SLAC Magnetic Measurements Date: 08-15-2011 Time: 12:49:49 Project: LCLS Device Type: Undulator Data Type: Serial Number: L143-112000-30 DATASET Number: 4 Tuning Stage: Fine Tuning Run Number: 6 Measurement Type: Z Scans Operator: YL Comment: final Device:HP3458 , integration time = 0.060000 , number of channels = 1, number of samples = 37888, range = 7.000000 *------------------------------------------------------------------------------* Device:HP3458 , integration time = 0.060000 , number of channels = 1, number of samples = 37888, range = 7.000000 *------------------------------------------------------------------------------* Device:NONE , integration time = 0.060000 , number of channels = 1, number of samples = 0, range = 7.000000 *------------------------------------------------------------------------------* Device:NONE , integration time = 0.060000 , number of channels = 1, number of samples = 0, range = 7.000000 *------------------------------------------------------------------------------* 12:49:59 Stage Zeroed 12:49:59 Move node 0: Move Device = UMAC, Read Device = UMAC ***************************************************************** 12:49:59 Move node 1: Move Device = UMAC, Read Device = UMAC ***************************************************************** 12:49:59 Move node 2: Move Device = UMAC, Read Device = UMAC ***************************************************************** 12:49:59 Move node 3: Move Device = NONE, Read Device = NONE ***************************************************************** ------------------> get_data <---------------------- 12:50:00 : humidity : 58.98 ------------------> get_data <---------------------- 12:50:00 : pressure : 1001.98 ------------------> get_data <---------------------- 12:50:00 : ambient : --> Ambient 19.89 --> KGranite 19.92 --> KRefM 19.86 ------------------> get_data <---------------------- 12:50:00 : L143-112000-30 : --> T1 20.01 --> T2 20.00 --> T5 19.97 --> T3 20.00 --> Air 20.06 --> T4 19.99 ZSCAN: : --== Zscan started ==-- at 08-15-2011 12:50:11 ZSCAN: : Calibration is up to date. ZSCAN: : CALIBRATION FILE: c:\CVI\current_calib\Sentron_441\Sentron_441_y.ini Original calibration file location-> s:\magdata\LCLS\Hall probe\SENTRON_441\HPCS_069\hpcs_calib.ini c:\cvi\current_calib\HALLx_calib_poly_fit_file.dat ZSCAN: : CALIBRATION PROBE: poly_calib ------------------> get_data <---------------------- 12:50:13 : humidity : 58.98 ------------------> get_data <---------------------- 12:50:13 : pressure : 1001.98 ------------------> get_data <---------------------- 12:50:13 : ambient : --> Ambient 19.89 --> KGranite 19.92 --> KRefM 19.86 ------------------> get_data <---------------------- 12:50:13 : L143-112000-30 : --> T1 20.01 --> T2 20.00 --> T5 19.97 --> T3 20.00 --> Air 20.06 --> T4 19.99 PXI axis 3: mode = 0 , counts per index = 250000 microns per count = 1.000000, indices = 3:20 multiple of counts = 200 , number of samples = 21251 scans number = 0, threshold = 21250, zero index = 1 <------------------------------------------------------------------------------> PXI axis 2: mode = 1 , counts per index = 20000 microns per count = 0.500000, indices = 1:2 multiple of counts = 200 , number of samples = 400 scans number = 0, threshold = 399, zero index = 1 <------------------------------------------------------------------------------> PXI axis 1: mode = 1 , counts per index = 20000 microns per count = 0.500000, indices = 1:2 multiple of counts = 200 , number of samples = 400 scans number = 0, threshold = 399, zero index = 1 <------------------------------------------------------------------------------> 12:50:16 Move:node 0 absolute position = 0.008000 m 12:50:20 Move:node 1 absolute position = 0.000400 m Position (counts) fixed:15516, secondary:600 12:50:35 Move:node 0 position incremented by = 0.019951 m Position (counts) fixed:55418, secondary:600 12:50:44 Move:node 0 position incremented by = 0.000199 m Position (counts) fixed:55816, secondary:600 12:50:47 Move:node 0 position incremented by = 0.000002 m Position (counts) fixed:55820, secondary:600 12:50:54 Move:node 1 position incremented by = 0.000004 m VSCAN3: : Start zero fields ch0: -0.002973 -0.003087 -0.002982 -0.003040 -0.003049 -0.002997 -0.003029 -0.003014 -0.003023 -0.003011 VSCAN3: : Start zero fields ch1: 0.001074 0.001068 0.001062 0.001077 0.001065 0.001074 0.001047 0.001082 0.001068 0.001117 12:51:19 Move:node 2 absolute position = 5.245000 m 12:52:26 Stage Position Measurement, pos = 5.245001 m 12:52:30 Move:node 2 absolute position = 0.000000 m VSCAN3: : Stop zero fields ch0: -0.003032 -0.003020 -0.003067 -0.003043 -0.003055 -0.003023 -0.003119 -0.003072 -0.003055 -0.003110 -0.003113 VSCAN3: : Stop zero fields ch1: 0.000992 0.000986 0.000995 0.000974 0.000951 0.001012 0.001009 0.000972 0.000989 0.000957 0.001007 VSCAN3: : Time Stamps 74.568000 86.788000 91.495000 158.378000 158.427000 163.106000 12:53:42 Move:node 1 absolute position = 0.000000 m 12:53:46 Move:node 0 absolute position = 0.000000 m -->>12:53:53 VSCAN3:SCAN : 1 start_pos = 0.500000 (m), dist_move = 4.745000 (m), num_samp = 21251, averaging number = 3 Primary axis: 3 Use indexes for travel range:1 Measuring length:0.000000 Secondary axis:2 Was active:1 Accuracy:0.000001 Start position:0.000304 Step size:0.000100 Number of steps:0 Fixed axis:1 Was active:1 Accuracy:0.000001 Position:0.027910 VSCAN3: Indices position error -> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 VSCAN3: : Channel:0 Start Offset = -0.003048515637 Error = 0.000044 VSCAN3: : Channel:0 Stop Offset = -0.003055090098 Error = 0.000046 VSCAN3: : Channel:1 Start Offset = 0.001042685909 Error = 0.000039 VSCAN3: : Channel:1 Stop Offset = 0.001021765641 Error = 0.000041 VSCAN3: Back jumps number -> 0 VSCAN3: Triggers position error (counts)-> 0 VSCAN3: Fixed position -> 0.0279100 VSCAN3: Fixed position error -> 0.000000 VSCAN3: Fixed Idx position error -> 400.000000 VSCAN3: Secondary position -> 0.0003040 VSCAN3: Secondary position error -> 0.500000 VSCAN3: Secondary Idx position error -> 0.000000 ZSCAN: : Field slope = -2.281325 G/m, Field Amplitude = 1.277412 T, Error: 0.000024 ZSCAN: : First pole position = 0.962082 m ZSCAN: : Poles spacing = 0.015002 m ZSCAN: : Poles spacing error = 0.000017 m ZSCAN: : Poles max space = 0.015219 m ZSCAN: : Field X slope = 0.587110 G/m, Field X Amplitude = 0.000363769283 T, Error: 0.000000 ZSCAN: : Estimated Magnetic Roll = 0.284771 mrad, Estimated Integral Magnetic Twist = -251.888681846021 mrad/ ZSCAN: : Ready for new scan