Trigger distribution hubs Trigger Star Point, non-ruggedized / K3981B

These are non-ruggedized trigger hubs for start of record (SR) and T-Zero (T0) signals; they belong to the family Type K3981B.

K3981B

These are non-ruggedized trigger hubs for start of record (SR) and T-Zero (T0) signals; they belong to the family Type K3981B.
主な特長/メリット
  • Hub / repeater function for trigger signals
  • Bidirectional standard mode (1 µs) and unidirectional fast mode (10 µs) for T0
  • Start Record (SR) trigger generation
  • Sync. signal generator for 20 Hz, 100 Hz, 1 kHz, 2 kHz or 5 kHz with 10 ppm oscillator stability
  • Support of external sync. signal by PLL function
  • Status latch for trigger sources (T0 and SR) to detect (false) trigger origins
The 19-inch rack of the stationary Trigger Star Point is usually located in or next to the control room. It distributes the generated (T0 and SR) or incoming trigger signals (T0) to all data and video recording systems by star topology via a standardized twisted pair CAT 6 cable. By default, a bidirectional signal path will be used for the SR/T0 trigger. In that case, the trigger should be distributed to all participants within 10 µs. However, for higher requirements related to the runtime, a separate line for sending and receiving T0 can be used in order to reduce the trigger runtime to less than 1 µs. If no valid master sync signal is available the Trigger Star Point generates a 1 kHz sync. signal with a stability of better than 10 ppm by default. In addition, there is the possibility to configure further frequencies, namely 20 Hz, 100 Hz, 2 kHz, and 5 kHz. These sync signals are provided at each RJ45 connector of the Trigger Star Point. The operation of the device is controlled by software, e.g. CrashDesigner, via Ethernet connection. The following tasks are handled by software: mode setting of sync. frequency, configuration of trigger, status read-out. LEDs are used to give the user intuitive optical feedback on the trigger and sync. status. The external supply voltage to the Trigger Star Point can vary in a large range between 85 V and 264 V AC. Manual matching by configuration is not necessary.
データシート
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