Renishaw TONiC T103 Series User manual

RSLM high accuracy linear encoder
TONiC™T103x RKLC20-S linear encoder system
Installation guide
M-9653-9568-01-A

TONiC RKLC20-S linear installation guide
Contents
Product compliance 1
Storage and handling 2
TONiC T103x readhead installation drawing 3
TONiC interface drawing 4
RKLC20-S scale installation drawing 5
Scale application 6
End clamps 6
Reference mark selector and limit magnet installation 7
TONiC quick-start guide 8
System connection 9
Readhead mounting and alignment 10
System calibration 11
Output signals 12
Speed 12
Electrical connections 13
Output specications 14
General specications 15
RKLC20-S scale specications 15
Reference mark 15
Limit switches 15

TONiC RKLC20-S linear installation guide 1
The use of this symbol on Renishaw products and/or accompanying documentation indicates that the product
should not be mixed with general household waste upon disposal. It is the responsibility of the end user to
dispose of this product at a designated collection point for waste electrical and electronic equipment (WEEE)
to enable reuse or recycling. Correct disposal of this product will help to save valuable resources and prevent
potential negative effects on the environment. For more information, please contact your local waste disposal
service or Renishaw distributor.
Product compliance
Renishaw plc declares that TONiC complies with the applicable standards and regulations.
A copy of the EC Declaration of Conformity is available on request.
FCC compliance
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
The user is cautioned that any changes or modications not expressly approved by Renishaw plc or
authorised representative could void the user’s authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own expense.
NOTE: This unit was tested with shielded cables on the peripheral devices. Shielded cables must be used
with the unit to ensure compliance.
Patents
Features of Renishaw’s encoder systems and similar products are the subjects of the following
patents and patent applications:
EP1173731 JP4750998 US6775008 CN100543424 EP1766334
JP4932706 US7659992 CN100507454 EP1766335 IN281839
JP5386081 US7550710 CN101300463 EP1946048 US7624513
JP5017275 CN101310165 US7839296 EP1957943 EP2390045
CN1314511 EP1469969 JP5002559 US8466943 US8987633
Further information
Further information relating to the TONiC encoder range can be found in the TONiC system Data sheet
(L-9517-9337). 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 of Renishaw.
The publication of material within this document does not imply freedom from the patent rights of Renishaw plc.
The packaging of our products contains the following materials and can be recycled.
Packaging Component Material ISO 11469 Recycling Guidance
Outer box Cardboard Not applicable Recyclable
Polypropylene PP Recyclable
Inserts Low Density Polyethylene Foam LDPE Recyclable
Cardboard Not applicable Recyclable
Bags High Density Polyethylene Bag HDPE Recyclable
Metalised Polyethylene PE Recyclable
c
REACH regulation
Information required by Article 33(1) of Regulation (EC) No. 1907/2006 (“REACH”) relating to products
containing substances of very high concern (SVHCs) is available at:
www.renishaw.com/REACH
Disclaimer
RENISHAW HAS MADE CONSIDERABLE EFFORTS TO ENSURE THE CONTENT OF THIS DOCUMENT
IS CORRECT AT THE DATE OF PUBLICATION BUT MAKES NO WARRANTIES OR REPRESENTATIONS
REGARDING THE CONTENT. RENISHAW EXCLUDES LIABILITY, HOWSOEVER ARISING, FOR ANY
INACCURACIES IN THIS DOCUMENT.

TONiC RKLC20-S linear installation guide 2
+70°C
−20°C
Minimum bend radius
RKLC20-S – 50 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
Storage and handling
Readhead only
Acetone
CH3COCH3
Methylated
Spirits
Chlorinated
Solvents
N-heptane
CH3(CH2)5CH3
Propan-2-ol
CH3CHOHCH3
Scale and readhead
UHV readhead
Bakeout +120 °C

TONiC RKLC20-S linear installation guide 3
Dimensions and tolerances in mm
TONiC T103x readhead installation drawing
Forward direction of
readhead relative to scale
R >20 Dynamic bend radius
†
R >10 Static bend radius
Ø 4.25 ±0.25
‡
Set-up LED
Optical centreline marker
A
0.6
35
23
11.5
6
min
18
7.8 7.8
Reference mark selector
sensor position
P and Q limit switch
sensor position
Selected IN-TRAC
™
reference mark
0.08
(Roll tol. ±0.5°)
13.5 11
4.15
10
8.75

Offset 3.75 ±0.5 0.25
29
Detail A
Scale reading surface
4.75*
Recommended
mounting faces
Scale thickness 0.15
(including adhesive)
P limit magnet
Reference mark
selector magnet
Q limit magnet
(Yaw tol. ±0.4°)
Rideheight: 2.1 ±0.15
(Pitch tol. ±1°)
2 off mounting holes M2.5 through,
counterbored Ø3×2.3 deep both sides.
NOTE: The recommended thread
engagement is 5 min (7.5 including
counterbore) and the recommended
tightening torque is between 0.25 and 0.4Nm.
3
16
4.25
22
Optical centreline
(incremental and reference mark)
CAL/AGC LED
31
2 off holes M2.5 through,
counterbored Ø3 ×2.75 deep
from alternative mounting face
3
Alternative
mounting faces
*
Dimension from substrate surface. † Dynamic bend radius not applicable for UHV cables. ‡ UHV cable diameter 3 approx. Extent of mounting faces.

TONiC RKLC20-S linear installation guide 4
TONiC interface drawing
CAL button operation
Push and release (<3 seconds) - Calibration (CAL) routine enable/disable
Push and release (>3 seconds) - Automatic Gain Control (AGC) enable/disable
Push and hold during power ‘Off/On’ cycle - Restore factory defaults
Refer to readhead LED functionality chart for CAL LED indications
15
1
8
9
16
4-40 UNC × 2
40
6 min
62 67
CAL /AGC push button switch
access hole Ø2.4
33.3
R>20 Dynamic bend radius*
R>10 Static bend radius
8
Diagnostic LED
(Ti0004 - Ti20KD
and
TD4000 - TD0040)
Cover plate
*
Dynamic bend radius not applicable for UHV cables.
Dimensions and tolerances in mm

TONiC RKLC20-S linear installation guide 5
RKLC20-S scale installation drawing Dimensions and tolerances in mm
NOTE: The reference mark selector and limit actuator locations are correct for the readhead orientation shown.
External magnetic elds greater than 6 mT, in the vicinity of the readhead, may cause false activation of the limit and reference sensors.
Optional bolted reference mark selector and limit magnets
*
Dimension from substrate † Supplied with 2 × M2 × 4 screws.
Bolted magnet type Part number
Reference mark selector A-9653-0290
Q limit A-9653-0291
P limit A-9653-0292
START (see page 6) Scale length (L)
Measuring length ML = (L − 40) (ML = (L − 55) with dual limits)
0.5 F
0.2/100
20
A
P limit magnet
(A-9653-0138)
(Dimensions as Q limit)
RKLC20-S scale
Reference mark selector magnet
(A-9653-0143)
(Dimensions as Q limit)
35
Q limit magnet
(A-9653-0139)
6
Readhead optical detector position at extent of travel
Ra 3.2
0.05 F
F = axis of motion
F = axis of motion
IN-TRAC reference mark
Overall length (L + 30)
15 ±1
3.7
9.7
13
30 10
15 End clamp
(Pair A-9523-4015)
TONiC readhead
P and Q limit
switch sensor position
Optical centreline
(Incremental and reference mark)
9.2
Nominal P limit trigger point Nominal Q limit trigger point
Detail A
FINISH (see page 6)
(20 when Q limit
not used)
1.5*
22
18
10
3.7
Ø2.2
†
1.85
18.5 ±1

TONiC RKLC20-S linear installation guide 6
1Allow scale to acclimatize to installation environment prior to installation.
2Mark out the ‘START’ and ‘FINISH’ points for the scale on the axis substrate – ensure
that there is room for the end clamps. (see ‘RKLC20-S scale installation drawing’).
3Thoroughly clean and degrease the substrate using recommended solvents
(see 'Storage and handling'). Allow substrate to dry before applying scale.
4Mount the appropriate scale applicator to the readhead mounting bracket using
M2.5 screws. Place the shim supplied with the readhead between the applicator and
substrate to set the nominal height.
NOTE: Scale applicator can be mounted either way round to enable easiest
orientation for scale installation.
5Move axis to scale START position, leaving enough room for the scale to be inserted
through the applicator.
6Begin to remove the backing paper from the scale and insert scale into the applicator
up to the ‘START’ point (as shown).
Ensure backing paper is routed under the splitter screw.
Scale application
There are two versions of applicator for use with RKLC20-S scale: side mounted
(A-6547-1912) and top mounted (A-6547-1915). The side mounted version is shown below,
but the application method is the same for both versions of the applicator.
9 During installation ensure scale is adhered to substrate using light nger pressure.
8Slowly and smoothly move the applicator through the entire axis of travel, ensuring the
backing paper is pulled manually from the scale and does not catch under the applicator.
Remove applicator carefully. Apply rm nger pressure via a clean lint‑free cloth along the length of
the scale after application to ensure complete adhesion.
11 Clean the scale using Renishaw scale wipes (A-9523-4040) or a clean, dry, lint-free cloth.
12 Fit end clamps see 'End clamps' below.
7Ensure that the end of the scale is in line with the ‘START’ position on the axis and
apply nger pressure via a clean line‑free cloth to ensure scale end adheres well to
the substrate.
10
M2.5 mounting holes
START
Splitter screw
Direction of scale application
START
RKLC20-S
Backing tape
Splitter screw
End clamps
A-9523-4015 is an end clamp kit designed to be used with Renishaw RKLC20-S scale. Alternatively, narrow
6 mm wide end clamps (A-9523-4027) are also available.
NOTE: End clamps can be mounted before or after readhead installation.
Ensure that excess glue is wiped away from
scale as it may affect the readhead signal level.
3The end clamp features two small regions of contact
adhesive. These will temporarily hold the end clamp
in position while the glue cures. Remove the backing
tape from either side.
1Clean ends of scale and the area where end clamps
are to be tted using Renishaw scale wipes
(A-9523-4040) or one of the recommended solvents
(see ‘Storage and handling’).
4Immediately position end clamp over the end of
the scale and push down to ensure complete
adhesion. Allow 24 hours at 20 °C for full cure.
2Thoroughly mix up a sachet of glue (A-9531-0342)
and apply a small amount to the underside of the
end clamp.

TONiC RKLC20-S linear installation guide 7
For accuracy and ease of positioning of reference mark selector and limit magnets,
the applicator tool (A-9653-0201) should be used. The magnet should be attached
to the applicator tool as shown below. Limit magnets can be positioned at any user
dened location along the scale, but the reference mark selector magnet should be
positioned adjacent to the selected IN-TRAC reference mark as shown.
As the TONiC readhead passes the reference mark selector magnet or limit
switch magnet, a force of up to 0.2 N is generated between the magnet and the
concentrators on the readhead. The design of the bracket should be sufciently stiff
so that it is able to tolerate such force without distorting. Following the clamping
instructions on the scale installation will prevent this magnetic force from disturbing
the scale.
NOTE: Reference and limit magnets may creep when inuenced by magnetic
materials in close proximity. In such cases, they should be held in place using
an additional llet of epoxy glue or similar along the outer edge of the magnet
assembly. Optional bolted reference and limit magnets are available, refer to
‘RKLC20-S scale installation drawing’ for details.
Limit trigger point
The limit output is nominally asserted when the readhead limit switch sensor passes
the limit magnet leading edge, but can trigger up to 3 mm before that edge.
(See ‘RKLC20-S scale installation drawing’).
P limit magnet
Remove
self-adhesive
backing paper
Reference mark
selector magnet
Selected IN-TRAC
reference mark
Q limit magnet
Applicator tool
(A-9653-0201)
NOTE: The reference mark selector
and limit actuator locations are correct
for the readhead orientation shown.
NOTE: External magnetic elds greater than 6mT, in the vicinity of the readhead,
may cause false activation of the limit and reference sensors.
Reference mark selector and limit magnet installation

TONiC RKLC20-S linear installation guide 8
TONiC quick-start guide
This section is a quick-start guide to installing a TONiC system.
More detailed information on installing the system is contained on page 9,
page 10 and page 11 of this installation guide.
INSTALLATION
Ensure scale, readhead optical window and mounting faces are clean and free from obstructions.
If required, ensure reference mark selector magnet is correctly positioned.
(See 'RKLC20-S scale installation drawing').
Plug the readhead cable into the Ti /TD interface under the cover plate and reassemble interface.
Connect to receiving electronics and power-up.
Ensure AGC is switched off - the CAL LED on the readhead should be off (if not press and hold the
CAL button on the interface until the CAL LED on the readhead switches off).
Install and align the readhead to maximise signal strength over the full axis travel as indicated by the
readhead and interface set-up LEDs (readhead - Green; interface - ideally Blue/Purple).
CALIBRATION
Press and release the CAL button on the interface.
The CAL LED on the readhead will be single ashing.
Move the readhead along the scale at slow speed (<100 mm/s),
without passing a reference mark, until the CAL LED starts double ashing.
The system is now calibrated and ready for use. AGC can now be switched on if required by pressing and holding the CAL button until
the CAL LED on the readhead switches on. CAL values and AGC status are stored in readhead non-volatile memory at power down.
NOTE: If calibration fails, restore factory defaults by pressing and holding the CAL button whilst switching on. (See page 11). Repeat the installation and calibration routine.
No reference mark
If a reference mark is not being used, the calibration routine should now be
exited by pressing and releasing the CAL button. The CAL LED will stop ashing.
(Incremental CAL values are automatically stored)
Reference mark
Move the readhead back and forth over the selected reference mark
until the CAL LED stops ashing and remains ‘off’.
(Incremental and reference mark CAL values are automatically stored)

TONiC RKLC20-S linear installation guide 9
System connection
Approved ESD precautions must be followed at
all times during readhead and interface electrical
connections. The readhead is connected to the
Ti /TD interface via a small, rugged connector to
allow for easy feed-through during installation.
Connecting the readhead
1Remove the cover plate as shown
(2 × M2.5 hex head screws).
2Taking care not to touch the pins, plug the
connector into the socket in the interface,
ensuring correct orientation as shown.
3 Ret the cover plate ensuring the cable ferrule is located in the recess on the inside and no wires are trapped under the cover plate.
Disconnecting the readhead
1Remove the cover plate on the interface
(2 × M2.5 hex head screws).
2Gently lever the connector PCB
(on the end of the cable) out of the socket.
Do not pull the cable to remove
the connector.
3Place the connector in an anti-static bag.
4 Ret the cover plate.

TONiC RKLC20-S linear installation guide 10
Roll
0°±0.5°
Ya w
0°±0.4°
Pitch
0°±1°
Rideheight
2.1±0.15mm
Green spacer
Readhead set-up LED status
Green Orange Red
Readhead mounting and alignment
Mounting brackets
The bracket must have a at mounting surface and should provide adjustment to enable conformance
to the installation tolerances, allow adjustment to the rideheight of the readhead, and be sufciently
stiff to prevent deection or vibration of the readhead during operation.
Readhead set-up
Ensure that the scale, readhead optical window and mounting face are clean and free from obstructions.
To set nominal rideheight, place the green spacer with the aperture under the optical centre of the
readhead to allow normal LED function during set-up procedure. Adjust the readhead to maximise the
signal strength along the full axis of travel to achieve a Green set-up LED on the readhead (>70% signal).
If a digital Ti /TD interface is used, aim for a Blue LED on the interface.
NOTE: The readhead should be installed and set-up with the AGC switched off (CAL LED off).
When re-installing factory defaults should be restored (see page 11).
Ti0004 to Ti20KD and TD4000 to TD0040 Interface LED diagnostics
*
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.
T103xreadhead LED diagnostics
*Flash will effectively be invisible when incremental signal level is >70% when passing reference mark.
LED Indication Status
Set-up
Incremental
Green Normal set-up: signal level >70%
Orange Acceptable set-up; signal level 50% to 70%
Red Poor set-up; signal may be too low for reliable operation;
signal level <50%
Reference
mark
Green (ash)*Normal phasing
Orange (ash) Acceptable phasing
Red (ash) Poor phasing; clean scale and recalibrate if required
CAL Operating On Automatic Gain Control – On
Off Automatic Gain Control – Off
Calibration Single ashing Calibrating incremental signals
Double ashing Calibrating reference mark
Reset Flashing at
power-up (<2s) Restore factory defaults
Signal Indication Status Alarm output*
Incremental Purple Normal set-up; signal level 110% to 135% No
Blue Optimum set-up; signal level 90% to 110% No
Green Normal set-up: signal level 70% to 90% No
Orange Acceptable set-up; signal level 50% to 70% No
Red Poor set-up; signal may be too low for reliable
operation; signal level <50% No
Red / blank ‑ ashing Poor set-up; signal level <20%; system in error Ye s
Blue / blank ‑ ashing Over speed; system in error Ye s
Purple / blank ‑ ashing Over signal; system in error Ye s
Reference
mark Blank ash Reference mark detected
(speed <100 mm/s only) No

TONiC RKLC20-S linear installation guide 11
System calibration
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 (contamination around the reference mark
may result in reference mark dephasing).
uIf re-installing restore factory defaults.
uEnsure Automatic Gain Control (AGC) is switched off (CAL LED on readhead is not illuminated)
uMaximise the signal strength along full axis of travel.
NOTE: CAL routine maximum speed <100 mm/s (all Ti /TD interface models).
TD interface can be calibrated in either resolution.
Step 1 – Incremental signal calibration
uPress the CAL button on the end of the interface for <2 seconds
using a 2 mm allen key or similar tool.
WARNING! Activating the CAL switch only requires 2.5 N force.
Applying excess force may permanently damage the switch.
u The CAL LED will now periodically single‑ash to indicate that
it is in incremental signal calibration routine.
uMove the readhead along the axis, ensuring you do not pass
the selected reference mark until the CAL LED starts
double‑ashing. This indicates the incremental signal is now
calibrated and the new settings are stored in the
readhead memory.
uThe system is now ready for reference mark phasing.
uFor systems without reference mark, go to ‘Calibration routine - manual exit’
u If the system does not automatically enter the reference mark phasing stage (no double‑ashing of the
CAL 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.
Step 2 – Reference mark phasing
u Move the readhead back and forth over the selected reference mark until the CAL LED stops ashing
and remains off. The reference mark is now phased.
NOTE: Only the chosen reference mark that has been used in the calibration routine is guaranteed to
remain phased.
uThe system automatically exits the CAL routine and is ready for operation.
u If the CAL LED continues double‑ashing after repeatedly passing the chosen reference mark it is not
being detected.
‑ Ensure that the correct readhead conguration is being used. Readheads can either output all reference
marks or only output a reference mark where a reference selector magnet is tted depending on the
options chosen when ordering.
‑ Check reference mark selector magnet is tted in the correct location relative to readhead orientation
(see ‘RKLC20-S scale installation drawing’).
CAL LED Settings stored
Single ashing None, restore factory defaults and recalibrate
Double ashing Incremental only
Off (auto-complete) Incremental and reference mark
Restoring factory defaults
When re-installing the system or in the case of continued calibration failure,
factory defaults should be restored.
To restore factory defaults:
uSwitch system off.
u Press and hold the CAL button whilst switching the system on. The CAL LED on the readhead will ash
several times, indicating that the factory defaults have been restored.
uRelease CAL button.
uCheck the ‘Readhead mounting/installation’ and recalibrate the system.
NOTE: System must be re-calibrated after restoring factory defaults.
Enabling/disabling AGC
AGC can be switched on or off via the interface.
uPress and hold the CAL button on the interface for >3 seconds to switch AGC on or off. The CAL LED on
the readhead will be illuminated when AGC is active.
NOTE: The system must be calibrated before switching AGC on.
Calibration routine manual exit
u To exit the calibration routine at any stage, press the CAL button. The CAL button will stop ashing.

TONiC RKLC20-S linear installation guide 12
Interface
Ti0000
Function Output type Signal Pin
Power 5 V Power 4
5 V Sense 5
0 V Power 12
0 V Sense 13
Incremental
signals
Analogue
Cosine V1
+ 9
−1
Sine V2
+ 10
−2
Reference mark
Analogue V0
+ 3
−11
Limits
Open collector Vp7
Vq8
Set-up – VX6
Calibrate – CAL 14
Shield – Inner shield Not connected
– Outer shield Case
Function Output type Signal Colour
Power 5 V Brown
0 V White
Incremental
signals
Analogue
Cosine V1
+ Red
−Blue
Sine V2
+ Yellow
−Green
Reference mark Analogue V0 + Violet
−Grey
Limits Open collector
VpPink
VqBlack
Set-up –VXClear
Calibrate –CAL Orange
Shield –Inner shield*Green/Yellow
–Outer shield Outer screen
Speed
Output signals
Interface output (analogue) Ti0000 only
NOTE: TD maximum speeds are resolution dependent as dened above.
Becomes alarm (E+) for Ti options E, F, G, H
‡The alarm signal can be output as a line driver signal or 3-state. Please select the preferred option at time of ordering.
On TD interfaces pin 10 should be connected to 0 V to switch to lower resolution.
Readhead output
*No inner shield on UHV cables.
Interface output (digital) Ti0004 to Ti20KD
and TD4000 to TD0040
Interface
Ti0004 - Ti20KD TD4000 - TD0040
Function Output type Signal Pin Pin
Power 5 V 7, 8 7, 8
0 V 2, 9 2, 9
Incremental
RS422A
digital
A+ 14 14
−6 6
B+ 13 13
−5 5
Reference mark RS422A
digital Z+ 12 12
−4 4
Limits
Open collector P11 –
Q10 –
Set-up RS422A digital X 1 1
Alarm‡
– E + – 11
– 3 3
Resolution switching>– – – 10
Shield – Inner shield – –
– Outer shield Case Case
Clocked
output option
(MHz)
Maximum speed (m/s)
Ti0004
5 µm
Ti0020
1 µm
Ti0040
0.5 µm
Ti0100
0.2 µm
Ti0200
0.1 µm
Ti0400
50 nm
Ti1000
20 nm
Ti2000
10 nm
Ti4000
5 nm
Ti10KD
2 nm
Ti20KD
1 nm
50 10 10 10 6.48 3.24 1.62 0.648 0.324 0.162 0.0654 0.032
40 10 10 10 5.40 2.70 1.35 0.540 0.270 0.135 0.054 0.027
25 10 10 8.10 3.24 1.62 0.810 0.324 0.162 0.081 0.032 0.016
20 10 10 6.75 2.70 1.35 0.675 0.270 0.135 0.068 0.027 0.013
12 10 94.50 1.80 0.900 0.450 0.180 0.090 0.045 0.018 0.009
10 10 8.10 4.05 1.62 0.810 0.405 0.162 0.081 0.041 0.016 0.0081
08 10 6.48 3.24 1.29 0.648 0.324 0.130 0.065 0.032 0.013 0.0065
06 10 4.50 2.25 0.90 0.450 0.225 0.090 0.045 0.023 0.009 0.0045
04 10 3.37 1.68 0.67 0.338 0.169 0.068 0.034 0.017 0.0068 0.0034
01 4.2 0.84 0.42 0.16 0.084 0.042 0.017 0.008 0.004 0.0017 0.0008
Analogue
output 10 (−3dB)

TONiC RKLC20-S linear installation guide 13
Ti /TD interface
Customer
electronics
Inner shield
Outer shield
Output
signals
0 V
5 V
Readhead
Electrical connections
IMPORTANT: The outer shield should be connected to the machine earth (Field Ground). The inner shield
should be connected to 0 V at receiving electronics only. Care should be taken to ensure that the inner and
outer shields are insulated from each other. If the inner and outer shields are connected together, this will
cause a short between 0 V and earth, which could cause electrical noise issues.
NOTE: Maximum cable length between readhead and Ti /TD interface is 10 m
Single ended alarm signal termination (Ti options A, B, C, D)
Customer
electronics
Interface 5 V
4k7
4k7
1k8
100R
100nF
E−
Extension cable
maximum 50 m
dependent upon
clocked output
option
Remote CAL operation (Analogue versions only)
CAL
0 V
All Ti /TD interfaces include a push button switch to enable CAL/AGC
features. However, remote operation of the CAL /AGC is possible via
pin 14 of analogue Ti0000 interfaces. For applications where no
interface is used, remote operation of CAL /AGC is essential.
TD interface resolution switching
Pin 10
0 V
Connect pin 10 to 0 V to switch to lower resolution.
Analogue outputs
V0V1V2−
V0V1V2+
120R
VpVqP Q
R*
5 to 24 V
*Select R so maximum current does not exceed 20 mA.
Alternatively use a suitable relay or opto-isolator.
Limit output (No limits on TD interfaces)
Recommended signal termination
Standard RS422A line receiver circuitry
Capacitors recommended for improved noise immunity
120R
A B Z E−
Customer
electronics
Cable Z0= 120R
A B Z E+ 220 pF
220 pF
0 V
0 V
Grounding and shielding
Digital outputs

TONiC RKLC20-S linear installation guide 14
Alarm asserted when:
– Signal amplitude <20% or >135%
– Readhead speed too high for reliable operation
E− output only for Ti options A, B, C, D
or 3-state alarm
Differentially transmitted signals forced open
circuit for >15 ms when alarm conditions valid.
Output specications
Digital output signals
Form – Square wave differential line driver to EIA RS422A (except limits P and Q)
Analogue output signals
Incremental 2 channels V1and V2differential sinusoids in quadrature centred on 1.65 V (90° phase shifted)
NOTE: Ti0000A00V centred on 2.5 V
Bi-directionally repeatable
Differential pulse V0 centred on 45°
Reference
20 µm
45°
(V1 +)−(V1 −)
(V2 +)−(V2 −)
(V0 +)−(V0−)
0.8 to 1.2 Vpp
360° (nominal)
0°
AlarmAsynchronous pulse
Line driven
Limits Open collector output, asynchronous pulse
Digital Ti interfaces only
Limits Open collector output, asynchronous pulse
Ti0000 interface only
Repeatability <0.1 mm
Length of limit actuator
VpVq
T103xreadhead only
Active low
VpVq
Repeatability <0.1 mm
Length of limit actuator
Active high
Repeatability
<0.1 mm
Length of limit actuator
P Q
Active high or Active low
P Q
Repeatability
<0.1 mm
Length of limit actuator
Incremental
2 channels A and B in quadrature (90° phase shifted)
Reference
NOTE: Select ‘standard’ or ‘wide’ reference at time of ordering, to match the requirements of the controller being used.
Wide reference mark not available on Ti0004 interfaces.
Signal period
Resolution
A
B
Z
ZBi-directionally repeatable pulse Z, duration equal to the resolution
Bi-directionally repeatable pulse Z, duration equal to the signal period
Wide reference
Set-up*
Voltage
at VX
3.3 (nom)
50% 70% 100%
0
0
Signal level
Between 50% and 70% signal level, VXis a duty cycle, 20 µm duration.
Time spent at 3.3 V increases with incremental signal level.
At >70% signal level VXis nominal 3.3 V.
E
>15 ms
Set-up*
0
Voltage
at X
1
100%
0Signal level
Set-up signal voltage proportional to incremental signal amplitude
NOTE: Ti0000 interface contains a transistor to invert the readhead’s ‘active low’ signal to give an ‘active high’ output.
*Set-up signals as shown are not present
during calibration routine.
Inverse signals not shown for clarity
NOTE: No limits on TD interfaces. P limit becomes E+ for options E, F, G, H.
0.7 to 1.35 Vpp with Green LED indication,
(readhead) and 120R termination.
Differential signals V0+ and V0− centred on ~1.65 V
NOTE: Ti0000A00V centred on 2.5 V

TONiC RKLC20-S linear installation guide 15
General specications
Power supply 5 V ±10% Readhead only <100 mA
T103x with Ti0000 <100 mA
T103x with Ti0004 – Ti20KD or TD4000 – TD0040 <200 mA
NOTE: Current consumption gures refer to unterminated
systems.
For digital outputs a further 25 mA per channel pair
(eg A+, A−) will be drawn when terminated with 120R.
For analogue outputs a further 20 mA in total will be
drawn when terminated with 120R.
Power from a 5 V dc supply complying with the
requirements for SELV of standard IEC BS EN 60950-1.
Ripple 200 mVpp maximum @ frequency up to 500 kHz
Temperature (system) Storage −20 °C to +70 °C
Operating 0 °C to +70 °C
(UHV readhead) Bakeout +120 °C
Humidity (system) 95% relative humidity (non-condensing) to EN 60068-2-78
Sealing (readhead) IP40
(interface) IP20
Acceleration (readhead) Operating 500 m/s2, 3 axes
Shock (system) Operating 500 m/s2, 11 ms, ½ sine, 3 axes
Vibration (readhead) Operating 100 m/s2, 55 Hz to 2000 Hz, 3 axes
(scale) Operating 300 m/s2, 55 Hz to 2000 Hz, 3 axes
Mass Readhead 10 g
Interface 100 g
Cable 26 g/m
UHV cable 14 g/m
Readhead cable
(standard)
Double shielded, outside diameter 4.25 ±0.25 mm
Flex life >20 ×106cycles at 20 mm bend radius
UL recognised component
(UHV) Tin coated braided single screen FEP core insulation
Maximum cable length
Readheadto interface
Interface to controller
10 m
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.
RKLC20-S scale specications
Form (H × W) 0.15 mm × 6 mm including adhesive
Pitch 20 µm
Accuracy (at 20 °C) ±5 µm/m
Linearity ±2.5 µm/m achievable with two point error correction
Supplied length 20 mm up to 20 m (>20 m on request)
Material Hardened and tempered stainless steel
Mass 4.6 g/m
Coefcient of thermal expansion (at 20 °C) Matches that of substrate material when scale ends xed
by epoxy mounted end clamps
Instalation temperature +10 °C to + 35 °C
End xing Epoxy mounted end clamps (A-9523-4015)
Approved epoxy adhesive (A-9531-0342)
Scale end movement typically <1 µm up to +40 °C
Reference mark
Type Customer selected IN-TRAC reference mark, directly
embedded into incremental track. Bi-directional position
repeatability
Selection Single reference mark selection by selector magnet
(A-9653-0143) customer positioned.
L ≤100 mm Single reference mark at scale centre
L >100 mm Reference marks at 50 mm spacing (rst reference mark
50 mm from scale end)
Repeatability Unit of resolution repeatability (bi-directional) across full
system rated speed and temperature ranges
Limit switches
Type Magnetic actuators; with dimple triggers Q limit, without dimple triggers P limit
(see ‘RKLC20-S scale installation drawing’)
Trigger point The limit output is nominally asserted when the readhead limit switch sensor passes
the limit magnet leading edge, but can trigger up to 3mm before that edge
Mounting Customer placed at desired locations
Repeatability < 0.1mm
Clocked output option (MHz) Maximum cable length (m)
40 to 50 25
<40 50
analogue 50

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RENISHAW EXCLUDES LIABILITY, HOWSOEVER ARISING, FOR ANY INACCURACIES IN THIS DOCUMENT.
© 2019 Renishaw plc. All rights reserved.
Renishaw reserves the right to change specifications without notice.
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 are
trade marks of Renishaw plc or its subsidiaries.
All other brand names and product names used in this document are trade names, trade marks or registered trade marks of their respective owners.
Part no.: M-9653-9568-01-A
Issued: 03.2019
*M-9653-9568-01*
Renishaw plc
New Mills, Wotton-under-Edge
Gloucestershire, GL12 8JR
United Kingdom
T+44 (0) 1453 524524
F+44 (0) 1453 524901
[e-mail]
www.renishaw.com
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