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1. 34 3 31 ECU Configuration d nene ettet cn c i eet eet eade 34 0590222 CUAZADULBSHELVO At orate oe 36 3 3 ENLTOLDEIVES NO 41 3 3 4 Coud Beam Switching Device ooooococnnonccccnnooccncnnnonanonononanonnnonannnnnnnnnnc eene enne naar eene nnne 42 3 3 3 Azim th Cable Wrap ertet ii e ene a Seset 44 3 3 0 UM TO Dual Eeed MiftOt 5 5 5 0 recederet ee BAGS SEC EE eR e 45 3 3 7 Transversal Atmospheric Dispersion Compensator cccccnococcnnnoncncnnnnonnnonononanonnnnnanncnnnnnnccnnnnnnnos 46 3 4 Sensor EC Ub 2 2 pb Melee tie tret tote Beet ed io rdi ord ie feed deed eode obe 48 3 4 1 LCU Configuration oisi deieieniectes ssectes s sedes idees tot does du d dde dod de debe de dede 48 3 4 2 Field Acquisition System FAS esses nenne enne enne ene nnn nennen nennen 50 3 4 3 Field Stabilization System FSSJ rrn a n eee e eee E e Nee ea eis 51 3 44 NR NN NN 53 SAD ESS Filter Wheel E eee AA 55 3 4 6 FSS Aperture Field Diaphragm eese eene nennen E n eee nennen nennen 57 3 4 7 FSS Translation Stage ttt enel 59 3 4 8 M6 D tormable Mlrtot cce eee etes 62 3 5 Aux ilaary LC D 64 30 ECW Configuration iia 64 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 8 of 81 3 5 2 Enclosure and Anemometers 0 cc
2. E This function will not be implemented in the initial phase of the project but at a later stage However interface S requirements related to reserved space cable routing plug design etc apply e Control of the M10 Dual Feed Mirror Gime c e The control is deployed on the Dual Feed LCU e This sub system belongs to the ESO delivery Last modified Wed Aug 4 08 04 49 METDST 1999 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 46 of 81 3 3 7 Transversal Atmospheric Dispersion Compensator E This function will not be implemented in the initial phase of the project but at a later stage However interface S requirements related to reserved space cable routing plug design etc apply O O e Control of the Transversal Atmospheric Dispersion Compensator n The motor and tacho are connected to the ESO standard VME4SA Servo Amplifier and the encoder to l MAC4 Motion Controller The tacho generator is mounted on the motor The velocity loop is closed y in the amplifier There are two switches one of them is used as a reference switch e The control is deployed on the Azimuth LCU e This sub system belongs to the ESO delivery e The device is connected to the Terminal Block Y20 3 3 7 1 Transversal Atmospheric Dispersion Compensator drive interfaces The pin assignment on Terminal Block Y20 will be identical to the ones use
3. they are fed into a single optical fibre e The control is deployed on the Altitude LCU e The device is connected to the Terminal Block Z3 The motor control is a pure SW interface the target position and velocity are passed to the Motion Controller via the VME bus The motor control software is provided by ESO The functionalities to be provided are Set absolute position of Nasmyth wheel axis Set to Retro Reflecting mirror Set to free hole Set 1st Alignment Tool position Beacon Set 2nd Alignment Tool position Halfmasks Chop Nasmyth wheel with a given stroke and frequency lt 5000E 3 2 5 1 Nasmyth wheel interfaces Item From Signal Description MOTOR Minimotor DC Brush 3557 024CS 24VDC 30W Gear 180 1 1 LCU Motor M VMEASA Servo Amplifier Channel 1 2 LCU Motor M VMEASA Servo Amplifier Channel 1 3 Shield MSH TACHOGENERATOR Minimotor 4 3 G60 4 3mV rpm 4 ATS Tacho T VMEASA Servo Amplifier Channel 1 5 ATS Tacho T VMEASA Servo Amplifier Channel 1 6 Shield TSH Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 29 of 81 ENCODER Minimotor Optical HP HEDL 5540 500 5 VDC 500 lines turn Resolution in Quadrature 1000 counts degree 3 6 count 7 LCU Encoder 5V VCC MAC4 INC Motion Controller Channel 1 8 LCU Encoder GND MAC4 INC Motion Controller Channel 1 o me d S SWITCHES Mi
4. 3 Shield TUBE SENSORS 4 ATS LCU Temperature Tube A Current Loop 4 20mA 10 25C 5 ATS LCU Temperature Tube A 6 Shield 7 ATS LCU Temperature Tube B Current Loop 4 20mA 10 25C 8 ATS LCU Temperature Tube B Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 32 of 81 9 Shield FORK SENSORS M7 SENSOR o MISENORS 0000000000000 28 LCU ATS Power Supply 24VDC 600mA for the 9 Temperature Sensors PT100 and Signal conditioners e ww 1 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 33 of 81 3 2 6 2 Altitude cabinet Thermal controller Item From To Signal Description COMMUNICATION 1 ATS LCU Thermal controller Communication RS485 Port to PKC EROELECTRONIC Protocol details RD19 GENERAL COMMANDS Cabinet Temperature 2 ATS LCU Read temperatures Ambient Ale Temperature Last modified Wed Jul 4 13 54 55 UTC 2001 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 34 of 81 3 3 Azimuth LCU 3 3 1 LCU Configuration Board Supplier Number CPU Motorola MVME 2604 PowerPC 333 MHz 16MB 1 E Time Interface ESOTIM 1 S Encoder interface MHeidemainIK3200 A O Amplifier Inte
5. Digital output LCU ATS Amplifier Enable High Enable Contact closed to enable the amplifier output stage Toggling that signal resets externally triggered faults e 1 PTC overtemperatures Overspeed encoder fail signal Digital apropriate command to stop further motion in the corresponding direction 4 LCU ATS inhibit positive Low inhibit is asserted when positive vicinity limit is active When the amplifier is in speed mode manual only the Positive velocity reference is clipped the amplifier stop further motion in the corresponding direction When the amplifier is in torque mode nominal configuration the ESO velocity speed loop sends Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 19 of 81 5 LCU ATS inhibit negative Low inhibit is asserted when negative vicinity limit is active When the amplifier is in speed mode manual only the Negative velocity reference is clipped the amplifier stop further motion in the corresponding direction When the amplifier is in torque mode nominal configuration the ESO velocity speed loop sends apropriate command to stop further motion in the corresponding direction 6 ATS LCU Overspeed High no overspeed The speed is sensed on the frequency of the Linear Hall Sensors exceeding the limit will set the Overspeed alarm and keep it latched until the next enable cycle Source Driv
6. Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 37 of 81 velocity reference is clipped the amplifier stop further motion in the corresponding direction When the amplifier is in torque mode nominal configuration the ESO velocity speed loop sends apropriate command to stop further motion in the corresponding direction Overspeed High no overspeed The speed is sensed on the frequency of the 6 ATS LCU Linear Hall Sensors exceeding the limit will set the Overspeed alarm and keep it latched until the next enable cycle Source Driver 24V 100mA max Digital DriveOK no fault High DriveOK no fault When negated fault the drive is disabled and latched until a reset is applied Detailed fault 7 ATS LCU information via the serial link Possible faults could be tacho hall sensor over under voltage over current 50 amp 70 over temperature etc Source Driver 24V 100mA max Digital High the 400VAC Power is OK THOMAE Power OR Source Driver 24V 100mA max Digital Amplifier drive power 24VDC 1 2A Amplifier drive power GND 14 LCU ATS Torque command Analog differential 10V Zin 10kQ Analog output 15 LCU ATS Torque command Analog differential 10V Zin 10kQ Analog output High Speed mode The speed mode is used during manual operation for commissioning or maintenance with a dedicated hand set The torque mode
7. See IfTransporter_RelocationStatus 1 Digital line pulled down to GND BRAKES Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 22 of 81 Status B side 8 NO switches in serie 30 VDC 10A max Contact closed when brakes are disengaged Digital input Status A side 8 NO switches in serie 30 VDC 10A max Contact closed when brakes are disengaged Digital input 90 ATS LCU 91 ATS LCU Status B side 8 NO switches in serie 30 VDC 10A max Contact closed when brakes are disengaged Digital input 92 ATS LCU 93 ATS LCU Status A side 8 NO switches in serie 30 VDC 10A max Contact closed when brakes are disengaged Digital input 94 LCU ATS Brake command High Enable Contact closes to disengage the brakes 95 LCU ATS Return Common MONITOR 100 ATS LCU Signal monitoring Buffer amplifier output 10V 5mA differential for 101 monitoring of internal amplifier variable selected via the serial communication link Relevant signals for monitoring analog input measured torque default selection measured currents phase 1 phase2 etc hall sensor signal actual speed from the hall sensors actual speed from the tacho any signal specific to the amplifier motor unit Analog input 110 LCU ATS Signal selection Saturation parameters e maximum torque the output torque canno
8. VLT ICD ESO 11670 1288 3 0 21 12 1998 APD Tilt Loop Interfaces Control Document pos VLT MAN ESO 11670 1754 1 0 31 01 1999 STRAP Software Maintenance Manual ADos PHASE AX V 30 07 01 1999 Main user manual Abos VLT TRE AMO 151000 028 3 0 25 06 1999 ATS Safety Assessment Report AD07 Heidenhain GmbH 02 1996 IK 320 VME Bus Interface Board User Manual Abos VLT SPE ESO 15151 1795 1 0 20 07 1999 Uxiliary Telescope Control Software System Design Description 2 2 Reference Documents The following documents contain additional information and are referenced in the text Reference Document Number Issue Date Title RD 01 VLT SPE ESO 15400 0886 2 0 18 12 1996 VLTI Software Requirements Specifications RD 02 VLT SPE ESO 15 100 0338 2 1 19 05 1998 Technical Specifications for the ATS ATS AMOS Control System RD 03 VLT TRE AMO 151800 082 12 0 28 05 1999 Final Desien amp Anales Report Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 10 of 81 RD 04 VLT TRE FIS 15 1100 043 2 0 25 03 1999 ATS FISBA Package Final Design Report RD 05 VLT MAN ESO 17240 0672 15 19 11 1997 VLT Software CCD Detector Control Software User Manual RD 06 SIEI Peterlongo SpA 1 3 29 05 1995 S Link 3 Protocol Specification RD 07 VLT MAN ESO 11670 1870 1 0 in prep ah Lie PEPERIT AE Auxiliary Telescop
9. asserted to open the enclosure rear shell at the next start 101 LCU ATS Enclosure rear shell open command command negate to close at the next start command assert to initiate the opening closing of the front shell 102 LCU ATS Enclosure front shell start command Negate to stop the motion whenever the desired postion is reached assert to initiate the opening closing of the rear shell 103 LCU ATS _ Enclosure rear shell start command Negate to stop the motion whenever the desired postion is reached 104 ATS LCU Enclosure front shell actuator 1 Software command to W42 105 ATS LCU Enclosure front shell actuator 2 Actuator position coded over 8 Bits 106 ATS LCU Enclosure rear shell actuator 3 Scaling t b d 107 ATS LCU Enclosure rear shell actuator 4 Last modified Mon 20 Jan 2003 11 00 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 68 of 81 3 5 3 Air Conditioning e The air conditioning control is under the contractor s responsibility It is controlled via a RS232 serial interface and provides the commands to switch on off the Air Conditioning read the enclosure temperature and set the reference temperature e The control is deployed on the Auxiliary LCU e The Air Conditioning is controlled by a Sauter PLC connected to a RS232 Serial Port via Connector W41 e The temperature values of the M1 sensors are input
10. distribution bars generically named ZO on the drawing 3 1 4 Station Plug The connection layout and pin assignment is given in Annex ANI AT Station Pit Connection box VLT SCH ESO 15154 2202 Item From To Signal Description MAIN POWER 1 Station ATS 400VAC 3 phases plug ELECTRICAL SIGNALS 10 ATS Station 24 VDC plug 11 Shield PE STATION ID 12 ATS LCU Station Id code 8 Digital Input lines pulled down to GND e upper 4 bit nipple r coding the rail 0x4r in Hexadecimal letters A to O e lower nipple s coding the station 0x3s in Hexadecimal digits 0 to 9 AT MOTION STOP 13 ATS LCU AT Motion Stop Contact free of potential to Azimuth to Altitude OPTICAL FIBRES Interface Control Document between the Electro Mechanical Hardware and the Control System of the ATS VLT ICD ESO 15100 1528 5 15 01 03 15 of 81 3 1 4 1 Overview Schematic Power Cabinet i Plug La 1 I Power 1 z Distribution LJ AMOS Motion Stop AMOS Transporter Altitude Cabinet Altitude LCU lx n alt y Azimuth k Cable Wra ss De E Altitude LCU Console Overview Signal Cabinet Network T Equipment Auxiliary LCU oem w10 Station Socket ESO Main Power control LAN Guide LAN Time Bus High Rate Data Links Carriage Lock Station ID Time Bu
11. 13 is VLTI to ATS Item 14 is ATS to ATS Item 1 amp 10 are Station Plug to ATS Updated drawing Azimuth Cable The azimuth axis shall be stopped whenever one of the wrap proximity switches is activated In case it stops the azimuth axis while M7 is blocking the access door the cablewrap wrap can be manually dragged away For that purpose the motorization drive is made reversible Mech Int 6 5 2 Dual feed LCU the space required is defined in 86 1 AAA AA 20 09 00 M10 Power ON OFF command LCU to ATS OEMO70 for reduced heat pO Pr 19 01 01 Z11 Terminal 3 2 2 Include Z11 terminal block Extension to Signal cabinmet via O Na 19 01 01 Altitude Cabinet 3 2 6 Include Temperature monitoring of Altitude cabinet via serial A E o naano A a 19 01 01 Annex01 Detail drawings LCU s Electrical and optical connections 3 2 6 Include Temperature monitoring of Altitude cabinet via serial port W12 19 01 01 comments Included comments VLT AMO 01 0006 3 5 5 replaced Station plugged in by 400V OK and EG Cmd Off removed Transporter Ground Seal inflated status of pneumatic module replaced by Compressed air 3 5 2 updated anemometer output item 104 to 107 replaced by the position readout of the four enclosure shells actuators 3 2 6 Temperature signal is 4 20m Full scale range is t b d 3 3 2 added CW positive amp negative switches items 71to 76 3 5 3 Included Dew point 4 Updated interlock table 5 Electrical amp Optical interface
12. 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 20 of 81 33 LCU ATS Tacho Range 8x High Sensitivity is increased by factor 8 Contact status 24VDC 6 6kQ to GND Digital 34 ATS LCU Tacho Range High Sensitivity is increased by factor 8 Source Driver 24V 100mA max Digital High Tacho OK the tacho signal is ouput to ESO LCU When Encoder OK is asserted the drive amplifier uses the sine amp cosine signals from the axis encoder for commutation and improved ripple performances If 22 ARS u Tacho Ok coherency between the two signals is lost the tacho OK is negated Source Driver 24V 100mA max Digital ENCODER 1 head RON 905 11uA Heidenhain IK320 output 1 V peak to peak sine cosine A B signals 3 cU ATS B Oupa Be 47 LCU ATS Encoder OK High Encoder OK and available The encoder is powered and provides the sincos incremental signals The drive amplifier performs a coherency check between the sine and cosine signals 24VDC Source Driver 24V 100mA max Digital SWITCHES 50 ATS LCU Vicinity PLS Contact opens if positive vicinity limit is crossed Digital 51 ATS LCU Vicinity PLS Common 52 Shield PE 53 ATS LCU Vicinity NLS Contact opens if negative vicinity limit is crossed Digital 54 ATS LCU Vicinity NLS Common 55 Shield PE 56 ATS LCU Interlock PLS Contact opens if positive interlock limit is crossed Positive Limit
13. ATCS Requirements specify the need of synchronizing the acquisition system with the guiding loop On the UTs this is implemented between the TCCD system and the AG FS loops by means of a user defined function hook that is invoked at each exposure The details of the function are application specific the interface is TBD shall try to match the existing one The function shall have access to the actual parameters describing the data acquired during this cycle error vector SNR FWHM etc Last modified Wed Sep 20 15 24 28 METDST 2000 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 53 of 81 3 4 4 M6 drives e Interface requirements for M6 electronics located on the fork at a distance lt 1 5m from M6 e Electrical power 230V UPS wire cross section 0 75mm2 e Cooling one inlet outlet are reserved at the manifold distributor for M6 cabinet Thread type BSP cylindrical 3 8 e Electrical signals Terminal Block Y33 e Optical signals 2 ST Connectors e Housing of the M6 control electronics Rittal cabinet 9U height mounted on the fork see Detector and M6 drives Control of the High Frequency M6 tilt motions required for field stabilization and chopping For Adaptive Optics a Deformable Mirror controlled by an appropriate electronics will replace M6 e The control is deployed on the Sensor LCU e This sub system belongs to the ESO delive
14. ATS OR Working Area 24V field P Low maintenance is being performed inside the enclosure 89 ATS LCU FORE A Azimuth AND Enclosure interlocked 1 Digital line pulled down to GND BRAKES 12 NO switches in serie 30 VDC 10A max 90 ATS LCU Status U side Contact closed when brakes are disengaged Digital 12 NO switches in serie 30 VDC 10A max 91 ATS LCU Status U side Contact closed when brakes are disengaged Digital 12 NO switches in serie 30 VDC 10A max 92 ATS LCU Status U side Contact closed when brakes are disengaged Digital Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 40 of 81 12 NO switches in serie 30 VDC 10A max 93 ATS LCU Status U side Contact closed when brakes are disengaged Digital High Enable 25 pen d Brake commands Contact closes to disengage the brakes 95 LCU ATS return Common MONITOR Buffer amplifier output 10V 5mA differential for monitoring of internal amplifier variable selected via the serial communication link Relevant signals for monitoring analog input 100 T measured torque default selection 101 ane Log Pignal monitormg measured currents phase 1 phase2 etc hall sensor signal actual speed from the hall sensors actual speed from the tacho any signal specific to the amplifier motor unit Analog input Saturation p
15. Digital 57 ATS LCU Interlock PLS Common Positive Limit Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 21 of 81 58 Shield PE 59 ATS LCU Interlock NLS Contact opens if negative interlock limit is crossed Negative Limit Digital 60 ATS LCU Interlock NLS Common Negative Limit 61 Shield PE 62 ATS LCU Altitude Locking pinA 10 to 30 VDC 63 ATS LCU Altitude Locking pinA Common 64 ATS LCU Altitude Locking pinA High Altitude Locking pin is disengaged signal Open collector PNP 200 mA max Digital 65 ATS LCU Altitude Home switch 24V logic Transition at about 5 degree Zenithal distance open at Zenith closed at Horizont 66 ATS LCU Altitude Home switch Common 67 Shield 68 ATS LCU Eee HOt 30 VDO Altitude Locking pinB Common Altitude Locking pinB High Altitude Locking pin is disengaged signal Open collector PNP 200 mA max Digital EndStopA On Nasmyth A side a Zenith or a Parking End Stop schock absorber is not in position Contact opens EndStopA Common 73 ATS LCU EndStopB On Nasmyth A side a Zenith or a Parking End Stop schock absorber is not in position Contact opens 74 ATS LCU EndStopB Common 80 ATS LCU Motion Stop 24VDC 8W max CU a CI E Transporter relocation High Transporter in station position Low Altitude immobilized because AT not in station position
16. RS232 serial link is transiting via the Azimuth Cable Wrap to the Signal Cabinet on the DB9 Connector W10 see in Annex AN01 VLT DWG ESO 15154 1769 Item From To Signal Description E LCU CONSOLE o IRS232RXlin IRS232RXlin 3 2 Altitude Signal Rg232 TX line di Cabinet Cabinet TBD Y10 w10 RS232 GND line o o za Shield PE Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 17 of 81 3 2 1 2 Schematic ATS contractor supply T Transporter Relocation M2 Pupil amp Motion Stop Nasmyth Da Altitude Home Switch Beacons M2 hexapod focus x y amp w12 3 y LCU Cabinet T Ambient 2 W13 Thermal controller T Cabinet Hag Altitude drive 3 z1 f paoa HK DR Her Conditioning Last modified Mon Dec 18 10 47 31 MET 2000 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 18 of 81 3 2 2 Altitude drive e Position control of the telescope altitude axis including motor amplifier tachometer encoder brakes and limit switches e The control is deployed on the Altitude LCU e The device is connected to the Terminal Blocks Z1 8 Z11 the later block being used to carry signals between Altitude and Signal cabinet via the Azimuth cable wrap e The amplifier is connected to the Connector W13 The coordinate convention is defi
17. deployed on the Altitude LCU The Telescope temperature sensors are connected to the Terminal Block Z4 The Altitude cabinet Temperature sensors are connected to the connector W12 Nine 9 temperature sensors PT100 are mounted on various parts of the telescope and are connected to signal conditioners providing a 4 20mA signal output These signals are connected to a dedicated field interface ESO supply for signal formatting before entering the Analog Input ports The sensors are monitoring the temperature on the following parts 2 on the telescope tube 1 on the top ring 2 on the fork 1 on the mirror M7 3 on the primary mirror M1 The thermal controller PKC from EROELELECTRONIC keeps the Altitude cabinet internal temperature equal to the ambient air temperature It acts on a motorized valve regulating the coolant flow inside the heat exchanger of the Altitude cabinet One PT100 senses the ambient air temperature the other one senses the Altitude cabinet internal air temperature The LCU has got no control on the regulation but monitors the two temperature sensors connected to the thermal controller PKC e onthe altitude cabinet e lonthe ambient air 3 2 6 1 Telescope Temperature Sensors Interfaces The connection layout and pin assignment is given in Annex 1 VLT DWG ESO 15154 1769 Item From To Signal Description TOP RING SENSOR 1 ATS LCU Temperature TopRing Current Loop 4 20mA 10 25C 2 ATS LCU Temperature TopRing
18. interfaces of the Field Acquisition Sensor TCCD ACE controller and the Field Stabilization Sensor STRAP APD are defined in AD 09 AD 10 and Drawing 03 of the Technical Specifications RD 02 Space and connection means shall be provided from Sensor LCU to FAS via the ROS plug for fibre installation see RD 02 section 5 1 14 Space and cooling capacity for electronics shall be provided in the vicinity lt 1 5 m of M6 The minimum space required is Width 19 VME Chassis Height 8HU Depth 600 mm including 100mm for connectors 6 3 Pupil Beacon Space and connection means shall be provided from Altitude LCU to M2 via the tube cable wrap for Pupil beacon fibre installation see RD15 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 79 of 81 6 4 Nasmyth focus In view of future installation of specific ESO equipment the following requirements apply Nasmyth Beacon Space and connection means shall be provided from Altitude LCU to Nasmyth Wheel for Nasmyth beacon fibre installation see RD 02 section 5 1 11 6 5 Future Extensions This section defines the internal interface requirements applicable to the ATS design in order to allow future installation of upgrades by ESO 6 5 1 Adaptive Optics 6 5 1 1 Coud focus environment In view of the future installation of the Wave Front Sensor for adaptive optics the following int
19. the Control System of the ATS 15 01 03 24 of 81 3 2 3 M2 drives Control of the focusing centering and tilt mechanism focus x y Qt p The control is deployed on the Altitude LCU The device is connected to the PMAC connectors J4 JS1 J8 JMACH1 amp JMACH2 The M2 controller is connected to the Connector W14 The M2 controller PMAC VME is supplied by ESO The connection layout and pin assignment is given in Annex 1 VLT DWG ESO 15154 2217 The control of M2 shall be performed by a PMAC VME board The control of the PMAC board shall be done through RS422 interface on the ISER board AMOS provides the source code to be implemented on the CPU in order to transform high level commands into low level commands individual actuator motions These commands are sent to the PMAC board via the RS422 interface The high level commands are listed in the table below Important Note The effective interface to the M2 drives is not on PMAC connectors J4 JS1 J8 MACHI amp JMACH2 The contractor is responsible of the interface between the PMAC VME output connector and the Terminal Block while ESO is responsible of interfacing the PMAC VME RS422 input port with a ESO standard serial ISER8 output port see also the full description in RD 18 Interface control document for the M2 support 3 2 3 1 M2 drives interfaces Item From To Signal Description Pin COMMUNICATION 1 M2 Communication RS422 Port to PMAC Input port Protocol details W1
20. the encoder to the MAC4 Motion Controller The tacho generator is mounted on the motor The velocity loop is closed in the amplifier There are two switches per axis a positive limit switch PLS and a negative limit switch NLS One of them is used as reference switch e The control is deployed on the Sensor LCU e The device is connected to the Terminal Blocks Z16 for the X axis and Z17 for the Y axis The motor control is a pure SW interface the target position and velocity are passed to the Motion Controller E 2 via the VME bus The motor control software is provided by ESO 3 4 7 1 FSS Translation Stage interfaces The connection layout and pin assignment is given in Annex 1 VLT DWG ESO 15154 1787 X Axis Item From To Signal Description MOTOR Minimotor DC Brush 2233 024S 24VDC 2 53W GearBox 29 6 1 Screw Pitch 1mm 1 LCU ATS Motor M VMEASA Servo Amplifier Channel 3 2 LCU ATS Motor M VMEASA Servo Amplifier Channel 3 3 Shield MSH TACHOGENERATOR Minimotor 1 5 G 1 5mV rpm 4 ATS LCU Tacho T VMEASA Servo Amplifier Channel 3 5 ATS LCU Tacho T VMEASA Servo Amplifier Channel 3 6 Shield TSH ENCODER Minimotor Optical HP HEDL 5540 500 5 VDC 500 lines turn Resolution in Quadrature 59200 counts mm 16 9nm count 7 LCU ATS Encoder 5V VCC MAC4 INC Motion Controller Channel 3 8 LCU ATS Encoder GND MAC4 INC Motion Controller Channel 3 Differential line driver A AU AS oe o MAC4 INC Motion Cont
21. to the Sauter PLC via the Connector W41 e The Air Conditioning Control System gives a Warning flag when the Dew point temperature is reached The Dew point sensor readout is available to ESO via the RS232 The parameter Dew point Margin Tdm can be adjusted via the RS232 e The thermal controller PKC from EROELELECTRONIC keeps the Signal cabinet internal temperature equal to the ambient air temperature It acts on a motorized valve regulating the coolant flow inside the heat exchanger of the Signal cabinet One PT100 senses the ambient air temperature the other one senses the Signal cabinet internal air temperature The LCU has got no control on the regulation but monitors the two temperature sensors connected to the thermal controller PKC via the Connector W43 e 1 onthe Signal cabinet e 1 onthe ambient air 3 5 3 1 Air Conditioning interfaces The connection layout and pin assignment is given in Annex 1 VLT DWG ESO 15154 1769 Item From To Signal Description COMMUNICATION 1 Air Conditioning Communication RS232 Port to Sauter PLC Protocol details in RD 10 AIR CONDITIONING 10 ATS LCU Air Conditioning status Get status information on the air Conditioning system 11 ATS LCU Cooling water temperature Get cooling water temperature 12 ATS LCU Enclosure temperature Get enclosure temperature 13 LCU ATS Start Stop Air Conditioning e Start using the reference temperature e Stop Interface Control Document VLT ICD ESO 1
22. update 6 Mechanical interfaces update Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 6 of 81 comments Updated PHASE interface definition 83 2 2 Altitude drive and 83 3 2 Azimuth drive added item 20 mode torque speed updated item 30 Tacho signal 3 2 2 1 Altitude Drive Z11 is ESO Only 3 2 6 Telescope temperature sensors item is Temperature Tube item 7 1s Temperature Center Piece Harmonised ICD naming of Maccon controlled motors between ICD annex 01 and FISBA design report VLT TRE FIS 15100 043 issue 4 1 in 83 2 5 Nasmyth wheel 3 3 4 Coude beam switching device 83 4 6 FSS Filter Wheel 3 4 7 FSS Aperture Fiel Diaphragm 3 4 8 FSS Translation stage 3 3 2 cable wrap limit switches description item 71 to 76 moved to 83 3 5 Azimuth cable wrap Switches are electro mechanical type 3 4 6 FSS aperture corrected formatting all is ESO Only 3 5 2 Enclosure item 100 to 103 the open commands and close commands are replaced by open close and start stop commands 3 5 2 83 5 4 83 5 6 Siemens PLC serial link is RS422 with protocol RK512 3964R 83 5 6 Service module item 11 contact opens if battery NOT OK 4 1 1 1 Interlock Altitude Locking pin is received by Altitude drive only 6 1 added sentence for rear side access to Signal and Altitude cabinet 15 January comments 3 2 2 added description text 200
23. 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 9 of 81 1 Scope This document describes the requirements and establishes the detailed specifications for the interface between the electro mechanical hardware and the control system of the Auxiliary Telescope System For the sake of completeness this document includes also interfaces between the Control Software and the Control Hardware developed under ESO responsibility In order to identify these interfaces internal to ESO the associated section headers will be written in bold italic the section content will be framed and marked with a special margin The document covers now the basic configuration 4 LCUs which will be first implemented Requirements associated to further extensions e g future Adaptive Optics or Dual Feed as defined in the ATS Technical Specifications RD 01 and further clarified in correspondence have been included 2 Documents and Acronyms 2 1 Applicable Documents The following documents of the exact issue shown form part of this ICD to the extend specified herein In the event of conflict between the documents referenced herein and the content of this ICD the content of this ICD shall be considered as a superseding requirement Reference Document Number Issue Date Title AD 01 VLT SPE ESO 10000 0015 4 Electronic design specifications Do VLT SPE ESO 10000 0003 a 05 02 1992 Sm M and power quality bos
24. 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 57 of 81 3 4 6 FSS Aperture Field Diaphragm e Control of the Aperture Field Diaphragm before the FSS detector The motor and tacho are connected to the ESO standard VME4SA Servo Amplifier and the encoder to the MAC4 Motion Controller The tacho generator is mounted on the motor The velocity loop is closed in the amplifier There are two switches one of them is used as a reference switch eut e The control is deployed on the Sensor LCU e The device is connected to the Terminal Block Y34 The motor control is a pure SW interface the target reference position and Velocity are passed to the Motion Controller via the VME bus The motor control software is provided by ESO lt 3 0 3 4 6 1 FSS Aperture Field Diaphragm interfaces The connection layout and pin assignment is given in Annex 1 VLT DWG ESO 15154 1787 Item From To Signal Description MOTOR Model TBD TBDVDC TBDW 1 LCU ATS Motor M VMEASA Servo Amplifier Channel 2 2 LCU ATS Motor M VMEASA Servo Amplifier Channel 2 3 Shield MSH TACHOGENERATOR Model TBD TBDmV rpm 4 ATS LCU Tacho T VMEASA Servo Amplifier Channel 2 5 ATS LCU Tacho T VMEASA Servo Amplifier Channel 2 6 Shield TSH ENCODER Model TBD 5 VDC TDB counts turn Resolution TBD counts degree TBD count 7 LCU ATS E
25. 3 item 4 amp 5changed logic to active low item 90 94 renamed Brake status 83 2 5 1 added description text 83 3 1 1 corrected schematic 3 3 2 1 added description text item 4 amp 5changed logic to active low 83 3 3 1 83 3 4 1 83 4 5 3 4 7 1 added corrected description text 3 5 1 1 corrected schematic 3 5 1 amp 3 5 3 2 added PKC Thermal controller for monitoring of Signal cabinet temperature 3 5 5 1 item 10 amp 11 updated status list item 12 added list of motion stop 4 1 1 1 Updated Interlock table 6 1 added altitude VME ventilation requirements 6 5 2 1 removed TBC sentence 6 6 5 minor text correction Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 7 of 81 TABLE OF CONTENTS VERY LARGE TELESCOPE 0000 00 cccccessccseseceescecesacecesacesseecssacecesaeeesaeecesaceceaeeesaeecesaceseeaeeesaeeees 1 Interface Control Document ses 1 Electro Mechanical Hardware and the Control SysteM ooooonoocccnnococcnononccononooncnonononcnocononcnnncnnnnnnnconannnnos 1 Doc Nos VETXCD BSO 15100 1528 tete A e ee e e A a E 1 O ON 1 Prepared G Chiozzi K Wirenstrand P Duhoux R Karban J M Moresmau M Duchateau 1 Approved B Koehler GRacias vaa 1 Released M Tarenglit eee e 1 VLT PROGRAMME TELEPHONE 089 3 20 06 0 FAX 089 3 20 06 514 seen 1 CHANGE REC ORD 000000 2 5 2
26. 4 TBD GENERAL COMMANDS 10 LCU ATS Power On Off M2_POWER_ON_OFF 11 LCU ATS Stop all actuators M2_STOP 11 1 LCU ATS Execute set command M2_GO LCU ATS Constraints for each degree M2 PARAMETERS min max velocity of freedom focus tip tilt x y LCU ATS Initialize all actuators M2_HOME motion to Home position 14 LCU ATS Request M2 status M2_STATUS_REQUEST Software Command to o M2_STATUS W14 o M2_GLOBAL 4 bit value indicating Power On Off home moving and error o M2 FAULT LOCATION On error indicates the faulty actuator 1 to 6 o M2 FAULT DIAGNOSTIC On error indicates the error type e M2 TEMPERATURE STATUS o SENSOR TEMP Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 25 of 81 temperature measured by the sensor MOTION COMMANDS 20 LCU ATS Set M2 absolute position M2_MOVE_ABS lt axis gt lt absolute value gt M2 DES FOCUS lt z along Z axis in mm M2 DES TIP lt q around X axis in radians M2 DES TILT f around Y axis in radians M2 DES X x along X axis in mm M2 DES Y y along Y axis in mm Software 21 LCU ATS Set M2 relative position M2 MOVE REL axis relative value MU to M2_DES_FOCUS lt z gt along Z axis in mm M2_DES_TIP o around X axis in radians M2_DES_TILT lt f around Y axis in radians M2_DES_X lt x along X axis in mm M2_DES_Y lt
27. 5100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 69 of 81 14 LCU ATS Air Conditioning Reference Temperature Set the Reference Temperature 15 LCU ATS _ Dew point sensor Get Dew point sensor value 16 LCU ATS Dew point sensor Temperature Margin Set the Dewpoint Temperature Margin warning Flag ON when Dew Point is reached inside the H BCE estos Dess Rome Warnup enclosure during Daytime Stand By mode M1 TEMPERATURES 20 LCU ATS Temperature M1 A B C Mirror M1 temperatures as read from Altitude LCU 3 5 3 2 Signal cabinet Thermal controller Item From To Signal Description COMMUNICATION ew RS485 Port to PKC EROELECTRONIC Protocol 1 ATS LCU Thermal controller Communication details RD19 GENERAL COMMANDS Cabinet Temperature 2 ATS LCU Read temperatures Ambient Al Temperature Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 70 of 81 3 5 4 Relay Optics Structure ROS Shutter e Control of the Relay Optics Structure Shutter e The control is deployed on the Auxiliary LCU e The device is connected to a RS232 Serial Port via Connector W42 3 5 4 1 ROS Shutter interfaces Item From To Signal Description Pin COMMUNICATION 1 Communication RS232 Port to Siemens PLC Protocol RK512 3964R CONTROL 10
28. 6 4 Optical fibre connection See also RD17 installation of ESO cables Station Plug connector type Harting HAN Modular OpticalLAN connector type ST TIM connector type ST HDRL connector type ST Sensor LCU to Field Acquisition Sensor TCCD connector type SMA Pupil Beacon connector type TBD Nasmyth Beacon connector type TBD 6 6 5 ESO Terminal Blocks Y n Terminal blocks referenced Yn are part of ESO supply 6 7 Cooling The cooling of the racks is under the contractor s responsibility See RD 03 Chapter 5 Last modified 15 January 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 81 of 81 OUO
29. AD 03 and AD 04 APD HIGH VOLTAGE 20 LCU ATS High Voltage lines See AD 03 and AD 04 APD GATE CONTROL Br lev ATS TEN 7 7 CUR aqu qe 83 LCU ATS APD gate control 500 coax 50 coax 0 STILL 3 4 3 2 Field Stabilization System Software Interface The applicable document for the FSS software interface is RD 07 Item From To Signal Description Pin CONFIGURATION 2 LCU ATS STRAP Static Static parameters Configuration Can not be modified while APD is active Open Close loop APD Gain Diagnostic sampling period Number of cycles Hook function name tc TBD e cz e Ons SW Command 3 LCU ATS STRAP Dynamic Dynamic parameters Configuration May be modified while e Guide Reference Point APD is active e Interaction Matrix Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 52 of 81 e Gate for APD gain control e etc TBD SW Command CONTROL LCU ATS Start STRAP start APD acquisition with current configuration SW Command LCU ATS Stop STRAP stop APD acquisition SW Command LCU ATS Gate APD gain turn gate on off for APD gain control used in chopping mode when alternating between object and sky SW Command or Digital Output 7 LCU ATS Update Interaction Matrix update interaction matrix for derotating M6 corrections SW Command 8 LCU ATS Request Interaction Matri
30. Added future subsystems M10DF M6DM TADC New Interlock System Motion Stop Updated according to Minutes of meeting VLT MIN ESO 15100 1910 Fax VLT AMO 99 0076 Include paragraph with co ordinates conventions for Alt amp Az axes Phase amplifier 83 2 2 amp 3 3 2 take into account the ICD AMOS PHASE Issue 1 item 19 Convert Drive ready into Motor_Powered merge 50 amp 70 overtemp item 17 amp 18 into No Fault signal the origin of the fault is retrieved via serial link Tacho OK High Tacho OK encoder is used for commutation The torque is the monitored variable by default tbc p21 amp 35 Item 4 amp 5 Inhibit to ATS are accepted only when amplifier is in speed mode i e maintenance or tests Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 4 of 81 Interlock chapter Altitude 3 2 2 amp Azimuth3 3 2 ref TEC TES add item 94 BRAKE DISENGAGE from LCU to ATS active when 99 038 contact closed Description activates the brake Electro pneumatic valve to disengage the brakes chapter LCU Azimuth3 3 2 item 86 change the naming to Transporter relocation from ATS to LCU active when contact open already defined in 3 5 5 item 11 Description action Az immobilized because AT not in station position connection to X15 nn add chapter3 5 5 item 12 Motion Stop Status from ATS to LCU description give the list of Motion
31. ENCODER Minimotor Optical HP HEDL 5540 500 5 VDC 500 lines turn Resolution in Quadrature 59200 counts mm 59 2 counts um Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 43 of 81 7 LCU ATS Encoder 5V VCC MAC4 INC Motion Controller Channel 1 8 LCU ATS Encoder GND MAC4 INC Motion Controller Channel 1 8 ATS LCU nook beg m A SWITCHES Micromat KS35A11 24V 4A max Repeatability 0 03mm 19 ATS LCU Reference amp Negative Limit NC MACA INC Motion Controller Channel 1 20 ATS LCU an amp Negative Limti MACA INC Motion Controller Channel 1 22 ATS LCU Positive Limit NC MAC4 INC Motion Controller Channel 1 23 ATS LCU Positive Limit COM MACAINC Motion Controller Channel 1 25 Global Shield Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 44 of 81 3 3 5 Azimuth Cable Wrap e The cable wrap control is an active motorized system and acts as a slave of the azimuth drive No control by ESO is required but status information shall be provided as listed in the table below The cable wrap guide has 2 electro mechanical switches located at each side of the guide pin The azimuth axis shall be stopped whenever one of the switches is activated In case it stops the azimuth a
32. EUROPEAN SOUTHERN OBSERVATORY Organisation Europ enne pour des Recherches Astronomiques dans l H misph re Austral Europ ische Organisation f r astronomische Forschung in der s dlichen Hemisph re VERY LARGE TELESCOPE Interface Control Document between the Electro Mechanical Hardware and the Control System of the Auxiliary Telescope System Doc No VLT ICD ESO 15100 1528 Issue 5 Date 15 01 03 Prepared G Chiozzi K Wirenstrand P Duhoux R Karban J M Moresmau M Duchateau Name Date Signature Approved B Koehler G Raffi Name Date Signature Released M Tarenghi Name Date Signature VLT PROGRAMME TELEPHONE 089 3 20 06 0 FAX 089 3 20 06 514 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 2 of 81 CHANGE RECORD ISSUE DATE SECTION PAG REASON INITIATION E DOCUMENTS REMARKS AFFECTED 081297 Issue for CFT Draft 1 1 9 sep 1998 All Font and format change Fig 1a and 1b Global change figure numbers changed All Changes highlighted covering Letter 18feb1998 5114 CP LT STJ MAH noted VLT VTE 98 0181 30 jun 1998 noted VLT TRE AMO 15100 0003 iss1 30 jun 1998 noted VLT VTE 98 0198 14ju11998 noted VLT MIN ESO 15100 1625 noted Open issues Station plug types Interface with Nasm wheel Coude beam sw FSS filter x y RS232 protocols Heidenhain 11uA or 1V sys
33. L 5540 500 5 VDC 500 lines turn Resolution in Quadrature 59200 counts mm 16 9nm count 7 LCU ATS Encoder 5V VCC MAC4 INC Motion Controller Channel 4 8 LCU ATS Encoder GND MAC4 INC Motion Controller Channel 4 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 61 of 81 SWITCHES Micromat KS35A11 24VDC 4A max Repeatability 0 02mm 19 ATS LCU Negative Limit NC MAC4 INC Motion Controller Channel 4 20 ATS LCU Negative Limit COM MAC4 INC Motion Controller Channel 4 21 Shield 22 ATS Lcu PositiveLimit NC MAC4 INC Motion Controller Channel 4 23 ATS LCU Positive Limit COM MAC4 INC Motion Controller Channel 4 25 Global shield PE Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 62 of 81 3 4 8 M6 Deformable Mirror E This function will not be implemented in the initial phase of the project but at a later stage However interface S requirements related to reserved space cable routing plug design etc apply e Control of the M6 Deformable Mirror for Adaptive Optics e ud So e The control is deployed on the Adaptive Optics LCU e This sub system belongs to the ESO delivery Last modified Wed Aug 4 07 54 19 METDST 1999 Interface Control Document
34. LCU ATS ROS Shutter Close command Bit set to close the ROS Shutter 11 LCU ATS_ ROS Shutter Open command Bit set to open the ROS Shutter nd STATUS to W42 20 ATS LCU ROS Shutter Close Status Bit set if ROS Shutter is fully closed 21 ATS LCU ROS Shutter Open Status Bit set if ROS Shutter is fully open Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 71 of 81 3 5 5 Transporter e The transporter is the mechanical part of the AT that is involved in the relocation procedure and hosts the anchoring system e The control is deployed on the Auxiliary LCU e The devices are controlled by the Siemens PLC connected to a RS232 Serial Port via Connector W42 There will be 10 relative simple on off drives connected to a manual control panel for the following functions telescope engage disengage transporter engage disengage telescope up and down transporter wheels up and down transporter direction transporter forwards and backwards ROS up and down enclosure open and close ROS lock and unlock OA G9 Ro The complete control of the transporter drives for the whole relocation sequence is under the contractor s responsibility but status information is provided to the ESO control system via signals connected to the LCUs Digital I O board 3 5 5 1 Transporter interfaces Item From To Si
35. Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 73 of 81 3 5 6 Service modules They control and or monitor the status of e Auxiliary power The status of the Auxiliary Power System shall be interfaced to the digital I O interface See drawing Power distribution schematics in section 3 1 1 on page 8 e The Hydraulic and Pneumatic systems HPS provide hydraulic and pneumatic power to the transporter and the enclosure e The Liquid Cooling module LCM is providing cooling power to the Air Conditioning the Thermal Control of the electro mechanical parts and to the FAS and FSS detectors e The control is deployed on the Auxiliary LCU e The Power Hydraulic and Pneumatic modules are controlled by the Siemens PLC connected to a RS232 Serial Port via Connector W42 e The Liquid Cooling module is controlled by the Sauter PLC connected to a RS232 Serial Port via Connector W41 3 5 6 1 Service modules interfaces Item From To Signal Description Pin COMMUNICATION Power Hydraulic amp RS232 Port to Siemens PLC Protocol W42 Pneumatic Systems RK512 3964R 1 ATS LCU Liquid Cooling Module RS232 Port to Sauter PLC Protocol W41 2 eran ada details in RD 10 TBD Item From To Signal Description Pin MONITORING 3 Flow Meter monitoring Digital I O Y35 Item From To Signal Descrip
36. Stop buttons currently engaged via the RS232 link Add chapter Altitude 3 2 2 item 83 and chapter 3 3 2 Azimuth Item 86 change the naming to Transporter relocation from ATS to LCU active when contact open already defined in 3 5 5 item 11 Description action Alt immobilized because AT not in station position connection to X11_nn Add chapter 3 3 2 Azimuth item 88 Enclosure area from ATS to LCU active when contact open Description Azimuth AND Enclosure interlocked while maintenance is being performed inside the enclosure Chapter 3 3 2 Azimuth item 83 84 change naming AT Motion Stop into Motion Stop for consistency with item 80 81 of 3 2 2 Altitude Chapter 4 Interlocks add item number Enclosure area is preferred to Altitude Maintenance Chapter 3 1 4 Station Plug item 13 Motion Stop 1 contacts to Altitude 1 contact to Azimuth free of potential item 14 from ATS to LCU Signal Transporter relocation contact free of potential the Carriage interlock is AMOS internal Overview schematic p 13 name VLTI Motion Stop instead of AT Motion Stop the VLTI Motion Stop goes to AMOS Motion Stop Chain the carriage lock goes to Contractor carriage controller Siemens PLC P20 item 64 contact closed if Altitude Locking pin DISENGAGED P34 Azimuth direction switch item 62 amp 63 add contact with opposite logicitem 62 amp 63 3 5 5 item 11 Relocation status two contacts instead of a single one Relocation t
37. VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 63 of 81 BLANK PAGE Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 64 of 81 3 5 Auxiliary LCU 3 5 1 LCU Configuration E Board Supplier Number x CPU Motorola MVME 167 8MB Digital 1 O Interface Acromag AVME 9481 Serial Interface ESD ISER8 This LCU is responsible for Device Connector Enclosure W42 Anemometers Air Conditioning W41 M1 Temperatures W41 W43 Signal Cabinet Temperatures Relay Optics Structure ROS Shutter W42 Lighting 218 Transporter W42 Service modules e Auxiliary power e Hydraulic and Pneumatic systems W42 e Liquid Cooling Module W42 W41 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 65 of 81 ATS contractor supply Sauter PLC Digital I O ISERS CPU 8 drives telescope dis engage transporter dis engage Anemometers telescope up down transporter up down transporter change dir transporter fwd backwd ROS control ROS Shutter station lid control Transporter Enclosure shells SO Auxiliary power Hydraulic group Pneumatic group Signal Cabinet pPTi00 T mbient Thermal controller PTi00 T Cabinet Service Modules Auxiliary LCU Las
38. and available The encoder is powered and provides the sincos incremental signals The amplifier performs a coherency check between the sine and cosine signals 24VDC Source Driver 24V 100mA max Digital SWITCHES 5 SW Pe 54 ats LCU ViiyNLS Comma 5 skied f 56 ATS LCU PE A Contact opens if positive interlock limit is crossed Limit 57 ATS LCU Interlock PLS Positive Common Limit 59 ATS LCU Intela k A Contact opens if negative interlock limit is crossed Negative Limit Interlock NLS 60 ATS LCU Nebative Limita Common Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 39 of 81 24VDC 10W max Contact 62 ATS LCU Direction switch 1 e Closed if in range 180 45 deg e Open if in range 90 360 deg Digital 63 ATS LCU Direction switch 1 Common 24VDC 10W max Contact 64 ATS LCU Direction switch 2 e Open if in range 180 45 deg e Closed if in range 90 360 deg Digital Contact open Motion Stop is active Motion Stop 24VDC menm AREA Motion Motion Stop Common 070000000 Station Id code 8 Digital lines pulled down to GND High Transporter in station position Lows di AT not i ition 86 ATS LCU Trandportey telocaton OW zimuth immobi ized because not in station position See Transporter_RelocationStatus 1 Digital line pulled down to GND 88 LCU
39. arameters e maximum torque the output torque cannot go beyond the set value e maximum speed the output speed cannot go beyond the set value 110 LCU ATS Signal selection Controller parameters e P LD servo loop gain adjustable on the fly e integrator anti windup e integrator limitation Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 41 of 81 3 3 3 M10 Drives e Control of the two low frequency M10 tilt motions required for output pupil position adjustment Control of the Dual Feed mirrors when implemented for output pupil position adjustment as well as reference object selection and tracking e The control is deployed on the Azimuth LCU e The device is connected to a RS232 port via connector W22 The two axes are driven by one OEM070 controller each The two controllers are daisy chained on the communication link The two controllers are located in the ROS and switched OFF when not in use for reduced heat dissipation The protocol is described in OEMO70 User Guide see Annex 1 p 23ff of RD 03 The contractor is responsible for the bootstrap procedure to be burned in EPROM The a angle is managed by the controller 1 while the B angle from the controller 2 The conversion between encoder counts after quadrature interpolation and radians or degre
40. button or key removed or Replace key Azimuth amp Enclosure closing Key in EWA Turn key in NOT Enclosure Area PLC inhibit on Drives immobilized enclosure opening amp Tel up down position EWA position Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 76 of 81 Anemometer Transporter PLC Enclosure Close Winshield give too high none windspeed Relocation Altitude amp Azimuth cal ae Dres Relocation not le Relocation status immobilized finished Important Note Before undertaking any recovery action one has to have well understood why the corresponding interlock has been activated and take the corrective action to prevent from activating the interlock in the future Moreover there are many internal locks The Transporter PLC checks the feasibility of each operator command the Sauter PLC is equipped with a watchdog that stops the air conditioning system and switches the alarm status on each electrical motor is equipped with PTC sensors each inverter is equipped with overcurrent protection See RD 03 and AD 06 Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 77 of 81 5 Electrical amp Optical Interfaces 5 1 Station Plugs The station plugs accommodate the cables and o
41. ccccccccccccccessseeseccceeeccaueseseecceseesaauseseeeeeeeeseuaaneeseeeeseeeaaaneess 66 9 5 3 O NON 68 3 5 4 Relay Optics Structure ROS Shutter eene eene enne 70 32 9 9 Transporter ic lidades 71 3 5 0 Service modules esee esenee etendas od hesan eea aa diede cs law odece dle edel e doen Tode dive deve doe dere de dae dnte des deben 73 licit cmn H 75 blectrical amp Optcal Interfaces hd teo eaa d TI 5 1 Station Plugs enc eene nene e e Ee Hee Hee Heec AA ce TI 5 2 GEL HE deta TT 5 3 PEC Ose et OS ee SSE SL Se SA SR SESE SS Se a Be Se Be See ee Bee POE 71 Mechanical Intertaces e 78 6 1 Local Control UNIS its 78 6 2 A E ALM AOE ORCC i 78 6 3 Pupil Beacon RI nh nomme 78 6 4 Nasmyth TOCOS e 5 wc oct eese taco 79 6 5 Future Extensions id 79 6 5 1 Adaptive Opucs 2204 Aaa a hue AoA RRA Re SRR ARERR ARR ane aa 79 03 2 Due oi 79 6 5 3 Atmospheric Dispersion Corrector cccooooccccnnoncnnnnnonannononnnnnocnnnnnnnonnnnn cnc nnne ETES 79 6 6 Connection type amp locations tt AAA Aaa 80 OOJ Termmal blocks cionado iii 80 6 62 NR 80 6 6 3 Heidenhain encoders cccccccccccccssssssseccceeeeeaaeeseeeeceeeeeessseeeeeeceeeeeaauaeseeeeeeseseuauaseeeeeseeeauaneees 80 6 0 4 Opticalnibr connection vse ee emu 80 6 69 ESO Terminal Blocks Yr eee nere A A ini dee 80 6 7 O O NN NS 80 Interface Control Document VLT ICD ESO 15100
42. cromat KS35A11 24V 4A max Repeatability 0 03 degrees 19 ATS Reference amp Negative Limit NC MAC4 INC Motion Controller Channel 1 20 ATS Reference amp Negative Limit MAC4 INC Motion Controller Channel 1 COM CS A 22 ATS Positive Limit NO MAC4 INC Motion Controller Channel 10 CS oo CIN AMS AU po Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 30 of 81 3 2 5 2 Nasmyth Beacon light sources interfaces Item From To Signal Description IMAGE BEACON LIGHT SOURCES 100 LCU ATS Switch Image beacon light source contact closed to switch on image beacon light source 1 1 on off Digital Output 101 ATS LCU Image beacon light source 1 contact closed means light source 1 switched on status Digital Input 102 LCU ATS Switch Image beacon light source contact closed to switch on image beacon light source 2 2 on off Digital Output 103 ATS LCU Image beacon light source 2 contact closed means light source 2 switched on status Digital Input Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 31 of 81 3 2 6 Telescope Temperature Sensors Monitoring of the telescope temperature sensors Monitoring of the Altitude cabinet temperature sensors The control is
43. d on the Coude Beam Splitting device The connection layout and pin assignment of Y20 is given in Annex 1 VLT DWG ESO 15154 1770 Last modified Wed 13 Dec 2000 16 53 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 47 of 81 BLANK PAGE Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 48 of 81 3 4 Sensor LCU 3 4 1 LCU Configuration Board Supplier Number CPU Motorola MVME 2604 PowerPC 333 MHz 32 4MB 1 S Time Interface ESOTM_ 00000 o 00 O Digital VO Interface Acromag AVME 9481 op RAD SME Boi mia Mia ed O ITCCD boards LIB INMOS BO16 LAB 28V power supply for TCCD Kniel CP28 2 Motion Controller MACCON MAC4 INC oo 45V4 15V Supply KNIELCPMI0 a This ICD specifies to use the couple ESO VMEASA servo amplifier and MACCON MAC4 INC motion controller both supplied by ESO for the implementation of the control of the FSS Filter Wheel FSS Field Diaphragm and the FSS Translation Stage X amp Y axes Tin mf ee ee This LCU is responsible for Device Terminal Block FSS Filter Wheel 212 FSS Translation Stage Z16 amp Z17 The field acquisition system the field stabilization system and the M6 drives and the Field Diaphragm as shown on the Figure below belong to the ESO delivery There is
44. d on the Sensor LCU e This sub system belongs to the ESO delivery e The device is connected to the Terminal Block Y31 3 4 2 1 Field Acquisition System interfaces The reference document for the FAS interface is RD 05 The connection layout and pin assignment of Y31 is given in Annex 1 VLT DWG ESO 15154 1787 Item From To Signal Description TCCD POWER SUPPLY 1 LCU ATS Power Line 28VDC 2A 3 CT TCCD OPTICAL FIBRE 13 LCU ATS Optical Fibre n n 1 to 8 See RD 05 and Note 1 Note 1 From LAB Board Front panel to ROS Plug Last modified Mon Dec 18 12 27 14 MET 2000 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 51 of 81 Control of the Field Stabilization System components STRAP system communication link to M6 liquid cooling This system is used for Field Stabilization e The control is deployed on the Sensor LCU e This sub system belongs to the ESO delivery e The device is connected to the connectors defined in AD 03 3 4 3 1 Field Stabilization System interfaces The applicable documents for the FSS interface are AD 03 and AD 04 Item From To Signal Description COMMUNICATION LCU lATS STRAP board console RS232 Port For maintenance only APD HEAD CONTROL i LCU ATS STRAP APD Head control lines T O lines to STRAP VME board LCU ATS STRAP APD Head signal lines See
45. diia acabo rte dace co Aa A bedudsnstocsbebsSedebstssedebstadeaenssasedens 2 TABDEEORGONDBNIS Arde e ctt dte rd e f tot iR te 7 I Scope Sica aaa 9 2 Documents and ACrOnytis AS 9 2 1 Apphlicable Documrients 7 2 1 1 odes ondes esdos tend os tensa et ee dina etes iine eee stes Sese tee ea 9 2 2 Reference Documents hoc oec e ei od ei ie e etes 9 2 3 Annex DOocUTDehits xe ue aeter pede URP Ud ege dean x Quee Cae ideas NOR QUEE SEDE RU RR UR QE REDE EUR EU TEQUE 10 2 4 AGCTOMYIMS ns ireann EnaA essa deve dece os edsda qs Fe dece ded ed sl ago Fede d e OA eos Fede de o eos ago Tete d e do ANEA 11 3 Interface Definition 5znsesnendesennsesessdnesxsessdexxsessdnexnsessSnixxsesesneins 12 3 1 Deployment of sub systems on the LCUS esssssessesseeeeeeeeeeeeneeee nennen nennen nennen nennen nne 12 Ss A O A recie eie I OI EO Oe SSM PR 88 12 3 k2 Gonventlons oe cen eR D i DIN 13 3 1 3 General requirements 2 292 d datedisetecetetedesededeteeetetedesededede cete ded esed edad eee aded oaia 13 4 4 Station Plugs ch se alee eR a eh eae 14 3 2 Al t de TCU epe cecerere erhre eepcocree ert certrecertrec errr eccr pce A RN 16 3 21 CU Config ration 3 e ee e e eei t a 16 3 2 2 Altitade drives sene RERO eR Rene enne 18 3 2 MM drive SA OO NON 24 DAs Pupil DECO e Moli Moti aN c MD DM teat attt 27 3 2 5 Nasmyth Wheel sy a a a 28 3 2 0 Telescope Temperature Sensors ceca ce San Sonne hae 31 3 3 AZ imu eo
46. e System RD 08 VLT TRE ESO 15154 1862 1 0 14 10 1999 Control Hardware Design Specification Preliminary Design Report IRDO VLT MAN ESO 17210 0600 Quid duco Noten Conrou senate User Manual ip 10 Sauter 04 52 EY 2400 Protocol Specification 1 VLT SCH ESO 15154 2202 o 14 7 2000 AT Station Pi Connection box internal wiring IRb12 VLT SPE ESO 10000 0016 2 07 10 1992 Basic Telescope definitions IR 13 VLT MAN DJO 11700 0001 1 02 12 1991 TCCD System User s manual IRb14 VLT CRE AMO 151240 086 3 0 10 04 2000 Station Plug Interface IRD15 VLT CRE AMO 151123 057 2 0 08 05 2000 M2 Pupil Beacon Interface RD 16 VLT CRE AMO 151281 124 1 0 05 06 2000 Dew point sensor inside enclosure IRD17 VLT CRE AMO 151800 145 2 0 08 08 2000 Installation of ESO cables RD 181 VLT ICD AMO 151800 137 1 0 08 03 2000 Interface control Document for the M2 support RD 19 VLT TRE AMO 151000 1225 12 12 2001 Altitude Cabinet Thermal Regulation Design 2 3 Annex Documents The following documents contain detailed interface drawings and are referenced in the text Reference Document Number Issue Date Title ANO VLT TRE ESO 15154 2400 1 1 22 01 2001 Auxiliary Telescope System LCUS Electrical amp Optical connections Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hard
47. ectors are indexed WO 3 1 3 General requirements These interfaces shall be compliant with the Electronic Design Specifications AD 01 and the Electro Magnetic Compatibility Specifications AD 02 These interfaces shall be identical for every AT unit The control racks shall be provided by the contractor according to AD 01 and shall contain not only the power and drive electronics of the contractor but provide also the space for the ESO LCUs All 4 LCUs are connected to station plugs for the power the time bus the control LAN and the Guide Acquisition LAN All LCUs and other equipment supplied by ESO shall be powered by 230V via the battery system supplied by the contractor as shown in the following figure ESO0 equipment 700 Batteries Transporter PLC 500w 8 E Other sensitive equipemnt 1507 E50 Main Power Switching Transporter Box electromechanical functions Hydraulic group Telescope electromechanical functions Switching Box Electrogen group Pneumatic group Air Conditioning Liquid cooling Power distribution schematics The electrical power of all this equipment is specified in the ATS technical specifications Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 14 of 81 LCU will be connected to UPS main power supply via circuit breakers and intermediate terminal blocks up to
48. er 24V 100mA max Digital 7 ATS LCU DriveOK no fault High DriveOK no fault When negated fault the drive is disabled and latched until a reset is applied Detailed fault information via the serial link Possible faults could be tacho hall sensor over under voltage over current 50 amp 70 over temperature etc Source Driver 24V 100mA max Digital 8 ATS LCU 400VAC Power OK High the 400VAC Power is OK Source Driver 24V 100mA max Digital 9 LCU ATS Amplifier drive power 24VDC 1 2A 10 LCU ATS Amplifier drive power GND 11 unused PE 14 LCU ATS Torque command Analog differential 10V Zin 10kQ Analog output 15 LCU ATS Torque command Analog differential 10V Zin 10kQ Analog output 18 LCU ATS Speed Torque mode High Speed mode The speed mode is used during manual operation for commissioning or maintenance with a dedicated hand set The torque mode is the nominal operation mode the drive amplifier generates the tacho signal and uses the axis incremental encoder for improved ripple performances 19 ATS LCU Motor Powered High 400V OK and Drive enabled Source Driver 24V 100mA max Digital TACHO scale 11 72 V s deg speed 1 7 deg s at Tacho out 20V Tacho output is positive when tube moves from horizon towards zenith 30 ATS LCU Tacho signal Analog symmetric 10V 5nA Analog input 31 ATS LCU Tacho signal Analog input Interface Control Document VLT ICD ESO
49. erface requirements apply Space and connection means for cable installation between the Wave Front Sensor and the Terminal Block located inside the Signal Cabinet shall also be provided Requirements Flanges shall be reserved for later installation of an additional Transporter RO plug to accomodate the cables needed for future Adaptive Optics and Dual Feed This additional plug will be installed by ESO Its supply is outside the contract s scope This plug shall be able to accommodate the most constraining of the two following connection schemes e A 100 analogue signals pins 2 fibre connections e B 15 analogue signal pins 28 fibre connections Space for Cables The space to be reserved for cable routing shall accommodate a cable fitting a 20mm thick rectangle equivalent section of 30mm diameter with a minimum bending radius of R 100mm running from the Transporter RO plug to the two corresponding reserved spaces DWG7 and DWG 8 of RD 02 6 5 1 2 Adaptive Optics LCU 6 5 2 Dual Feed 6 5 2 1 Coud focus environment In view of the future installation of the Dual Feed system at the Coud focus the following interface requirements apply Space and connection means for cable installation between M10df amp M11b and the Terminal Block located inside the Signal Cabinet shall be provided Requirements are already included in those defined in previous section cables for AO and WFS 6 5 2 2 Dual Feed LCU The space required i
50. es is given by a formula given by the contractor 3 3 3 1 M10 interfaces The connection layout and pin assignment of W22 and Z18 is given in Annex 1 VLT DWG ESO 15154 1770 Item From To Signal Description Pin COMMUNICATION 1 M10 Communication RS232 Port Protocol ASCII W22 9600 baud 8 data bits 1 stop bit no parity TILTING M10 Unit conversion formulae in annex 10 LCU ATS Set M10 absolute o B tilt angles Sets absolute M10 tilt angles 0 B in encoder counts two separate commands one per axis Software 11 LCU ATS Set MIO relative amp tilt angles Sets relative M10 tilt angles a8 in encoder Coininand counts two separate commands one per axis to W22 12 ATS LCU Get M10 absolute o D tilt angles Gets absolute M10 tilt angles cB in encoder counts two separate commands one per axis CONTROLLER LCU ATS Power On 24VDC 500mA rc to relay coil LCU ATS Power On retan Last modified Monday 03 05 2001 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 42 of 81 3 3 4 Coud Beam Switching Device e Control of the selection of the different elements that can be inserted in the beam in front of the Coud sensor It consists of 5 elements namely a Mirror reflecting the beam to FAS only a Beam Splitter sending the beam to both FAS and FSS a Free Hole to FSS only a Light Stop that prevents
51. for those parts only a mechanical interface existing see 6 3 Device Connection Field Acquisition System FAS 31 S Field Stabilization System FSS 0000000 See AD 03 O M6 to be replaced by Deformable Miror 00 Y33 Q FSSFiddDiphagm 0000000000000 Y34 B Flow Meter Y35 Power Supplies 5VDC 15VDC 8 28VDC Y31 Future Device M6 Deformable Mirror Adaptive Optics LCU 3 4 1 1 Cooling Monitor For safety and maintenance purpose a flow meter is installed in the liquid cooling circuit This device can detect rapidly any leak or obstruction in the cooling pipes Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 49 of 81 to the Liquid Cooling Module on AuxLCU 28V power B016 LAB Tecp Ctrl B016 LIB sa H heat exch E FSS Filter Wheel FSS Translation Stage X FSS Translation ROS Plug ATS contractor supply Sensor LCU Last modified Mon Dec 18 11 33 18 MET 2000 Su EG Ol Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 50 of 81 3 4 2 Field Acquisition System FAS e Control of the Field Acquisition System components CCD head pre amplifier temperature sensor liquid cooling This system is used for Auto Guiding e The control is deploye
52. gnal Description COMMUNICATION 1 T ter icati RS232 Port to Siemens PLC ransporter Communication e RK512 3964R o TRANSPORTE contact closed if transporter is operational i e all following modules are in Normal situation Oil level oil filter and oil Temperature of LCU Transporter status the hydraulic module are OK Compressed air in the tank Generating set amp Fuel in tank OK UPS on line Double contact one contact to altitude amp one contact to azimuth Contacts closed if relocation is completed 11 ATS LCU Relocation status 1 e all following conditions are verified e Transporter centred e Telescope engaged e ROS engaged against Telescope Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 72 of 81 400V OK Generating set command OFF Remote mode Portable panel OFF not connected Interior door closed Double contact one contact to altitude amp one contact to azimuth Contact open if a Motion Stop is activated i e the following Motion stops are activated the motion stop identification is done via the serial port e List of Motion stops VLTI Motion Stop Altitude cabinet Motion Stop Signal cabinet Motion Stop ASIII Motion Stop panel V panel Motion Stop ROS III Motion Stop panel ROS IV Motion Stop panel ASIIV Motion Stop panel 12 ATS LCU Motion Stop status
53. is the nominal operation mode the drive x Een am perth Toue mage Pies generates the tacho pal and uses the axis incremental encoder for improved ripple performances Source Driver 24V 100mA max Digital High 400V OK and Drive enabled 19 ATS LCU Motor Powered Source Driver 24V 100mA max Digital TACHO scale 9 4 V s deg speed 2 12 deg s at Tacho out 20V Tacho output is positive when azimuth moves C C W as seen from the top 30 ATS LCU Tachosignal DA Analog input 31 ATS LCU Tacho signal Analog input 32 Shield PE High Sensitivity is increased by factor 8 Contact status 33 LCU ATS Tacho Range 8x 24VDC 6 6kQ to GND Digital 34 ATS LCU Tacho Range High Sensitivity is increased by factor 8 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 38 of 81 Source Driver 24V 100mA max Digital High Tacho OK the tacho signal is ouput to ESO LCU When Encoder OK is asserted the drive amplifier uses the sine amp cosine signals from the axis encoder are for commutation and 35 ATS LCU Tacho OK improved ripple performances If coherency between the two signals is lost the tacho OK is negated Source Driver 24V 100mA max Digital ENCODER 4 heads ERA 780 T Heidenhain IK320 buffered output 1 V peak to peak sine cosine A B signals 47 LCU ATS Encoder OK High Encoder OK
54. loyed on the Altitude LCU 1 3 2 4 1 Pupil Beacon interfaces Item From To Signal Description PUPIL BEACON LIGHT SOURCES 1 LCU ATS Switch Pupil beacon visible light source contact closed to switch on visible light source on off Digital Output 2 ATS lLcuU Visible light source status contact closed means visible light source switched on 5 Digital Input 3 LCU ATS Switch Pupil beacon infrared light contact closed to switch on infrared light source source on off Digital Output 4 ATS reo Infrared light source status contact closed means infrared light source switched on 5 Digital Input Last modified Wed Sep 20 15 24 25 METDST 2000 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 28 of 81 3 2 5 Nasmyth wheel e Control of the position of the wheel including motor tachometer encoder and limit switches This 4 element device consists of a Flat Retro Reflecting mirror a Free Hole and 2 positions for dedicated Alignment Tools 2 light beacons half masks The motor and tacho are connected to the ESO standard VME4SA Servo Amplifier and the encoder to the MAC4 Motion Controller The tacho generator is mounted on the motor The velocity loop is closed in the amplifier There are two switches one of them is used as a reference switch e Control of the 2 Image Beacon Light Sources in one of the dedicated Alignment Tools Ont
55. n electronic interface The mechanical interface is the location and fixation on the transporter The electrical interface are the commands and monitoring signal lines necessary for the operation of the entire system under control of the central control workstation The contractor is responsible for the low level specification encoder resolution friction etc which are necessary to meet the performance requirements as defined in the Technical Specifications Even though the final position control of Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 13 of 81 these elements is under ESO responsibility the contractor shall verify performance requirements using his own verification control electronics except for the azimuth and altitude loops 3 1 2 Conventions All Terminal Blocks and connectors referenced in this document have been labelled as described below Label Connector Type Description z Terminal Block Interface LCU to Contractor device W DB9Conncto Any RS232 RS422 or RS485 interface y Terminal Block Interface LCU to ESO device The signals are described as seen from the LCU The terminal blocks Yn and DB9 connectors Wn have been indexed following the product tree numbering implemented in RD 08 LCU Index LCU Index Altitude In Azimuth 2n Sensor 3n Auxiliary 4n The LCU console conn
56. ncoder 5V VCC MAC4 INC Motion Controller Channel 2 8 LCU ATS Encoder GND MAC4 INC Motion Controller Channel 2 Differential line driver A 19 D y coder MAC4 INC Motion Controller Channel 2 Differential line driver A 1 ATS rcu Encoder A MAC4 INC Motion Controller Channel 2 Differential line driver B B ATS LGU Encoder B MAC4 INC Motion Controller Channel 2 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 58 of 81 Differential line driver B 14 219 TED Encoder B MAC4 INC Motion Controller Channel 2 Differential line driver I 16 pu zm eed i MAC4 INC Motion Controller Channel 2 Differential line driver I h7 fars eo encoder MAC4 INC Motion Controller Channel 2 SWITCHES Model TBD TBDV TBDA max Repeatability TBDdegree 18 ATS LCU oe switch MAC4 INC Motion Controller Channel 2 18 ATs Lcu Reference switch MAC4 INC Motion Controller Channel 2 Y COM e on E Last modified Wed 16 May 2001 17 26 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 59 of 81 3 4 7 FSS Translation Stage e Control of the XY translation stage used as support for the FSS Detector including motor tachometer encoder and reference switches The motor and tacho are connected to the ESO standard VME4SA Servo Amplifier and
57. ned in Telescope basic definitions RD 12 The telescope tube points to zenith when the altitude angle a 90 to horizontal direction when a 0 The PID controller for the velocity of the Altitude drive will be included inside the LCU It will provide an analogue signal as a reference with 10Vdc maximum to the current loop which belongs to the supply of the contractor and which may be included in his power amplifiers The tachometer shall provide an analog signal 10Vdc proportional to the actual speed of the drive system to the LCU as an analog symmetrical signal via a screened twisted pair cable The connection between the encoder and the IK320 module in the LCU is defined in AD 07 The limit switch and brake status shall be connected to the ESO standard digital I O board via the interlock system as defined in the Electronic Design Specification AD 01 The interlock system is supplied by ESO The power 24VDC 0 6A for the PHASE drive is supplied by the LCU 3 2 2 1 Altitude drive interfaces Proposed interface requirements according to the PHASE design using a fully digital amplifier as in AD 05 The connection layout and pin assignment is given in AN 01 Annex 1 VLT DWG ESO 15154 1769 Item From To Signal Description COMMUNICATION PHASE RS485 Port Protocol S Link 3 RD 06 Communication AMPLIFIER Drive constant amplifier motor Kt 92Nm V 1 LCU ATS Power On 24VDC 100mA supply to relay coil Main power input relay
58. ned in the Electronic Design Specification AD 01 The interlock system is supplied by ESO The power 24VDC 1 2A for the PHASE drive is supplied by the LCU 3 3 2 1 Azimuth drive interfaces Proposed interface requirements according to the PHASE design using a fully digital amplifier as in AD 05 The connection layout and pin assignment is given in Annex 1 VLT DWG ESO 15154 1770 Item From To Signal Description COMMUNICATION PHASE Communication RS485 Port Protocol S Link 3 RD 06 AMPLIFIER Drive constant amplifier motor Kt 108 Nm V 1 LCU ATS Power On 24VDC 100mA supply to relay coil Main power input relay Digital LCU ATS Amplifier Enable High Enable Contact closed to enable the amplifier output stage Toggling that signal resets externally triggered faults e 1 PTC overtemperatures Overspeed encoder fail signal Digital 4 LCU ATS inhibit positive Low inhibit is asserted when positive vicinity limit is active When the amplifier is in speed mode manual only the Positive velocity reference is clipped the amplifier stop further motion in the corresponding direction When the amplifier is in torque mode nominal configuration the ESO velocity speed loop sends apropriate command to stop further motion in the corresponding direction 5 LCU ATS inhibit negative Low inhibit is asserted when negative vicinity limit is active When the amplifier is in speed mode manual only the Negative
59. nel 1 2 LCU ATS Motor M VMEASA Servo Amplifier Channel 1 3 Shield MSH TACHOGENERATOR Minimotor 1 5 G 1 5mV rpm 4 ATS LCU Tacho T VMEASA Servo Amplifier Channel 1 5 ATS LCU Tacho T VMEASA Servo Amplifier Channel 1 6 Shield TSH ENCODER Minimotor Optical HP HEDL 5540 500 5 VDC 500 lines turn Resolution in Quadrature 29600 counts degree 0 12 count 7 LCU ATS Encoder 5V VCC MAC4 INC Motion Controller Channel 1 8 LCU ATS Encoder GND MAC4 INC Motion Controller Channel 1 Differential line driver A 10 ATS lt U Encoder At MAC4 INC Motion Controller Channel 1 Differential line driver A B ae LGU Paes MAC4 INC Motion Controller Channel 1 Differential line driver B ATS TY Encoder MAC4 INC Motion Controller Channel 1 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 56 of 81 Differential line driver B 14 i DC Encoder B MAC4 INC Motion Controller Channel 1 Differential line driver I m am ERU Encoder Iy MAC4 INC Motion Controller Channel 1 Differential line driver I E cU LGU Encoder I MAC4 INC Motion Controller Channel 1 SWITCHES Micromat KS35A11 24V 4A max Repeatability 0 03degree 19 ATS LCU Reference switch NC MAC4 INC Motion Controller Channel 1 20 ATS LCU Reference switch COM MAC4 INC Motion Controller Channel 1 21 Shield 25 Global shield PE Last modified Wed Jan 150 10
60. ng is performed via the Serial link 3 5 2 1 Enclosure interfaces Item From To Signal Description COMMUNICATION 1 Enclosure and Anemometer RS232 Port to Siemens PLC Communication Protocol RK512 3964R Item From To Signal Description SEALS STATUS 10 ATS LCU Enclosure seals inflated shells clamped Bit set if shells clamped and seals fully inflated status PLC Digital Input 11 ATS LCU Enclosure seals deflated shells Bit set if seals fully deflated and shells unclamped unclamped status PLC Digital Input GLOBAL STATUS contact closed if Enclosure is closing automatically 20 ATS LCU Enclosure closing automatically PLC Digital Input contact closed if Enclosure is in local control 21 ATS LCU Enclosure local status PLC Digital Input ANEMOMETER MONITOR Anemometer 1 30 ATS LCU wind speed in X Y Z Software command to W42 X Y Z coded over 8 Bits in m s Aueinonictbr d Note directions are related to the Anemometer hence 32 ATS LCU relative to the opening of the Enclosure shells wind speed in X Y Z Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 67 of 81 Item From To Signal Description ENCLOSURE CONTROL asserted to open the enclosure front shell at the next 100 LCU ATS Enclosure front shell open command start command negate to close at the next start command
61. o Altitude contact free of potential from ATS to LCU Relocation to Azimuth contact free of potential from ATS to LCU 3 5 5 add item 12 Motion Stop status two contacts Motion Stop to Altitude contact free of potential from ATS to LCU Motion Stop Azimuth contact free of potential from ATS to LCU the motion stop identification is done via the RS232 W42 p39 chap3 3 5add after the guide pin when the limit switch is active azimuth is interlocked a manual override is provided in case M7 is in front of the GIS door and prevent maintenance access to the azimuth cable wrap ICD X naming of ICD terminals changed to Z Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 5 of 81 Field Replace Strap TB Y32 by defined in ADO3 connectors p45 Stabilisation System FSS Translation and a negative Imit switch NLS Add One of them is used stage as reference switch M6 ICD requirements for the M6 drives tip tilt mirror and future AO Electrical power 230V UPS 0 75mm2 Electrical signals 1 x WAGO interface module Cooling connections Fibre link to M6 and 12x2 electrical signals for control lines Enclosure The two Young anemometers are configured with analog output reading of UVW is via the Siemens PLC Station plug The detailed Station Plug connections are given in RD10 There 12 fibres 24 electrical contacts page 12 chap 3 1 4 3 1 4 Item
62. ptical fibres provided by ESO at every station the details of the implementation is given in Station Plug Interface RD 14 The main characteristics of the station plug are e 400V Non UPS electrical power shield e 12 Optical fibres multi mode graded index with core diameter of 62 5 um and cladding P125um The optical fibres will carry Control LAN Guide Acquisition LAN Time Bus o High data rate links 1 amp 2 e 24 Electrical lines Section 0 14mm2 Shield to PE o 2 for Motion Stop 8 for station ID 1 for carriage interlock 24VDC line 12 spare lines 5 2 Cables ESO provides the guiding and mechanical fixation of the cables connected between LCU and terminal blocks in order to avoid mechanical stresses on electrical connections All other cables as described in Installation of ESO cables RD 17 shall be routed and mechanically fixed by the contractor except Nasmyth and Pupil beacon fiber OO 0 0 0 0 0 The cables labelling is described in RD 17 It follows the template Ca ESO b c where a is a sequential number b is the input connection location c is the output connection location The locations and their abbreviation is described in annex 3 of RD 17 and in drawing Telescope control cabling path of ANOI 5 3 PLC VO VO characteristics description Input Output Remark Siemens PLC on Transporter PNP Open collector Load between output and ground PHASE Drive controller NPN Totem pole Load between o
63. rface ESOTBD gt d O IntelokInterfae ESOTBD i 0 d n Digital I O Interface Acromg AVME9481 S l Analog OInterface VMICVMIVME3111 Qo Y Serial Interfase ESDISER8 J Motion Controller MACCONMACMINC 14 Servo Amplifier ESO VMEASA 01 1 This ICD specifies to use the couple ESO VMEASA servo amplifier supplied by AMOS and MACCON MAC4 Motion controller supplied by ESO for the implementation of the control of the Coud Beam Switching device and of the Transversal Atmospheric Dispersion Compensator foreseen at a later stage as an ESO supply N me This LCU is responsible for Device Terminal Block Azimuth drive a M10 to be replaced by Dual Feed Mirror Z18 W22 Coud Beam Switching Device 0000 z10 Azimuth cable gn E Future Device Terminal Block S M10 Dual Feed Mirror Dual Feed LCU 2 Transversal Atmospheric Dispersion Compensator Y20 Pd Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 35 of 81 3 3 1 1 Schematic ATS contractor supply w22 11 y 3 Con QM M10 pa Power Suppl y Interior Door AT Motion Stop Station Id Transporter Relocation ISER j gt u Cable wrap Interlock Digital I O Analog I O E Ampli I F ZXIK320 MAC4 INC p Coud Beam VME4 SA s
64. roller Channel 3 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 60 of 81 Differential line driver A HM is DEB Encoder A MAC4 INC Motion Controller Channel 3 gt Differential line driver B la PS ERU Encoder Br MAC4 INC Motion Controller Channel 3 Differential line driver B 14 PS EGU Encoder B MAC4 INC Motion Controller Channel 3 Differential line driver Z lO ATS LEU Paeodec Tr MAC4 INC Motion Controller Channel 3 E Differential line driver Z E ATS LCU Encoder MAC4 INC Motion Controller Channel 3 18 Shield SWITCHES Micromat KS35A11 24VDC 4A max Repeatability 0 02mm 19 ATS LCU Negative Limit NC MAC4 INC Motion Controller Channel 3 20 ATS LCU Negative Limit COM MAC4 INC Motion Controller Channel 3 21 Shield 22 ATS LCU Positive Limit NC MAC4 INC Motion Controller Channel 3 23 ATS LCU Positive Limit COM MAC4 INC Motion Controller Channel 3 24 Shield Y Axis Item From To Signal Description MOTOR Minimotor DC Brush 2233 0248 24VDC 2 53W GearBox 29 6 1 Screw Pitch 1mm 1 LCU ATS Motor M VMEASA Servo Amplifier Channel 4 2 LCU ATS Motor M VMEASA Servo Amplifier Channel 4 3 Shield MSH TACHOGENERATOR Minimotor 1 5 G 1 5mV rpm 4 ATS LCU Tacho T VMEASA Servo Amplifier Channel 4 5 ATS LCU Tacho T VMEASA Servo Amplifier Channel 4 6 Shield TSH ENCODER Minimotor Optical HP HED
65. ry e The device is connected to the Terminal Block Y33 3 4 4 1 M6 drives interfaces The connection layout and pin assignment of Y33 and ST1 amp ST2 is given in Annex 1 VLT DWG ESO 15154 1787 Item From To Signal Description M6 TIP TILT CONTROL Tip tilt angles o amp B 16 bits command via optic fibre Data Strobe 4 COMACK co oo Output ob LCU M6 Data Strobe Common Common XTARONI Input Active high Monitor M j DP eR On on X channel Digital Input X On Target Common Common YTARONI Input Active high Monitor i Me kee O Target Target On on Y channelDigital Input 7 M6 LCU Y On Target Common Common Bod M6 TIP TILT MONITOR XOVERFI Input Active low Overflow aM iTS d AVEO error indication on X channel Digital Input 21 ATS LCU X overflow Common Common YOVERFI Input Active low Overflow io m ud idad error indication on Y channel Digital Input Y overflow Common Common Power Monitor POWMONI Input Active high Power SSE SE OEG monitor and Interface board Shield They are defined in the STRAP interfaces RD 07 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 54 of 81 3 4 4 2 M6 Software Interface Item From To Signal Description Pin CENTERING Software LCU ATS Center M6 Set M6 to Center Position M6 Command to STRAP TILTING LCU ATS Set M6 ab
66. s Distr Box Azimuth LCU Sensor LCU Z 5 ve r 1 L 4 Last modified Mon 14 May 2001 10 27 VLTI Motion Stop Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 16 of 81 3 2 Altitude LCU 3 2 1 LCU Configuration BARA Suptlir Numer CPU Motorola MVME 2604 PowerPC 333 MHz 16MB 1 Time Interface ESOTIM TO E Encoder interface Heidenhain IK 320 1d EICIUTONEEN OI NES MENSENI GS O Interlock Interface ESOTBD n o 0d Digital VO Imerface AcomagAVMEO4BI Nnr N L Analog T O Interface VMIC VMIVME 3111 1d Y Serial Interface ES BR d Motion Controller MACCONMACMINC 1 Servo Amplifier ESOVME4SA 01 d Hexapod controller Delta Taa PMAC E This ICD specifies to use the couple ESO VMEASA servo amplifier supplied by AMOS and MACCON MACA Motion controller supplied by ESO for the implementation of the control of the Nasmyth wheel The decision to assign the control of this wheel to this LCU was driven by the space requirement in the azimuth cable wrap mt et ll ll l l This LCU is responsible for Device Terminal Block Altitude e A M2 drives te Pupil Beacon Eso Internal Nasmyth Wheel eee Nasmyth Beacon ESO Internal Telescope Temperature Sensors Z4 W12 3 2 1 1 LCU Console The
67. s defined in Local Control Units 6 5 3 Atmospheric Dispersion Corrector The Relay Optics Structure shall provide an interface for future installation of an Atmospheric Dispersion Compensator ADC The following requirements apply Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 80 of 81 Space and connection means for cable installation between the ADC and the Terminal Block located inside the Signal Cabinet shall be provided with the following characteristics e cable diameter 20mm e bending radius 100mm e Connector 25poles 1A low voltage 6 6 Connection type amp location 6 6 1 Terminal blocks They are used for common electrical connections these are referenced Zn and Yn Terminal block type eg Phoenix MTTBI 5 or Wago TBC Industrial Type WAGO INTERFACE MODULE No 289 533 Z1 Z5 WAGO INTERFACE MODULE No 289 556 Y33 WAGO INTERFACE MODULE No 289 546 Y333 WAGO X COM Serie 870 No 870 101 Z11 Z21 Z22 Z23 ESO custom made Type ATS MODULE VMEASA 1 INTERFACE Z3 Z10 Z12 Z16 Z17 Y20 Z34 ESO I O Interface Adapter 9916 21 Z18 6 6 2 Serial interfaces They will be connected through standardized DB9 connectors grouped together on a panel with front access These are referenced Wn 6 6 3 Heidenhain encoders They will connect directly to the LCU front panel of the IK320 interface Connector type DB9 6
68. solute 0 B tilt Sets absolute M6 tilt angles o D in radians angles Software LCU ATS Set M6 relative a8 tilt Sets relative M6 tilt angles 05D in radians Command angles to STRAP 4 ATS LCU_ Get M6 absolute o B tilt Gets absolute M6 tilt angles 0 B in radians angles Last modified Mon Dec 18 13 55 49 MET 2000 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 55 of 81 3 4 5 FSS Filter Wheel e Control of the position of the filter wheel that allows the insertions of 6 neutral density filters before the FSS The motor and tacho are connected to the ESO standard VME4SA Servo Amplifier and the encoder to the MAC4 Motion Controller The tacho generator is mounted on the motor The velocity loop is closed in the amplifier There is one switch used as a reference switch e The control is deployed on the Sensor LCU e The device is connected to the Terminal Block 212 The motor control is a pure SW interface the target position and Velocity are passed to the Motion Controller E 3 via the VME bus The motor control software is provided by ESO 3 4 5 1 FSS Filter Wheel interfaces The connection layout and pin assignment is given in Annex 1 VLT DWG ESO 15154 1787 Item From To Signal Description MOTOR Minimotor DC Brush 2233 024S 24VDC 2 53W gear 29 6 worm gear 180 1 1 LCU ATS Motor M VMEASA Servo Amplifier Chan
69. t go beyond the set value e maximum speed the output speed cannot go beyond the set value Controller parameters e PLD servo loop gain adjustable on the fly e integrator anti windup e integrator limitation Our lt SO Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 23 of 81 Z11 TERMINAL BLOCK AZIMUTH CABLEWRAP Item From To Signal Description 2 ATs LCU Motion Stop Common 3 ATS LCU Relocation High Transporter in station position Low Altitude immobilized because AT not in station 4 ATS LCU Relocation position LCU LCU PHASE R TX 25 LCU LCU PHASE R TX E PHASE return 20 LCL ERE R TX PHASE RS485 communication link 27 LCU LCU PHASE return R TX Ground Ground 3 LCU Lcu PMACTxD 31 cu Lcu PMACRxD 3 ecu Lcu PmAcRTs E pen ien PMACCIS PMAC RS232 communication link 4 cu LCU Grouwa 35 LCU Lcu PMACretumTxD 36 LCU LCU PMACretumBxD 37 LCU LCU PMACretumRTS 38 LCU Lcu PMACretumCTS l LCU fcu CPUORXD 40 LCU LCU CPUO TXD EA RS232 communication link 41 LCU LCU Ground 42 LCU LCU Ground 43 LCU LCU CPUI TXD VOU RS232 communication link 44 LCU LCU CPUI RXD Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and
70. t modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 66 of 81 3 5 2 Enclosure and Anemometers e The telescope enclosure sub system consists of the 2 half shells of the enclosure slit the associated seals the six 6 clamping actuators and 2 telescope anemometers 3D located on top of the enclosure and mounted 45 degrees apart the local vertical This configuration allows proper computation of the wind speed and direction independently of the opening angle of the enclosure shells The slit open close motion is performed to close the enclosure of the telescope during day time and so to be able to protect the equipment and control the temperature inside the telescope in the building When the wind speed measured on the local anemometers exceeds 18 m s the opening of the slit is not allowed if the slit is open it is automatically closed if possible The Remote control of the enclosure sub system is only possible when the corresponding button of the enclosure control panel is in REMOTE position All signals described in the table below are mapped into the PLC and are accessible via status commands e The control is deployed on the Auxiliary LCU e The Enclosure is controlled by a Siemens PLC connected to a RS232 Serial Port via Connector W42 e The 2 anemometers 3D are connected to the Siemens PLC Their monitori
71. t of sub systems on the LCUs 3 1 1 Introduction The interfaces between the Control Software of the ATS and the Electro Mechanical Hardware are implemented at LCU level Typically one LCU is fully responsible for one or more sub systems When mapping the interfaces for the sub systems described in the following sections with the requirements captured in the Use Cases take into account that every sub system corresponds to an Actor in the Use Cases The Auxiliary Telescopes control system is distributed over 1 Workstation and 4 separate Local Control Units It is responsible for the control of 13 main and 5 auxiliary electro mechanical functions and 2 detectors e Altitude LCU Altitude drive M2 drives Pupil beacon Nasmyth wheel Temperature Sensors Azimuth LCU Azimuth drive M10 to be replaced by Dual Feed Mirror MIODEFM Coud Beam Switching Device Azimuth cable wrap M10 Dual Feed Mirror Transversal Atmospheric Dispersion Compensator Sensor LCU Field Acquisition System FAS Field Stabilization System FSS M6 to be replaced by Deformable Mirror M6DM FSS Filter Wheel FSS Aperture Field Diaphragm FSS Translation Stage M6 Deformable Mirror Auxiliary LCU Enclosure Air Conditioning Relay Optics Structure ROS Shutter Transporter Service modules Auxiliary Power Hydraulic and Pneumatic systems Liquid Cooling Module Each individual LCU is contained in an electronic cabinet and has a mechanical and a
72. tem Front space for ATS lt gt LCU connections Volume of workstation 2 21 oct All Validated revisions as of draft 1 1 1998 Implemented changes as per att 2 of VLT MIN ESO 15100 1669 meeting 15 16 sep 1998 Interface to Nasmyth Wheel and FSS equipment as in Issue 1 Implemented changes as per VLT AMO 98 0030 150ct1998 and answer VLT VTE 98 0298 3 All Restructured paragraphs layout prep 1 Added all new interfaces as identified on SW Requirements Specification document VLT SPE ESO 15151 1712 Changed accordingly to AMOS Preliminary Design Review documents 3 Updated according to AMOS comments on prep 1 prep 2 Restructured all paragraphs for better readability Added Telescope Temperature Monitor to Azimuth LCU Moved Nasmyth Wheel device from Azimuth to Altitude LCU Moved FSS Filter Wheel Translation Stage to Sensor LCU Added FSS Field Diaphragm in Sensor LCU Foresee Atmospheric Dispersion Corrector on Azimuth LCU Added signal reference for brakes in Alt Az drives Added PHASE encoder signals input Updated according to AMOS Fax VLT AMO 99 0017 4 2 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 30 jul 1999 10 Sep 1999 Alt amp Az 3 of 81 Updated according to AMOS Fax VLT AMO 99 0037 ESO Fax VLT VTE 98 0222 VLT VTE 98 0279 VIF 99 0017 and VLT VTE 99 0056 Minutes of meeting VLT MIN ESO 15100 1861
73. the beam to reach neither FAS nor FSS and a FSS pupil viewer which enables to view the image of the pupil on the FSS APD using the FAS The motor and tacho are connected to the ESO standard VME4SA Servo Amplifier and the encoder to the MAC4 Motion Controller The tacho generator is mounted on the motor The velocity loop is closed in the amplifier There are two switches one of them is used as a reference switch e The control is deployed on the Azimuth LCU e The device is connected to the Terminal Block Z10 The motor control is a pure SW interface the target position and velocity are passed to the Motion Controller via the VME bus The motor control software is provided by ESO E The functionalities to be provided are S Set absolute position of Coud Beam Switching Device axis O O n 1 y Set Light Stop Set FAS only Set FAS FSS Beam Splitter Set FSS only Free Hole Set FSS pupil viewer 3 3 4 1 Coud Beam Switching Device interfaces The connection layout and pin assignment of Z10 is given in Annex 1 VLT DWG ESO 15154 1770 Item From To Signal Description MOTOR Minimotor DC Brush 2233 024S 24VDC 2 53W Gear 29 6 1 1 LCU ATS Motor M VMEASA Servo Amplifier Channel 1 2 LCU ATS Motor M VMEASA Servo Amplifier Channel 1 3 Shield MSH TACHOGENERATOR Minimotor 1 5 G 1 5mV rpm 4 ATS LCU Tacho T VMEASA Servo Amplifier Channel 1 5 ATS LCU Tacho T VMEASA Servo Amplifier Channel 1 6 Shield TSH
74. tion Pin AUXILIARY POWER contact open if undervoltages on power line 10 ATS LCU main power status fron stanon plug Software Command to ATS LCU Battery status contact open if battery is NOT OK W42 y Digital Input HYDRAULIC amp PNEUMATIC SYSTEMS 20 LCU ATS Hvdraulic Svstem control Switch On Off if control nanel button is in Software Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 74 of 81 Remote position ATS LCU Hydraulic System status Comandi LCU ATS Pneumatic System control Switch On Off if control panel button is in W42 Remote D ATS LCU Pneumatic System status LIQUID o MODULE Software 30 ATS LCU LCM Status piet LA NT sas Command to and Liquid cooling Temperature W41 E 31 LCU ATS Flow meter 24VDC 2 32 ATS LCU Flow meter signal Frequency as a function of flow 33 Shield Y35 1 Y35 2 Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 75 of 81 4 Interlocks The Interlocks are dependent on the design They are to be defined during design by the contractor according to the safety requirements manual operation and maintenance needs ESO has defined three types of interlocks e Motion Stop Interlocks general interlocks generated by actuation of the Mo
75. tion Stop switches mounted in the AT One of the push buttons must be of type locking key All Motion Stop have the same action their location and quantity are defined in AMOS Control System document RD03 Chapter 12 e Local Interlocks these interlocks are used to prevent specific actions between equipment e Equipment Interlocks these interlocks are used to prevent specific actions within an equipment The hazard analysis is provided in ADO6 4 1 1 1 Interlocks Table pubsystem gt Action Cause Recovery Action Generating Receiving VLTI Motion Main Drives Stop immobilized EP OS All subsystems except Except small axes AT Motion Stop those supplied by battery NFD CFD FSS on AT and small axes M2 MIO Transporter PLC Power Shutdown Watchdog Eri PLC Hardware Limit Azimuth Drive immobilized Limit Switch Move back into stroke Hardware Limit Altitude Drive immobilized Limit Switch Move back into stroke Interior Door PHI x TERDSPUTUST Drives immobilized Limit Switch Close the door up down Put Alt Locking pins ae Altitude Drive immobilized Limit Switch into unlocking position Altitude Parking Telescope Up Drive immobilized Parking Switch Put Altitude axis in Shell closing if Telescope Parking position is not in lowest position 2 Azimuth amp Azimuth Cable T e Azimuth CWP Move back Az axis Stroke limit Drive immobilized e Wrap Limit Switches into stroke Button pressed Release
76. utput and ground Last modified Mon Dec 18 10 22 04 MET 2000 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 78 of 81 6 Mechanical Interfaces 6 1 Local Control Units The table sumarizes the volume and location requirements for ESO LCUs and network equipment Equipment Size Cabinet Location Altitude LCU Altitude Fork B side See RD 03 Section 5 1 Azimuth LCU 19 VME Chassis Sensor LCU Depth 500mm Height 7U m 6 for VME chassis 1 for fan The entire left part of the Signal Auxiliary LCU Cabinet is let for integration of Teaco ESO equipment P Adaptive Optics LCU See RD 03 Section 5 4 Dual Feed LCU Network Equipment 3U x 500mm Access to the back of each LCU cabinet is provided The signal cabinet will be movable for access to the rear side and to the GIS signal connection point The Altitude cabinet will be mounted on sliding rails for easier maintenance access The Altitude VME occupies the top of the Altitude cabinet above the M2 control chassis Its ventilation is vertical The air intake is done at the bottom of the VME within the allocated 7U volume The air exhaust is done at the top of the Altitude VME and requires a clearance of about 2 cm The space between the top of the Altitude VME and the top cover of the Altitude cabinet is kept free for ventilation 6 2 Detector and M6 drives The mechanical
77. ware 5 and the Control System of the ATS 15 01 03 11 of 81 2 4 Acronyms This document employs several abbreviations and acronyms to refer concisely to an item after it has been introduced The following list is aimed to help the reader in recalling the extended meaning of each short expression ACE Array Control Electronics ADxx Applicable Document xx ADC Atmospheric Dispersion Corrector Compensator AFD Aperture Field Diaphragm ALT Altitude Axis APD Avalanche Photo Diode AT Auxiliary Telescope unit ATS Auxiliary Telescope System ATCS Auxiliary Telescope Control System CBSD Coud Beam Switching Device DFM Dual Feed Mirror EMC Electromagnetic Compatibility ESO European Southern Observatory FAS Field Acquisition System FSS Field Stabilization System GIS Ground Interface Structure LAN Local Area Network LCM Liquid Cooling Module LCU Local Control Unit NDF Neutral Density Filter PE Protective Earth PLC Programmable Logic Controller ROS Relay Optics Structure RDxx Reference Document xx STRAP System for Tip tilt Removal with APD TADC Transversal Atmospheric Dispersion Corrector Compensator TCCD Technical CCD System TIM Time Interface Module WS Unix Work Station Last modified Mon Dec 18 10 22 04 MET 2000 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 12 of 81 3 Interface Definition 3 1 Deploymen
78. witching evice TIM devi Azimuth LCU Last modified Wed Jan 150 10 20 44 MET 2003 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 36 of 81 3 3 2 Azimuth drive e Position control of the telescope azimuth axis including motor amplifier tachometer encoder brakes and limit switches e The control is deployed on the Azimuth LCU e The device is connected to the Terminal Blocks Z5 e The amplifier is connected to the Connector W21 The coordinate convention is defined in Basic Telescope definitions RD 12 The telescope azimuth angle is A 0 when the tube set horizontal is directed to the south point The amount of rotation is measured eastwards of the south point The PID controller for the velocity of the Azimuth drive will be included inside the LCU It will provide an analogue signal as a reference with 10Vdc maximum to the current loop which belongs to the supply of the contractor and which may be included in his power amplifiers The tachometer shall provide an analog signal 10Vdc proportional to the actual speed of the drive system to the LCU as an analog symmetrical signal via a screened twisted pair cable The connection between the encoder and the IK320 module in the LCU is defined in AD 07 The limit switch and brake status shall be connected to the ESO standard digital I O board via the interlock system as defi
79. x retrieve actual interaction matrix SW Command 9 LCU ATS Update Reference Point jupdate the APD reference point see Note 1 below SW Command STATUS amp DIAGNOSTICS 10 ATS LCU STRAP Status get STRAP status SW Command DB attribute 11 ATS LCU STRAP diagnostics Diagnostics parameters parameters e r0 t0 FWHM SNR centroid extrema e etc TBD SW Command DB attribute LCU ATS Error Vector request the instantaneous Error Vector see Note 2 below SW Command SYNCHRONIZATION hook a user defined function synchronous to the APD Function Hook 13 LCU LCU see Note 3 below control loop API Function Note 1 The guide reference point is theoretically the optical center of the APD sensor Since the FSS Translation Stage is a tracking axis its position will be updated while tracking However it might be necessary to interpolate its position between 2 updates This is achieved by offsetting the APD reference point synchronously with the Translation Stage control loop The offset shall be less than 1 2 Airy disk i e approx 0 2 on the sky so as not to loose the object Note 2 In order to compensate for tracking drift the absolute offset of M6 is queried by the M6 Control Loop and sent to the telescope Alt Az axes The relative slow correction speed of the main axes allows not to recenter M6 but let the FS e loop closed and active that will bring M6 back to the center Note 3 The
80. xis while M7 is blocking the GIS access door the cablewrap wrap can be manually dragged away For that purpose the motorization drive is made reversible e The control is deployed on the Azimuth LCU e The device is connected to the Terminal Block Z5 and J6 e The amplifier is connected to the Connector W21 3 3 5 1 Azimuth Cable Wrap interfaces The connection layout and pin assignment of Z5 and J6 is given in Annex AN1 VLT DWG ESO 15154 1770 Item From To Signal Description COMMUNICATION PHASE Communication RS485 Port Protocol S Link 3 RD 06 CABLE WRAP 1 ATS LCU No Fault Contact closed if cable wrap OK see interlock section Source driver 24V 100mA max Digital Input 2 ATS LCU Torque signal Nm V Analog signal 10V 10V 5mA differential Analog input 3 ATS LCU Torque signal Analog input 4 Shield 5 LCU ATS Amplifier Enable Cos GOKSZ OND Digital Output SWITCHES 8 ATS OU Gabi Wha Positive mnie Contactopens t Cablesrap donot follow azimuth axis in positive direction LCU Cable Wrap Positive Limit contact return LCU Cable Wrap Negative Limit Contact opens if Cablewrap do not follow azimuth axis in me AR direction LCU Cable Wrap Negative Limit retan Last modified Mon 07 May 2001 8 41 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 45 of 81 3 3 6 M10 Dual Feed Mirror
81. y along Y axis in mm 22 LCU ATS Get M2 absolute position M2_MOVE_ABS lt axis M2_DES_FOCUS returns the position lt z along Z axis in mm M2_DES_TIP returns the position lt around X axis in radians Software M2_DES_TILT returns the position f Command to around Y axis in radians W14 M2_DES_X returns the position lt x along X axis in mm M2_DES_Y returns the position lt y along Y axis in mm LOW LEVEL ACTUATOR CONTROL 30 LCU ATS Set actuator absolute position M2_ACTUATOR_ABS lt n 1 6 absolute value Software e M2 DES ACTUATOR n POSITION Command to p along its degree of freedom W14 31 LCU ATS Set actuator relative position M2_ACTUATOR_REL lt n 1 6 relative value Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 26 of 81 e M2 DES ACTUATOR n POSITION p along its degree of freedom LCU ATS Get actuator absolute M2 ACTUATOR ABS lt n 1 6 position e M2 DES ACTUATOR n POSITION returns the position p of actuator n along its degree of freedom Last modified Mon Oct 29 13 42 43 UTC 2001 Interface Control Document VLT ICD ESO 15100 1528 between the Electro Mechanical Hardware 5 and the Control System of the ATS 15 01 03 27 of 81 3 2 4 Pupil Beacon e Control of the 2 pupil beacon light sources infrared and visible fed into one optical fibre to the M2 beacon e The control is dep

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