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TTL Trigger Board#

The TTL Trigger Board

  • is a trigger extension board that can be used together with all frame grabbers of the microEnable IV, microEnable 5 marathon and microEnable 5 ironman series.a
  • provides an adaption to the TTL signal level.
  • offers 8 input and 8 output signals for controlling cameras and peripheral devices.
  • allows to synchronize multiple frame grabbers.

The I/O TTL Trigger Board is connected to the frame grabber via a 34-pin flat cable:

Connecting a TTL Trigger Board

Installation within a host PC:

Installation within a host PC

The following image shows a production line using TTL Trigger Board (example):

Production Line with TTL Trigger Board

Info

For detailed information on how you can use your TTL Trigger Board for various tasks within a trigger system, refer to the Trigger System documentation.

Info

How the individual inputs and outputs of the trigger extension board are employed you can configure via the applet you are using. Refer to the documentation of your specific applet.

Delivery Contents#

If you ordered the TTL trigger board, the following items are contained in your delivery package:

  • Trigger extension board I/O TTL Trigger Board (article no. 101248)
  • 34-pin flat cable for connecting to the frame grabber board

TTL Trigger Board and off-the-shelf 34-pin flat cable

Info

You can order additional equipment (such as a 34-pin flat cables for multi-board installation) directly from Basler.

Info

To connect to several I/O TTL Trigger devices, we recommend to use a specific 34-pin flat cable (Multi-board Trigger Cable) provided by Basler. The Multi-board Trigger Cable offers one connector for the trigger board and multiple connectors for the Opto Trigger 5 devices. The signals of the Multi-board Trigger Cable use open collector drivers. The Multi-board Trigger Cable is available in three variants:

  • Multi-board Trigger Cable - Left (order number 101439)
  • Multi-board Trigger Cable - Right (order number 101440)
  • Multi-board Trigger Cable - Custom (order number 101441)

Contact the Basler sales department for additional ordering information.

Ports#

The TTL Trigger Board offers the following ports:

TTL Ports TTL Port Description

Installing a Trigger Extension Board#

Info

Make sure you use an adequate ventilation system within your computer. This is of special importance if

  • there is little space between boards in a multi-board installation,
  • an installation is close to a graphics card.

Basler recommends leaving enough free space between boards.

To install the trigger extension board, you need the following components:

  • One frame grabber
  • One trigger extension board (OPTO Trigger 5 or TTL Trigger Board)
  • One 34-pin flat cable you received from Basler

To install your trigger extension board:

  1. Shut down the host PC.
  2. Unplug the host PC from the power outlet.
  3. Plug the trigger board into an empty slot on the slot bracket of the host PC. The trigger board doesn't need a connection to the motherboard of the computer, so it is possible to use a PCIe, a PCI, or an ISA slot. The following images show a frame grabber with empty slots in the host PC as well as a frame grabber with a connected trigger board. Frame grabber and empty slots in host PC Frame grabber and trigger board in host PC
  4. Fasten the trigger board to the PC chassis by screws.
  5. Connect the trigger board with the GPIO socket of Opto Trigger 5, using the 34-pin flat cable. Frame grabber and trigger board connected by flat cable
  6. Reboot your host PC.

Now, the trigger board is ready for use.

Electrical Environment and Electrical Characteristics#

Electrical Environment#

The TLL trigger board operates internally with LVCMOS33 or LVCMOS25 levels respectively, depending on the attached frame graber model. All input and output drivers are +5 VDC TTL tolerant.

Electrical Characteristics#

Min Max Unit
Circuit Speed t PD 10 ns
V Input Level Low -0.3 0.8 V
V Input Level High 2 5.5 V
V Output Level Low 0.4 V
V Output Level High 2.9 V
I Output Level Low 8 mA
I Output Level High -4 mA
Temperature Range -40 105 °C

Input and Output Signals#

Input Signals#

The TTL trigger board supports eight input signals (four signals per port). These signals are connected to the trigger inputs of the frame grabber. They are intended to trigger image or line acquisition. For a functional description of the trigger system, refer to the user manual of the frame grabber you are using. The polarity of the input signals is NOT inverted.

Output Signals#

The TTL trigger board supports eight output signals (four signals per port). These signals are connected to the trigger outputs of the of the frame grabber. For a functional description of the trigger system, refer to the user manual of the frame grabber you are using.

The polarity of the output signals is NOT inverted.

Power Supply for Cameras#

Cameras with a +5 VDC or +12 VDC power supply can be powered by the TTL trigger board. The power supply is available on both frontal plugs of the TLL trigger board (SUB-D15).

In order to provide external power you need to plug a power cable from the PC´s power supply to the 4 pin Tyco 171826-4 power connector. This connector is only needed for supplying external power.

Power Connector on TTL

Info

If you want to supply the camera with power by the TLL trigger board, you have to use a 4 pin power supply cable (colour code yellow-black-black-red), as it is used on floppy controllers in PCs. Plug the 4 pin power connector directly to the trigger extension board.

Connection to the Frame Grabber#

The frame grabber is connected to the TLL trigger board by a 34-pin flat cable. The signals of the flat cable use open collector drivers.

This allows to either

  • use several TLL trigger boards (and Opto trigger boards) at the same time (inputs are wired-ORed), or
  • use the same TLL trigger board with several frame grabbers (outputs are wired-ORed).

Info

Do not connect frame grabbers residing in different PCs.

  • To connect to several frame grabbers, a custom-made single flat cable with a connector for the TLL trigger board and multiple connectors for the frame grabbers must be used. Please contact your distributor for ordering information.
  • microEnable IV AD4-CL, microEnable IV AD4-LVDS, and microEnable IV VD4-CL with implemented I/O option "3.3V TTL (LVTTL) compatible (push/pull)" do not allow the connection of two or more microEnable IV frame grabbers via flat cable.

Pin Layout on SUB-D15#

SUB D15 Plug

There are two SUB-D15 female plugs on the TLL trigger board. The upper one is called Port A, the lower one Port B. The following table shows the pin layout SUB-D15 female (Port A and B) on TTL trigger extension board

Pin Number SUB-D15 Port A
Signal Name
SUB-D15 Port B
Signal Name
1 Trigger Output 0 Port A
Flash Signal
Trigger Output 4 Port B
Flash Signal
2 Trigger Output 1 Port A
For Area Cameras: Image Trigger (Ex Sync)
For Line Cameras: Line Trigger (Ex Sync 2)
Trigger Output 5 Port B
For Area Cameras: Image Trigger (Ex Sync)
For Line Cameras: Line Trigger (Ex Sync 2)
3 Trigger Output 2 Port A
For Area Cameras: HD Sync
For Line Cameras: Line Trigger (Ex Sync)
Trigger Output 6 Port B
For Area Cameras: HD Sync
For Line Cameras: Line Trigger (Ex Sync)
4 Trigger Output 3 Port A
User Output (DigitalOut Bit#0)
Trigger Output 7 Port B
User Output (DigitalOut Bit#0)
5 nc nc
6 GND GND
7 nc nc
8 + 12 VDC (for external devices only) + 12 VDC (for external devices only)
9 + 5 VDC (for external devices only) + 5 VDC (for external devices only)
10 nc nc
11 Trigger Input 0 Port A Trigger Input 4 Port B
12 Trigger Input 1 Port A Trigger Input 5 Port B
13 Trigger Input 2 Port A Trigger Input 6 Port B
14 Trigger Input 3 Port A Trigger Input 7 Port B
15 GND GND

Pin Layout Trigger/IO Interface (34-Pin Flat Cable Connector)#

The 34-pin flat cable links the frame grabber and the trigger board. All Basler frame grabbers offer 8 digital inputs (IN 0 – 7) , and 8 digital outputs (OUT 0–7).

Connecting frame grabber to trigger board

The mapping of the connector pins to the individual inputs and outputs is the same for all Basler frame grabbers.

How the individual inputs and outputs are used you can configure via applet. Please refer to the documentation of the applet you are using.

The pins of the 34-pin flat cable connector are connected to the following inputs and outputs:

Pin Number I/O Name
1 Trigger Output 0
2 +3.3 VDC
3 Trigger Output 1
4 +3.3 VDC
5 Trigger Output 2
6 GND
7 Trigger Output 3
8 GND
9 Trigger Input 0
10 GND
11 Trigger Input 1
12 GND
13 Trigger Input 2
14 GND
15 Trigger Input 3
16 GND
17 Trigger Ouput 4
18 GND
19 Trigger Ouput 5
20 GND
21 Trigger Ouput 6
22 GND
23 Trigger Ouput 7
24 GND
25 Trigger Input 4
26 GND
27 Trigger Input 5
28 GND
29 Trigger Input 6
30 GND
31 Trigger Input 7
32 VCCIO (+ 2.5 VDC)
33 Presence Detect
34 VCCIO (+ 2.5 VDC)

You can configure the parameter settings for each individual input and output in microDisplay and via SDK.

Default I/O configuration: 2.5 VDC logic level signals (LVCMOS25). Signals are driven by open-collector drivers, pullups are on-board.
Optional I/O configuration only for microEnable IV AD4-CL and AD4-PoCL: 3.3 VDC TTL (LVTTL) compatible I/Os (push/pull). VCCIO on Pin 32 and 34: +3.3 VDC. Please note that this configuration DOES NOT support the connection of two or more microEnable IV frame grabbers via the special flat cable. If you are interested in this optional configuration, please contact your distributor.

Info

With some applets, however, the usage of the individual inputs and outputs is fix and cannot be configured. These are the Acquisition Applets (as opposed to Advanced Acquisition Applets) on microEnable 4 frame grabbers. See below how the usage of the individual inputs and outputs is programmed in these applets.

With the Standard Acquisition Applets on microEnable 4, the usage of the individual inputs and outputs is fix and cannot be configured via applet. The image below shows how the inputs und outputs are programmed.

For each camera port (A and B), one process runs on the frame grabber. For each camera port (i.e., process), four inputs and four outputs are available. The pins of the 34-pin flat cable connector are connected to the following camera port inputs and outputs:

Pin Layout 34-pin flat cable connector on microEnable 4 CameraLink frame grabber running Standard Acquisition Applet

You can configure the parameter settings for each individual input and output in microDisplay and via SDK.

Default I/O configuration: 2.5 VDC logic level signals (LVCMOS25). Signals are driven by open-collector drivers, pullups are on-board.
Optional I/O configuration: 3.3 VDC TTL (LVTTL) compatible I/Os (push/pull). VCCIO on Pin 32 and 34: +3.3V. Please note that this configuration DOES NOT support the connection of two or more microEnable IV frame grabbers via the special flat cable offered by Basler. If you are interested in this optional configuration, contact your distributor.

Standard Acquisition Applets on microEnable 4 GigE Vision Frame Grabbers#

With the Standard Acquisition Applets on microEnable 4, the usage of the individual inputs and outputs is fix and cannot be configured via applet. The table below shows how the inputs und outputs are programmed.

For each camera port (A, B, C, and D), one process runs on the frame grabber. For each camera port (i.e., process), two inputs and two outputs are available. The pins of the 34-pin flat cable connector are connected to the following camera port inputs and outputs:

Pin Number Pin Layout
I/O Name
Connected Ports
processes
Pin Number Pin Layout
1 Trigger Output 0 Port A (Process 0) 2 + 3.3 VDC
3 Trigger Output 1 Port A (Process 0) 4 + 3.3 VDC
5 Trigger Output 2 Port B (Process 1) 6 GND
7 Trigger Output 3 Port B (Process 1) 8 GND
9 Trigger Input 0 Port A (Process 0) 10 GND
11 Trigger Input 1 Port A (Process 0) 12 GND
13 Trigger Input 2 Port B (Process 1) 14 GND
15 Trigger Input 3 Port B (Process 1) 16 GND
17 Trigger Output 4 Port C (Process 2) 18 GND
19 Trigger Output 5 Port C (Process 2) 20 GND
21 Trigger Output 6 Port D (Process 3) 22 GND
23 Trigger Output 7 Port D (Process 3) 24 GND
25 Trigger Input 4 Port C (Process 2) 26 GND
27 Trigger Input 5 Port C (Process 2) 28 GND
29 Trigger Input 6 Port D (Process 3) 30 GND
31 Trigger Input 7 Port D (Process 3) 32 VCCIO (+ 2.5 VDC)
33 Presence Detect - 34 VCCIO (+ 2.5 VDC)

You can configure the parameter settings for each individual input and output in microDisplay and via SDK.

Default I/O configuration: 2.5 VDC logic level signals (LVCMOS25). Signals are driven by open-collector drivers, pullups are on-board.


  1. The only Basler standard frame grabbers that can't be connected to the TTL Trigger Board are the stand-alone devices of the LightBridge series. 

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