script/Scan3.py

@@ -0,0 +1,35 @@
+import  ch.psi.pshell.epics.ChannelDouble as ChannelDouble
+A1 = ChannelDouble("Delay",              "S20SY02-MKAC040:TCS-Pul2-TDELAY-K")
+S1 = ChannelDouble("Phase",              "S20SY02-MKAC040:FRM-PHASE")
+S2 = ChannelDouble("y1",                 "S20SY02-DBPM080:Y1")
+A1.initialize()
+S1.initialize()
+S2.initialize()
+A1_init = A1.read()
+A1i    = 433.8437
+A1f    = 433.8487
+nstep  = 21
+lat    = 0.130
+nav    = 30
+plt    = plot(None, title="Output")[0]
+plt.clear()
+plt.setStyle(plt.Style.ErrorY)
+plt.addSeries(LinePlotErrorSeries("Sensor1", Color.red))
+def after_sample(record, scan):
+    plt.getSeries(0).appendData(record.positions[0], record.values[0].mean, record.values[0].stdev)
+try:
+    S1_averager = create_averager(S1, nav, lat)
+    S2_averager = create_averager(S2, nav, lat)
+    S2_averager.monitored=True
+    time.sleep(5.0)
+    r = lscan(A1, (S1_averager, S2_averager), A1i, A1f, nstep, latency=5.0, after_read = after_sample)
+    Act1     = r.getPositions(0)
+    S1mean   = [val.mean for val in r.getReadable(0)]
+    S1rms    = [val.stdev for val in r.getReadable(0)]
+    S2mean   = [val.mean for val in r.getReadable(1)]
+    S2rmsn   = [val.stdev for val in r.getReadable(1)]
+finally:
+    A1.write(A1_init)
+    A1.close()
+    S1.close()
+    S2.close()