page 0 ET1.1-ST2 Electronic turntable professional instruments
Contents
1. 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline it oulline page 8 ET1 1 ST2 Electronic turntable professional instruments Control protocol COMPUTER PARALLEL PORT 9 pins connector Pin 5 ground Writing bits Pin 1 unit A movement ahead bit Pin 2 unit B movement ahead bit Pin 3 unit A movement behind bit Pin 4 unit B movement behind bit Reading bits Pin 6 unit A step bit Pin 7 unit B step bit Pin 8 unit A zero position bit Pin 9 unit B zero position bit Example of unit A control Y Pin3 a Pin6 HUG LTLITETIII lt x LU Y Ping Pos e Q 1 O 10 O00 Q LO Q L0 QO L0 O 10 O LO O LO LO i v v ON CN CO CO CN CN Tm LO LO st SE CO co CO 09 OD cO Mm Connection cables PC ET1 1 connection DB25 male connector DB9 male connector View from soldering side View from soldering side I 2 10 O 310 4 0 Pin 5 Pin 1 5le Pin 6 Pin 2 1 6 e Pin 7 Pin 3 2 6 7 le O Pin 8 Pin 4 3 7 o Pin 20 Pin 5 8 P e c Pin 15 Pin 6 4 B 90 M Pin 13 Pin 7 5 10 Pin 12 Pin 8 1109 Pin 10 Pin 9 12 o 13 outline s n c di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline2. di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline it page 4 ET1 1 ST2 Electronic turntable professional instruments outline Stored data will be handle according standard LMS practice NOTE default frequency band is from 20Hz to 20KHz To change permanently to a new range use the command F requency Range for Sweep in S ystem menu and S ave as SPLPOLG SET and SPLPOL SET by Quick oetup of LMS For LMS 3 05 Users only To obtain the right synchronization with ST2 ET1 1 turntable you must change the LMS System Control Parameters SCP in the main menu mentioned below Measurement type SCP15 SCP19 SCP20 SCP41 Standard Yes 100 400 SPL Nor Fix No Beep 2000 20000 SPL Gat Fix No Beep 2000 20000 SPL Nor Sweep 2000 400 SPL Gat Sweep 2000 400 SCP41 in fixed frequency measurements must be gt 20000 to add 2 sec to the settling delay time between reads and enable the right turntable rotation SCP20 define the trigger pulse width and must be 2000 20 msec to assure the compatibility of control unit ET1 1 both with LMS and MLSSA programs without different dedicated electronics circuits Even if is not necessary to change the values of SCP15 and SCP19 it is recommended to speed up the measurement These arrangements must be executed before macro loading however they are remarked at the macro beginning SCP o
3. it oulline professional instruments ET1 1 ST2 Electronic turntable page 9 ET1 1 ET1 ST2 ST1 connection DB9 female connector 6 poles female connector View from soldering side View from soldering side 5 Pin 6 Pin 1 4 9 Phi Pin 2 3 8 Pin 3 Pin 3 2 7 Pin 4 Pin 4 6 Pin 5 Pin 5 1 Pisco Pin 6 SPECIFICATIONS Power supply 110 220 VCA 50 60 Hz outlet with fuse and mains voltage changeover jumper 12 20 VCC connector with fuse and protection against short circuit and polarity inversion Max rotation speed 200 msec degree Precision 0 25 Rotation system control optoswitch with flying spot scanning Input output connections 9 pins sockets DB9 Input pulse TTL from 5 to 12 VCC imp 680 Ohm Output pulse TTL with variable delay from 3 to 25 sec Pulse duration 0 5 sec Rotation offset adjustable from 5 to 45 by 5 step Push on automatic reset Weight capacity max 300 Kg stacked on max 100 Kg suspended max 30 Kg twisting moment Dimensions ET1 1 n 1 E A standard rack unit ST2 35 cm diameter and10 cm height outline s n c di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline it
4. are applications ET Commander is a program that allow to control by PC one or maximum two ET1 1 ST2 Outline turntables Main features Movement in both sense rotation to desired position degrees 360 automatic spin with settable degrees step Macro store of same positions Start command for 360 automatic spin and macro operations in 4 mode a Manual by a key pressure b Timer automatic with timer c External by an external TTL pulse on parallel port d Internal the program wait a bit changing reading an internal address of parallel port for expert programmer only With two turntables tis possible to make 360 automatic spin for both turntables in alternate or sequential mode LMS Applications for LMS use are included four predefined macro programs to easy change type of measurement and angular increment even if everyone will write his own macro program 1 SPL Normal Fixed Frequency the macro that perform this measurement is POLFIX MAC LMS 3 05 or POLFIX35 MAC LMS 3 5 which use POL SET to define measurement parameters and POLFIX LIB to handle and store the data A special Menu allows the user to select test frequency of 18 1 3 octave spaced POLFIX MAC POLFIX35 MAC makes 24 measurements with different angular positions set the selector switch DEG STEP to 15 degrees step Example Operation The macro program menu is selected by pressing the M key at the main menu The work area co
5. at turntable skips a rotation degree s step failing the actual measurement Because MLSSA use the computer s clock to determine the duration of the TTL pulse 10 msec see pag 59 on 8 version manual that drive the turntable if the computer s internal clock is flaky then the pulse width will easy vary and when the duration of the pulse is too short less then 2 msec For this reason the ET1 1 control has some problem to recognise the incoming signal from MLSSA board so the turntable skips the step corresponding to the too short pulse received Because it is very difficult to make the turntable s control circuit able to accept a wide range of pulse duration starting from the shortest pulse that are too much similar to noise to which the turntable control must be insensitive to avoid problem with some computers DRA consulted by OUTLINE has already change the software using the internal clock on MLSSA board that control with accuracy the duration of TTL pulse without any computer s clock dependence CLIO Applications The CLIO standard software includes the POLAR measurement menu With this integrated environment it is possible to execute automatic polar plots at specified measurement frequencies with direct turntable control Refer to CLIO User s Manual Section 11 6 for all the necessary information When the QC software version is used it is also possible to program the QC processor to control two turntables thus executing automatic
6. ctly on the standard parallel port The DB9 adapter cable supplied with a DB9 female connector has to be soldered to a DB25 male connector As described in CLIO s Users Manual Section 7 4 4 the start signal DB9 pin 2 has to be connected to pin 9 and ground DB9 pin 4 to pin 22 or one among pin 18 to 25 Interconnections diagram CLIO PC CARD BY MEANS OF LPT PORT gt DB25 DB9 adapter cable gt DB9 extension cable gt ET1 1 Computer Measurement cards port TURNTABLE gt 10 mt multipolar wire gt ET1 1 Turntable TEF System the turntable is driven by a TTL pulse on the External Trigger connector The DB9 adapter cable supplied with a DB9 female connector has to be soldered to a Switchcraft 60PC4F connector As described in TEF User s Manual the start signal DB9 pin 2 has to be connected to pin 2 the return pulse DB9 pin 5 to pin 4 and ground DB9 pin 4 to pin 1 TEF EXTERNAL TRIGGER gt Switchcraft 60PC4F DB9 adapter cable gt DB9 extension cable gt ET1 1 Computer Measurement cards port outline s n c di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline it oulline professional instruments ET1 1 ST2 Electronic turntable page 3 TURNTABLE gt 10 mt multipolar wire gt ET1 1 Turntable Softw
7. grees in according with turntable OUTLINE ST2 0 position press RESET on ET 1 1 if it is not or if you need to rotate counter clockwise the turntable set angular increment control switch DEG STEP on 5 degrees and press lt enter gt professional instruments ET1 1 ST2 Electronic turntable page 5 From this time on the MLSSA system will be under program control until the program has finished The same for POLAR10 POLAR15 POLAR30O Before starting with measurement you must set angular increment control switch DEG STEP to the same value of macro polar measurements MLSSA display each measurement superimposed one upon another in frequency domain as three dimensional plots Waterfall Plots Smoothed mode with 1 3 octave resolution allow you an easy read out The measurements are stored in POLAR subdirectory as files defined by filename Autoname Root and progressive numbering These files can be recalled separately or one upon another by T ransfer L oad POLAR lt right arrow gt command NOTE actual Stimulus Amplitude is setted on 0 1 Volt You can change the default value according your measurement necessity In the same way you can change of course any parameters setup For better details on MLSSA polar measurements see manual instructions NOTICE Turntable electronic control ET1 1 was designed for using in conjunction with MLSSA version 8 1A software and following versions Using older MLSSA version it is possible th
8. measurements over a full or half space in order to obtain with ulterior post processing 3D polar plots The two following scripts are needed and serve as a starting example for this particular test environment outline s n c di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline it page 6 ET1 1 ST2 Electronic turntable professional instruments SAMPLE STP GLOBALS COMPANY MY COMPANY TITLE POLAR MEASUREMENTS MANUAL 0 KILLMESSAGE 1 CYCLIC CYCLIC STP REPETITION 72 MLS MLSOUT 0 MLSREFCURVE TEST MLS MLSREFLIMITS TEST LIM MLSAUTOSAVE 1 MLSTXTSAVE 1 MLSTXTSAVEPH 1 SIGNAL LPTBIT 4 STATUS 1 DELAY 100 LPTBIT 4 STATUS 0 CYCLIC STP GLOBALS COMPANY MY COMPANY TITLE POLAR MEASUREMENTS MANUAL 0 KILLMESSAGE 1 MLS MLSOUT 0 MLSREFCURVE TEST MLS MLSREFLIMITS TEST LIM SIGNAL LPTBIT 5 STATUS 1 DELAY 100 LPTBIT 5 STATUS 0 Important note oulline Company Name Measurements Title Sets tests to automatic Kills any prompting message Name of cyclic file for second turntable movement Number of measurements in a full circle for 5 degrees res Output signal level 0 dBu Name of file used as reference Name of limits file don t care Sets QC to save every measurement Saves file as a txt document Includes
9. ntains a window listing MAC macro files The cursor keys are used to scroll thought the macro file listing to position the desired file in the highlight for an operation L oad Execute command loads and then execute runs the selected macro file program After pressing the L key the macro program will be loaded in to memory and immediately executed From this time on the LMS system will be under program control until the program has finished 2 SPL Gated Fixed Frequency the macro that perform this measurement is POLFIXG MAC LMS 3 05 or POLFIG35 MAC LMS 3 5 which use POL G SET to define measurement parameters and POLFIXG LIB to handle and store the data A special Menu allows the user to select test frequency of 18 1 3 octave spaced POLFIXG MAC POLFIG35 MAC makes 24 measurements with different angular positions set the selector switch DEG STEP to 15 degree step 3 4 SPL Normal Gated Frequency Sweep the macro that perform this measurement is POLSWEEP MAC LMS 3 05 or POLSWE35 MAC LMS 3 5 which use SPLPOL SET Normal and SPLPOLG SET Gated to define measurement parameters POLSWEEP MAC POLSWE35 MAC also use POLSWEEP LIB to handle and store the data A special Menu allows the user to select Normal sinewave or Gated measurements POLSWEEP MAC POLSWE35 MAC makes 12 measurements with frequency sweep from 20Hz to 20KHz and different angular positions set the selector switch DEG STEP to 30 degrees step outline s n c
10. on link from control unit ET 1 1 to main ST2 turntable MASTER COMPUTER connector for link to measurement cards LMS MLSSA CLIO TEF Hardware applications ET Commander the turntable is directly controlled by Personal Computer It is supplied the link cable with DB25 connector for PC parallel port and DB9 ones If you use two turntables and two ET1 1 you can order the apposite adapter to Outline LMS System the turntable is driven by TTL pulse on LMS PC CARD connector DB25 see operating manual version 3 05 pages 1 8 Connection wiring and DB9 adapter are included with the turntable Connection wiring are included also from turntable ST2 to electronic control ET 1 1 with 10 Mt multipolar wire Interconnections diagram LMS PC CARD DB9 adapter gt DB9 extension cable gt ET1 1 Computer Measurement cards port TURNTABLE gt 10 mt multipolar wire gt ET1 1 Turntable MLSSA System the turntable is driven by TTL pulse on MLSSA PC CARD connector DB9 Connection wiring are included with the turntable Connection wiring are included also from turntable ST2 to electronic control ET1 1 with 10 mt multipolar wire Interconnections diagram MLSSA PC CARD gt DB9 extension cable gt ET1 1 Computer Measurement cards port TURNTABLE gt 10 mt multipolar wire gt ET1 1 Turntable CLIO System the turntable is driven by a TTL pulse generated by the CLIO software dire
11. oulline page 0 ET1 1 ST2 Electronic turntable professional instruments outline s n c di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline it oulline professional instruments ET1 1 ST2 Electronic turntable page 1 Automatic electronic unit O ER O TURNTABLE RESET AUTO x MANUAL TTL OUTPUT QU Me PARALLEL PORT REVERSE SLAVE i i TIME ADJ 1 V M ET1 1 LJ O o 0 10 x 4 45 LJ m Ln C Q5 COUNTER CW CLOCKW dcn P COUNTER CW CLOCKWISE AUTOMATIC ELECTRONIC TURNTABLE G5 C New features tis possible to control turntables directly from PC with ET Commander software It is possible to drive two turntables with one ET1 1 The second turntable is slave and spin in opposite sense respect Master turntable Front panel COMPUTER PARALLEL PORT TURNTABLE REVERSE SLAVE RESET ZERO AUTO DEG STEP MANUAL TTL OUTPUT DELAY ADJ connector for link to PC parallel port with supplied cable It is used with ET Commander software See Control protocol to use a customised software connector for second turntable which must be always used contemporary with Master turntable connector on rear panel Slave turntable spin always in opposite sense respect master turntable and is passive don t is
12. perations are not necessary for LMS Release 3 5 Users NOTE actual Osc Level is setted on 20 dBm You can change the default value according your measurement necessity MLSSA Applications for MLSSA use are included four predefined macro programs to easy change angular increments measurement Of course you can edit every macro as you need 1 MLSSA POLARS 2 MLSSA POLAR10 3 MLSSA POLAR15 4 MLSSA POLAR30 3 measurement cycles 180 degrees 19 measurement cycles 180 degrees 13 measurement cycles 180 degrees 12 measurement cycles 360 degrees ON NL PE The macro POLMAIN will be helpful in starting operations because it adjust some program setup automatically avoiding troublesome inadvertence Example M acro L oad message MACRO LOAD FILENAME operation type POLMAIN or Right Arrow lt enter gt M acro E xecute message MACRO LOAD FILENAME operation type POLARS or Right Arrow lt enter gt message TRANSFER AUTONAME ROOT operation type the measurement identification filename max 5 char then press lt enter gt Pressing lt enter gt without any specification the last is valid or ROOT for the first measurement outline s n c di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline it message Position speaker on axis 0 degree position operation position speaker on axis 0 de
13. phase information in the ASCII output Controls first turntable with LPT BIT 4 Sets BIT 4 to ON Sets duration of TTL pulse Controls first turntable with LPT BIT 4 Sets BIT 4 to OFF Company Name Measurements Title Sets tests to automatic Kills any prompting message Dummy MLS measurement Output signal level don t care Name of file used as reference don t care Name of limits file don t care Controls second turntable with LPT BIT 5 Sets BIT 5 to ON Sets duration of TTL pulse Controls second turntable with LPT BIT 5 Sets BIT 5 to OFF ST2 turntable has been developed to support max 300 Kg weight loaded on the centre of gravity with not more then 30 Kg twisting moment It can be also loaded for example fixed under the ceiling with 100 Kg hanging under the turntable plate with the same twisting moment Take care in handling and laterally moving very high weight on the turntable s rotating plate it can happens to break some cogs of the internal motor reduction gear To avoid this please keep the plate fixed during the loudspeaker loading outline s n c di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline it oudiae professional instruments ET1 1 ST2 Electronic turntable page Accessories e On request is available an adjustable support
14. possible control directly slave turntable without master turntable push button to restore zero degrees position measurement starting position It can be used to avoid cables twisting as well when LED is lighting the turntable is at zero degrees position 0 twin LED indicator turntable rotation direction both in automatic or manual mode angular increments control switch min 5 deg max 45 deg Used only in automatic control from PC measurement cards COMPUTER connector on rear panel manual rotation direction control Pushing the manual buttons the turntable will move only in a linear mode Therefore will not step by a fixed number of degrees so you must see the turntable and release the buttons at desired degrees rotation screwdriver adjustment for TTL pulse output delay using MLSSA measurement system only This delay adjustment from 3 to 25 seconds occur between two measurement taken from MLSSA to achieve the desired time measurement condition i e you can adjust the delay to obtain rotational speed of 1 sec 1 degree Heyser outline s n c di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30 3581341 fax 39 30 3580431 Web Site http www outline it E Mail outline outline it oulline page 2 ET1 1 ST2 Electronic turntable professional instruments Rear panel VCC IN 12 20 V system power supply XLR connection from 12 to 20 Vcc with on LED indicator TURNTABLE connecti
15. stand for small loudspeakers in size useful to get the measures in the middle height of the room far as possible from the reflections e Itis also available on request a cable adapter to manage at the same time two electronic control ET1 1 with the ET Commader program supplied ET1 1 or ET1 upgraded connections ST1 turntable MASTER Measurement card LMS MLSSA CLIO TEF ST1 turntable SLAVE reverse Control from PC 1 Measurement cards LMS MLSSA CLIO 2 ST2 ST1 master turntable TEF Pin 2 7 8 not connected Pin 1 3 6 7 8 9 not connected Pin 1 Vss motor Pin 2 start pulse Pin 3 12V Pin 4 ground Pin 4 Gnd Pin 5 return pulse Pin 5 step control Pin 6 Vdd motor Pin 9 zero position control PC control It is supplied a parallel adapter to use Outline ET Commander oee Control protocol ST2 ST1 connection SI2 ST1 master turntable Pin 1 Vdd motor Pin 2 Vss motor Pin 3 12V Pin 4 Gnd Pin 5 step control Pin 6 zero position control ST2 ST1 slave turntable This must always used with a ST2 master turntable Pin 2 3 4 5 7 8 9 non connected Pin 1 Vss motor Pin 6 Vdd motor outline s n c di noselli g amp c v leonardo da vinci 56 25020 flero bs italy tel 39 30
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