Diff for "KAGRA/Observation/iKAGRA/Manual/VIS"

Differences between revisions 3 and 4

Mode Cleaner Suspensions

Each MC suspension has 4 coils and 2 pico-motors (pitch, yaw).

PR3

ETM

Each iKAGRA ETM suspension has 4 coils and 4 pico-motors connected. If the coil-magnet actuator seems to have a problem, please check 2 things. 1. Coil drivers in particular for Y-end had a loose connection with power line (-18V, -15V). Please check the LED on coil driver. If the LED is out, try to fasten the power line. 2. Sometimes watchdog? system stop the output current from the coil driver in order to protect mechanical system.

KAGRA/Observation/iKAGRA/Manual/VIS (last edited 2016-03-24 17:13:06 by AyakaShoda)

-  ⇤ ← Revision 3 as of 2016-02-21 13:50:00 → 
  Size: 93
  Editor: NaokoOhishi
  Comment:
+   ← Revision 4 as of 2016-02-21 14:01:50 → ⇥
  Size: 579
  Editor: NaokoOhishi
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-=== Check list ===
+=== Mode Cleaner Suspensions ===
Each MC suspension has 4 coils and 2 pico-motors (pitch, yaw).
-Line 3:
+Line 4:
- *
+=== PR3 ===
-Line 5:
+Line 6:
-=== In the case of VIS/subsystem failure or emergency ===
 Line 7:
- *
+=== ETM ===

Each iKAGRA ETM suspension has 4 coils and 4 pico-motors connected. 
If the coil-magnet actuator seems to have a problem, please check 2 things.
1. Coil drivers in particular for Y-end had a loose connection with power line (-18V, -15V). 
Please check the LED on coil driver. If the LED is out, try to fasten the power line.
2. Sometimes watchdog? system stop the output current from the coil driver in order to 
protect mechanical system.