Renishaw ATOM Installation Manual
Linear encoder systems
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- Installation manual (63 pages)
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Summary of Contents for Renishaw ATOM
- Page 1 Installation guide M-9693-9723-05-D ATOM linear encoder systems RSLM high accuracy linear encoder ™...
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Page 2: Table Of Contents
Contents Product compliance Troubleshooting Storage and handling ATOM readhead: Cabled readhead dimensions ATOM system installation overview FPC readhead dimensions RTLF tape scale: Output signals Installation drawing ACi interface: Application methods FPC variant Mounting (for lengths <500 mm only) Installation drawing... -
Page 3: Product Compliance
ATOM cabled readhead and accessories Further information Further information relating to the ATOM encoder range can be found in the ATOM system Data sheet (L-9517-9563). This can be downloaded from our website www.renishaw.com/encoder and is also available from your local representative. This document may not be copied or reproduced in whole or in part, Renishaw plc declares that ATOM complies with the applicable standards and regulations. -
Page 4: Storage And Handling
CHOHCH RTLF – 150 mm NOTE: Ensure self-adhesive tape is on the outside of bend. RCLC scale only Storage Operating Humidity +70 °C +70 °C -20 °C 0 °C 95% relative humidity (non-condensing) to EN 60068-2-78 ATOM linear installation guide... -
Page 5: Atom System Installation Overview
ATOM system installation overview This section gives an overview of the steps involved in installing, setting-up and calibrating an ATOM system. More detailed information is contained within the rest of the document. For information on designing the readhead and scale into the system refer to the detailed installation drawings and 3D models on www.renishaw.com or contact your local Renishaw representative. -
Page 6: Rtlf Tape Scale: Installation Drawing
Forward direction of readhead 2.5 ±0.04 (20 µm version) relative to scale Operating rideheight: 2.5 ±0.11 (40 µm version) Measuring length = Overall length - 3 mm 2.5 ±0.055 (20 µm version) For detailed installation drawings refer to www.renishaw.com ATOM linear installation guide... -
Page 7: Application Methods
Top mount applicator A-9402-0028. See page 7. See page 7. Side mounted applicator A-9402-0034. Only for use with ‘L’ mounting bracket A-9402-0037. See page 7. Install datum clamp, end covers and deselect reference marks. See page 8. ATOM linear installation guide... -
Page 8: Mounting (For Lengths <500 Mm Only)
* If dowels or ledge are permanent, their maximum height above substrate is 0.6 mm. Support Clean scale using Renishaw scale cleaning wipes Install datum clamp, end covers and dowels (A-9523-4040) or a clean, dry, lint-free cloth. deselect reference marks as detailed on page 8. -
Page 9: Application (Any Length)
Slim and side mount applicators: Fit readhead mounting bracket after removal of scale applicator. Clean the scale using Renishaw scale cleaning wipes Top mount applicator (A-9523-4040) or a clean, dry, lint-free cloth. -
Page 10: Datum Clamp
Remove applicator film. NOTE: There will be a gap between the end of the scale and the adhesive tape on the end cover. ATOM linear installation guide... -
Page 11: Rclc Glass Spar Scale
Can be applied on one or both sides of the scale. 2.5 ±0.11 (40 µm version) † Overall length (L) 2.5 ±0.055 (20 µm version) Measuring length For detailed installation drawings refer to www.renishaw.com † 20 µm pitch RCLC scale only. ATOM linear installation guide... -
Page 12: Mounting
After 24 hours when adhesive is cured, clean scale dowels be applied to one or both sides of the scale. using Renishaw scale cleaning wipes Ensure adhesive does not wick onto scale surface. (A-9523-4040) or a clean, dry, lint-free cloth. -
Page 13: System Connection
None of these readhead variants has an integral calibration (CAL) button. Provision should be made Contact your local Renishaw representative for more information of the FPC design requirements. in the customers’ electronics for momentarily connecting the CAL line to 0 V to initiate the calibration routine, switch AGC on/off or restore factory defaults. - Page 14 Do not pull upwards or sideways as disengage the locking mechanism. this may damage the readhead. Do not use tools such as screwdrivers or tweezers to open the locking lever as this may cause damage to the connector or pcb. ATOM linear installation guide...
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Page 15: Aci Interface
Maximum exposed conductor strip length 2.5 mm (to ensure isolation from the body) Ensure 100% shielding Contact your local Renishaw representative for more information of the FPC design requirements. Ground the mounting brackets Use a metal clamp around the cable ferrule to ground the readhead cable... - Page 16 Maximum exposed conductor strip length 2.5 mm (to ensure isolation from the body) Ground the mounting brackets Contact your local Renishaw representative for more information of the FPC design requirements. Use a metal clamp around the cable ferrule to ground the readhead cable...
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Page 17: Ri Interface
NOTE: Care is required to hold the assembly together as the PCB is fixed only to the 15 way connector and the jack screws are loose. Readhead connection socket ATOM linear installation guide... -
Page 18: Ti Interface
Refit the cover plate ensuring the cable ferrule is located in the recess on the inside and no wires are trapped under the cover plate. When the system has been connected proceed with ‘Readhead mounting and alignment’ and ’System calibration’ sections. ATOM linear installation guide... -
Page 19: Readhead Mounting And Alignment
There is a range of tools available to assist with readhead installation depending upon the system design, these are detailed below. For more details on designing the mounting bracket and selecting the appropriate mounting tools contact your local Renishaw representative. Ensure that the scale, readhead optical window and mounting face are clean and free from obstruction. -
Page 20: Shim Kit (A-9401-0050)
Care must be taken to ensure the scale surface is not scratched. Renishaw offer a DTi adapter (A-9401-0105) Proceed with ‘System calibration’ section. that can be used to assist with this process. DTi adapter –... -
Page 21: Dummy Head (A-9401-0072)
Remove the dummy head. Shoulder Install the ATOM readhead in place of the dummy head using M2 x 6 screws in diagonally opposite fixing holes. Ensure the readhead is pushed back against the shoulder of the bracket or mounting face. -
Page 22: Accurate Bracket And Feeler Gauge
Fix the readhead directly onto a mounting bracket with a thickness of 2 ±0.02 mm Mount the readhead directly onto a bracket, then, using the Renishaw USB set-up tool kit and software then use a 0.5 mm feeler gauge to set the rideheight. -
Page 23: Calibration Overview
Calibration is an essential operation that completes readhead set-up, with the optimum incremental and reference mark signal settings stored in the readhead’s non-volatile memory. This section is an overview of the calibration procedure for an ATOM system. More detailed information on calibrating the system is on page 22. -
Page 24: System Calibration (Cal)
>3 seconds >3 seconds then disconnect. then release. then release. The readhead set-up LED will be Green with the addition of Blue when AGC is enabled. NOTE: The system must be calibrated before switching AGC on. ATOM linear installation guide... -
Page 25: Led Diagnostics
Alarm output will take the form of 3-state or line driven E- signal depending on interface configuration. Also, some configurations do not output overspeed alarm. See product nomenclature for details. -Momentary status only, while fault condition remains. -Alarm may result in axis position error, re-datum to continue. ATOM linear installation guide... -
Page 26: Troubleshooting
Restore factory defaults (see page 22) then check the LED is Green along the full axis and recalibrate signal level is <50% the system (see page 22). If it is not Green check the alignment of the readhead ATOM linear installation guide... - Page 27 All unused reference marks should be deselected (see page 8) as only the calibrated reference mark will be repeatable Multiple reference marks output been deselected or FPC is damaged Check alignment of deselection stickers Replace damaged FPC (if applicable) ATOM linear installation guide...
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Page 28: Atom Readhead
Ø2.5 min through 16.5 20.5 R>20 Dynamic bend radius R>10 Static bend radius 5 min Identification marks for readhead manufacture only. Notches will vary depending on readhead type. Not optical centreline For detailed installation drawings refer to www.renishaw.com ATOM linear installation guide... -
Page 29: Fpc Readhead Dimensions
Identification marks for readhead manufacture only. Notches will vary depending on readhead type. Not optical centreline NOTE: Readhead is supplied with lid separate. FPC cable must be inserted before fitting the lid. For detailed installation drawings refer to www.renishaw.com ATOM linear installation guide... -
Page 30: Output Signals
ATOM readhead: Output signals Interboard connector 15 way D-type (on interboard) Colour Function Signal 4, 5 Power* Brown 9, 10 White 3, 6, 11, 14 12, 13 Incremental Cosine Blue Yellow Sine Green Reference mark Violet Grey Set-up Clear Remote CAL Orange –... -
Page 31: Aci Interface
A-9412-1001 cable (15 way D type) Power 7, 8 FPC connector 2, 9 Incremental FPC cable Reference mark NOTE: Care must be taken not to damage the FPC connector when fitting/removing the cable. Set-up Remote CAL ATOM linear installation guide... -
Page 32: Cable Variant
Power 7, 8 2, 9 Pin 1 Incremental Cable ferrule nominal diameter Pin 12 5.9 ±0.2 mm JST connector Reference mark 6.25 Set-up Interboard connector for Remote CAL connection to Ri, Ti and cabled ACi interfaces ATOM linear installation guide... -
Page 33: Pcb Mounting Variant
Pin 9 Pin 1 ACi PCB output (Samtec FTS-105-01-L-DV-P-TR) connector Pin 10 Pin 2 Pin 10 Recommended mating connector - Samtec CLP-105-02-F-D-P-TR PCB footprint Pin 9 Clearance holes ∅ 0.74 1.27 0.74 (typ) 1.27 (typ) ATOM linear installation guide... -
Page 34: Speed
11.6 – – – – – – – – – – – 0.26 0.13 – – – – – – – – 0.36 0.12 0.06 – – – – – – – – 0.24 0.08 0.04 ATOM linear installation guide... -
Page 35: Output Signals
All power connections should be used either to minimise voltage drop down the cable or incorporate voltage sensing. Push and hold during power ‘Off/On’ cycle - Restore factory defaults † The alarm signal can be output as a line driver signal or 3-state. Please select the preferred option at time of ordering. ATOM linear installation guide... -
Page 36: Speed
0008 (2.5 µm) 0008 (5 µm) safety Resolution (µm) factor 0020 (1 µm) 0020 (2 µm) 0040 (0.5 µm) 0040 (1 µm) Analogue speed 40 µm system – 20 m/s (-3dB) 20 µm system – 10 m/s (-3dB) ATOM linear installation guide... -
Page 37: Ti Interface: Interface Drawing
Alarm output will take the form of 3-state or line driven E signal depending on interface configuration. Push and hold during power ‘Off/On’ cycle - Restore factory defaults Please select the preferred option at time of ordering. Refer to ‘Readhead LED diagnostics’ and ‘Ti LED diagnostics’ for LED indications ATOM linear installation guide... -
Page 38: Speed
6.74 0.338 3.36 1.34 0.676 0.136 0.068 0.034 0.0136 0.0068 1.68 0.84 0.32 0.168 0.084 0.034 0.016 0.008 0.0034 0.0016 Analogue speed 20 µm system – 10 m/s (-3dB) 40 µm system – 20 m/s (-3dB) ATOM linear installation guide... -
Page 39: Electrical Connections
Cable Z = 120R 120R Shield (recommended) A B Z E- 220 pF For more information on FPC contact your local Renishaw representative. Standard RS422A line receiver circuitry. Capacitors recommended for improved noise immunity. Customer electronics Connector/ Cable readhead interface... -
Page 40: Output Specifications
Output specifications Analogue output signals Digital output signals All ATOM readheads and Ri and Ti analogue interfaces Form – Square wave differential line driver to EIA RS422A All ACi interfaces and Ri and Ti digital interfaces Incremental 2 channels V... -
Page 41: General Specifications
20 µm version < ±75 nm Renishaw encoder systems have been designed to the relevant EMC standards, but must be correctly integrated to achieve EMC compliance. In particular, attention to shielding arrangements is essential. For information on scale and readhead part numbers refer to the ATOM data sheet. - Page 42 RENISHAW and the probe symbol used in the RENISHAW logo are registered trade marks of Renishaw plc in the United Kingdom and other countries. apply innovation and names and designations of other Renishaw products and technologies *M-9693-9723-05* are trade marks of Renishaw plc or its subsidiaries.