Differences

This shows you the differences between two versions of the page.

--- ice:commands:peaklock [2014/07/15 21:41] – fixed typo on EvtLOff having extra question mark. Ben Luey
+++ ice:commands:peaklock [2018/11/27 01:33] – Michael Radunsky
@@ Line 1: / Line 1: @@
 ====== Peak Lock and Current Controller Command Set ======
-List of commands for the ICE Quad Temperate Controller. Please see [[ice:commands:lasercurrent|Common Laser Controller Command Set]] for commands relating to the laser controller.
+List of commands for the ICE Peak Lock Servo. Please see [[ice:commands:lasercurrent|Common Laser Controller Command Set]] for commands relating to the laser controller.
 <function=ICEfunc|0=Phase?&2=58&3=32>
@@ Line 69: / Line 69: @@
 <function=ICEfunc|0=OpOffst&1=I:OFFSET:142;&2=142&3=46>
-Sets the Integrator Op-Amp’s Offset Voltage adjustment value. This should be factory set, but it controls the DC Error Input voltage that the servo locks to (should be 0V) OFFSET is an integer from 0-255. Returns the output of the command **OpOffst?**.
+Sets the Integrator Op-Amp’s Offset Voltage adjustment value. This should be factory set and typically should be set to 128, but it controls the DC Error Input voltage that the servo locks to (should be 0V) OFFSET is an integer from 0-255. Returns the output of the command **OpOffst?**.
 <html></div></html>
@@ Line 98: / Line 98: @@
 <function=ICEfunc|0=RampSwp&1=F:VOLTAGE:2.64&2=2.65&3=52>
-Writes the sweep range (in volts) for the ramp.  Range is from -10V to +10V. Returns the output from the command **RampSwp?**.\\
+Writes the sweep range (in volts) for the ramp.  Range is from 0V to +10V. Returns the output from the command **RampSwp?**. The ramp will step from SvOffst - RampSwp/2 to SvOffst + RampSwp/2 by increments determined by RampSwp and RampNum and then return to SvOffst every time a RampRun command is initiated.\\
 \\
 //Note: RampSwp value is rounded and truncated to match range of the servo offset. //
@@ Line 111: / Line 111: @@
 <function=ICEfunc|0=RampNum&1=I:NUMBER:100&2=100&3=54>
-Sets the number of data points to be acquired during the ramp. Number of data points is also the number of steps for the ramp. Number of data points to calculated by the following formula:
+Sets the number of data points to be acquired during the ramp. Number of data points is also the number of steps for the ramp.
 <html></div></html>
 <function=ICEfunc|0=RampRun&2=Busy&3=55>
-Begins ramping the servo output and taking data according to the values set for **RampInc**, **RampBeg**, and **RampEnd** as described above. Data can be retrieved with the **ReadBlk** command. Board will not respond to any new commands while taking data. Returns status of execution of the ramp, either Busy or Finished. Returns fault if ramp is misconfigured. See **RampNum?** for details. Returns fail if laser is off. At end of ramp, servo output is set to **RampBeg** value.
+Begins ramping the servo output and taking data according to the values set for **RampSwp** and **SvOffst** as described above. The Ramp begins at SvOffst - RampSwp/2 and ends of SvOffst + RampSwp/2. When the ramp is completed, the servo output is returned to its starting value of SvOffst. Data can be retrieved with the **ReadBlk** command. Board will not respond to any new commands while taking data. Returns status of execution of the ramp, either Busy or Finished. Returns fault if ramp is misconfigured. See **RampNum?** for details. Returns fail if laser is off.
 <html></div></html>
 <function=ICEfunc|0=Poles?&2=3 0&3=56>
-Returns two columns of data. First column is a number 1-5 representing the integrator pole value. (1 = slowest integrator, 5 = fastest). The second column is a 0 when the differential pole is off and a 1 when it is on.
+Returns two columns of data. First column is a number 1-5 representing the integrator pole value. Values are 3 kHz, 10 kHz, 30 kHz, 100 kHz and 300 kHz. 1 is the slowest integrator (3 kHz) and 5 is fastest integrator (300 kHz). The second column is a 0 when the differential pole is off and a 1 when it is on. When differential is on, the pole is ~3 times the integrator pole. So if PI pole is 30 kHz, the differential pole is 100 kHz.
 <html></div></html>