Gotthard related stuff
Info related to the Detector
- : READ_ME_GOTTHARD_detector.pdf (Server information is outdated, see below)
Ethernet connections:
- gbit port <---> Server PC (hasfl2det01 at FLASH2, no server currently at FLASH1)
- base-T <---> Office net
How to use the Detector and save in DAQ
for now very short: run the Exp2 DAQ with EXPERIMENT_GOTTHARD included as shown below. AND press the start button in the Gotthard DAQ (you get there from the Gotthard panel lower left button "Gotthard DAQ"
- Main Gotthard panel for users :
- Exp2 DAQ RC gui for recording Gotthard data. EXPERIMENT_GOTTHARD has to be included
Modules and their exchange
Two (Three) modules available (physically at FLASH):
hostname | Status | Sensor | Sensor image | config file |
|---|---|---|---|---|
cfeld-gotthard02 | standard/online/working | two small areas of damaged pixels |
| bchip_mpc1922Receiver.config_cfeld-gotthard02 |
hasdslabgh | working | first 1/3 is blind, strong base line offset in the center and a further blind bunch and the end |
| bchip_mpc1922Receiver.config |
cfeld-gotthard01 | was working (2018), backilluminated! the sensor front is Al-shielded for x-rays | ? | bchip_mpc1922Receiver_petra.config |
To change a module the respective config file has to be selected. However changing it will crash the server, thus, it is not possible to change on the fly. Connact Sören if there is the need to exchange a module. However, the differences in the configs are only the hostname. (To be tested: On the fly might work, if one edits the config-file itself after switching of the server instead of selecting another config file in the GUI. But how to transport this information to the GUI? → Display the first line of the config file!) The config files are located at the hasfl2det01: /export/doocs/server/gotthard_server/cfgs/
GOTTHARD Server
The server for GOTTHARD (FLASH2) runs on hasfl2det01. Its watchdog and control (svr.GOTTHARD) can be found under FLASH.SYSTEMS - HASFL2DET01.
Main Parameters and limits
Parameter | Design | Real /tested |
|---|---|---|
Max Frames | 125 | 120 |
Max. exposition time | ~2/3 of period time | |
Min. period time | ca. 930 ns | |
Max repetition frequ. | 1 MHz | 833 kHz (software limited) |
Soft reset a GOTTHARD Module
- Open console on Linux PC (connected to DESY net)
- write "telnet cfeld-gotthard02" (or the respective Host name or IP of the module)
- you should be connected to the GOTTHARD onboard system → </root:
- type: "reboot"
- the module reboots (wait ~1-2 min), the telnat connection will be cut due to reboot.