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Essential PVs:
Each device has a prefix which matches including the device name , i.e MR1L0:and fungible term. Fungible terms can be found here: Device Names
Ex: MR1L0:HOMS, MR2L0:HOMS, MR1K4:SOMS
Axis
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Setpoint/
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Readback Suffixes:
| Suffix | Description |
|---|---|
| :MMS:YUP (:MMS:YLEFT for MR1K2) | Yup (Yleft for MR1K2) User Setpoint |
| :MMS:YUP.RBV (:MMS:YLEFT.RBV for MR1K2) | Yup (Yleft for MR1K2) User Readback |
| :MMS:YDWN (:MMS:YRIGHT for MR1K2) | Ydwn (Yright for MR1K2) User Setpoint |
| :MMS:YDWN.RBV (:MMS:YRIGHT.RBV for MR1K2) | Ydwn (Yright for MR1K2) User Readback |
| :MMS:XUP | Xup User Setpoint |
| :MMS:XUP.RBV | Xup User Readback |
| :MMS:XDWN | Xdwn User Setpoint |
| :MMS:XDWN.RBV | Xdwn User Readback |
| :MMS:PITCH | Pitch User Setpoint |
| :MMS:PITCH.RBV | Pitch User Readback |
| :MMS:BENDER | Bender User Setpoint |
| :MMS:BENDER.RBV | Bender User Readback |
- i.e a complete PV for MR2L0's pitch readback would be:
MR2L0:HOMS:MMS:PITCH.RBV- Note: one can specify the precision returned by
cagetusing-f <N>, where<N>is the desired number of decimal places, i.e$ caget -f 5 MR2L0:HOMS:MMS:PITCH.RBV
- Note: one can specify the precision returned by
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Encoder
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Readback Suffixes:
The PLC pushes encoder arrays of 1000 elements sampled at 1 kHz for each upstream (master) axis' actual position readback to epics. The mean, standard deviation, rms deviation from the setpoint, and the entire array itself are accessible from the following PVs:
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Overview
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