Contents
MS/PRL main screen
Location: lclshome (SC) --> RF/Global --> Phase Reference Line
RF Reference (MO Locker)
Location: lclshome (SC) --> RF/Global --> Phase Reference Line
Description: Frequency counter and MO locker matlab script
- Freq locker Enable/Disable button should be set to "Enable"
- MO freq setpoint should be 162.5 MHz
- MO freq error should be < ~1 Hz
- Matlab script LED should be green
- All PVs should be in NO_ALARM state
- For help, refer to Troubleshooting page
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PRL Loops
Location: lclshome (SC) --> RF/Global --> Phase Reference Line --> L0-L1 PRL Loop...(etc.)
Description: Phase Reference Line feedback loops
- ADC Ampl = ON, Error = OFF, Lock = ON
- LED PV should read "101: Locked"
- Tx/Rx frame rates should be ~5000'
- Loop Lock Disable should be "Enabled"
- All PVs should be in NO_ALARM state
- For help, refer to Troubleshooting page
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PRL Amps/Attenuators
Location: lclshome (SC) --> RF/Global --> Phase Reference Line --> L0-L1 VCO Amp...(etc.)
Description: Phase Reference Line power amplifiers and digital attenuators
- Fault status and status message should be "OK"
- Amp alarms should read "OK"
- Setpt. RBV should read "At target"
- Amp Reset should be in "Standby"
- For help, refer to Troubleshooting page
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Amp/Attenuator Expert Screen
Location: lclshome (SC) --> RF/Global --> Phase Reference Line --> L0-L1 VCO Amp...(etc.) --> Expert...
Description: Power amplifier and digital attenuator expert controls
Water/Temp/Misc
Location: lclshome (SC) --> RF/Global --> Phase Reference Line
Description: Beckhoff low-level displays, rack water & temperature, PDUs for amp AC power etc.
- Occassionally PDU alarm PVs will be INVALID (purple) because of a hardware problem. This should not affect PRL functionality.
- All other PVs should be in NO_ALARM state
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