GSI - BEA Wiki

BIF:

THE BIF SYSTEM:
Beam Induced Fluorescence monitors determine the transverse beam profiles with minimum beam disturbance. The measurement principle is based on the excitation of gas molecules by the passing ion beam in the beam pipe. The emitted photons are measured by digital CCD cameras with image intensifiers to ensure single photon detection. Using two cameras installed above and sideways of the beam pipe, the horizontal and vertical. beam profiles are measured simultaneously. Currently, there are 6 BIF monitors installed in GSI accelerators and transfer lines.

PLC HARDWARE:
As PLC hardware, the SIMATIC system from Siemens was selected. The PLC is able to set voltages for each iris, the intensifiers and calibration LEDs which had to be controlled manually before. Furthermore, an easy to use remote reset capability for supplemental hardware devices of the BIF system is realized by relay modules. The relays support switching of 230 volt supply voltage. Devices of the BIF system like the cameras or the gas flow control can be restarted remotely in case of errors. The hardware was installed at different locations along the linear accelerator. The main controller and the Ethernet communication module are located in an electronics room. The distributed sub-systems with local control units, relays and DAC devices, so-called 'satellites', are located near the BIF hardware in a radiation safe area. The system consists of the following Siemens SIMATIC components:

Webinterface: SDAPLC001

CPU:

• S7-300 - the main controller
• CP343-1 Lean - for Ethernet communication

Location: LSB5, Rack15

IO-Devices: 6 in 4 Boxes:

• ET 200M - the satellite controller
• SM322 - relay with eight outputs (to control 230V power plugs)
• SM332 - 12-bit DAC with four outputs (2)

BIFUS1 BIFUS4:
Location: Unilac basement

BIFUA4 BIFUT1:
Location: Experiment basement

BIFTK2:
Location: Experiment basement

BIFTK6:
Location: Beamline TK6

pinbelegung_sps_kabel_geraet_konverter_100722.xls
analog1.xls
digital1.xls