S800 Documentation

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trigger [2013/12/10 21:14]
pereira created 		trigger [2013/12/10 21:16]
pereira [Configuration for S800 in tandem with other detectors]
Line 72: Line 72:
 In its standard configuration, the S800 data acquisition uses one CAMAC crate and one VME crate only. The CC-USB and VM-USB crate controller modules performing the readout are connected to the latches number 1 and 2 of the trigger module, respectively. Each crate controller is configured to output their busy and end-of-event signals on their available NIM outputs, which are then connected to the appropriate inputs on the trigger module.  In its standard configuration, the S800 data acquisition uses one CAMAC crate and one VME crate only. The CC-USB and VM-USB crate controller modules performing the readout are connected to the latches number 1 and 2 of the trigger module, respectively. Each crate controller is configured to output their busy and end-of-event signals on their available NIM outputs, which are then connected to the appropriate inputs on the trigger module. 
 To incorporate an external detector in the S800 trigger logic, the same busy and end-of-event signals are required from its data acquisition system. This is to ensure that no live trigger signal is generated when any of the partners is busy or still processing an event. The 5 signals necessary between the S800 trigger and an external data acquisition system are the following:  To incorporate an external detector in the S800 trigger logic, the same busy and end-of-event signals are required from its data acquisition system. This is to ensure that no live trigger signal is generated when any of the partners is busy or still processing an event. The 5 signals necessary between the S800 trigger and an external data acquisition system are the following: 
-• Raw trigger from external detector to Secondary source  
-• Live trigger from S800 trigger to external data acquisition (trigger input)  
-• Time stamp clock from S800 trigger to external data acquisition (time stamp input)  
-• End-of-event from external data acquisition to S800 trigger  
-• Busy from external data acquisition to S800 trigger  
- 
  
 +  - Raw trigger from external detector to Secondary source 
 +  - Live trigger from S800 trigger to external data acquisition (trigger input) 
 +  - Time stamp clock from S800 trigger to external data acquisition (time stamp input) 
 +  - End-of-event from external data acquisition to S800 trigger 
 +  - Busy from external data acquisition to S800 trigger 
  
  
trigger.txt · Last modified: 2023/10/24 16:47 by swartzj

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