another type.
2. On external auxiliary I/O connector 0 (DB-44).
3. On external auxiliary I/O connector 1 (DB-9).
4. Note that a rotary encoder with quadrature output transmits a two-bit code so table entries denoted bit position.
Synchronization and control signals
The following tables summarize the synchronization, timing, and control signals
supported by Matrox Helios eCL/XCL. Most of these signals are available by
defining camera control or auxiliary (general purpose) signals as such in the DCF.
When an acquisition path supports several signals of a specific type, the tables
identify the one to which an auxiliary/camera control signal can be defined. For
example, for acquisition path 0, you can define P0_TTL_AUX_IO_1 as exposure
output 0 and TTL_AUX_IO_0 as exposure output 1. Note, signals defined for
acquisition path 1 do not apply to the single-Full version. CL connect. stands for
Camera Link connector.
LVDS cam. ctrl
CL connect. 0
CL connect. 1
0/1 0/1 0/1 0/1
0/1 0/1 0/1 0/1
2
TTL aux. I/O
OPTO aux. in
0
1
0
1
0
1
2
3
0
0
1
2
3
0
0
0
2
3
4
7
0
2
3
7
4
2
3
4
7
2
3
7
4
2
2
LVDS aux. in
1
2
3
0
1
2
3
0/2 1/3
0/2 1/3
0
0
0
0
0
0
1
0
1
1
8
9
5
6 10 11
0
1
5
6
2
LVDS aux. out
0
1
0
1
5
6
5
6
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