#Ref tagger software
In case some connections are missing or were disconnected during operation, the software engine will show a warning and the data transmission from the disconnected Time Tagger will be filtered out until a valid connection is restored. The software engine attempts to detect incorrect or incomplete connections of the cables in the synchronization loop. getChannelList ( TT_CHANNEL_RISING_EDGES ) print ( chan_list ) > Incomplete cable connections
#Ref tagger serial number
The connection is opened as usual using createTimeTagger(), and optionally you can specify the serial number of the Time Tagger.įrom TimeTagger import createTimeTagger, TT_CHANNEL_RISING_EDGES # Connect to any of the synchronized Time Taggers tagger = createTimeTagger () # Request a list of all positive edge channels chan_list = tagger. There is no specific “master” device, and the connection to the synchronized group can be initiated from any of the member Time Taggers. It will also automatically open a connection to all other Time Taggers in the group and present all devices as a single Time Tagger. The Time Tagger software engine automatically recognizes if a Time Tagger belongs to a synchronized group. Requirements to the reference signal at REF IN. Note that REF OUT is disabled when an external reference signal is present at the REF IN. Additionally, the Synchronizer can supply 10 MHz reference signal through its REF OUT output. In case you want to use your external reference clock, you have to connect it to the REF IN connector of the Synchronizer. The Synchronizer has a built-in high accuracy and low noise reference oscillator and distributes the clock signals to all attached Time Taggers. Typically, such USB controllers have an individual chip for each USB port and require a PCIe x4 slot on the computer’s motherboard.
#Ref tagger full
While there is a wide variety of USB3 controllers, you have to look for one that can deliver full USB3 bandwidth at every USB port simultaneously.
#Ref tagger install
Instead, please install an additional USB controller card into your computer. If your computer does not have a sufficient number of USB3 ports, avoid using USB hubs as they limit the data bandwidth available for every Time Tagger. We recommend using the same cable type for these two signals.Īdditionally, we recommend connecting every Time Tagger directly to a USB3 port on the same computer. An additional feedback signal is required to identify which of the Time Taggers in the loop is the first.įor reliable synchronization, the cables for CLK and SYNC signals shall have a length difference below 4 cm. The connection sequence in the loop defines the channel numbering order. Furthermore, Time Taggers have to be connected to each other in a loop. The Synchronizer provides a common clock signal for every Time Tagger as well as the synchronization signals. You have installed the Time Tagger software version 2.6.6 or newer. For more details, see in the section Cable connections. You need three cables for each Time Tagger. You have a sufficient number of SMA cables of the same length. The Synchronizer itself does not require a USB connection. Your PC has a sufficient number of USB3 ports for direct connection of every Time Tagger. In case you have an older device and want to synchronize it with more units, please contact our support or sales team. Your Time Tagger Ultra has hardware version 1.2 or higher. You have obtained the Synchronizer hardware. Successful synchronization of your Time Taggers requires:
The Time Tagger software engine creates a layer of abstraction: the synchronized Time Taggers appear as one device with a combined number of input channels. The Synchronizer generates a clock and synchronization signal to establish a common time-base on all connected Time Taggers. The Swabian Instruments’ Synchronizer allows for connecting up to 8 Time Tagger Ultra devices to expand the number of available channels.
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