aLIGO SEI (Seismic) Sensor (Sensors) and Actuator (Actuators) Electronics Chains

Document #:

LIGO-D1001575-v9

Document type:

D - Drawings

Abstract:

Simple schematic showing the readout chain for every sensor and actuator all active seismic systems for aLIGO: BSC-ISI, HAM-ISI, and HEPI. Also includes the HAM-ISI Test Stand

Files in Document:

• aLIGO_SEI_SensorActuatorCalibration-v9.pdf (538.5 kB)

Other Files:

• aLIGO_SEI_SensorActuatorCalibration-v9.graffle (1.3 MB)

ICS/JIRA Record:

• ICS_LINK

Topics:

• Seismic Isolation
• Commissioning
• Assembly
• Final Design

Authors:

• Jeffrey Kissel

Keywords:

HEPI HAM BSC ISI SEI Sensors Sensor aLIGO Calibration

Notes and Changes:

- Corrected the missing zeros in the large and small ISI actuator response
- Added the HEPI pressure sensor signal chain
- Added the HEPI actuator chain (as best I understand it)

THERE is an ERROR in V1-V9:
The CPS whitening filter is not correct. It should be
[0.1447; 1.5917; +1] - Notes to follow ASAP, B. Lantz

Related Documents:

• LIGO-D0902742: aLIGO HAM GS-13 Interface Board (Obsolete)
• LIGO-D070164: ISI Interface Chassis - Block Diagram
• LIGO-D0902742: aLIGO HAM GS-13 Interface Board (Obsolete)
• LIGO-D1000067: aLIGO HAM ISI Interface Chassis
• LIGO-D070081: AdL AA and AI Filter Board (65 kHz)
• LIGO-D1000757: L4C Interface (Obsolete)
• LIGO-D040019: STS-2 Interface Board
• LIGO-D080521: HEPI Pier Interface Schematic and PCB
• LIGO-D1000749: Trillium 240 Interface
• LIGO-T0900226: ISI actuator dynamic response identification
• LIGO-T1100234: aLIGO Small Actuator Test Results from Qinetiq
• LIGO-T0900564: aLIGO Large Actuator Test Results from Qinetiq