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DDM200 user manual - hardware

Created by: MPuchner 01.2020

version: 9600024A

Original user manual

page 60 of 66

printed: 25.02.2020

8.5.1

User device (e.g. camera) cable

You can connect your camera, filter wheel, etc. to the TCU by using the preinstalled USB cable coming out of the
cable inlet.

Figure 75 - USB cable for TCU

The other end of the cable is already connected to the TCU. If you need more then 1 USB connector, use a USB
HUB.

If you want to connect your camera etc. to a separate computer, you can lay this cable through the RA axis and
the pier. (red in the figure below)

8.5.2

24V cable for device hub (only for ASA telescopes)

ASA telescopes are equipped with a device hub. This is a distribution box where all telescope related devices,
such as focuser or mirror covers are connected. Connect the 24V cable that comes with the telescope to the
device hub and the 24V connector on the DDM200 RA axis. (light green in the figure below, connector nr. 3 in
chapter

Connectors on the mount back side

8.5.3

USB cable for device hub (only for ASA telescopes)

The device hub has to be connected to the USB connector on the RA axis of the DDM200. This connects it to the
internal TCU. So all devices connected to the device hub can be controlled via the TCU. (yellow in the figure
below, connector nr. 4 in chapter

Connectors on the mount back side

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Содержание 0200748A

Страница 1: ...DDM200 user manual hardware Created by MPuchner 01 2020 version 9600024A Original user manual page 1 of 66 printed 25 02 2020 DDM200 Direct drive mount ASA part 0200748A...

Страница 2: ...ives and controllers 12 Telescope control unit TCU 12 Electrical Specifications 12 Dimensions and weight 13 Performance specs 14 Environmental conditions 14 3 Delivery contents 14 4 Optional accessori...

Страница 3: ...Basic 52 With DDM200 Twin 54 8 Electrics and wiring 55 Electronics cabinet 55 Mount main cable 57 AC power supply cable 58 Ethernet LAN cable 58 Telescope wiring 59 8 5 1 User device e g camera cable...

Страница 4: ...he manual dangers can be avoided work processes can be optimized and accelerated repair costs and downtimes can be minimized reliability and lifetime can be increased This user manual should also be r...

Страница 5: ...ized work on this machine Every modification overriding or putting safety installations of the machine out of operation When the machine is operated in a technically not impeccable condition When tech...

Страница 6: ...now where this document is located The machine must only be operated and maintained by competent personnel who knows the safety arrangements and residual danger and who became instructed Every action...

Страница 7: ...to avoid or reduce these hazard and risks Not considering these hints might lead to health damaging consequences up to lethal injuries Signal word meaning DANGER Indicates an actual hazard with a high...

Страница 8: ...ts must only be performed by skilled professional staff Disconnect power before opening the cabinet Caution against hand injuries Between both mount axis Keep your hands away from the danger zone duri...

Страница 9: ...sks prudently and reliably Permanent observation of the technical condition of the machine concerning apparent damages and defects and altered operational behaviour Reporting damages and defects immed...

Страница 10: ...With inaccurate weight balance the mount might move unintentional at power failure Always check weight balance after every modification CAUTION When using oils lubricant or other chemical substances a...

Страница 11: ...It is driven by direct drive torque motors combined with high resolution optical absolute encoders for position feedback It is available in 2 versions basic or twin The twin version provides the optio...

Страница 12: ...rol unit is a Windows 10 computer integrated in the mount that runs the mount control software Autoslew The TCU can be accessed via Ethernet connection using Windows Remote Desktop or TeamViewer A use...

Страница 13: ...DDM200 user manual hardware Created by MPuchner 01 2020 version 9600024A Original user manual page 13 of 66 printed 25 02 2020 Dimensions and weight Weight 136kg 300lbs Figure 4 Dimensions...

Страница 14: ...Ambient operating temperature 20 C 40 C Storage temperature 30 C 50 C Ambient operating Humidity 95 RH max non condensing 3 Delivery contents DDM200 Basic DDM200 Twin DDM200 mount 147kg counter weight...

Страница 15: ...mm ASA part 1003423A Figure 5 counter weight plate o Adjustable stainless steel counter weight 20kg 248mm height 59mm ASA part 0200752A Figure 6 adjustable counter weight Equatorial pier with polar al...

Страница 16: ...version 9600024A Original user manual page 16 of 66 printed 25 02 2020 Pier adapter with polar alignment mechanism For mounting the DDM200 onto a vertical pier This part includes the polar alignment...

Страница 17: ...Crate for DDM200 mount electronics cabinet and telescope mounting adapters 120 x 80 x 87cm length x width x height 2 Crate for counter weights 80 x 60 x 42cm only included with DDM200 basic Additiona...

Страница 18: ...ff during the whole installation process min data rates 5Mbit s download 500kbit s upload available port on your local Ethernet switch Operator computer a simple Windows office PC is sufficient German...

Страница 19: ...crete foundation For mounting the DDM200 equatorial pier or the pier adapter you need a flat uncracked concrete plane foundation with a diameter of 550mm respectively 600mm or larger The concrete must...

Страница 20: ...astening the equatorial pier or the pier adapter Keep this area free of reinforcement rods so that the holes can be drilled without interference Figure 12 foundation requirements mm max unevenness 1mm...

Страница 21: ...and S This is normally not exactly at 12 00 You can look that up on websites like https www timeanddate com sun Enter your location and choose the current date in the table and look for Solar Noon Ti...

Страница 22: ...If you ordered a pier adapter to mount onto a concrete pillar you can ignore this chapter The equatorial pier comes completely assembled in a wooden crate Remove the 2 green marked covers by unscrewi...

Страница 23: ...from pier Lay the pier s base plate onto the concrete foundation at the desired position Align it to the north south direction as shown in the picture below Caution This only applies to locations on...

Страница 24: ...es and ear protection Now stand on the plate and drill the 10 holes with a 10mm rock drill The depth of the drill holes must be at least 120mm Use a vacuum cleaner to remove bore dust during and after...

Страница 25: ...nal user manual page 25 of 66 printed 25 02 2020 Tighten the bolts in a crosswise sequence with a torque of 35Nm with a 17mm socket Maximum torque 40Nm Figure 20 fastening base plate on concrete Put t...

Страница 26: ...ture below DANGER Only use the included lifting straps Do not stand under suspended loads The crane must only be operated by qualified specialist Be careful not to pinch your fingers when putting the...

Страница 27: ...eated by MPuchner 01 2020 version 9600024A Original user manual page 27 of 66 printed 25 02 2020 Fix it by inserting the 6 M16 cylinder head screws so that the 2 base plates are roughly parallel Figur...

Страница 28: ...baseplate is screwed to the pier adapter with 2 M16 screws marked green in the figure below Remove them to separate the base plate Figure 24 unscrew base plate Lay the base plate onto the concrete pi...

Страница 29: ...ing process you can align the plate again then Drill the 8 holes with a 10mm rock drill The depth of the drill holes must be at least 120mm Use a vacuum cleaner to remove bore dust during and after th...

Страница 30: ...e 30 of 66 printed 25 02 2020 Tighten the bolts in a crosswise sequence with a torque of 35Nm with a 17mm socket Maximum torque 40Nm Figure 28 fastening base plate on concrete Apply a thin layer of th...

Страница 31: ...a crane onto the base plate DANGER Only use the included lifting straps Do not stand under suspended loads The crane must only be operated by qualified specialist Be careful not to pinch your fingers...

Страница 32: ...of 66 printed 25 02 2020 Figure 31 fastening pier adapter on base plate Before installing the mount onto the adapter you need to roughly adjust the adapter angle depending on the geographical latitude...

Страница 33: ...Puchner 01 2020 version 9600024A Original user manual page 33 of 66 printed 25 02 2020 Remove the red and green marked screws CAUTION The adapter is now loose and might tilt Secure it by holding it in...

Страница 34: ...48 latitude 90 48 42 So if we would mount this adapter here we would have to adjust it 42 Therefor tilt it and measure the angle with an angle measurement device or a smart phone with appropriate app...

Страница 35: ...u need to insert the 2 ring bolts into the threads of the declination axis Figure 35 mounting ring bolts DANGER Only use the included lifting straps Do not stand under suspended loads The crane must o...

Страница 36: ...4A Original user manual page 36 of 66 printed 25 02 2020 Fix the 2 lifting straps like that Figure 37 applying lifting straps When you lift the DDM it will automatically align in a orientation about 4...

Страница 37: ...20 Installing the DDM200 onto the equatorial pier Fasten the mount with 6 M16x40 screws Consider the correct orientation of the RA axis Therefor look at the connector captions Those have to be upright...

Страница 38: ...iginal user manual page 38 of 66 printed 25 02 2020 Installing the DDM200 onto the pier adapter Fasten the mount with the 6 M16x75 screws Be careful not to pinch your fingers when putting the plate on...

Страница 39: ...tion So this is the minimum counter weight Powder coated steel plates The number of those is given by the weight and diameter of your telescope equipment You can use ASA s counter weight calculator to...

Страница 40: ...screwing in the 6 M12x45 screws Be careful not to pinch your fingers when mounting the counter weights Crushing hazard Figure 43 mounting first counter weight plate The second weight has to be rotated...

Страница 41: ...by MPuchner 01 2020 version 9600024A Original user manual page 41 of 66 printed 25 02 2020 Then install the termination plate which contains the thread for the stainless steel counter weight shaft Fi...

Страница 42: ...g it into the termination plate Shift the 2 stainless steel counter weights to the middle of the counter weight shaft and fasten them by tightening the 3 clamp screws Then mount the safety disc at the...

Страница 43: ...the declination axis of the DDM200 The pictures below show the available threads and holes on the declination axis in case you want to use a custom made telescope plate Figure 48 telescope socket Figu...

Страница 44: ...ual page 44 of 66 printed 25 02 2020 Figure 50 telescope socket section view from side You can also use ASA s dovetail adapter optional available at ASA to mount your telescope Mount it with 4 M16x40...

Страница 45: ...adapter When the plate is already fixed to the telescope we highly recommend using a crane for that procedure Then tighten the 2 dovetail clamp screws Figure 52 mounting telescope on dovetail adapter...

Страница 46: ...to mount a telescope onto Here is a drawing of the top plate The red marked holes and threads can be used to fasten a telescope or an additional adapter plate Figure 54 telescope tilt adapter top pla...

Страница 47: ...02 2020 Mount the bottom plate with 6 M12x40 screws onto the DE axis Figure 56 fasten bottom plate If your telescope or adapter plate will be screwed onto the top plate from the top you can already m...

Страница 48: ...ide of the DE axis too Mount the first telescope by sliding it into the dovetail adapter We highly recommend using a crane WARNING Do not stand under suspended loads The crane must only be operated by...

Страница 49: ...00024A Original user manual page 49 of 66 printed 25 02 2020 Now let the RA axis slowly rotate until it hits the mechanical limit The telescope is now on the bottom side Figure 60 rotate RA axis Now y...

Страница 50: ...adapter To rotate the telescope you need to slightly loosen the red marked screws Then unscrew one of the yellow marked screws and tighten the second one To tilt the telescope you need to use the red...

Страница 51: ...ot move and the software will report a position tracking error For Setup or maintenance purposes you can fix the RA and DE axis with the locking brakes Therefor push rotate and release the knob to loc...

Страница 52: ...WARNING This is a two persons job Always make sure that somebody holds the equipment in place when loosening any screws With DDM200 Basic Move the mount to a position where both axes are horizontal A...

Страница 53: ...body should assist you with holding the telescope to prevent it from crashing Move the stainless steel counter weights to adjust weight balance Do not forget to securely tighten the counter weights cl...

Страница 54: ...shift the telescopes inside the dovetail adapter or add or move counter weights of the telescope until you achieve proper weight balance If the telescope tilts to the front by itself you need to shift...

Страница 55: ...user manual page 55 of 66 printed 25 02 2020 8 Electrics and wiring Electronics cabinet Dimensions 600x380x210mm Weight 25kg Figure 68 electronics cabinet DANGER Risk of electric shock Do not touch an...

Страница 56: ...nd off by using a web interface 3 ports are used for powering the main drives controller ancillary drives controller and telescope control unit TCU The remaining available ports can be used for poweri...

Страница 57: ...omewhere near the mount The included cable between cabinet and mount has a length of 10m The cable comes already connected to the components inside the cabinet The other end of the cable must be conne...

Страница 58: ...y connected inside the cabinet to a 110 230VAC socket or an apporiate UPS The power plug might differ depending on your location Figure 72 connecting AC power supply cable Ethernet LAN cable Connect t...

Страница 59: ...can fix the cables at the cable holders on the DE axis Consider that there needs to be some additional cable length so that the DE axis can move without interference Test your setup by moving the axe...

Страница 60: ...below 8 5 2 24V cable for device hub only for ASA telescopes ASA telescopes are equipped with a device hub This is a distribution box where all telescope related devices such as focuser or mirror cove...

Страница 61: ...DDM200 user manual hardware Created by MPuchner 01 2020 version 9600024A Original user manual page 61 of 66 printed 25 02 2020 Figure 76 complete wiring overview...

Страница 62: ...k side 1 main connector connects mount with cabinet see chapter Electronics cabinet 2 telescope fans 5pin in case you are using an ASA telescope on the DDM you can connect the fan cable here 3 24VDC o...

Страница 63: ...tors on the mount bottom side Figure 78 connectors on bottom side 1 USB you can connect a keyboard mouse to access the telescope control unit TCU for maintenance purposes 2 HDMI you can connect a moni...

Страница 64: ...r For the polar alignment unscrew the green marked worm screws by about 10mm They are not needed for the alignment so they have to provide enough clearance for tilting the pier Elevation You can now t...

Страница 65: ...ed securing screws Make sure that the yellow marked screws are tightened Loosen the red marked screws If you want to lower the elevation angle you need to unscrew the upper yellow marked worm screws u...

Страница 66: ...on For detailed information about how to operate the DDM mount consult the DDM200 Software manual 12 Support If you experience problems or have further technical questions feel free to contact our sup...

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