92 lines
2.2 KiB
Python
Executable File
92 lines
2.2 KiB
Python
Executable File
"""
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File: OPD_accurracy_check_scan.py
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Author: KR84
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Copyright PSI LLRF, 2016
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Purpose Record klystron OPD accurracy by setting the station to different operation points
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Preconditions - RF station is running
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- you know the settling time of the feedback + 100 P2P-count + 100 Hz, if required, change it below
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-
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"""
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#################################################################
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# Parameter SECTION, change it to your RF station before run
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SECTION = "SINEG01"
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# for 100 Hz and P2P-count = 100 this can be at least 1.1 seconds
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latency = 10
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#################################################################
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# some other parameters
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# re-define filename, such that the SECTION is also in the filename
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set_exec_pars(path = "{data}/{year}_{month}/{date}/{date}_{time}_" + str(SECTION) + "_{name}")
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#################################################################################
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# define all PVs
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#import ch.psi.pshell.epics.ProcessVariable as PV
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import ch.psi.pshell.epics.ChannelDouble as PV
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# controlled variabales
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cv_kly_pow = PV("set_power", SECTION + "-RSYS:SET-KLY-POWER")
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cv_kly_headroom = PV("headroom" , SECTION + "-RHLA-JOBRMP:SET-KLY-POWER-HR")
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# measured variables
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mv_kly_pow_avg = PV("meas_power" ,SECTION + "-RKLY-DCP10:FOR-POWER-AVG")
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mv_kly_pow_avg_gated = PV("meas_power_gated" ,SECTION + "-RKLY-DCP10:FOR-POWER-AVG-GATED")
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# auxiliary measured variables, but not scanned
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# initialize all PVs
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cv_kly_pow.initialize()
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cv_kly_headroom.initialize()
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mv_kly_pow_avg.initialize()
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mv_kly_pow_avg_gated.initialize()
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#################################################################################
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# scan
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scan_result = ascan((cv_kly_pow, cv_kly_headroom), (mv_kly_pow_avg,mv_kly_pow_avg_gated), ( 1.0, 0), (17.0, 0.1), (1.0, 0.05) , latency=latency, title="OPD Power Scan", zigzag=False)
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#################################################################################
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# close all PVs
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cv_kly_pow.close()
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cv_kly_headroom.close()
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mv_kly_pow_avg.close()
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mv_kly_pow_avg_gated.close()
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#################################################################################
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# analyze
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