4m. Blanco TCS Upgrade: Electronic Status at March/2010 August 22,2007 4m. Blanco TCS Upgrade: Electronic Status at March/2010 Eduardo Mondaca

Initial TCS Main System August 22,2007 Initial TCS Main System VME Chassis VME Interface Drive Interface Power Supplies

August 22,2007 VME Chassis

TCS App + TCS Kernel (PC) Dome/Utility Interface August 22,2007 Rack Evolution Actual Rack VME Chassis Future Rack Not Used TCS App + TCS Kernel (PC) VME Interface Dome/Utility (PC) Dome/Utility Interface Not Used Mount Control (PC with PMAC) Drive Interface Not Used Mount Control Interface Power Supplies Power Supplies

August 22,2007

August 22,2007 Servo Racks DEC Servo Rack RA Servo Rack

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Ajuste del Sistema error Reference Motors + Mount Controller + - August 22,2007 Ajuste del Sistema error Reference Motors + Mount Controller + - Position Reading

August 22,2007 1000 Count step_1

August 22,2007 1000 Count Step_2

Present System Block Diagram August 22,2007 Present System Block Diagram 9 DOME Encoders 23 Focus Handpaddle (Screen Room) VME 9100D Card #1 VME 9100D Card #2 18 23 RA Abs. Encoders Guider Table Focus & Guider Interface Card (A5) x position y position Focus ON / OFF RS-232 A Port Guider Motors 23 B Port DEC Abs. Encoders LAMPS C Port IR/BS Control VME Bus 5 DEC Inc. Encoders SAT_CLOK Guider Corrections RS232 / RS485 Converter CPU (Heurikon) PMAC Card 5 RS-485 DEC Inc. Encoders IR Instruments Coordinates RS232 / RS485 Converter RS-485 RS-232 RA Servos SMC Based Subsystems RS232 / RS485 Converter RS-485 RS-232 DEC Servos VME Chassis

Present System Block Diagram Complete August 22,2007 Present System Block Diagram Complete Interface Cards 9 DOME Encoders 23 Focus Handpaddle (Screen Room) VME 9100D Card #1 VME 9100D Card #2 18 23 RA Abs. Encoders Guider Table Focus & Guider Interface Card (A5) x position y position Focus ON / OFF RS-232 A Port Guider Motors 23 B Port DEC Abs. Encoders LAMPS C Port IR/BS Control VME Bus 5 DEC Inc. Encoders SAT_CLOK Guider Corrections RS232 / RS485 Converter CPU (Heurikon) PMAC Card 5 RS-485 DEC Inc. Encoders IR Instruments Coordinates RS232 / RS485 Converter RS-485 RS-232 RA Servos SMC Based Subsystems RS232 / RS485 Converter RS-485 RS-232 DEC Servos VME Chassis

Hardware Wanted Architecture August 22,2007 Hardware Wanted Architecture Instrument Adapter (PC) Instruments (ISPI, Hydra, DECAM, etc.) Ethernet Operator GUI (PC) CFADC (SMC) 4MAP (PC) F8 SEC (SMC) ROT 4M (SMC) IMAN (PC) Ethernet/ Serial Converter RS-485 DOME Interface TCS APP + TCS Kernel (PC) Comp Lamp Interface Dome/ Utility (PC) To Ra/Dec Motors Interlocks Mount (PC) Mount Interface Encoders Guider Interface HandPaddle Time

August 22,2007 GOALS Changes should be done in steps that permit to return quickly to the last state if something fails. Minimize the impact on the normal telescope operation (e.g. Calibrations during daytime).

Current Signal Flow Encoder Signals (Incremental and Absolute) VME August 22,2007 Current Signal Flow Encoder Signals (Incremental and Absolute) VME Chassis Front Panel SMC and other signals (Serial, Interlock, etc) Control Output Signals (Servos, Lamps, etc)

Current Signal Flow Complete August 22,2007 Current Signal Flow Complete 75 Encoder Signals (Incremental and Absolute) Encoders Signal Interface (A1 & A2 Cards) 120 VME Chassis Front Panel SMC and other signals (Serial, Interlock, etc) Others Signal Interface (A5 Cards) 23 46 Control Output Signals (Servos, Lamps, etc) 4 Drivers Interface 4

Present Channel Interfaces August 22,2007 Present Channel Interfaces

Patch Panel Concept Inputs Inputs Panel: Connectors VME Chassis August 22,2007 Patch Panel Concept Panel: Wiring Inputs Inputs Multiplexing Panel: Connectors VME Chassis Outputs Outputs Outputs Inputs Present Signals New Signals access from PC’s

Patch Panel Concept Corrected August 22,2007 Patch Panel Concept Corrected Panel: Wiring Inputs Inputs Signal Selector Path Panel: Connectors VME Chassis Outputs Outputs Outputs Inputs Present Signals From Interfaces New Signals access to/from PC’s

Patch Panel: Example for Mount August 22,2007 Patch Panel: Example for Mount Patch Panel Encoder Inputs Encoder Inputs Panel: Connectors VME Chassis Other Inputs Other Inputs Control Outputs Other Outputs Mount Control Outputs Mount PC With PMAC Encoder Inputs

Patch Panel To/From Interfaces To/From VME Chassis Patch Connectors August 22,2007 Patch Panel To/From Interfaces To/From VME Chassis Patch Connectors

PCI UEIDAQ Board 32 Input Channels 32 Input Channels August 22,2007 PCI UEIDAQ Board 32 Input Channels 32 Input Channels 32 Output Channels 32 Output Channels Total -64 Inputs -64 Outputs Optically Isolated

PCI UEIDAQ Board Cabling August 22,2007 PCI UEIDAQ Board Cabling

PCI UEIDAQ Board Cable Adaptor August 22,2007 PCI UEIDAQ Board Cable Adaptor

PCI UEIDAQ Board Channel Input/Output August 22,2007 PCI UEIDAQ Board Channel Input/Output Input Channel Output Channel Simplified Single Channel Diagram

PCI UEIDAQ Board Channel Provisional Interface August 22,2007 PCI UEIDAQ Board Channel Provisional Interface From Present Interfaces (Boards A1, A2, A5)

August 22,2007 Servo Power Drivers Eduardo Mondaca

Present Servo Racks and the Mount Control Loop August 22,2007 Present Servo Racks and the Mount Control Loop TCS on VME Chassis Mount Encoders VME 9100 RA Manual Slew Tach1 M1 RA Servo Rack Abs. RA Inc. RA Slew/Track Select. Tach 2 M2 RA Speed Ref. VME PMAC DEC Speed Ref. Tach 3 DEC Servo Rack M3 Slew/TrackSelect. Abs. DEC Inc. DEC Heurikon Processor Tach 4 M4 DEC Manual Slew VME 9100

Servo Drivers Schematics August 22,2007 Servo Drivers Schematics Slew Control PMAC Interface Card Velocity Comparator Card Alarm Control Card 50 VDC Power Supply Power Drivers DC Current Amplifier Control Card Motors and Tacho- Generators

Servos Functions /Cards August 22,2007 Servos Functions /Cards PMAC Interface Slew interface Slew control Velocity comparator Alarm Control DC Current Amplifier Control CardPMAC interface

Present Driver Control Block: One Axis August 22,2007 Present Driver Control Block: One Axis 50 VDC Noise Compensation PMAC/Manual Slew/Track Reference F Slew/Track Sel. M-1 Tach1 Preload Circuit Voltage Feedback - + + - + + + Current Power Driver Σ Σ Σ Σ - F - Current Feedback Σ F From Tach2 To M-2 Loop -1 F: Filters From Tach2 From Tach-2

Former Wanted Configuration August 22,2007 Former Wanted Configuration Mount Encoders Mount PC and Interfaces Tach1 RA Manual Slew M1 RA Power Amplifier Abs. RA Inc. RA RA Voltage Reference Tach 2 M2 PCI PMAC Tach 3 DEC Voltage Reference DEC Power Amplifier M3 Abs. DEC Inc. DEC DEC Manual Slew Tach 4 M4

Final Wanted Configuration August 22,2007 Final Wanted Configuration Mount Encoders Mount PC and Interfaces RA GEO Macro Driver (Delta Tau) Tach1 RA Manual Slew M1 Abs. RA PCI PMAC Inc. RA Tach 2 M2 Macro Ring (Fiber Optic) MACRO CARD (Comm. Interface) DEC GEO Macro Driver (Delta Tau) Tach 3 M3 Abs. DEC Inc. DEC DEC Manual Slew Tach 4 M4

Delta Tau Geo Macro Drive August 22,2007 Delta Tau Geo Macro Drive

Time Line for Electronics Activities August 22,2007 Time Line for Electronics Activities

First Electronics Timeline August 22,2007 First Electronics Timeline 2008 2009 2010 Jul-Sep 07 Oct-Dec 07 Jan-Mar 08 Apr-Jun 08 Jul-Sep 08 Oct-Dec 08 Jan-Mar 09 Apr-Jun 09 Jul-Sep 09 Oct-Dec 09 Jan-Mar 10 Conceptual Design Purchases Mount Interfaces and Power Drivers Encoder Tests Mount Tuning SMC Tests TCS Application Tests Support Dome/Utility Interface D&I DOME Tests Guider Interface D&I Guider Tests Instruments Interfaces D&I Instruments Tests Commis. EM 60% ET 30% ED 30% D&I = Design and Implementation

Resource Requested at PDR August 22,2007 Resource Requested at PDR From Jan 2008 to March 2010 = 27 months (22 days by months) ET: 30%  8.1 months  178 days ED: 30%  8.1 months  178 days EM: 60%  16.2 months  356 days

Activities Changes Conceptual Design Purchases August 22,2007 Activities Changes Conceptual Design Purchases Mount Interfaces and Power Drivers. Encoder Tests Mount Tuning SMC Tests TCS Applications Tests Support Dome/Utility Interface D&I Guider Interface D&I Guider Tests Instruments Interface D&I Instruments Tests Commisioning Conceptual Design Purchases Mount/Dome/Utility Interfaces tests interface Mount/Dome/Utility Tests Support Power Driver Purchases Power Driver Cabling Assembly Power Driver Programming, Tests and Tuning Tape Encoder Tests Mount Tuning TCS Applications/SMC/Instruments/ Utility Software Tests Support Interface Cabling Cleaning Commisioning

Electronics Timeline D&I = Design and Implementation August 22,2007 2008 2009 2010 Jul-Sep 07 Oct-Dec 07 Jan-Mar 08 Apr-Jun 08 Jul-Sep 08 Oct-Dec 08 Jan-Mar 09 Apr-Jun 09 Jul-Sep 09 Oct-Dec 09 Jan-Mar 10 Conceptual Design Purchases Mount/DOME/Utility Tests Interfaces Mount/DOME/Utility Tests Support Power Driver Purchases Power Driver Cabling Assembly Power Driver Programming, Test &Tuning Tape Encoder Tests Mount Tuning TCS Application/SMC/ Instruments/ Utility Software Tests Support Interfaces and Cabling Cleaning Commis. EM 50% ET 30% ED 20% D&I = Design and Implementation

New Resource Estimates August 22,2007 New Resource Estimates From Jan 2008 to March 2010 = 27 months (22 days by months) ET: 30%  8.1 months  178 days ED: 15%  4.0 months  88 days EM: 50%  13.5 months  297 days

Comparison with a Very Old Estimates August 22,2007 Comparison with a Very Old Estimates Did not include Tape Encoders Did not include Power Driver Replacement Did not consider Mount Tuning Did not consider Mount Simulation/Modeling Electronic Engineer 21 MW Electronic Draftman 6 MW Electronic Technician 15 MW = 105 days (new: 297) = 24 days (new: 88) = 75 days (new: 178)