Renishaw ATOM Installation Manual

30, Renishaw ATOM ATO M linear installation guide 28 ATOM readhead: Output signals 15 way D-type plug Interboard connector for connection to Ri,Ti and cabled ACi interfaces 1 2 13 14 FPC connection Pin 1 JST connector Pin 1 Pin 12 *All power connections should be used either to minimise voltage drop down the cable or incorporate voltage sensing. = Only available on interboard connector Power* Incremental Reference mark Set-up Remote CAL Shield Do not connect Function Signal Cosi…

22, Renishaw ATOM ATO M linear installation guide 20 Accurate bracket and feeler gauge Fix the readhead directly onto a mounting bracket with a thickness of 2 ±0.02 mm then use a 0.5 mm feeler gauge to set the rideheight. NOTE: Bracket A-9401-0103 is not suitable for this installation method. For more information on system tolerances refer to the installation drawings on www.renishaw.com. For more information on bracket design contact your local Renishaw representative. 1 Mount the readhead onto the …

1, RSLM high accuracy linear encoder Installation guide M-9693-9723-05-D ATOM ™ linear encoder systems …

25, Renishaw ATOM ATO M linear installation guide 23 Ti interface * Alarm output will take the form of 3-state or line driven E- signal depending on interface conguration. Also, some congurations 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. Normal setup; signal level 110% to 135% Optimum setup; signal level 90% to 110% Normal set-up: signal level 70% to 90% Acc…

35, ATO M linear installation guide 33 15 1 8 9 CAL button operation Push and release (<2 seconds) - Calibration (CAL) routine initiation/exit Push and release (>3 seconds) - Automatic Gain Control (AGC) initiation/exit Push and hold during power ‘Off/On’ cycle - Restore factory defaults 40 6 min 33.3 R>10 Static bend radius R>20 Dynamic bend radius 8 4- 40 UNC x 2 52 16 CAL button access hole Ø3.15 Ri interface: Interface drawing Dimensions and tolerances in mm * All power connections should be used either to minim…

29, ATO M linear installation guide 27 ATOM readhead: FPC readhead dimensions Dimensions and tolerances in mm 4.15 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 1.4 (40 µm version) 1.9 (20 µm version) 20.5 16.5 10.25 12.7 8.7 2 5.4 4.85* 2 off mounting holes Ø2.5 min through Ø9 max FPC ribbon cable Set-up LED Mounting face Readhead datum faces 2 Readhead/scale orientation 8.5 4.4 Identification marks fo…

37, Renishaw ATOM ATO M linear installation guide 35 CAL button operation Push and release (<2 seconds) - Calibration (CAL) routine initiation/exit Push and release (>3 seconds) - Automatic Gain Control (AGC) initiation/exit Push and hold during power ‘Off/On’ cycle - Restore factory defaults Refer to ‘Readhead LED diagnostics’ and ‘Ti LED diagnostics’ for LED indications * All power connections should be used either to minimise voltage drop down the cable or incorporat…

3, ATO M linear installation guide 1 Further information Further information relating to the ATO M encoder range can be found in the ATO M 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, or transferred to any other media or language, by any means without the written prior permission…

41, Renishaw ATOM Scale specications RTLF Material Hardened and tempered martensitic stainless steel tted with a self-adhesive backing tape Form (H x W) 0.41 mm x 8 mm (including adhesive) Datum xing Adhesive datum clamp A-9585-0028 secured with Loctite 435 Reference mark Customer deselectable reference marks at 50 mm spacing Reference mark in the centre for lengths <100 mm Auto-phase optical reference mark repeatable to unit of resolution throughout specied speed and temperature range. Accuracy (at 20 °C) Coefcient of…

16, ATO M linear installation guide 14 System connection: ACi interface PCB mounting: connecting an FPC variant ATOM readhead Ensure that the FPC cable being used has the following specifications: u 16 core u Conductor pitch 0.5 mm u Minimum exposed conductor strip length 1.5 mm u Maximum exposed conductor strip length 2.5 mm (to ensure isolation from the body) Contact your local Renishaw representative for more information of the FPC design requirements. Shielding For optimum performance: u Ensure 100% shielding u Ground the mounting…

32, ATO M linear installation guide 30 Input signals *All power connections should be used either to minimise voltage drop down the cable or incorporate voltage sensing. = Only available on interboard connector Power* Incremental Reference mark Set-up Remote CAL Shield Do not connect Function Signal Cosine Sine Colour Brown White Red Blue Yellow Green Violet Grey Clear Orange Screen – 5 V 0 V V 1 V 2 V 0 + - + - + - V X CAL – – Interboard connector (T) Pin 4 13…

21, Renishaw ATOM ATO M linear installation guide 19 5 Remove the dummy head. 6 Install the ATOM readhead in place of the dummy head using M2 x 6 screws in diagonally opposite xing holes. Ensure the readhead is pushed back against the shoulder of the bracket or mounting face. 4 Tighten the bracket xing screws whilst ensuring good contact between the ‘nose’ of the dummy head and the surface of the scale. 7 Connect the system up. See pages 11 to 16 for relevant system connection. 9 Proceed with ‘System calibration’ s…

13, ATO M linear installation guide 11 System connection: Readhead only (no interface) The ATOM readhead is available in several variants: u Cable variant with a 15 way D-type connector u Cable variant with interboard connector u FPC variant None of these readhead variants has an integral calibration (CAL) button. Provision should be made 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…

19, Renishaw ATOM ATO M linear installation guide 17 Readhead mounting and alignment: Methods 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. Do not saturate the readhead window with cleaning solvent as this may cause contamination on …

40, ATO M linear installation guide 38 Output specications Analogue output signals All ATOM readheads and Ri and Ti analogue interfaces Digital output signals Form – Square wave differential line driver to EIA RS422A All ACi interfaces and Ri and Ti digital interfaces Incremental † 2 channels A and B in quadrature (90° phase shifted) Reference † Signal period Resolution A B Z Synchronised pulse Z, duration as resolution Incremental 2 channels V 1 and V 2 differential sin…

15, ATO M linear installation guide 13 System connection: ACi interface FPC variant Ensure that the FPC cable being used has the following specifications: u 16 core u Conductor pitch 0.5 mm u Minimum exposed conductor strip length 1.5 mm u Maximum exposed conductor strip length 2.5 mm (to ensure isolation from the body) Contact your local Renishaw representative for more information of the FPC design requirements. Shielding For optimum performance: u Ensure 100% shielding u …

38, ATO M linear installation guide 36 Lowest recommended counter input frequency (MHz) 50 40 25 20 12 10 8 6 4 1 Maximum speed (m/s) 0004 (10 µm) 20 20 20 20 20 20 20 20 20 8.4 0020 (2 µm) 20 20 20 20 18 16.2 12.96 9 6.74 1.68 0040 (1 µm) 20 20 16.2 13.5 9 8 6.48 4.5 3.36 0.84 0100 (0.4 µm) 12.96 10.8 6.48 5.4 3.6 3.24 2.58 1.8 1.34 0.32 0200 (0.2 µm) 6.48 5.4 3.24 2.7 1.8 1.62 1.296 0.9 0.676 0.168 0400 (0.1 µm) 3.25 2.7 1.62 …

12, ATO M linear installation guide 10 Support dowels RCLC glass spar scale: Mounting 4 Locate scale against dowels or ledge and rotate down onto substrate.* 1 Thoroughly clean and degrease the substrate. 2 Remove backing paper from scale. Location ledge 5 or After 24 hours when adhesive is cured, clean scale using Renishaw scale cleaning wipes (A-9523-4040) or a clean, dry, lint-free cloth. 7 Apply llet of adhesive (A-9531-0342). Adhesive can be applied to one or both sides of the scale.…

11, ATO M linear installation guide 9 For detailed installation drawings refer to www.renishaw.com Dimensions and tolerances in mm *Can be applied on one or both sides of the scale. A-9404-4018 0.22 (Roll tol. ±1°) 40 µm version (Yaw tol. ±1°) 20 µm version (Yaw tol. ±0.5°) 6.35 6.82 ±0.25 End reference mark Scale thickness (including adhesive) 1.1 FPC cable Scale datum edge Readhead datum face Set-up …

23, ATO M linear installation guide 21 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. The system is now calibrated and ready for use. AGC can now be switched on if required. NOTE: If calibration fails (readhead set-up LED continues ashing Blue…

24, ATO M linear installation guide 22 System calibration (CAL) 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. Before system calibration: u Clean the scale and readhead optical window u If reinstalling, restore factory defaults u Ensure AGC is switched off (readhead set-up LED is Green, Red or Orange) u Maximise the signal strength along full length of travel (readhead set-up LED is …

28, Renishaw ATOM ATO M linear installation guide 26 ATOM readhead: Cabled readhead dimensions Dimensions and tolerances in mm 6.45 1.4 (40 µm version) 1.9 (20 µm version) 20.5 16.5 10.25 12.7 8.7 2 4.15 4.85* 3 off mounting holes Ø2.5 min through Ø9 max Set-up LED Mounting face Readhead datum faces 5 min Ø 3.5 max R>20 Dynamic bend radius R>10 Static bend radius 2 Readhead/scale orientation Identification marks for readhead manufacture only. …

14, ATO M linear installation guide 12 Removing the FPC cable 1 Placing your finger on the whole of the locking lever, slowly lift it up and away to disengage the locking mechanism. Do not use tools such as screwdrivers or tweezers to open the locking lever as this may cause damage to the connector or pcb. 3 Pull the FPC cable straight back to remove it. Do not pull upwards or sideways as this may damage the readhead. 2 Ensure locking lever is fully open before removing the FPC cable. Inserting the FPC c…

5, ATO M linear installation guide 3 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. IMPORTANT: Prior to installing readhead and…

4, ATO M linear installation guide 2 Storage and handling RTLF and RCLC scales +70 °C -20 °C Minimum bend radius RTLF – 150 mm NOTE: Ensure self-adhesive tape is on the outside of bend. 95% relative humidity (non-condensing) to EN 60068-2-78 Humidity Storage +70 °C 0 °C Operating N-heptane CH 3 (CH 2 ) 5 CH 3 Propan-2-ol CH 3 CHOHCH 3 Scale and readhead RCLC scale only …

31, ATO M linear installation guide 29 14.5 25 4.5 x 45° 2 6 10 25 7.7 9.5 4 4.6 5.6 5.6 15.75 12.5 17 2 mounting holes M3 through CAL pad CAL pad 2 mounting pillars JST output connector * 6.25 FPC input connector = 4 Pin1 Pin1 Output signals Pin 1 Pin 10 ACi JST output connector Pin 1 Pin 16 ACi FPC input connector Component area Component area Component area ACi interface: FPC variant Installation drawing Dimensions and tolerances in mm Signal JST connector A-9…