Related Manuals for Renishaw ATOM RTLF Series
Summary of Contents for Renishaw ATOM RTLF Series
- Page 1 Installation guide M-9693-9723-07-C ATOM linear encoder system ™ Image here if required www.renishaw.com/atomdownloads #renishaw...
- Page 2 This page is intentionally left blank. ATOM linear encoder system...
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Page 3: Table Of Contents
Ti interface ....................... . .35 www.renishaw.com... - Page 4 Readhead mounting and alignment ....................37 Methods .
- Page 5 RKLF scale specifications ......................75 www.renishaw.com...
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Page 6: Legal Notices
/or software, or available on request from your local Renishaw office. or authorised representative could void the user’s authority to operate the equipment. Renishaw warrants its equipment and software for a limited period (as set out in the Standard 47 CFR Section 15.105 Terms and Conditions), provided that they are installed and used exactly as defined in associated Renishaw documentation. - Page 7 47 CFR § 2.1077 Compliance Information Further information relating to the ATOM encoder range can be found in the ATOM ™ miniature encoder system data sheet (Renishaw part no. L-9517-9563). This can be downloaded from Unique Identifier: ATOM our website at www.renishaw.com/atomdownloads and is also available from your local Renishaw representative.
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Page 8: Storage And Handling
Storage and handling Scale RCLC scale only Minimum storage bend radius Scale and readhead RTLF – 150 mm NOTE: During storage, ensure self-adhesive tape N-heptane Propan-2-ol RKLF – 50 mm is on the outside of the bend. CH 3 (CH 2 ) 5 CH 3 CH 3 CHOHCH 3 ATOM linear encoder system... - Page 9 Readhead Temperature Storage System −20 °C to +70 °C Installation RKLF scale +10 °C to +35 °C Readhead and interface Operating System 0 °C to +70 °C Humidity 95% relative humidity (non-condensing) to IEC 60068-2-78 www.renishaw.com...
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Page 10: Atom System Installation Overview
3D models at www.renishaw.com/atomdownloads or contact your local Renishaw representative. IMPORTANT: Prior to installing readhead and scale, installation drawings should be reviewed to ensure the correct orientation of the readhead relative to the scale. -
Page 11: Rtlf / Rklf Tape Scale
Scale length (with optional end covers) = Measuring length + 13 mm relative to scale 2.5 ±0.11 (40 µm version) Scale length (without end covers) = Measuring length + 6 mm 2.5 ±0.055 (20 µm version) For detailed installation drawings refer to www.renishaw.com/atomdownloads www.renishaw.com... -
Page 12: Rklf Installation Drawing
RKLF installation drawing Dimensions and tolerances in mm For dimensioned cabled and FPC readhead drawings, see page and page 40 µm version ( Yaw tolerance ±1°) (Roll tolerance ±1°) 0.36 0.22 20 µm version Reference mark ( Yaw tolerance ±0.5°) 0.18 Set-up LED Offset 2.02 ±0.25 Scale datum edge End clamp... -
Page 13: Rtlf / Rklf Application Methods
Slim applicator A-9402-0060 (RTLF), Top mount applicator A-9402-0028 (RTLF), Top mount applicator A-9402-0028 (RTLF), A-6547-1943 (RKLF). Only for use with A-6547-1947 (RKLF) (page 16). A-6547-1939 (RKLF) (page 16). A-6547-1939 (RKLF) (page 16). ‘ L’ mounting bracket A-9402-0037 (page 16). Continues on page www.renishaw.com... -
Page 14: Rtlf Ledge Or Dowel Mounting
® ™ (P-AD03-0012) Install end covers Optional parts: (optional) (page 19) • Renishaw scale wipes (A-9523-4040) • Loctite 435 dispensing tip (P-TL50-0209) • End cover kit (A-9585-0035) • Reference mark deselection stickers (A-9402-0049 for a sheet of 20) • Lint-free cloth... -
Page 15: Rtlf Mounting
Location ledge 4. Clean scale using Renishaw scale wipes or a clean, dry, lint-free cloth. 5. Fit datum clamp and end covers (page 19) and, if needed, deselect reference marks that are not required as detailed (page 21). -
Page 16: Rtlf / Rklf Scale Applicator
RTLF tape scale, any length There are different versions of the applicator depending upon the scale and design of the readhead mounting bracket. For more information on designing your bracket, contact your local Renishaw representative. • RKLF narrow tape scale, any length... -
Page 17: Rtlf / Rklf Application (Any Length)
Ensure the backing paper feeds out of the back of the applicator around • Insert the scale into the applicator up to the start position. the splitter screw as shown. • Ensure the backing paper feeds out of the back of the applicator round the splitter screw as shown. www.renishaw.com... - Page 18 Slim and side mount applicators: Fit readhead mounting bracket after removal of scale applicator. 13. Clean the scale using Renishaw scale wipes or a clean, dry, lint-free cloth. 14. RTLF: Fit datum clamp and end covers (page 19) and, if needed, deselect reference marks that are not required as detailed (page 21).
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Page 19: Rtlf Datum Clamp
2. Align the markers on the edges of the end cover with the end of the scale and place the end cover over the scale. NOTE: There will be a gap between the end of the scale and the adhesive tape on the end cover. Ensure the adhesive wicks along the entire length of the cut-out. www.renishaw.com... -
Page 20: Rklf End Clamps
RKLF end clamps The end clamp kit is designed to be used with Renishaw RKLF scale to ensure the scale is mastered to the substrate. Alternative narrow 6 mm wide end clamps (A-9523-4111) are also available. NOTE: End clamps can be mounted before or after readhead installation. -
Page 21: Rtlf / Rklf Reference Mark Deselection
50 mm spacing so two can be selected at once for deselecting two reference marks. 1. Ensure the scale is free from dirt and grease by cleaning with a Renishaw scale wipe or one of the recommended solvents (see 'Storage and handling' on page 8). -
Page 22: Rclc Glass Spar Scale
2.5 ±0.11 (40 µm version) Overall length 2.5 ±0.055 (20 µm version) Measuring length For detailed installation drawings refer to www.renishaw.com/atomdownloads Can be applied on one or both sides of the scale. ATOM linear encoder system... -
Page 23: Rclc Mounting
RGG-2 two part epoxy adhesive (A-9531-0342) • Appropriate cleaning solvents (see 'Storage and handling' on page 8) Optional parts: • Renishaw scale wipes (A-9523-4040) • Lint-free cloth Support dowels 1. Thoroughly clean and degrease the substrate using recommended solvents (see 'Storage and handling' on page 8). - Page 24 The datum clamp does not need to be positioned adjacent to a reference mark. It can be positioned anywhere along the axis depending upon the customers’ requirements. 6. After 24 hours when epoxy is cured, clean scale using Renishaw scale wipes or a clean, dry, lint-free cloth.
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Page 25: System Connection
Calibration is an essential part of system set-up that optimises the incremental signals and phases the reference mark. See page for information on the calibration routine. Interboard connector JST 12-way, single row 12SUR-32S. Hirose Interboard connector 14-way, dual row JST mating connector: P-CN10-0051 DF23C-14DP-0.5 V (SM12B-SURS-TF). Hirose mating connector: P-CN03-0024 (DF23-14DS-0.5 V) www.renishaw.com... - Page 26 • Minimum exposed conductor strip length 1.5 mm • Maximum exposed conductor strip length 2.5 mm (to ensure isolation from the body) 3.25 mm Contact your local Renishaw representative for more information regarding FPC design requirements. Shielding Shield For optimum performance: connect pad FPC connector •...
- Page 27 CAUTION: Do not push the locking lever down if no FPC cable is inserted as this will damage the locking mechanism. 3. When the system has been connected, proceed with 'Readhead mounting and alignment' on page 'System calibration' on page 45. www.renishaw.com...
- Page 28 Approved ESD precautions must be followed at all times during readhead electrical connection. 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. CAUTION: Do not use tools such as screwdrivers or tweezers to open the locking lever as this may cause damage to the connector or PCB.
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Page 29: Aci Interface
Conductor pitch 0.5 mm by the readhead mounting screws. • Minimum exposed conductor strip length 1.5 mm • Maximum exposed conductor strip length 2.5 mm (to ensure isolation from the body). Contact your local Renishaw representative for more information regarding FPC design requirements. www.renishaw.com... - Page 30 Cable variant Shielding Ferrule For optimum performance: JST output • Ensure 100% shielding connector • Ground the mounting brackets • Use a metal clamp around the cable ferrule to ground the readhead cable • Ensure continuity of all shields • Maximise the distance between the encoder and motor cables •...
- Page 31 • 16 core • Conductor pitch 0.5 mm • Minimum exposed conductor strip length 1.5 mm • Maximum exposed conductor strip length 2.5 mm (to ensure isolation from the body) Contact your local Renishaw representative for more information regarding FPC design requirements. www.renishaw.com...
- Page 32 PCB mounting: connecting a cable variant ATOM readhead ACi interface Customer PCB 2 mounting holes M3 through Ferrule Input Output Cable interboard connector Shielding For optimum performance: • Ensure 100% shielding • Ground the mounting brackets • Use a metal clamp around the cable ferrule to ground the readhead cable •...
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Page 33: Ri Interface
The readhead is connected to the Ri interface via a small, rugged connector to allow for easy feed-through during installation. NOTE: An optional Ri cable guide (A-9693-2577) is available to simplify assembly. For instructions on how to install the Ri cable guide, download the Ri interface cable guide (Renishaw part no. M-9770-9478) from the website at www.renishaw.com/atomdownloads. - Page 34 Ensure ferrule is located in housing recess 4. Re-assemble the housing ensuring the cable ferrule is located in the recess on the inside and no wires are trapped. 5. Refit the screws. 6. When the system has been connected, proceed with 'Readhead mounting and alignment' on page 'System calibration' on page 45.
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Page 35: Ti Interface
3. 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. NOTE: The tightening torque should be between 0.25 Nm and 0.4 Nm. 4. Proceed with 'Readhead mounting and alignment' on page 'System calibration' on page 45. www.renishaw.com... - Page 36 Disconnecting the readhead 1. Disconnect power. 2. Remove the cover plate on the interface (two M2.5 hex head screws). 3. Gently lever the connector PCB (on the end of the cable) out of the socket. CAUTION: Do not pull the cable to remove the connector. 4.
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Page 37: 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 38: Shim Kit
Shim kit Required parts: Suitable for: • Shim kit (A-9401-0050) constisting of: Applications where the rideheight of the readhead cannot be adjusted. The system should be designed to achieve a nominal distance of 2.3 mm (±0.2 mm) from the readhead mounting Part number Thickness (µm) Quantity in pack surface to the top of the scale. - Page 39 Position or fix the gauge / adapter in place of the readhead and measure the distance to the scale surface. Contact your local Renishaw representative for details of the DTi adapter and digital dial guage. 2. Subtract the distance measured from the nominal rideheight of 2.5 mm to calculate the required shim thickness.
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Page 40: Dummy Kit
2. Loosely mount the readhead bracket onto the axis. • 2 × bracket mounting screws • ATOM readhead The bracket should have a shoulder to control readhead yaw. Contact your local Renishaw representative for more information on bracket design. ATOM linear encoder system... - Page 41 6. Install the ATOM readhead in place of the dummy head using screws in diagonally opposite fixing holes. Ensure the readhead is pushed back against the shoulder of the bracket or mounting face. 7. Connect the system up. See pages to 36 for relevant system connection. 8. Check the readhead set-up LED is green along the full axis of travel. 9. Proceed with 'System calibration' on page 45. www.renishaw.com...
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Page 42: Accurate Bracket And Feeler Gauge
36 for relevant system connection. 6. Check the readhead set-up LED is green along the full axis of travel. 7. Proceed with 'System calibration' on page 45. For more information on bracket design, contact your local Renishaw representative. ATOM linear encoder system... -
Page 43: Signal Amplitude Adjustment
5. Connect the system up. See pages to 36 for relevant system connection. 6. Check the readhead set-up LED is green along the full axis of travel. For more information on bracket design and the Renishaw USB set-up tool kit, contact your local Renishaw representative. www.renishaw.com... -
Page 44: Calibration Overview
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. For more detailed information on calibrating the system see 'System calibration' on page 45. -
Page 45: System Calibration
LED) the calibration of the incremental signals has failed. After ensuring failure is not due to overspeed (> 100 mm/s), exit the calibration routine, restore factory defaults and check the readhead installation and system cleanliness before repeating the calibration routine. www.renishaw.com... - Page 46 Step 2 – Reference mark phasing • Slowly move the readhead back and forth over the chosen reference mark until the readhead set-up LED stops flashing and remains green. The reference mark is now phased. The set-up signal (V will be a nominal 3.3 V depending upon system set-up (see ‘Output specifications’on page 70).
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Page 47: Restoring Factory Defaults
> 3 seconds then disconnect. > 3 seconds then release. > 3 seconds 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. www.renishaw.com... -
Page 48: 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 the ATOM ™ miniature encoder system data sheet (Renishaw part no. L-9517-9563) for more details. • Momentary status only, while fault condition remains. -
Page 49: Troubleshooting
Check that the readhead variant is the correct type for the chosen scale (see the ATOM ™ miniature encoder system data sheet (Renishaw part no. L-9517-9563) for details of readhead configuration). Unable to get a green LED System run-out is not within specification •... - Page 50 Check that the readhead variant is the correct type for the chosen scale (see the ATOM ™ miniature encoder system data sheet (Renishaw part no. L-9517-9563) for details of readhead configuration). No reference mark output • Ensure you are not moving the readhead too fast during calibration mode (maximum speed < 100 mm / sec).
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Page 51: Atom Readhead
3 mounting holes Ø2.5 minimum through 16.5 20.5 For detailed installation drawings, refer to R > 20 dynamic bend radius www.renishaw.com/atomdownloads R > 10 static bend radius 5 minimum Ø3.5 maximum Identification marks for readhead manufacture only. Notches will vary depending on readhead type. -
Page 52: Fpc Readhead Dimensions
NOTE: Readhead is supplied with lid separate. 20.5 FPC cable must be inserted before fitting the lid. For detailed installation drawings, refer to www.renishaw.com/atomdownloads Identification marks for readhead manufacture only. Notches will vary depending on readhead type. Not optical centreline. -
Page 53: Bracket Dimensions
‘ L’ mount bracket Side mount bracket (A-9402-0037) (A-9401-0103) 16.25 10.5 3 holes M2 × 0.4 Ø9.15 10.5 12.7 4.85 Ø9.4 3 holes M2 × 0.4 8.25 16.5 16.5 3.25 2 holes M3 × 0.5 4 slot holes Ø2.2 through www.renishaw.com... -
Page 54: Output Signals
Output signals Interboard connector 15-way D-type (on interboard) Function Signal Colour Power Brown 9, 10 4, 5 White 3, 6, 11, 14 12, 13 Incremental Cosine − Blue Sine Yellow − Green Reference mark Violet − Grey Set-up Clear Remote CAL Orange Shield Screen... -
Page 55: Aci Interface
FPC cable Care must be taken not to damage the FPC connector when fitting / removing the cable. 10-way JST, GH crimp connector. 1.25 mm pitch. Suitable for cable size 26 to 30 AWG. 3 m JST to 15-way D-type cable A-9412-1001. www.renishaw.com... - Page 56 Input signals Output signals Pin 1 Pin 16 Pin 1 Pin 10 ACi JST output connector ACi FPC input connector Function Signal A-9412-1001 cable Power 7, 8 Function Signal JST connector (15-way D-type) 3, 6, 11, 14 Power 7, 8 Incremental 2, 9 −...
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Page 57: Cable Variant Installation Drawing
Component area 2 mounting pillars CAL pad 4.5 × 45° 2 mounting holes M3 through Component area 6.25 10-way JST, GH crimp connector. 1.25 mm pitch. Suitable for cable size 26 to 30 AWG. 3 m JST to 15-way D-type cable A-9412-1001. www.renishaw.com... - Page 58 Readhead cable input connector 21 ±1 Pin 1 6.25 Pin 12 Interboard connector for connection Cable ferrule nominal JST connector to Ri, Ti and cabled ACi interfaces diameter 5.9 ±0.2 mm Pin 1 Pin 10 Input signals Output signals ACi JST output connector Interboard connector (on interboard) A-9412-1001 cable...
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Page 59: Pcb Mounting Variant Installation Drawing
Dimensions and tolerances in mm Recommended mating connector Samtec CLP-105-02-F-D-P-TR PCB footprint 16.1 Clearance holes ∅0.74 10.1 CAL pad 1.27 12.5 1.27 (typ) 0.74 (typ) Component area 14.5 CAL pad 4.5 × 45° 2 mounting holes M3 through Component area www.renishaw.com... - Page 60 ACi PCB mounting variant interface (digital output only) Input Output Function Signal Signal Power Incremental − − − − Reference mark − − Set-up Remote CAL Pin 1 ACi PCB Pin 2 input connector Pin 9 Pin 1 ACi PCB output (Samtec FTS-105-01-L-DV-P-TR) connector Pin 10...
- Page 61 Lowest recommended counter input frequency 0020 0040 0080 0100 0200 0400 1000 2000 (MHz) (2 µm) (1 µm) (0.5 µm) (0.4 µm) (0.2 µm) (0.1 µm) (40 nm) (20 nm) 11.6 0.26 0.13 0.36 0.12 0.06 0.24 0.08 0.04 www.renishaw.com...
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Page 62: Ri Interface Drawing
Ri interface drawing Dimensions and tolerances in mm 33.3 4-40 UNC × 2 CAL button access hole Ø3.15 6 minimum R > 10 static bend radius R > 20 dynamic bend radius CAL button operation Push and release (< 2 seconds) – Calibration (CAL) routine initiation / exit. Push and release (> 3 seconds) –... - Page 63 All power connections should be used either to minimise voltage drop down the cable or incorporate voltage sensing. The alarm signal can be output as a line driven signal or 3-state. Select the preferred option at time of ordering. www.renishaw.com...
- Page 64 Speed Clocked outputs Ri0100, Ri0200 and Ri0400 interfaces have clocked outputs. Customers must ensure they comply with the lowest recommended counter input frequency. Maximum speed (m/s) Lowest recommended 20 µm system 40 µm system counter input frequency (MHz) 0100 0200 0400 0100 0200...
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Page 65: Ti Interface Drawing
Push and hold during power ‘Off / On’ cycle - Restore factory defaults. Refer to ‘Readhead LED diagnostics’ and ‘Ti LED diagnostics’ for LED indications. Cover plate 6 minimum R > 20 dynamic bend radius R > 10 static bend radius Interface set-up LED CAL button access hole Ø2.4 (digital interface only) www.renishaw.com... - Page 66 Output signals Digital Analogue Function Signal Function Signal Power 7, 8 Power 4, 5 2, 9 12, 13 Incremental Cosine − − Incremental Sine − − Reference mark Reference mark − − Alarm Set-up − Remote CAL Set-up Shield Case Shield Case Do not connect...
- Page 67 0.324 0.13 0.065 0.032 0.013 0.0065 2.25 0.45 0.225 0.09 0.045 0.023 0.009 0.0045 3.37 1.68 0.67 0.338 0.169 0.068 0.034 0.017 0.0068 0.0034 0.84 0.42 0.16 0.084 0.042 0.017 0.008 0.004 0.0017 0.0008 Analogue 20 µm system 10 m/s (−3dB) www.renishaw.com...
- Page 68 Speed Digital 40 µm system Maximum speed (m/s) Lowest recommended counter input 0004 0020 0040 0100 0200 0400 1000 2000 4000 10KD 20KD frequency (MHz) (10 µm) (2 µm) (1 µm) (0.4 µm) (0.2 µm) (0.1 µm) (40 nm) (20 nm) (10 nm) (4 nm) (2 nm)
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Page 69: Electrical Connections
120R Cable Z = 120R Shield (recommended) A B Z E− 220 pF For more information on FPC contact your local Renishaw representative. 0 V Customer Standard RS422A line receiver circuitry. electronics Cable readhead Capacitors recommended for improved noise immunity. Connector / interface... -
Page 70: Output Specifications
Output specifications Analogue output signals Set-up (Readhead, ACi, Ri and Ti analogue) All ATOM readheads and Ri and Ti analogue interfaces. During normal operation Incremental 3.3 V (nom) 2 channels V and V differential sinusoids in quadrature, centred ~ 1.65 V (90 ° phase shifted) Voltage at V 40 / 20 µm 100%... - Page 71 Between 50% and 70% signal level, X is a duty cycle. Time spent at 3.3 V increases with incremental signal level. At > 70% signal level X is nominal 3.3 V. ¹ Inverse signals not shown for clarity. Set-up signals as shown are not present during calibration routine. www.renishaw.com...
- Page 72 Alarm Differential line driven output (Ri and Ti digital interfaces) > 15 ms Interface model Alarm asserted when Interface model Alarm asserted when Ri0004 • < 20% signal • < 40% signal Ri0008 • > 135% signal Ri0020 • Overspeed • Overspeed Ri0040 Ri0100 • < 20% signal Ri0200 •...
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Page 73: General Specifications
Outside diameter 3.5 mm maximum Flex life > 20 × 10 cycles at 20 mm bend radius Maximum length 5 m (Extension cable up to 25 m when using Renishaw approved extension cable) UL recognised component FPC cable 16 core, 0.5 mm pitch Minimum exposed conductor length 1.5 mm Maximum exposed conductor length 2.5 mm... -
Page 74: Rtlf Scale Specifications
20 mm to 1 m in 10 mm increments 1 m to 10 m in 1 m increments Mass 12.2 g/m For information on how the substrate affects the axis, contact your local Renishaw representative. RCLC scale specifications Material Soda-lime glass fitted with a self-adhesive backing tape Form (height × width) -
Page 75: Rklf Scale Specifications
Epoxy mounted end clamps (A-9523-4015) RGG-2 two part epoxy adhesive (A-9531-0342) Scale end movement typically < 1 μm Maximum recommended axis length 1 m for 20 μm systems. The scale and end clamps must be installed following the installation process, see page and page 20. www.renishaw.com... - Page 76 WHILE CONSIDERABLE EFFORT WAS MADE TO VERIFY THE ACCURACY OF THIS © 2013–2023 Renishaw plc. All rights reserved. This document may not be copied or reproduced in whole or in part, or transferred to any other DOCUMENT AT PUBLICATION, ALL WARRANTIES, CONDITIONS, REPRESENTATIONS media or language by any means, without the prior written permission of Renishaw.