Differences between revisions 1 and 17 (spanning 16 versions)
Revision 1 as of 2014-10-28 13:30:16
Size: 663
Editor: YoichiAso
Comment:
Revision 17 as of 2014-11-10 11:23:31
Size: 2810
Editor: NaokoOhishi
Comment:
Deletions are marked like this. Additions are marked like this.
Line 3: Line 3:
Assigned to Aso [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2968|Drawing]]

Green lines represent cabling.

MC REFL optical table: PD, QPD<<BR>> Around MCi, MCe chambers: !OpLev <<BR>> MC rack: I-Q demodulators, MC board, MC RTS computer, Coil drivers, Picomotor Drivers<<BR>> Laser room: TTFSS box, AOM

Questions<<BR>> Where to put TTFSS ? Do we need a rack inside the laser room ?
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Interface between RTS and MC suspensions Use 4ch I-Q demodulators for the moment. [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2413|JGW-D1402413]]

Necessary channels: 1ch for Length PD, 8ch for WFS QPDs.
||<tablewidth="833px" tableheight="200px"> ||Qty ||Interface ||Size ||Location ||Description ||
||4ch I-Q demod ||3 ||SMA, BNC(monitor) ||1U ||MC rack || ||
||Coax. cables ||9 ||BNC->SMA ||10m? || || ||
||Power cables ||3 || ||1m|| || ||


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→ [[https://dcc.ligo.org/LIGO-D1002416/public|LIGO-D1002416-v5]](pole/zeroの位置は適宜調整されている可能性あり。参考: [[https://dcc.ligo.org/LIGO-D040180/public|LIGO-D040180]](回路図)、[[https://dcc.ligo.org/LIGO-E1200177/public|LIGO-E1200177]](LIGOでの変更履歴))
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→ なさそう。
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→ SMBとSMCは必要(参照: [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=2941|JGW-T1402941]])。
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→ MC board: [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=2941|JGW-T1402941]] (配線図あり)

→ TTFSS: [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2963|JGW-G1402963]] (配線図あり)
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 * Cables (Type, Number, Length)
 * Picomotor (Driver, Software)
ToCoilDriver
||Type || Number||Length||
||RTS - Coil Driver(LEMO) ||9 =(length, pitch, yaw)×3MCSs ||?m×6(MCI, MCO), ?m×3(MCE)||
||Coil Driver - Feed through(BNC)||12 (=4coils×3MCSs)||? a few m||
||Feed through - Coil(BNC)|| 12 (=4coils×3MCSs)||3m||
ToPicoMotor
||Picomotor Driver(LAN cable)||6||?m||
||Picomotor Driver(LAN port) - Feed through(Burndy)||?||?m||
||Feed through - MCSs(Burndy)||3 || 3m||

Reference
1. http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DGS/Projects/PicoMotor

2. http://gwclio.icrr.u-tokyo.ac.jp/lcgtsubgroup/vibrationisolation/2014/10/picomotor-controls-by-epics-at-payload-prototype-test.html

3. http://gwclio.icrr.u-tokyo.ac.jp/lcgtsubgroup/digitalsys

Input Mode Cleaner Hardware

Location of the servo components

Drawing

Green lines represent cabling.

MC REFL optical table: PD, QPD
Around MCi, MCe chambers: OpLev
MC rack: I-Q demodulators, MC board, MC RTS computer, Coil drivers, Picomotor Drivers
Laser room: TTFSS box, AOM

Questions
Where to put TTFSS ? Do we need a rack inside the laser room ?

Demodulator

Assigned to Aso

Use 4ch I-Q demodulators for the moment. JGW-D1402413

Necessary channels: 1ch for Length PD, 8ch for WFS QPDs.

Qty

Interface

Size

Location

Description

4ch I-Q demod

3

SMA, BNC(monitor)

1U

MC rack

Coax. cables

9

BNC->SMA

10m?

Power cables

3

1m

MC board

Assigned to Michimura and Nakano

  • LIGOの回路図を見て,機能ブロック図を描く

→ LIGO-D1002416-v5(pole/zeroの位置は適宜調整されている可能性あり。参考: LIGO-D040180(回路図)、LIGO-E1200177(LIGOでの変更履歴))

  • KAGRAで必要な修正点はあるか?

→ なさそう。

  • AOMとの接続は単なるBNCケーブル?

→ SMBとSMCは必要(参照: JGW-T1402941)。

Interface between MC board and RTS

Assigned to Michimura and Nakano

  • Cables (Type, Number, Length)

→ MC board: JGW-T1402941 (配線図あり)

→ TTFSS: JGW-G1402963 (配線図あり)

Interface between RTS and MC suspensions

Assigned to Ohishi, Saito, Miyakawa

ToCoilDriver

Type

Number

Length

RTS - Coil Driver(LEMO)

9 =(length, pitch, yaw)×3MCSs

?m×6(MCI, MCO), ?m×3(MCE)

Coil Driver - Feed through(BNC)

12 (=4coils×3MCSs)

? a few m

Feed through - Coil(BNC)

12 (=4coils×3MCSs)

3m

ToPicoMotor

Picomotor Driver(LAN cable)

6

?m

Picomotor Driver(LAN port) - Feed through(Burndy)

?

?m

Feed through - MCSs(Burndy)

3

3m

Reference 1. http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DGS/Projects/PicoMotor

2. http://gwclio.icrr.u-tokyo.ac.jp/lcgtsubgroup/vibrationisolation/2014/10/picomotor-controls-by-epics-at-payload-prototype-test.html

3. http://gwclio.icrr.u-tokyo.ac.jp/lcgtsubgroup/digitalsys

KAGRA/Subgroups/IOO/MC/IMCServoHardware (last edited 2015-01-05 14:03:11 by YutaMichimura)