Version Differences for SGM Beamline
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| Motor driver interface
| Motor driver interface
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|}Another PV, 'BL1611ID1:Energy:fbk', is used to monitor the energy to which the beamline is currently set. This value for this PV is determined through a calculation based on the grating equation and the feedback provided by an encoder that measures the angle that the grating is currently set to. All parameters of the SGM control system such as the undulator gap, grating angle, exit slit position, mirror positions and detector outputs are represented by such PV's. A list of commonly used PV's related to the SGM beamline can be found in the appendix of this document.
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Another PV, 'BL1611ID1:Energy:fbk', is used to monitor the energy to which the beamline is currently set. This value for this PV is determined through a calculation based on the grating equation and the feedback provided by an encoder that measures the angle that the grating is currently set to. All parameters of the SGM control system such as the undulator gap, grating angle, exit slit position, mirror positions and detector outputs are represented by such PV's. A list of commonly used PV's related to the SGM beamline can be found in the appendix of this document.
Process variables are generated and handled by software running on computers called inputoutput controllers (IOC). For the beamline to work properly, several different applications must be simultaneously running on multiple IOCs. Table 3 outlines the different IOCs and the applications that are required for beamline operation.
Process variables are generated and handled by software running on computers called inputoutput controllers (IOC). For the beamline to work properly, several different applications must be simultaneously running on multiple IOCs. Table 3 outlines the different IOCs and the applications that are required for beamline operation.