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| STAT | Status bits in software (define the bits) |
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| HSTA | Hardware status |
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SRF Interlocks - Per Cavity |
W | INTLK_RESET_ALL | Reset all latched faults from RFS and Resonance/Interlock chassis | ACCL:L1B:0210:INTLK_RESET_ALL |
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R | RFS:INTLK_FIRST | Bit mask indicating which interlock fault was first detected by RFS. | ACCL:L1B:0210:RFS:INTLK_FIRST | N/A |
R | RFS:FLTINTLK_FIRST | For last captured fault waveform, bit mask indicating which interlock fault was first detected by RFS | ACCL:L1B:0210:RFS:FLTINTLK_FIRST | N/A |
R | QUENCH_FLT |
Cavity quench fault, from RFS chassis. Current status, latched status, bypass command, bypass status | ACCL:L1B:0210:QUENCH_FLT |
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R | QUENCH_LTCH | ACCL:L1B:0210:QUENCH_LTCH |
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W | QUENCH_BYP | ACCL:L1B:0210:QUENCH_BYP |
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R | QUENCH_BYP_RBV | ACCL:L1B:0210:QUENCH_BYP_RBV |
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R | STEPTEMP_FLT | Stepper temperature fault, from Interlock chassis. Current status, latched status, bypass command, bypass status | ACCL:L1B:0210:STEPTEMP_FLT |
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R | STEPTEMP_LTCH | ACCL:L1B:0210:STEPTEMP_LTCH |
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W | STEPTEMP_BYP | ACCL:L1B:0210:STEPTEMP_BYP |
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R | STEPTEMP_BYP_RBV | ACCL:L1B:0210:STEPTEMP_BYP_RBV |
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R | CPLRTEMP1_FLT |
Coupler temperature 1 fault, from Interlock chassis. Current status, latched status, bypass command, bypass status | ACCL:L1B:0210:CPLRTEMP1_FLT |
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R | CPLRTEMP1_LTCH | ACCL:L1B:0210:CPLRTEMP1_LTCH |
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W | CPLRTEMP1_BYP | ACCL:L1B:0210:CPLRTEMP1_BYP |
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R | CPLRTEMP1_BYP_RBV | ACCL:L1B:0210:CPLRTEMP1_BYP_RBV |
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R | CPLRTEMP2_FLT |
Coupler temperature 2 fault, from Interlock chassis. Current status, latched status, bypass command, bypass status | ACCL:L1B:0210:CPLRTEMP2_FLT |
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R | CPLRTEMP2_LTCH | ACCL:L1B:0210:CPLRTEMP2_LTCH |
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W | CPLRTEMP2_BYP | ACCL:L1B:0210:CPLRTEMP2_BYP |
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R | CPLRTEMP2_BYP_RBV | ACCL:L1B:0210:CPLRTEMP2_BYP_RBV |
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R | PLL_FLT | FPGA PLL lock fault, from RFS chassis. Current status, latched status. Cannot be bypassed. | ACCL:L1B:0210:PLL_FLT |
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R | PLL_LTCH | ACCL:L1B:0210:PLL_LTCH |
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R | IOCWDOG_FLT |
EPICS IOC watchdog fault, from RFS chassis. Current status, latched status, bypass command, bypass status | ACCL:L1B:0210:IOCWDOG_FLT |
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R | IOCWDOG_LTCH | ACCL:L1B:0210:IOCWDOG_FLT |
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W | IOCWDOG_BYP | ACCL:L1B:0210:IOCWDOG_BYP |
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R | IOCWDOG_BYP_RBV | ACCL:L1B:0210:IOCWDOG_BYP_RBV |
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R | SSA_FLT |
SSA permit fault, from RFS chassis. Current status, latched status, bypass command, bypass status | ACCL:L1B:0210:SSA_FLT |
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R | SSA_LTCH | ACCL:L1B:0210:SSA_LTCH |
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W | SSA_BYP | ACCL:L1B:0210:SSA_BYP |
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R | SSA_BYP_RBV | ACCL:L1B:0210:SSA_BYP_RBV |
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SRF Interlocks - Per Rack (A or B) |
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R | CPLRVAC[A,B]_FLT |
Coupler vacuum fault, from Interlock chassis. Current status, latched status, bypass command, bypass status | ACCL:L1B:0200:CPLRVACA_FLT |
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R | CPLRVAC[A,B]_LTCH | ACCL:L1B:0200:CPLRVACA_LTCH |
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W | CPLRVAC[A,B]_BYP | ACCL:L1B:0200:CPLRVACA_BYP |
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R | CPLRVAC[A,B]_BYP_RBV | ACCL:L1B:0200:CPLRVACA_BYP_RBV |
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R | BMLNVAC[A,B]_FLT |
Beamline vacuum fault, from Interlock chassis. Current status, latched status, bypass command, bypass status | ACCL:L1B:0200:BMLNVACA_FLT |
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R | BMLNVAC[A,B]_LTCH | ACCL:L1B:0200:BMLNVACA_LTCH |
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W | BMLNVAC[A,B]_BYP | ACCL:L1B:0200:BMLNVACA_BYP |
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R | BMLNVAC[A,B]_BYP_RBV | ACCL:L1B:0200:BMLNVACA_BYP_RBV |
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R | CRYOSUM[A,B]_FLT |
Cryo summary fault, from local Cryo PLC. Current status, latched status, bypass command, bypass status | ACCL:L1B:0200:CRYOSUMA_FLT |
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R | CRYOSUM[A,B]_LTCH | ACCL:L1B:0200:CRYOSUMA_LTCH |
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W | CRYOSUM[A,B]_BYP | ACCL:L1B:0200:CRYOSUMA_BYP |
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R | CRYOSUM[A,B]_BYP_RBV | ACCL:L1B:0200:CRYOSUMA_BYP_RBV |
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SRF Interlocks - Per Cryomodule - Tentative |
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R | CRYOSUM_FLT | Cryo summary status from local Cryo PLC. Current status | ACCL:L1B:0200:CRYOSUM_FLT |
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R | HELEVEL_FLT | Cryo Helium level status from local Cryo PLC. Current status | ACCL:L1B:0200:HELEVEL_FLT |
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R | HEPRES_FLT | Cryo Helium pressure status from local Cryo PLC. Current status | ACCL:L1B:0200:HEPRES_FLT |
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R | CRYOHEARTBEAT_FLT | Cryo PLC heartbeat fault. Generated by RF software when cryo data stops updating or updates too slowly | ACCL:L1B:0200:CRYOPLC_HEARTBEAT |
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SRF Cavity Characterization and Expert Settings |
R | QLOADED | Loaded Q | ACCL:L1B:0210:QLOADED |
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R | LDCOEF | Lorentz detuning coefficient | ACCL:L1B:0210:LDCOEF |
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R | BCOEFM | State space B coefficient magnitude | ACCL:L1B:0210:BCOEFM |
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R | BCOEFP | State space B coefficient phase | ACCL:L1B:0210:BCOEFP |
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R | SSA:SLOPE | SSA curve parameter - slope | ACCL:L1B:0210:SSA:SLOPE |
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R | SSA:PED | SSA curve parameter - pedestal | ACCL:L1B:0210:SSA:PED |
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R | SSA:MINX | SSA curve parameter - min x | ACCL:L1B:0210:SSA:MINX |
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R | SSA:MAXR | Maximum drive to SSA, range 0 to 1. (Need better name.) | ACCL:L1B:0210:QLOADED |
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Waveform Signals |
Each SRF cavity has the following waveform signals: Description | PV name, <SIG> in following section | Amplitude Units | Power Units | Phase | Drive (RFS chassis loopback) | DRV | sqrt(W) | W | degrees | Forward Power | FWD | sqrt(W) | W | degrees | Reverse/Reflected Power | REV | sqrt(W) | W | degrees | Cavity Probe | CAV | MV | mW | degrees | DAC (FPGA internal, input to DAC that drives SSA) | DAC | % of full DAC scale | (% of full DAC scale)^2 | degrees | Detune (see below) | DF | Hz | N/A | N/A |
For SRF systems, these PVs are provided for CAV, FWD, REV, DAC (and DRV only during expert diagnostics/troubleshooting.) Example PVs are for CAV. |
R | <SIG>:AWF | Signal amplitude waveform | ACCL:L1B:0210:CAV:AWF |
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R | <SIG>:AMEAN | Mean of <SIG>:AWF | ACCL:L1B:0210:CAV:AMEAN |
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R | <SIG>:ASTD | Standard deviation of <SIG>:AWF | ACCL:L1B:0210:CAV:ASTD |
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R | <SIG>:ARSTD | Standard deviation of <SIG>:AWF divided by mean of <SIG>:AWF | ACCL:L1B:0210:CAV:ARSTD |
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R | <SIG>:AMIN | Minimum of <SIG>:AWF | ACCL:L1B:0210:CAV:AMIN |
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R | <SIG>:AMAX | Maximum of <SIG>:AWF | ACCL:L1B:0210:CAV:AWF |
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R | <SIG>:PWF | Signal phase waveform | ACCL:L1B:0210:CAV:PWF |
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R | <SIG>:PMEAN | Mean of <SIG>:PWF | ACCL:L1B:0210:CAV:PMEAN |
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R | <SIG>:PSTD | Standard deviation of <SIG>:PWF | ACCL:L1B:0210:CAV:PSTD |
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R | <SIG>:PRSTD | Standard deviation of <SIG>:PWF divided by mean of <SIG>:PWF | ACCL:L1B:0210:CAV:PRSTD |
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R | <SIG>:PMIN | Minimum of <SIG>:PWF | ACCL:L1B:0210:CAV:PMIN |
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R | <SIG>:PMAX | Maximum of <SIG>:PWF | ACCL:L1B:0210:CAV:PMAX |
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R | <SIG>:PWRWF | Signal power waveform | ACCL:L1B:0210:CAV:PWRWF |
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R | <SIG>:PWRMEAN | Mean of <SIG>:PWRWF | ACCL:L1B:0210:CAV:PWRMEAN |
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R | <SIG>:PWRSTD | Standard deviation of <SIG>:PWRWF | ACCL:L1B:0210:CAV:PWRSTD |
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R | <SIG>:PWRRSTD | Standard deviation of <SIG>:PWRWF divided by mean of <SIG>:PWRWF | ACCL:L1B:0210:CAV:PWRRSTD |
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R | <SIG>:PWRMIN | Minimum of <SIG>:PWRWF | ACCL:L1B:0210:CAV:PWRMIN |
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R | <SIG>:PWRMAX | Maximum of <SIG>:PWRWF | ACCL:L1B:0210:CAV:PWRMAX |
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R | <SIG>:IWF | Signal I waveform | ACCL:L1B:0210:CAV:IWF |
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R | <SIG>:QWF | Signal Q waveform | ACCL:L1B:0210:CAV:AWF |
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R | <SIG>:FLTAWF | Fault waveform - signal amplitude | ACCL:L1B:0210:CAV:FLTAWF |
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R | <SIG>:FLTPWF | Fault waveform - signal phase | ACCL:L1B:0210:CAV:FLTPWF |
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Other SRF Waveform Signals: |
R | DF:WF | Detune frequency waveform. Calculated by software from cavity and forward signals. [Hz] | ACCL:L1B:0210:DF:WF |
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R | DF:MEAN | Mean of DF:WF | ACCL:L1B:0210:DF:MEAN |
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R | DF:STD | Standard deviation of DF:WF | ACCL:L1B:0210:DF:STD |
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R | DF:MIN | Minimum of DF:WF | ACCL:L1B:0210:DF:MIN |
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R | DF:MAX | Maximum of DF:WF | ACCL:L1B:0210:DF:MAX |
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R | BW:WF | Cavity bandwidth waveform. Calculated by software from cavity and forward signals. [Hz] | ACCL:L1B:0210:BW:WF |
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R | CTRL:IWF | P/I Controller Output I waveform. Calculated by software from cavity and DAC signals. [% of full scale, range -1 to 1] | ACCL:L1B:0210:CTRL:IWF |
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R | CTRL:QWF | P/I Controller Output Q waveform. Calculated by software from cavity and DAC signals. [% of full scale, range -1 to 1] | ACCL:L1B:0210:CTRL:QWF |
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R | CTRL:AWF | P/I Controller Output amplitude waveform. Calculated by software from cavity and DAC signals. [% of full scale, range -1 to 1] | ACCL:L1B:0210:CTRL:AWF |
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R | CTRL:FLTAWF | Fault waveform - P/I Controller Output amplitude | ACCL:L1B:0210:CTRL:FLTAWF |
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R | CTRL:FLTPWF | Fault waveform - P/I Controller Output phase | ACCL:L1B:0210:CTRL:FLTPWF |
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R/W | ACQ_FLT_DELAY | Fault data trigger control. In % of total waveform data duration. 0% = all data is pre-fault, 100% = all data is post-fault | ACCL:L1B:0210:ACQ_FLT_DELAY |
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Feedback |
R | AMPFB_GAIN_P_RBV | Amplitude feedback proportional gain readback (units not yet determined) | ACCL:L1B:0210:AMPFB_GAIN_P_RBV |
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R/W | AMPFB_GAIN_P | Amplitude feedback proportional gain setting (units not yet determined) | ACCL:L1B:0210:AMPFB_GAIN_P |
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R | AMPFB_GAIN_I_RBV | Amplitude feedback integral gain readback (units not yet determined) | ACCL:L1B:0210:AMPFB_GAIN_I_RBV |
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R/W | AMPFB_GAIN_I | Amplitude feedback integral gain setting (units not yet determined) | ACCL:L1B:0210:AMPFB_GAIN_I |
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R | PHAFB_GAIN_P_RBV | Phase feedback proportional gain readback (units not yet determined) | ACCL:L1B:0210:AMPFB_GAIN_P_RBV |
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R/W | PHAFB_GAIN_P | Phase feedback proportional gain setting (units not yet determined) | ACCL:L1B:0210:AMPFB_GAIN_P |
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R | PHAFB_GAIN_I_RBV | Phase feedback integral gain readback (units not yet determined) | ACCL:L1B:0210:AMPFB_GAIN_I_RBV |
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R/W | PHAFB_GAIN_I | Phase feedback integral gain setting (units not yet determined) | ACCL:L1B:0210:AMPFB_GAIN_I |
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R | AMPFB_HSUM | Amplitude feedback is at upper limit while feedback is active. 0 if true (alarm state), 1 if false (good state) | ACCL:L1B:0210:AMPFB_HSUM |
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R | AMPFB_HSUM | Amplitude feedback is at upper limit while feedback is active. 0 if true (alarm state), 1 if false (good state) | ACCL:L1B:0210:AMPFB_HSUM |
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R | PHAFB_LSUM | Phase feedback is at lower limit while feedback is active. 0 if true (alarm state), 1 if false (good state) | ACCL:L1B:0210:PHAFB_LSUM |
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R | PHAFB_HSUM | Phase feedback is at upper limit while feedback is active. 0 if true (alarm state), 1 if false (good state) | ACCL:L1B:0210:PHAFB_HSUM |
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