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Size: 1947
Comment:
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Size: 2388
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 2: | Line 2: |
| <<Anchor(lvdt)>> | |
| Line 3: | Line 4: |
| <<Anchor(lvdt)>> | |
| Line 6: | Line 6: |
| Line 8: | Line 9: |
| ||Type||Primary/Single/IN/1-6||Secondary/Double/OUT/2-7||Actuation/ACT/3-8|| ||GAS Vertical||AWG36, 187Ω, 38 mH||AWG32, 78Ω, 9.5 mH||AWG32, 110Ω, 74 mH|| ||PI Horizontal||250 Ω||320 Ω||155 Ω|| |
||Type ||Primary/Single/IN/1-6 ||Secondary/Double/OUT/2-7 ||Actuation/ACT/3-8 || ||GAS Vertical ||AWG36, 187Ω, 38 mH ||AWG32, 78Ω, 9.5 mH ||AWG32, 110Ω, 74 mH || ||PI Horizontal ||250 Ω ||320 Ω ||155 Ω || |
| Line 14: | Line 18: |
| Line 15: | Line 20: |
| Original box for SRM: ||LVDT Driver S.N. ||Left card ||Stage ||Resistor value [ohm] ||Reference Signal ||Gain ||Right card ||Stage ||Resistor value [ohm] ||Reference Signal ||Gain || ||<style="text-align:center" |4>SRM: SN 1807786 ||R0 ||BF GAS ||60.6 ||5.04 Vpp ||5.04/5.04 = 1.0 ||R0 ||PI LVDT#1 ||50.0 ||5.0 Vpp ||5.0/5.04 = 0.992 || ||R1 ||SF GAS ||60.1 ||4.96 Vpp ||4.96/5.04 = 0.984 ||R1 ||PI LVDT#2 ||50.0 ||4.92 Vpp ||4.92/5.04 = 0.976 || ||R2 ||F0 GAS ||60.7 ||4.96 Vpp ||4.96/5.04 = 0.984 ||R2 ||PI LVDT#3 ||50.5 ||4. Vpp ||5.0/5.04 = 0.992 || ||R3 ||Not used ||61.2 ||4.94 Vpp ||4.94/5.04 = 0.98 ||R3 ||Not used ||50.8 ||4. Vpp ||4.9/5.04 = 0.972 || |
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| Line 16: | Line 27: |
| Original box for SRM: | |
| Line 18: | Line 28: |
| ||LVDT Driver S.N. ||Left card ||Stage ||Resistor value [ohm] ||Reference Signal || Gain ||Right card ||Stage ||Resistor value [ohm] ||Reference Signal || Gain || ||<|4> SRM: SN 1807786 ||R0 ||BF GAS ||60.6 ||5.04 Vpp || 5.04/5.04 = 1.0 ||R0 ||PI LVDT#1 ||50.0 || 5.0 Vpp || 5.0/5.04 = 0.992 || ||R1 ||SF GAS ||60.1 ||4.96 Vpp || 4.96/5.04 = 0.984 ||R1 ||PI LVDT#2 ||50.0 ||4.92 Vpp || 4.92/5.04 = 0.976 || ||R2 ||F0 GAS ||60.7 ||4.96 Vpp || 4.96/5.04 = 0.984 ||R2 ||PI LVDT#3 ||50.5 ||4. Vpp || 5.0/5.04 = 0.992 || ||R3 ||Not used ||61.2 ||4.94 Vpp || 4.94/5.04 = 0.98 ||R3 ||Not used ||50.8 ||4. Vpp || 4.9/5.04 = 0.972 || |
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| Line 25: | Line 31: |
| ||LVDT Driver S.N. ||Left card ||Stage ||Resistor value [ohm] ||Reference Signal ||Gain ||Right card ||Stage ||Resistor value [ohm] ||Reference Signal ||Gain || ||<style="text-align:center" |4>SRM: SN 1403020 ||R0 ||BF GAS ||60.2 ||- Vpp ||- = - ||R0 ||PI LVDT#1 ||50.4 ||- Vpp ||- = - || ||R1 ||SF GAS ||60.1 ||- Vpp ||- = - ||R1 ||PI LVDT#2 ||50.3 ||- Vpp ||- = - || ||R2 ||F0 GAS ||60.7 ||- Vpp ||- = - ||R2 ||PI LVDT#3 ||50.3 ||- Vpp ||- = - || ||R3 ||Not used ||61.0 ||- Vpp ||- = - ||R3 ||Not used ||50.2 ||- Vpp ||- = - || |
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| Line 26: | Line 37: |
| ||LVDT Driver S.N. ||Left card ||Stage ||Resistor value [ohm] ||Reference Signal || Gain ||Right card ||Stage ||Resistor value [ohm] ||Reference Signal || Gain || ||<|4> SRM: SN 1403020 ||R0 ||BF GAS ||60.2 || - Vpp || - = - ||R0 ||PI LVDT#1 ||50.4 || - Vpp || - = - || ||R1 ||SF GAS ||60.1 || - Vpp || - = - ||R1 ||PI LVDT#2 ||50.3 ||- Vpp || - = - || ||R2 ||F0 GAS ||60.7 || - Vpp || - = - ||R2 ||PI LVDT#3 ||50.3 ||- Vpp || - = - || ||R3 ||Not used ||61.0 || - Vpp || - = - ||R3 ||Not used ||50.2 ||- Vpp || - = - || |
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| Line 34: | Line 43: |
| ||Stage||f (Hz)||klog||m (kg)|| klog|| k (N/m)||klog||kFR (N/m)||klog|| ||F0||0.56||6886|| || || || || || || ||SF||0.38||6886|| || || || || || || ||BF||0.45||6886|| || || || || || || |
||Stage ||f (Hz) ||klog ||m (kg) ||klog ||k (N/m) ||klog ||kFR (N/m) ||klog || ||F0 ||0.56 ||6886 || || || || || || || ||SF ||0.38 ||6886 || || || || || || || ||BF ||0.45 ||6886 || || || || || || || GAS filters suitable positions ||<tablewidth="765px" tableheight="151px">Filter||'''LVDT readout (µm)'''||'''klog'''||'''Notes'''|| ||F0||-1600||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7740|7740]]||I couldn't find a klog. I wrote it in the notebook. I'll write a klog.|| ||F1||0|| || || ||BF||0|| ||We require the IM-V OSEM flags to be at the correct position.|| |
KAGRA VIS Operations Manual - SRM Suspension Data Reference
LVDT Info
LVDT Coil Info
Copied from BS - check!
Type |
Primary/Single/IN/1-6 |
Secondary/Double/OUT/2-7 |
Actuation/ACT/3-8 |
GAS Vertical |
AWG36, 187Ω, 38 mH |
AWG32, 78Ω, 9.5 mH |
AWG32, 110Ω, 74 mH |
PI Horizontal |
250 Ω |
320 Ω |
155 Ω |
LVDT Coil Info
LVDT Driver Info
Original box for SRM:
LVDT Driver S.N. |
Left card |
Stage |
Resistor value [ohm] |
Reference Signal |
Gain |
Right card |
Stage |
Resistor value [ohm] |
Reference Signal |
Gain |
SRM: SN 1807786 |
R0 |
BF GAS |
60.6 |
5.04 Vpp |
5.04/5.04 = 1.0 |
R0 |
PI LVDT#1 |
50.0 |
5.0 Vpp |
5.0/5.04 = 0.992 |
R1 |
SF GAS |
60.1 |
4.96 Vpp |
4.96/5.04 = 0.984 |
R1 |
PI LVDT#2 |
50.0 |
4.92 Vpp |
4.92/5.04 = 0.976 |
|
R2 |
F0 GAS |
60.7 |
4.96 Vpp |
4.96/5.04 = 0.984 |
R2 |
PI LVDT#3 |
50.5 |
4. Vpp |
5.0/5.04 = 0.992 |
|
R3 |
Not used |
61.2 |
4.94 Vpp |
4.94/5.04 = 0.98 |
R3 |
Not used |
50.8 |
4. Vpp |
4.9/5.04 = 0.972 |
New box for SRM. Adjusting the potentiometers to have the same values:
LVDT Driver S.N. |
Left card |
Stage |
Resistor value [ohm] |
Reference Signal |
Gain |
Right card |
Stage |
Resistor value [ohm] |
Reference Signal |
Gain |
SRM: SN 1403020 |
R0 |
BF GAS |
60.2 |
- Vpp |
- = - |
R0 |
PI LVDT#1 |
50.4 |
- Vpp |
- = - |
R1 |
SF GAS |
60.1 |
- Vpp |
- = - |
R1 |
PI LVDT#2 |
50.3 |
- Vpp |
- = - |
|
R2 |
F0 GAS |
60.7 |
- Vpp |
- = - |
R2 |
PI LVDT#3 |
50.3 |
- Vpp |
- = - |
|
R3 |
Not used |
61.0 |
- Vpp |
- = - |
R3 |
Not used |
50.2 |
- Vpp |
- = - |
Filter Info
Stage |
f (Hz) |
klog |
m (kg) |
klog |
k (N/m) |
klog |
kFR (N/m) |
klog |
F0 |
0.56 |
6886 |
|
|
|
|
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|
SF |
0.38 |
6886 |
|
|
|
|
|
|
BF |
0.45 |
6886 |
|
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|
GAS filters suitable positions
Filter |
LVDT readout (µm) |
klog |
Notes |
F0 |
-1600 |
I couldn't find a klog. I wrote it in the notebook. I'll write a klog. |
|
F1 |
0 |
|
|
BF |
0 |
|
We require the IM-V OSEM flags to be at the correct position. |