Summary of mechanisms
Mechanism name ......................ADC inner element
Mechanism type .......................Stepper motor driven rotary mechanism with limit sensors restricting rotation to 180 degrees.
Operational range ......................+90.0 to -90.0 in 0.1 degree increments
Resolution ..................................0.3 degrees
Encoder type .............................12 bit digital, absolute rotary encoder.
Network commands ..................Move ADI1O1(+900 to -900)
...................................................Datum ADI102
...................................................Stop ADI100
...................................................Status requests ADI200 and ADI201
Network responses ..................ADI800, ADI801, ADI802, ADI803, ADI804
Response parameters ...............( EEcmd, EEmech, Pos, Dtm, 0 )
..................................................EEcmd - Command errors in hex
..................................................EEmech - Mechanism errors in hex
..................................................Pos - Current position in decimal
.................................................Dtm - Datum offset in decimal
change in position for 802 +/- 0.6 degrees
Mechanism errors ...................01, 02, 03, 05,06, 07, 08, OA, OD, 11, 19, 20,21, 25
Interlocks ................................None
Datum sensor - used by datum command.
Limit sensors - Restrict rotation to +/- 90 degrees
Limpit used - ADC Limpit
Limpit channel - Y (1)
Limpit drive - 1 (Y)
Limpit Multiplexer - None
Limpit Home/Datum - Used, encoder confidence check.
Limpit drive brake - None
Limpit Barcode reader - Not used
Limpit commands used - SMDC, IN, RMOVE, PARAM, WHERE, DMOVING, DSTOP
Mechanism name .......................ADC outer element
Mechanism type ........................Stepper motor driven rotary mechanism with limit sensors restricting rotation to 180 degrees.
Operational range ......................+90.0 to -90.0 in 0.1 degree increments
Resolution ..................................0.3 degrees
Encoder type .............................12 bit digital, absolute rotary encoder.
Network commands ..................Move ADO101(+900 to-900) Datum ADO102
...................................................Stop ADO101
...................................................Status requests ADO200 and ADO201
Network responses ..................ADO800, ADO801, ADO802, ADO803, ADO804
Response parameters ..............( EEcmd, EEmech, Pos, Dtrn)
.................................................EEcmd - Command errors in hex
.................................................EEmech - Mechanism errors in hex
.................................................Pos - Current position in decimal
.................................................Dtm - Datum offset in decimal
change in position for 802 +/- 0.6 degrees
Mechanism errors ....................01, 02, 03, 05, 06, 07, 08, 0A, 0D, 11, 19, 20,21, 25
Interlocks .................................None
Datum sensor - used by datum command.
Limit sensors - Restrict rotation to +/- 90 degrees
Limpit used - ADC Limpit
Limpit channel - X (0)
Limpit drive - 1 (Y)
Limpit Multiplexer - None
Limpit Home/Datum - Used, encoder confidence check.
Limpit drive brake - None
Limpit Barcode reader - Not used
Limpit commands used - SMDC, IN, RMOVE, PARAM, WHERE, DMOVING, DSTOP
Mechanism name ..................Autoguider Focus Slide
Mechanism type ...................Stepper motor driven linear mechanism with limit sensors restricting movement to operational range.
Operational range .................14100um in 10 um increments
Resolution ............................10um
Encoder type ........................linear analogue encoder.
Network commands .............Move AFS101(0 to 14100)
.............................................Datum AFS102
.............................................Stop ANS100
Status requests ....................AFS200 and AFS201
Network responses .............AFS800, AFS801, AFS802, AFS803, ADO804
Response parameters .........( EEcmd, EEmech, Pos, Dtm, 0 )
.............................................EEcmd - Command errors in hex
.............................................EEmech - Mechanism errors in hex
.............................................Pos - Current position in decimal
.............................................Dtm - Datum offset in decimal
change in position for 802 +/- 30um
Mechanism errors ...............01, 02, 03,04, 05, 06, 07, 08, 0A, 0B, 0D, 0F, 11, 17, 18,19, 1A, 1B, 1C,1D,1E,1F, 20, 21,25
Interlocks ............................None
Datum sensor - used by datum command.
Limit sensors - Restrict movement to operational range
Limpit used - PFIP Limpit
Limpit channel - Either X (0) or Y (1)
Limpit drive - 2
Limpit Multiplexer - 1
Limpit Home/Datum - Used, encoder confidence check.
Limpit drive brake - None
Limpit Barcode reader - Not used
Limpit commands used - SMCM, IN, RMOVE, PARAM, WHERE, DMOVING, DSTOP
Mechanism name ...............Autoguider Focus Wheel
Mechanism type ................Stepper motor driven rotary mechanism.
Operational range ..............6 filter positions
Resolution .........................1 filter positions
Encoder type .....................none.
Network commands ...........Move AFW101(1 to 6)
...........................................Datum AFW102
...........................................Stop AFW100
Status requests ..................AFW200 and AFW201
Network responses ...........AFW800, AFW801, AFW802, AFW803, AFW804
Response parameters .......( EEcmd, EEmech, Pos, Dtm, 0)
............................................EEcmd - Command errors in hex
............................................EEmech - Mechanism errors in hex
............................................Pos - Current position in decimal
............................................Dtm - Datum offset in decimal
change in position for 802 Change not detected
Mechanism errors ..............01, 02, 03,04, 05, 06, 07, 08,0A,0B,0D,0F, 11, 17, 18, 19,1A,1B,1C,1D, 1E,1F, 20, 21, 25
Interlocks ...........................None
Datum sensor - used by datum command and move commands.
Limit sensors - None
Limpit used - PFIP Limpit
Limpit channel - Either X (0) or Y (1)
Limpit drive - 2
Limpit Multiplexer - 2
Limpit Home/Datum - Used, defines position 1.
Limpit drive brake - None
Limpit Barcode reader - Not used
Limpit commands used - SMCM, IN, RMOVE, PARAM, WHERE, DMOVING, DSTOP
Mechanism name ...................Autoguider Probe X axis
Mechanism type ....................Stepper motor driven linear mechanism with limit sensors restricting movement to operational range.
Operational range ..................110,000um in 10 um increments
Resolution .............................10 um linear analogue encoder.
Network commands ..............Move APX101(0 to 110000)
Datum ...................................APX102
Stop ......................................APX100
Status requests .....................APX200 and APX201
Network responses ..............APX800, APX801, APX802, APX803, APX804
Response parameters ...........( EEcmd, EEmech, Pos, Dtm, 0 )
..............................................EEcmd - Command errors in hex
..............................................EEmech - Mechanism errors in hex
..............................................Pos - Current position in decimal
..............................................Dtm - Datum offset in decimal
change in position for 802 +/- 60um
Mechanism errors ................01, 02, 03,04, 05, 06, 07, 08, 0A, 0B, 0D, 0F, 11, 17, 18,19,1A,1B,1C,1D,1E,1F, 20, 21, 25
Interlocks ............................None
Datum sensor - used by datum command.
Limit sensors - Restrict movement to operational range
Limpit used - PFIP Limpit
Limpit channel - Either X (0) or Y (1)
Limpit drive - 1
Limpit Multiplexer - 4
Limpit Home/Datum - Used, encoder confidence check.
Limpit drive brake - Used
Limpit Barcode reader - Not used
Limpit commands used - SMCM, IN, RMOVE, PARAM, WHERE, DMOVING, DSTOP
Mechanism name .................Autoguider Probe Y axis
Mechanism type ..................Stepper motor driven linear mechanism with limit sensors restricting movement to operational range.
Operational range .................20,000um in 10 um increments
Resolution ............................10 um
Encoder type ........................linear analogue encoder.
Network commands .............Move APY101(0 to 20000)
.............................................Datum APY102
.............................................Stop APY100
Status requests ....................APY200 and APY201
Network responses .............APY800, APY801, APY802, APY803, APY804
Response parameters ..........( EEcmd, EEmech, Pos, Dtm, 0 )
...............................................EEcmd - Command errors in hex
...............................................EEmech - Mechanism errors in hex
...............................................Pos - Current position in decimal
...............................................Dtm - Datum offset in decimal
change in position for 802 +/- 60um
Mechanism errors .................01, 02, 03,04, 05, 06, 07, 08,0A,0B,0D,0F,11, 17, 18,19, 1A,1B,1C,1D, 1E,1F, 20, 21,25
Interlocks ..............................None
Datum sensor - used by datum command.
Limit sensors - Restrict movement to operational range
Limpit used - PFIP Limpit
Limpit channel - Either X (0) or Y (1)
Limpit drive - 1
Limpit Multiplexer - 2
Limpit Home/Datum - Used, encoder confidence check.
Limpit drive brake - Used
Limpit Barcode reader - Not used
Limpit commands used - SMCM, IN, RMOVE, PARAM, WHERE, DMOVING, DSTOP
Mechanism name ................Access door
Mechanism type ..................microswitch.
Operational range ...............Open (0) or Closed (1)
Network commands ...........Status requests DOR200 and DOR201 DOR800, DOR801, DOR802, DOR803, DOR804
Network responses ............( EEcmd, EEmech, Pos, Dtm, 0)
Response parameters ...........EEcmd - Command errors in hex
.............................................EEmech - Mechanism errors in hex
.............................................Pos - Current position in decimal
.............................................Dtm - Datum offset in decimal
.............................................Change in state
change in position for 802 None
Mechanism errors ................interlocks MFW when open
Interlocks .............................PFIP Limpit
Limpit used
Mechanism name ......................Relative Humidity and Temperature.
Mechanism type .......................Humidity and Temperature sensor module.
Operational range .....................Humidity 10 to 90 % +/- 5%
Temperature .............................0 to 50 C +/- 1C.
Network commands .................Status requests HUM200 and HUM201
Network responses ..................HUM800, HUM804
Response parameters ...............( EEcmd, EEmech, Pos, Dtm, 0)
.....................................................EEcmd - Command errors in hex
.....................................................EEmech - Mechanism errors in hex
.....................................................Pos - Current position in decimal
.....................................................Dtm - Datum offset in decimal
Mechanism errors .......................24
Interlocks ...................................none.
Limpit used ................................PFIP Limpit.
Mechanism name .......................Main Filter Wheel
Mechanism type ........................Stepper motor driven rotary mechanism with stepper motor driven locating detent.
Operational range ......................7 filter positions, 2 detent positions,1 read Barcode only.
..................................................-7 to-1 Move to filter position leaving detent out, no barcode read.
·..................................................0 Read Barcode only.
...................................................1 to 7 Move to filter position, locate wheel using detent, read barcode.
Resolution ..................................1 filter position
Encoder type .............................Filter barcode.
Network commands ..................Move MFW101(-7to+7)
...................................................Datum MFW102
...................................................Stop MFW100
...................................................Status requests MFW200 and MFW201
Network responses ..................MFW800, MFW801, MFW802, MFW803, MFW804
Response parameters ...............( EEcmd, EEmech, Pos, Dtm, 0)
...................................................EEcmd - Command errors in hex
...................................................EEmech - Mechanism errors in hex
...................................................Pos - Current position in decimal
...................................................Dtm - Datum offset in decimal
change in position for 802 Change not detected
Mechanism errors ....................01, 02, 03,04, 08, 15, 16, 17, 18, 19,1A,1B,1C,1D,1E,1F, 21, 22, 23, 25, 26
Interlocks ..................................Interlocked by access door
Datum sensor -used by datum command and move commands.
Limit sensors - None
Limpit used - PFIP Limpit
Limpit channel - Either X (0) or Y (1)
Limpit drive - 1 ( detent drive 4 also used)
Limpit Multiplexer - 3
Limpit Home/Datum - Used, defines position 1.
Limpit drive brake - Used
Limpit Barcode reader - used
Limpit commands used - SMCM, BARCODE, IN, RMOVE, PARAM, WHERE, DMOVING, DSTOP
Mechanism type ...............................none.
Operational range .............................PFIP and ADC (0) or ADC only (1) modes.
Network commands .........................Move PFM101(0 or 1)
.........................................................Status requests PFM200 and PFM201
Network responses ..........................PFM800, PFM801, PFM802, PFM803, PFM804
Response parameters ........................( EEcmd, EEmech, Pos, Dtm, 0 )
.............................................................EEcmd - Command errors in hex
.............................................................EEmech - Mechanism errors in hex
.............................................................Pos - Current position in decimal
Mechanism errors ...............................04
Interlocks ..........................................When ADC only mode selected, power is removed from PFIP LIMPIT and PFIP specific network commands will not be available.
Limpit used .......................................none
Mechanism name .............................Shutter Status
Mechanism type ...............................microswitches on shutter mechanism.
Operational range .............................Jammed (0), Open (1), Closed (2), Disconnected (3)
Network commands .........................Status requests SHS200 and SHS201
Network responses ..........................SHS800, SHS804
Response parameters .......................( EEcmd, EEmech, Pos, Dtm, 0)
............................................................EEcmd - Command errors in hex
............................................................EEmech - Mechanism errors in hex
............................................................Pos - Current position in decimal
Mechanism errors ..............................04, 09.
Interlocks ...........................................None
Limpit used .......................................PFIP Limpit