= KAGRA VIS Operations Manual - BS Suspension Data Reference = <> == Stepper Motor Info == ||Type ||Manufacturer ||Model ||Color code (A1/A2//B1/B2) ||Coil Ω @Motor ||Coil Ω @Connector ||@Flange || ||GAS Vertical ||Arun Microelectronics (AML) ||D42.2-HX ||green/grey//black/white ||5.5Ω ||7.1Ω ||9.4Ω || ||PI Yaw ||Phytron ||VSS 25.200.0.6 ||yellow/red//blue/green ||5.2Ω || || || ||PI Horizontal ||?? ||?? || ||7Ω || || || ||Stepper ||Controller ||Channel ||Effect of "Left" Cmd || ||BF GAS ||[[http://10.68.150.50|10.68.150.50]] ||0 ||Keystone Up || ||SF GAS ||[[http://10.68.150.50|10.68.150.50]] ||1 ||Keystone Up || ||F0 GAS ||[[http://10.68.150.50|10.68.150.50]] ||2 ||Keystone Up || ||PI H1 ||[[http://10.68.150.51|10.68.150.51]] ||0 ||IP Clockwise || ||PI H2 ||[[http://10.68.150.51|10.68.150.51]] ||1 ||IP Clockwise || ||PI H3 ||[[http://10.68.150.51|10.68.150.51]] ||2 ||IP Clockwise || ||PI Yaw ||[[http://10.68.150.51|10.68.150.51]] ||3 ||SF/... Clockwise || <> == Pico Info == ||Pico ||Controller ||Channel ||Colors ||Effect of "+" Cmd || ||IM_PIT ||[[http://10.68.150.16|10.68.150.16]]=BS_IM ||1 ||red/white ||FWD = beam up, negative pitch; 100 steps per µrad || ||IM_ROL ||[[http://10.68.150.16|10.68.150.16]]=BS_IM ||2 ||red/white ||FWD = positive roll; comparable sensitivity to pitch || ||IM_YAW ||[[http://10.68.150.16|10.68.150.16]]=BS_IM ||3 ||red/white ||FWD = IM clockwise, negative yaw; 6 steps per µrad || ||BF_1 ||[[http://10.68.150.17|10.68.150.17]]=BS_BF ||1 ||red/white || || ||BF_2 ||[[http://10.68.150.17|10.68.150.17]]=BS_BF ||2 ||red/white || || <> == LVDT Info == <> === LVDT Coil Infor === Note: As 2017-05-30, the Primary and Secondary of the PI Horizontal LVDTs are swapped relative to the table. ||Type ||Primary/Single/IN/1-6 ||Secondary/Double/OUT/2-7 ||Actuation/ACT/3-8 ||Gain Resistor ||Locked Counts ||Sign || ||GAS BF Vertical ||AWG36, 187Ω, 38 mH ||AWG32, 78Ω, 9.5 mH ||AWG32, 110Ω, 74 mH ||165.5Ω || ||+1 || ||GAS SF Vertical ||99.5Ω || ||+1 || ||GAS F0 Vertical ||98.5Ω || ||+1 || ||PI Horizontal 1 ||250 Ω ||320 Ω ||155 Ω ||100Ω ||-1000 ||-1 || ||PI Horizontal 2 ||100Ω ||1000 ||+1 || ||PI Horizontal 3 ||100Ω ||1000 ||+1 || <> == OSEM Info == ||Location ||LED V ||PD V ||Coil Ω ||Coil Ω @Type 5 ||Coil Ω @Type5+3 || ||RM ||- ||- ||11.3 ||14.8 || || ||IRM ||1.051 ||0.47 ||11.3 ||14.8 || || ||Position ||Serial ||klog || ||IM H1 ||27 ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2133|2133]] || ||IM H2 ||28 ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2133|2133]] || ||IM H3 ||29 ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2133|2133]] || ||IM V1 ||30 ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2133|2133]] || ||IM V2 ||31 ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2133|2133]] || ||IM V3 ||32 ||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=2133|2133]] || <> == Magnet Info == ||Location ||Size (mm) ||Number ||Material || ||--(BS (Old))-- ||--(3xØ6)-- ||--(4)-- ||--(NdFeB)-- || ||BS (New) ||3xØ2 ||4 ||SmCo || ||IM ||10xØ10 ||2x6 ||NdFeB?? || ||SR Damper ||10x10x12 ||72 ||NdFeB?? || ||LBB Damper ||10x10x12 ||48 ||NdFeB?? || <> == Gas Filter Info == === Test Hang === ||Stage ||f (Hz) ||klog ||m (kg) ||klog ||k (N/m) ||klog ||kFR (N/m) ||klog || ||SF ||0.44 ||2699 || || || || || || || === Final Hang === ||Stage ||f (Hz) ||klog ||m (kg) ||klog ||k (N/m) ||klog ||kFR (N/m) ||klog || ||F0 ||(.208+.210)/2=0.209 ||3385 || || || || || || || ||SF ||0.425 ||3376 || || || || || || || ||BF ||(0.443+0.454)/2=0.4485 ||3385 || || || || || || || == GAS filter suitable positions == The beam splitter is flat, therefore the failure of putting F1 to zero is not important. ||'''Filter'''||'''LVDT readout (µm)'''||'''klog'''||'''Notes'''|| ||'''F0'''||0|| || || ||'''F1'''||488||[[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8488|8488]]||The fishing rod does not pull down further than approximately 430 µm in vacuum.|| ||'''BF'''||0|| ||We require the IM-V OSEM flags to be at the correct position.|| == Optimum Temperature == See klog [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=7420|7420]].