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chara:pavo_user_manual [2018/07/06 10:39] jones [12.6 Large Jump in Image Position] |
chara:pavo_user_manual [2018/07/06 10:59] jones [14 Index] |
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- | Next: [[#Homing-the-lenslet-stage-_0028motor-1_0029|Homing the lenslet stage (motor 1)]], Previous: [[#LDCs-won_0027t-Home|LDCs won't Home]], Up: [[# | + | Next: [[#Homing_the_lenslet_stage_motor_1|Homing the lenslet stage (motor 1)]], Previous: [[#LDCs_won_t_Home|LDCs won't Home]], Up: [[# |
==== 12.8 Using PAVO with Secondary OPLE and Secondary Cosmic Debris ==== | ==== 12.8 Using PAVO with Secondary OPLE and Secondary Cosmic Debris ==== | ||
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- | Next: [[#If-you-need-to-home-only-one-of-the-PAVO-motors|If you need to home only one of the PAVO motors]], Previous: [[#Using-PAVO-with-Secondary-OPLE-and-Secondary-Cosmic-Debris|Using PAVO with Secondary OPLE and Secondary Cosmic Debris]], Up: [[# | + | Next: [[#If_you_need_to_home_only_one_of_the_PAVO_motors|If you need to home only one of the PAVO motors]], Previous: [[#Using_PAVO_with_Secondary_OPLE_and_Secondary_Cosmic_Debris|Using PAVO with Secondary OPLE and Secondary Cosmic Debris]], Up: [[# |
==== 12.9 Homing the lenslet stage (motor 1) ==== | ==== 12.9 Homing the lenslet stage (motor 1) ==== | ||
The zaber motor for the lenslet stage can get stuck while homing. This used to hang up the PAVO server while homing motor 1 during the zzero sequence. As of December 2015, Mike updated the PAVO code so that the zzero process skips the homing of motor 1. However, it still moves the stage to 0 and sends it to the last correct position. Therefore, it is important that motor 1 is “homed” and has a realistic 0 position before running the zzero procedure. | The zaber motor for the lenslet stage can get stuck while homing. This used to hang up the PAVO server while homing motor 1 during the zzero sequence. As of December 2015, Mike updated the PAVO code so that the zzero process skips the homing of motor 1. However, it still moves the stage to 0 and sends it to the last correct position. Therefore, it is important that motor 1 is “homed” and has a realistic 0 position before running the zzero procedure. | ||
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- | Next: [[#No-light-in-the-pupil-plane|No light in the pupil plane]], Previous: [[#Homing-the-lenslet-stage-_0028motor-1_0029|Homing the lenslet stage (motor 1)]], Up: [[# | + | Next: [[#No_light_in_the_pupil_plane|No light in the pupil plane]], Previous: [[#Homing_the_lenslet_stage_motor_1|Homing the lenslet stage (motor 1)]], Up: [[# |
==== 12.10 If you need to home only one of the PAVO motors ==== | ==== 12.10 If you need to home only one of the PAVO motors ==== | ||
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- | Next: [[#PAVO-Server-_002d-Error-communicating-with-IFW|PAVO Server - Error communicating with IFW]], Previous: [[#If-you-need-to-home-only-one-of-the-PAVO-motors|If you need to home only one of the PAVO motors]], Up: [[# | + | Next: [[#PAVO_Server_-_Error_communicating_with_IFW|PAVO Server - Error communicating with IFW]], Previous: [[#If_you_need_to_home_only_one_of_the_PAVO_motors|If you need to home only one of the PAVO motors]], Up: [[# |
==== 12.11 No light in the pupil plane ==== | ==== 12.11 No light in the pupil plane ==== | ||
The pupil location saved in the pavo_zaber_positions file is not currently set to view the pupil. We found that the position of the zaber mount needed to view the pupil will either send the lenslet stage to a position where the imaging lens hits the side of the camera box cover or that the zaber stage extends so far out that it goes to a bad position. When this happens, the zaber stage will lose home and mess up the LENSLET and IMAGE positions. To avoid this we set the pupil position to a location where the mount for the imaging lens blocks all light from hitting the detector (so as not to confuse observers who might accidentally try to align using the pupil position). If the pupil (without the lenslet in) needs to be viewed, then this position will need to adjusted. The last recorded pupil position was 577,549; this would allow one to view about half of the pupil. The blocked pupil position is currently defined as 350,000. | The pupil location saved in the pavo_zaber_positions file is not currently set to view the pupil. We found that the position of the zaber mount needed to view the pupil will either send the lenslet stage to a position where the imaging lens hits the side of the camera box cover or that the zaber stage extends so far out that it goes to a bad position. When this happens, the zaber stage will lose home and mess up the LENSLET and IMAGE positions. To avoid this we set the pupil position to a location where the mount for the imaging lens blocks all light from hitting the detector (so as not to confuse observers who might accidentally try to align using the pupil position). If the pupil (without the lenslet in) needs to be viewed, then this position will need to adjusted. The last recorded pupil position was 577,549; this would allow one to view about half of the pupil. The blocked pupil position is currently defined as 350,000. | ||
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- | Previous: [[#No-light-in-the-pupil-plane|No light in the pupil plane]], Up: [[# | + | Previous: [[#No_light_in_the_pupil_plane|No light in the pupil plane]], Up: [[# |
==== 12.12 PAVO Server - Error communicating with IFW ==== | ==== 12.12 PAVO Server - Error communicating with IFW ==== | ||
The following error message sometimes appears when starting the PAVO server: "Error communicating with IFW. Could not read from IFW. Is the filter wheel plugged in and on?" Most of the time, restarting the PAVO server will clear this error message and allow PAVO to communicate with the filter wheel. If restarting the server doesn’t help, then check that the cables going into the small, black IFW box on the PAVO table and into the back of the PAVO computer are plugged in securely. | The following error message sometimes appears when starting the PAVO server: "Error communicating with IFW. Could not read from IFW. Is the filter wheel plugged in and on?" Most of the time, restarting the PAVO server will clear this error message and allow PAVO to communicate with the filter wheel. If restarting the server doesn’t help, then check that the cables going into the small, black IFW box on the PAVO table and into the back of the PAVO computer are plugged in securely. | ||
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- | Next: [[# | + | Next: [[# |
===== 13 Random and Important Notes ===== | ===== 13 Random and Important Notes ===== | ||
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- | Previous: [[#Random-and-Important-Notes|Random and Important Notes]], Up: [[# | + | Previous: [[#Random_and_Important_Notes|Random and Important Notes]], Up: [[# |
===== 14 Index ===== | ===== 14 Index ===== | ||
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