To operate the instrument correctly and safely, Mitutoyo manuals use various safety signs (Signal
Words and Safety Alert Symbols) to identify and warn against hazards and potential accidents.
The following signs indicate general warnings:
Indicates an imminently hazardous situation which, if not avoided, will result in serious
DANGER
WARNING
CAUTION
injury or death.
Indicates a potentially hazardous situation which, if not avoided, could result in serious
injury or death.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury or property damage.
The following signs indicate specific warnings or prohibited actions, or indicate a mandatory action:
Alerts the user to a specific hazardous situation. The given example means “Caution,
risk of electric shock”.
Prohibits a specific action. The given example means “ Do not disassemble”.
Specifies a required action. The given example means “Ground”.
No. 99MBC095A
i
CONVENTIONS USED IN USER'S MANUAL
On Various Types of Notes
The following types of notes are provided to help the operator obtain reliable measurement data
through correct instrument operation.
IMPORTANT •An
of a task. You cannot disregard this note to complete the task.
• An important note is a type of precaution, which if neglected could result in a loss of
data, decreased accuracy or instrument malfunction/failure.
NOTE A note emphasizes or supplements important points of the main text. A note supplies infor-
mation that may only apply in special cases (e.g.. Memory limitations, equipment configurations, or details that apply to specific versions of a program).
TIP A tip is a type of note that helps the user apply the techniques and procedures described in
the text to their specific needs.
It also provides reference information associated with the topic being discussed.
Mitutoyo assumes no liability to any party for any loss or damage, direct or indirect,
caused by use of this instrument not conforming to this manual.
Information in this document is subject to change without notice.
important note is a type of note that provides information essential to the completion
NOTES FOR EXPORTING
Before exporting this product confirm the final purpose of use at the export destination to
prevent the product from being used for developing weapons of mass destruction or military
affairs. In the case of export to the U.S., this product requires an application for prior
approval of CDRH (Center for Devices and Radiological Health) in FDA (Food and Drug
Administration). For detailed information consult a Mitutoyo sales office. Also, if this
product is exported with it incorporated in equipment, the final product requires an application for FDA approval. If this is the case, note that the client must file an application for
approval.
ii
No. 99MBC095A
PRECAUTIONS
1. Safety Precautions
The Measuring Unit connected to the Display Unit uses a very low power laser.
Use of controls or adjustments or performance of procedures other than those specified
herein may result in hazardous radiation exposure.
1) An applicable laser product class of the IEC standard: a Class 2 laser product uses a
visible laser (maximum power: 1.3 mW for scanning; laser device: semiconductor laser;
wavelength: 650 nm).
2) Do not look directly into the laser beam. (Even if it seems that no light is being emitted
from the emission window, do not look into it.)
3) If measuring flat objects with mirror finishes, avoid looking at the reflection on the
surface.
4) Close the beam shutter when the instrument is not in use.
5) Do not remove the laser class identification labels attached to the Measuring Unit.
6) Before using this unit, carefully read the “Measuring Unit Specifications” and “Precautions on Use of Laser” sections provided in the manual supplied with the Measuring
Unit.
2. Before making the connection between the Measuring Unit and the Display Unit, turn off the
power. If an optional device is to be connected to this system, make sure that the optional
device is also turned off.
3. Firmly tighten the screws of the cable connectors and interfaces to ensure shielding.
4. Do not touch the terminals of the connectors, otherwise contact may be poor.
5. Positively ground the Display Unit.
6. An error display may appear during operation. However, it may not always indicate a fault. If
an error display appears, consult the “Maintenance and Inspection” section.
7. Unplug the power cord when a system failure is encountered.
Do not open the covers provided on the emission unit and reception unit.
No. 99MBC095A
iii
INSTALLING CONDITIONS
The Mitutoyo Laser Scan Micrometer LSM-6100 series is both a precision optical instrument
and a precision electronic instrument, and this unit is the instrument suitable for indoor use as
well. Therefore, it must be carefully installed and the following conditions must be taken into
consideration to attain the highest possible accuracy.
1. Vibration
Install this unit if possible in a place where it will not be subject to vibration. If this unit is
used for a long period of time in an environment where there are significant vibrations, the
precision parts in this unit may be affected, resulting in the deterioration of measuring
accuracy.
If this unit has to be used in an environment where vibration is significant, measures such as
the laying of a vibration damping rubber pad under the unit must be applied to reduce the
effect of vibration.
2. Dust
Dust and airborne particles at the installation site adversely affect optical parts including the
protective glass and electronic parts of the Measuring Unit. Place this unit in a place with as
little dust and as few airborne particles as possible.
3. Direct sunlight
If this unit is subjected to direct sunlight, the heat may deform this unit and affect the
measuring accuracy.
4. Draft from air-conditioning equipment
5. Ambient temperature and humidity
WARRANTY
If this unit must be placed by a window where it will be subjected to direct sunlight, protect
the unit by shading it.
If the measuring area is subject to such as warm or cold draft from any air-conditioning
equipment, the laser beam may be artificially refracted due to the unevenness of ambient air
concentration, affecting the measurement accuracy.
If this is the case, block the draft in the mid-way to the measuring area by such as a curtain, etc.
This unit must be operated in an environment where the temperature is between 0 and 40˚C
and the humidity is between 35 and 85% RH. Avoid installing this unit where there is
significant temperature or humidity change.
Significant temperature and humidity changes may reduce measuring accuracy.
In the event that the Mitutoyo Laser Scan Micrometer (LSM) should prove defective in
workmanship or material, within one year from the date of original purchase for use, it will
be repaired or replaced, at our option, free of charge upon its prepaid return to us.
If the unit fails or is damaged because of the following causes it will be subject to a repair
change, even if it is still under warranty.
iv
1. Failure or damage due to inappropriate handling or unauthorized modification.
2. Failure or damage due to transport, droppage, or relocation of the machine after
purchase.
3. Failure or damage due to fire, salt, gas, abnormal voltage, or natural catastrophe.
This warranty is effective only where the machine is properly installed and operated following this manual.
No. 99MBC095A
CONTENTS
CONVENTIONS USED IN USER'S MANUAL ................................................................. i
NOTES FOR EXPORTING ............................................................................................... ii
8.1 LSM-6200 Display Unit ................................................................................. 8-1
9.RESTRICTIONS ASSOCIATED WITH THE COMBINATION OF FUNCTIONS,
TABLES OF THE BASIC SETUP MODES ......................................................... 9-1
9.1 Restrictions Associated with the Particular Combination of Functions ........ 9-1
9.2 List of Setup Modes ...................................................................................... 9-2
9.2.1List of basic setup modes................................................................. 9-3
9.2.2List of calibration functions ............................................................... 9-5
9.2.3Reading in the amount of light ......................................................... 9-5
9.2.4List of function setup modes ............................................................ 9-6
ix
MEMO
No. 99MBC095A
INTRODUCTION
1
1.1Outline
This system is an accurate, non-contact measurement system capable of measuring workpiece
dimensions at a high speed using a highly directional scanning laser beam.
This non-contact optical measuring system is capable of measuring workpieces which are
difficult to measure with conventional measuring instruments. It performs simple and
accurate measurement of brittle or elastic objects, objects at high temperature, objects which
must be kept clean, and soft objects which may be deformed and suffer dimensional changes
under the measuring forces used.
1.2Foreword
This user’s manual primarily explains the functions of the Display Unit. For information
about the safety precautions, specifications, dimensions, standard accessories, and options for
each Measuring Unit, refer to the user’s manual supplied with the Measuring Unit.
This chapter describes the Laser Scan Micrometer (LSM) models and
nomenclature of the Display unit and the Measuring unit.
1.2.1Measuring units available
This Display Unit can be used with the following Measuring Units.
All models, excluding the LSM-500S, can be used separately (the laser emission unit and
reception unit can be separated) by removing the mount from the Measuring Unit.
For information about using an LSM separately, refer to the measuring unit user’s manual.
No. 99MBC095A
1 - 1
1.3Nomenclature
This section gives the name of each part in the LSM system.
1.3.1Display Unit
(1)Front panel
(2)Displays and keys
Mitutoyo
Power switch
SHIFT
READ
Data display
LASER SCAN MICROMETERLSM-6200
PROG.
LOCKCALP.SETS.EDUAL
LD1 ON
LD2 ON
BUSYRUN+NGGO-NG
Status indicator LEDs (lit/unlit)
Workpiece position indicator LED
DATA C
RUN
7
C.RUN
8
S.PR
PRINT
SET
C9
Operation keys
DATA C
SHIFT
RUN
READ
7
H.CAL
4
L.CAL
1
LOCK
UNIT
C.RUN
8
5
2
•0
A.CL
M.CL
S.PR
PRINT
+/-
STAT
S.E
SET
C9
6
LIMIT
P.S V
3
P.SET
MASTER
REF
ENT
Stand
1 - 2
H.CAL
L.CAL
4
1
LOCK
UNIT
5
2
•0
A.CL
M.CL
6
3
+/-
STAT
S.E
LIMIT
P.S V
P.SET
MASTER
REF
ENT
No. 99MBC095A
(3)Rear panel
1. INTRODUCTION
Add-on Unit installation space
Name plate
ID Unit Protection cover
Signal cable connector
Scanning signal connector
Remote interlock connector
TIP 1. A label which describes the terminal block name “I/O ANALOG” can be seen if the
Optional Dual-type
ID UNIT 1
ID
TRANSMITTER-1
SCAN SIG.-1
REMOTE INTERLOCK
Optional Interface add-on space
(Second Analog I/O Unit, BCD Output Unit, GP-IB Unit)
Optional Digimatic Output Unit
add-on space
AC power inlet
FOOT
SW.
I/O ANALOGRS-232C
Analog I/O connector
RS-232C connector
Foot switch
Fuse holder
AC power inlet
protective cover of the Analog I/O terminal block is opened. Use this for wiring.
2. The terminal located at the left end of the power input terminal and marked (by a
symbol ) is the grounding terminal to keep the potential of signal line of this
unit equal with other instrument connected. It is used to enhance resistance
against electrical interference.
NOTE Precautions for wiring the terminal block
1. If wiring the I/O analog terminal and Power input terminal, do not directly touch the
output terminals of the terminal block by hand, which has static charges, because
the internal circuit may be damaged by static discharge.
If your hands are charged, discharge the static energy by touching the metallic
surface of the Display Unit in advance. In addition, unplug the power cable from
the outlet before commencing wiring.
2. After wiring has been completed, close the protective cover.
3. Do not touch the input terminals on the terminal block during operation, otherwise
an operation error may result.
No. 99MBC095A
1 - 3
1.3.2Measuring Unit
(1)Measuring Unit (integrated-type Measuring Unit)
LSM-500S
Laser emission indicator LED
Serial number label
Emission window
Emission unit
Mitutoyo
LSM-500S
LASER SCAN MICROMETER
Lens caps
Reception unit
Signal cable
(2)Measuring Unit (separate-type Measuring Unit)
LSM-501S, 503S, 506S, 512S, 516S
Laser emission
indicator LED
Serial number label
Connection cable
Signal cable
Mitutoyo
LASER SCAN MICROMETER
Emission window
LSM-501S
Mount
Reception unitEmission unit
Shutter
Reception window
Reception window
1 - 4
No. 99MBC095A
SETUP
2
This chapter describes the connection between the Display Unit and
Measuring Unit.
2.1Unpacking and Acceptance Check
Your LSM has been thoroughly inspected prior to shipment. The mechanical, electrical, and
optical systems are guaranteed to operate properly.
Unpack the package and check that the accessories, for the Display Unit or Measuring Unit,
and signal cables, etc., are intact and not damaged.
Contact Mitutoyo if anything is damaged or missing.
2.2Connecting the Cables
Make sure that the power switch is turned off (turn the key switch counterclockwise to align
with “O”, then pull it out), then connect the cables according to the following procedure.
Step 1: Integrating the option interface
For the option interface (Dual-type Add-on Unit, Second Analog I/O Unit, BCD
Output Unit, GP-IB Unit, and Digimatic Output Unit) to become available with the
LSM, it must be installed by referring to Section 6.3 “Installing the Optional Interface Unit”.
For information about the setup switches on the BCD and GP-IB interface units refer
to Section 6.2.3, “BCD Interface” and Section 6.2.4, “GP-IB Interface”, respectively.
No. 99MBC095A
2 - 1
Step 2: Attaching the ID unit
1. Loosen the two screws that secure the ID unit protection cover at the left on the
real panel of the Display Unit and remove the cover by sliding it rightward.
2. Remove the dummy ID unit (amber) that has been mounted at the left of the
“TRANSMITTER-1” connector on the rear panel of the Display Unit, then insert
the ID unit (beige) that comes in the same package as the Measuring Unit.
This ID unit stores critical data that ensures the accuracy of the Measuring Unit
and has the same serial number as the accompanying Measuring Unit. Confirm that
these two numbers are identical before inserting the ID unit.
ID unit slot
SCAN SIG.-1ID UNIT 1
TRANSMITTER-1
ID
ID unitMeasuring unit
ID unit
Serial number label
REMOTE INTERLOCK
If a Dual-type Add-on Unit is used, install the ID unit in the ID UNIT 2 slot above
the ID UNIT 1.
3. Replace and secure the ID unit protection cover revering the procedures in step 1
above.
2 - 2
No. 99MBC095A
2. SETUP
IMPORTANT • If the dummy ID unit is still mounted, “”
is displayed in the lower section of the display. If
this is the case, turn off the power and replace the
dummy ID unit with a proper ID unit.
• If the ID unit has not been installed, an error
display as shown at the right will appear in the
upper section of the data display unit and the
operation of this unit stops.
• If the ID unit is not installed or if the serial number of
the Measuring Unit is not consistent with that on the
ID unit, the system will not work and an error code
as shown at the right will be displayed at power on.
At the same time, the 6-digit serial number of the
measuring unit is displayed for confirmation.
If the
automatically started. However, the measuring accuracy can not be guaranteed. If
the optional dual-type add-on unit is used to perform measurement with two
Measuring Units, make sure that the serial numbers of the two Measuring Units,
which are connected to the “TRANSMITTER-1” connector and “TRANSMITTER-2”
connector, are identical. If neither of the two Measuring Units has a serial number
identical to that of the ID unit, a serial number of the Measuring Unit on the
“TRANSMITTER-1” side will be displayed in the upper display section, and that of
the Measuring Unit on the “TRANSMITTER-2” side will be displayed in the lower
display section.
key has been pressed to enter the ready state, measurement can be
C
PROG
PROG
PROG
No. 99MBC095A
ID unit
ID
Connecting cable
Signal cable
GND lead wire
Remote interlock
Step 3: Connecting the connecting cable (except for the LSM-500S)
Connect the cable which runs from the base of the Measuring Unit to the lower
connector (5-pin) on the rear panel of the emission unit.
Step 4: Connecting the signal cable
Insert the round plug (12-pin) of the signal cable into the upper connector (12-pin)
on the rear panel of the emission unit. Tighten the ring screw to firmly secure the
connectors.
Insert the square connector (15-pin) on the other end of the signal cable into the
connector “TRANSMITTER-1” at the upper left of the display rear panel and tighten
the securing screws.
If measurement is performed with two Measuring Units while using the optional
dual-type add-on unit, plug the cable from the second Measuring Unit into the
“TRANSMITTER-2” connector, then firmly tighten the screws.
Step 5: Connecting the power cord and GND lead wire
Connect the supplied power cord to the AC connector at the upper right on the rear
panel of the Display unit. Also be sure to ground the Display unit with the GND lead
wire for improved resistance to noise.
Power
cord
2 - 3
Terminal to which a grounding wire is connected.
(
)
Ground the system using the provided grounding wire to avoid the effect of interference noise caused in the setup environment.
Step 6: Checking the remote interlock connector
Make sure that the short-circuiting pin is inserted into the “REMOTE INTERLOCK”
connector on the rear panel of the Display Unit. If this short-circuiting pin is not
inserted, laser emission is disabled, even if the power switch is on.
To emergency stop laser emission, refer to the following diagram.
Switch ON: Laser emission ON
Switch OFF: Laser emission OFF
Short-circuiting pin
Switch
5V, 3mA
Applicable connector: PJ-2
Manufacturer: Sato Parts
NOTE Recovering operation is not guaranteed. Never use this function for other than
emergency stop.
Step 7: Connecting the interface
For information about the procedure used to connect the interface, refer to Section
6.1.1, “I/O Analog Interface” and Section 6.1.2, “RS-232C Interface”.
NOTE 1. Note the following when connecting the signal cable.
For information about the precautions to be observed when connecting the signal
cable refer to the measuring unit user’s manual.
2. Note the following when making cable connections.
Always make connection or disconnection with the power cord unplugged. In
addition, before connecting to the interface make sure that the power to all other
units connected or to be connected are also off.
2 - 4
No. 99MBC095A
2.3Preliminary Checks
The necessary connections should be completed by following the procedure described in the
previous chapter. Simplified operation checks are described here.
Step 1: Fully open the lens cap and shutter of the Measuring Unit.
Fully open the lens caps and beam shutters of both the emission unit and reception
unit to ready the laser beam for emission.
The lens caps should be completely removed, and the shutters should be as shown in
the diagram below.
If the shutter is closedIf the shutter is open
Step 2: Power on
• Turn the power key switch on the Display Unit clockwise until it is in the I
(power on) position and the power is on.
• This unit enters the self check mode and all the LEDs and segments turn on. They
will turn off shortly, and eights will be displayed in the upper display section.
When is displayed across the upper display section, the unit will turn
off shortly. This is followed by the self check on the lower display section.
2. SETUP
Emission window
Shutter window
Shutter
PROGPROG
PROG
• In the lower display section eights will appear sequentially from the left to
right.
• After is displayed across the lower display section, it will
turn off shortly.
PROGPROG
• Measurement is started.
The LD1 ON (LD1 ON and LD2 ON in the dual-unit measurement) LED turns on
and the BUSY LED starts flashing to indicate the measurement has started from
the ready state.
Since the objective segment has been set to
PROG
“SEG 1” at the factory, the displayed measurement shows the laser scanning range of the
Measuring Unit.
Here, the Display Unit is found to be normal
because the scanning range is displayed.
Proceed to Chapter 3, “DISPLAYS AND KEY
OPERATIONS”, to custom set up each
function.
No. 99MBC095A
2 - 5
• An error may be displayed at this stage,
however, the display at the right is not actually
an error. Check the shutter of the Measuring
Unit.
For information about other errors that may result refer to Section 8.3, “Error
Messages and Remedies”.
2.4Initializing the LSM-6200 Display Unit
After making sure that this unit is operating normally, initialize the Display Unit so it can
recognize the Measuring Unit(s) to be used.
Initialization of the Display Unit is also required if the Measuring Unit needs to be changed.
In addition to replacing the ID unit that is associated with the Measuring Unit, initialize the
Display Unit (i.e. restore the factory setups) with the following procedure.
The initialization procedure is as follows:
Step 1: Turn off the power and connect the Measuring Unit with the ID unit that comes with
the Measuring Unit installed.
PROG
Step 2: Turn on the power while holding down the
Hold down the
key for approximately 2 seconds, even after the power is on.
C
Step 3: When the self check has been completed, the
key.
C
PROG
display shown at the right will appear. To initialize, press the
key. When the initialization
ENT
process has been completed, the display restors
the initial conditions that existed just after the
power on.
To abort initialization press a key other than the
key or turn the power off.
ENT
In the former case the initialization process will be aborted and the initial display at
power-on will be restored.
NOTE Initialization will clear all the customer setup data and will restore the factory-setups.
Customize the setups again as necessary.
2 - 6
No. 99MBC095A
DISPLAYS AND KEY
3
OPERATIONS
This Display Unit is provided with many useful functions that can be
customized according to the user's needs.
This chapter describes these functions and key operations.
3.1Outline of the Operation Modes
3.1.1Measurement Principle
In order for the user to understand the measurement principle of the LSM, the following
paragraphs describe about the system block diagram, segments (measurement positions) and
measurement interval (measurement time).
3.1.1.1 Overview
Unlike light emitted from natural sources, a laser provides extremely fine, rectilinear beams
which do not diffuse (coherent light beams).
Using the properties of the laser beam, the Mitutoyo Laser Scan Micrometer (LSM) moves a
scanning laser beam over the workpiece and determines its dimensions by measuring the
duration in which the beam is obstructed by the workpiece.
No. 99MBC095A
Emission unitReception unit
Polygon mirror
Polygon mirror
Laser power source Semiconductor laser
MP
Motor driving pulse
CPU
MotorColimator lens
Clock pulse
ROM RAM
Data display
Keyboard
Counter
RS-232C
Photoelectric element
(reset signal generation)
RS
GateEdge signal
I/O analog
interface
Workpiece
Segment
selection circuit
Foot switch
Condenser lens
Amplifier
ttt
Edge signal
Option I/F
Reception
device S
RS
3 - 1
The configuration of the system is shown in the above block diagram. A laser beam emitted
from the laser oscillator is directed at the polygon mirror which rotates at high speed and is
synchronized by clock pulses. The laser beam that is reflected by the polygon mirror is then
collimated by the collimator lens towards the workpiece. As the polygon mirror rotates, this
horizontal beam scans the workpiece and the beam not obstructed by the workpiece will
reach the photoelectric element through the condenser lens and induce an output voltage in
the photoelectric element. The output voltage will change according to the duration over
which the laser beam is obstructed. Counting pulses generated during that period are used to
determine the dimension of the obstructed portion. This data is sent to the CPU for processing and the dimensions are displayed digitally.
Consequently, either the dimensions of the workpiece (shadowed areas) or workpiece
clearances (highlighted areas) can be determined by specifying the segments to be measured.
TIP In the system block diagram described in the previous page, the laser beam passed
through the collimator lens is made parallel and, at the same time, stopped down so
that the beam diameter is minimized at the measurement position.
3 - 2
No. 99MBC095A
3.1.1.2 Setting the segment
Set the objective portion of a workpiece to be measured.
The highlighted and shaded portions created when the laser scans over the workpiece are
controlled with each assigned number. In the basic setup a selection must be made from one
of two cases: case where there are 1 to 4 highlighted and shaded sections, and case where
there are 1 to 127 similar sections. In the former case the portions are controlled through the
segment number, and are simply called segments. In the latter case the portions are controlled
by the edge number (edge number is between 1 and 255) and called edges. Edge numbers
equal to or greater than 256 are not available.
• A maximum of 4 highlighted sections and a
maximum of 3 shaded sections can be measured.
• Multiple segments can be specified at the same
time.
• Specify segments 1 to 3 for a transparent object.
Edge specification
EDGE1
Highlight 1
Shade 1
Highlight 2
Shade 2
Highlight 127
Direction of laser scanning
Shade 127
Highlight 128
EDGE2
EDGE3
EDGE4
EDGE5
EDGE254
EDGE255
EDGE256
• A maximum of 127 highlighted sections and a
maximum of 127 shaded sections can be measured.
• Always specify the start edge and finish edge
numbers. These two edges can be either continued or separated. However, they must not be
identical.
• Edge numbers can not be specified for a transparent object.
• If automatic measurement is specified in the basic
setup, intervals, outside diameters, or gaps
between the same shape of multiple pins can be
automatically measured.
No. 99MBC095A
3 - 3
3.1.1.3 Measurement interval (measurement time)
A measurement interval (measurement time) varies depending on the averaging method and
the number of scans selected for the measurement data.
There are two types of averaging method: the arithmetical average and the moving average.
Select the one best suited for the user’s purpose.
1)Arithmetical average
• If a moving workpiece is measured, the OD of the workpiece is determined by averaging
the measured data taken from each section (a: first measurement, b: second measurement,
.... n: nth measurement) of the workpiece the specified number of averaging times, as
shown below.
2)Moving average
first measurement
second measurement
ban
Moving workpiece
. . .
nth measurement
Moving direction
• One of the following number of averaging times can be selected: 1, 2, 4, 8, ....1024, 2048.
(If extra fine wire measurement is specified in the basic setup, the number of averaging
times can be selected from between 16 and 2048.)
• This is suitable for measuring a still object or the run-out of rollers, etc.
In the moving average method, a measurement interval identical to that in the arithmetical
average is divided into finer sections such as a1 (1st measurement), a2 (2nd measurement), -
- - , an (nth measurement). Each measurement is performed almost in parallel. If, for ex-
ample, the number of averaging times is set to 512, the first measurement requires the
amount of time that corresponds to 512 scans. However, for the second measurement onward,
only the time for 16 scannings is required. With respect to a workpiece with a changing OD,
this method provides data with smooth variation because of the many pieces of data, and also
quickly detects the trend of workpiece OD variation.
Measurement with
arithmetical averaging
Measurement with
arithmetical averaging
3 - 4
an
. . .
a2
a1
Moving workpiece
an measurement
. . .
a2 measurement
a1 measurement
Moving direction
Output of an measurement
Output of a2 measurement
Output of a1 measurement
• One of the following number of scans can be selected: 32, 64, 128, ....1024, 2048.
• This method is suitable for the feedback control of wire drawing machines and extruding
machines.
No. 99MBC095A
3.1.2Outline of the Operation Modes
The LSM system has the following modes:
1: Basic setup mode, 2: Calibration mode, 3: Function setup mode, 4: Other setup mode, 5:
Statistical result display mode, and 6: Measurement mode.
3. DISPLAYS AND KEY OPERATIONS
Power ON
LOCK
4: Other setup mode
5 : Statistical result
display mode
Error check
SET
6 : Measurement mode
, ,
ENT
UNITUNIT
LOCK
( )
UNIT
Ready state
DATA C
,
RUN
Measurement in progress
(Program being executed)
C.RUN
C
LOCK
SHIFT
H.CALL.CAL
ENT
• Single-run measurement
SHIFT
S.PR
PRINT
• Continuous-run
• measurement
( )
DATA C
RUN
SET
•
LIMIT
• , , + , +
Measured data display
(Latched display)
S.PR
SET
( )
PRINT
• Latch timer
C
•
SET
•
ENT
• ( , , )
Power ON +
SET
1 : Basic setup mode
2 : Calibration mode
( , )
H.CAL L.CAL
MASTER
REF
SHIFT
MASTER
REF
3 : Function setup mode
P.S V
MASTER
LIMIT
REF
P.SET
SHIFT
P.S V
P.SET
No. 99MBC095A
3 - 5
3.1.2.1 Basic setup mode
• This mode is used to customize the basic setup conditions, including the resolution,
interface conditions, and available functions, according to the measurement requirements.
For more information, refer to Section 4.1, “Basic Setup”.
• To enter the basic setup mode turn on the power (turn the key switch clockwise from the
“O” position to the “I” position) while holding down the
key for about 2 seconds to initiate the basic setup mode.
3.1.2.2 Calibration mode
• Depending on the environment in which the LSM is used and the Display Unit - Measuring Unit combination, measurement errors may result. Therefore, always perform calibration prior to use, taking the measuring range and environmental conditions into account.
If calibration is performed, the errors described above will be reduced and high accuracy
will be ensured.
• Before performing calibration, always make the setups for resolution, simultaneousmeasurement, dual-unit measurement and available segments in the basic setup mode. If
this order is reverse, the previously set calibration values may be discarded.
• For more information, refer to Section 4.2, “Calibration”.
• Press the
key to enter the HI CAL mode; and press the
H.CAL
CAL mode.
3.1.2.3 Measuring condition setup mode
key. Hold down the
SET
key to enter the LOW
L.CAL
• This mode is used to set up measuring conditions, including segments (objective portion of
workpiece to be measured) and GO/NG judgment criteria.
• Press the
• Each of the
the individual function setup item to be established.
• Press the key to enter the setup operation for the setup item which is used most
often.
3.1.2.4 Other setup mode
• This mode is used to set the key lock and to set the unit of measurement.
• Press the
LOCK/
UNIT
• Press the
3.1.2.5 Statistic display mode
• Displays the statistical processing results.
• Press the
• Press the
results to be printed.
key to enable all the function setup items established to be set in a batch.
SET
LIMIT, SHIFT
and
SHIFT
LOCK/
→
P.S V/
key to turn on and off the key lock; and press only the
UNIT
P.SET
,
MASTER/REF
,
SHIFT
→
MASTER/REF
keys allows
key to enter the unit change mode.
SHIFT
SHIFT
SHIFT
and
and
and
key to enter the measuring position display mode.
READ
STAT/S.E
S.PR/
keys in the ready state to enter the statistic display mode.
keys in the ready state to allow the statistical processing
PRINT
3 - 6
No. 99MBC095A
3.1.2.6 Measurement mode
This mode can be divided into the following operational states:
1) Measurement in the ready state
• This is the measurement mode that is entered immediately after the power is turned on
or if another measurement mode is aborted by pressing the
signal from the I/O interface or the “CL” command from the RS-232C/GP-IB interface).
• It is used to establish setups for calibration and available functions, which are not part
of the basic setup items, or to enter another measurement mode including single-run
measurement.
• Usually GO/NG judgment and analog output will not take place for measurement in the
ready state, however, these specifications can be made in the basic setup mode.
• Measurements in the ready state are unavailable for statistical processing.
2) Single-run measurement
• If the
the RS-232C/GP-IB interface) is pressed, one session of measurement is performed and
the results will be automatically subject to GO/NG judgment and analog output. In
addition, the measured data will be outputted for the RS-232C/GP-IB interface,
Digimatic Output Unit, and printer. The measured data will be held (latched for the
specified period) in the display.
• This data will be available for statistical processing.
DATA C/RUN
3. DISPLAYS AND KEY OPERATIONS
key (or by the RESET
C
key (otherwise input RUN via the I/O interface or “R” command via
3) Continuous-run measurement
• If the
key (otherwise input RUN+RESET via the I/O interface or “CR” command
C.RUN
via the RS-232C/GP-IB interface) is pressed, one session of measurement is started and
repeated the specified number of times. The measured data will be automatically subject
to GO/NG judgment and analog output. In addition, the measured data will be outputted
for the RS-232C/GP-IB interface, Digimatic Output Unit, and printer.
• Press the
DATA C/RUN
or
key (or if RUN is received from the I/O interface)
C.RUN
again to terminate the measurement and hold the measured data on the display. If the
key (or input RESET via the I/O interface or “CL” command via the RS-232C/GP-
C
IB interface) is pressed halfway, the measurement is aborted and the ready state is
returned to.
• The measurements are available for statistical processing.
4) Continuous measurement with a term specification
• This will take place where RUN input from the I/O interface has been assigned so as to
start a term-specified continuous-run measurement in the basic setup.
• Repeatedly performs single-run measurement while RUN signal input continues, which
is basically the same as the continuous-run measurement. Therefore, hereafter, continuous-run measurement includes the ones with a term specification.
• The measurements are available for statistical processing.
No. 99MBC095A
3 - 7
5) Zero-run measurement
• A measurement where the number of samples is set to “0” is called a “zero-run measurement”.
• If the
DATA C/RUN
key (otherwise input RUN via the I/O interface or the “R” command
via the RS-232C/GP-IB interface) is pressed, single-run measurement is started and
repeated until the
DATA C/RUN
key is pressed again (or RUN is inputted via the I/O
interface or the “STOP” command is inputted via the RS-232C/GP-IB interface). From
the measured data the calculation items (mean, maximum value, minimum value, and
range) that have been set for the sample measurement will be calculated and the
resulting data will be automatically subject to GO/NG judgment and analog output. In
addition, the measured data will be outputted for the RS-232C/GP-IB interface,
Digimatic Output Unit, and printer. The measured data will be held on the display.
• The measured data are available for statistical processing.
• This is suitable for run-out measurement and cylindricity measurement.
6) Sample measurement
• A measurement where the number of samples is set to “2~999” is called a “sample
measurement”.
• In practice this will take place as a single-run measurement or a continuous-run measurement (with a term specification).
From the measured data the calculation items (mean, maximum value, minimum value,
and range) that have been set for the sample measurement will be calculated and the
resulting data will be automatically subject to GO/NG judgment and analog output. In
addition, the measured data will be outputted for the RS-232C/GP-IB interface,
Digimatic Output Unit, and printer.
• The measured data are available for statistical processing.
• This is suitable for run-out measurement and cylindricity measurement.
7) Statistical processing
• Measured data from single-run and continuous-run measurements can be statistically
processed (i.e. the number of measurement times, standard deviation, maximum value,
minimum value, mean, and range are calculated).
These statistical processing results can be outputted for the display, printer (statistical
memory for all programs will be cleared after printout), and RS-232C/GP-IB interface.
• Press the
STAT/S.E
key (or input “ST” command via the RS-232C/GP-IB interface) to
start statistical processing, and press it again (or input the “NST” command via the RS232C/GP-IB interface) to terminate statistical processing.
• Performs single-run measurements or continuous-run measurements to store statistical
data after statistical processing has been started.
• Pressing the
SHIFT
→
DATA C/RUN
, and
keys in this order will cancel the last
ENT
measurement.
• Pressing the
The item displayed will change each time the key
SHIFT
and
STAT/S.E
keys will display the results of statistical processing.
is pressed.
ENT
The display item will change in this sequence: [N: Measurement number], [S.D:
Standard deviation], [MAX: Maximum value], [MIN: Minimum value], [AVG: Mean
value], and [R: Range (Max - Min)].
Statistical processing will be performed independently for each program.
• Press the
A.CL/M.CL
(case of a simultaneous measurement), and press the
key to clear the statistical memory of the foreground program
SHIFT
and
A.CL/M.CL
keys to
clear the statistical memory of all the programs.
• These statistical results data will be stored in memory while the power is on, and will
be lost when the power is turned off.
3 - 8
No. 99MBC095A
3. DISPLAYS AND KEY OPERATIONS
3.2Techniques and Terminology of Setup Functions
3.2.1Program
• A measurement will be automatically performed according to the registered (programmed)
contents including the segment (feature to be measured) and GO/NG judgment criteria,
etc., in advance. Registration is performed in the function setup mode.
• This unit can hold a maximum 100 programs, which may include various settings suitable
for up to hundred kinds of workpieces.
• Program numbers are divided into groups, each of which has up to ten programs and is
referred to as a channel (CH).
These two-digit program numbers define the meanings as shown in the table below.
Digit of ten
Program No.
Channel No.
Application
• As the expanded basic setup it is possible to select the range of applying calibration.
1. Applies uniformly to the entire 100 programs (factory default).
2. Applies individually to each channel (10 programs).
• With the expanded basic setup it is possible to select the range of applying presetting and
mastering.
1. Applies uniformly to the entire 100 programs (factory default).
2. Applies individually to each channel (10 programs).
3. Applies individually to each program.
• As the expanded basic setup it is possible to select either the “100 Program mode” or “10
program mode”, which limits the number of available programs to ten. (The factory
default setting is the 100 program mode.)
• As the basic setup it is possible to select either the “Single measurement mode” which
uses 100 programs (10 programs in the 10 program mode) as independent programs or the
“Simultaneous measurement mode” which uses two specific programs as a pair.
0 to 9
16
Digit of one
Individual No.
For each channel
0 to 9
No. 99MBC095A
NOTE • If the program must be switched to another with the RS-232C/GP-IB command, it
is necessary to use a separate command for the 100 program mode or 10 program mode.
For more information about the RS-232C/GP-IB command refer to Section 6.1.2.4
“RS-232C/GP-IB Commands”.
• In the 10 program mode the user can make use of the RS-232C/GP-IB commands
provided for Mitutoyo old models (LSM-6000, 6100) without further modification. It
is advised for the customers, who are operating Mitutoyo old models (LSM-6000,
6100) with the RS-232C communication commands, to use the 10 program mode.
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