Script execution

script/OPD_accurracy_check_scan.py

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+"""
+File:            OPD_accurracy_check_scan.py
+Author:          KR84
+Copyright        PSI LLRF, 2016
+
+Purpose          Record klystron OPD accurracy by setting the station to different operation points
+Preconditions    - RF station is running
+                 - you know the settling time of the feedback + 100 P2P-count + 100 Hz, if required, change it below
+                 - 
+
+"""
+
+#################################################################
+# Parameter SECTION, change it to your RF station before run
+SECTION = "SINEG01"
+
+# for 100 Hz and P2P-count = 100 this can be at least 1.1 seconds
+latency = 10
+#################################################################
+
+
+
+
+
+# some other parameters
+
+
+
+
+
+# re-define filename, such that the SECTION is also in the filename
+set_context(path = "{data}/{year}_{month}/{date}/{date}_{time}_"  + str(SECTION) + "_{name}") 
+
+
+#################################################################################
+# define all PVs
+#import  ch.psi.pshell.epics.ProcessVariable as PV
+import  ch.psi.pshell.epics.ChannelDouble as PV
+
+# controlled variabales
+cv_kly_pow      = PV("phase_ref", SECTION + "-RSYS:SET-KLY-POWER")
+cv_kly_headroom = PV("headroom" , SECTION + "-RHLA-JOBRMP:SET-KLY-POWER-HR")
+
+# measured variables
+mv_kly_pow_avg       = PV("REF_amplt_jit" ,SECTION + "-RKLY-DCP10:FOR-POWER-AVG")
+mv_kly_pow_avg_gated = PV("REF_amplt_jit" ,SECTION + "-RKLY-DCP10:FOR-POWER-AVG-GATED")
+
+
+# auxiliary measured variables, but not scanned
+
+
+# initialize all PVs
+cv_kly_pow.initialize()
+cv_kly_headroom.initialize()
+mv_kly_pow_avg.initialize()
+mv_kly_pow_avg_gated.initialize()
+
+
+
+
+
+#################################################################################
+# scan
+
+
+
+
+
+ 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)
+%scan_result = ascan((cv_rf_amplt, cv_rf_phase), (mv_ref_jit_amplt,mv_ref_jit_phase,mv_iqm_jit_amplt,mv_iqm_jit_phase,mv_pre_jit_amplt,mv_pre_jit_phase,mv_kly_jit_amplt,mv_kly_jit_phase,mv_vsum_jit_amplt,mv_vsum_jit_phase), ( 0.2, -170.0), (0.3, 180.0), (0.05, 10.0) , latency=latency, title="OPD Power Scan", zigzag=False)
+
+
+
+#################################################################################
+# close all PVs
+cv_kly_pow.close()
+cv_kly_headroom.close()
+mv_kly_pow_avg.close()
+mv_kly_pow_avg_gated.close()
+
+
+
+
+#################################################################################
+# analyze
+
+
+
+