Keyence EX-305V, EX-416V, EX-110V, EX-614V, EX-422V Instruction Manual

High-speed, High-Accuracy Digital Displacement Sensor EX-V Series Instruction Manual

96M1205

Instruction
Manual

High-speed, High-Accuracy
Digital Displacement Sensor

EX-V Series

Safety Precautions

This instruction manual describes the operation and function of the EX-V. Read this
manual carefully to ensure safe use and maximum performance from your EX-V.

Symbols

The following symbols alert you to important messages. Be sure to read these
messages carefully.

General precautions

WARNING

CAUTION

Note:

• At startup and during operation, be sure to monitor the functions and performance
of the EX-V.

• We recommend that you take substantial safety measures to avoid any damage in
the event a problem occurs.

• Do not open or modify the EX-V or use it in any way other than described in the
specifications.

• When the EX-V is used in combination with other instruments, functions and
performance may be degraded, depending on operating conditions and the
surrounding environment.

• Do not use the EX-V for the purpose of protecting the human body.

Failure to follow instructions may lead to injury. (electric
shock, burn, etc.)

Failure to follow instructions may lead to product damage.

Provides additional information on proper operation.

i

E EX-V-IM

E EX-V-IM

CAUTION

ii

Warning and cautions specific to the EX-V Series

Operating environment

For optimum performance of the EX-V, always maintain a proper operating envi­ronment.

To prevent malfunction, do not install the EX-V in the following places:

• Places directly exposed to sunlight.

• Places where the ambient temperature drops below 0

°

C or exceeds 50°C.

• Places where the relative humidity drops below 35% or exceeds 85%.

• Places where temperature fluctuations may cause condensation.

• Places where the EX-V may be exposed to corrosive or flammable gas.

• Places exposed to airborne dust or corrosive substances such as salt or
metal particles.

• Places where the EX-V may be subjected to vibration or impact.

• Places where water, oil or chemicals may splash the EX-V .

• Places where the EX-V may be affected by noise interference.

Connecting the EX-V to analog input equipment

Take the following countermeasures to prevent the EX-V from malfunctioning due
to noise interference.

Note 1: Use a 1-core shielded cable for the output line. When using an analog
voltage signal, do not use a cable longer than 10 m. If the cable needs to be
longer than 10 m, convert the voltage signal into a current signal.

Note 2: Keep the wiring and connection cables separate.
Note 3: Isolate the wiring and connection cables from high-voltage or power lines;

otherwise noise may cause the EX-V to malfunction.

Various types of
display equipment

Analog
voltage
output

1-core shielded cable

0V

EX-V

0 V

Input

96M1205

MEMO

iii

E EX-V-IM

How this manual is organized

Chapter 1 Preparation

Describes the package contents, and explains the mounting and adjusting proce­dures of the controller and sensor head.

Chapter 2 Quick Guide to Basic Mode Operation

Explains the kinds of the measurement modes and the selection procedure.
Selecting the mode best suited to your detection purpose allows you to quickly
operate the sensor by easy setting.

Chapter 3 Use of Common Functions

Explains the functions common to the respective modes and the setting
procedure.

Chapter 4 Use of Data Processing Functions

Explains the setting and operation procedures of the respective functions.

Chapter 5 Troubleshooting

Explains the error messages displayed when an error has occurred, and
countermeasures to be taken.

Chapter 6 Specifications and Dimensions

Read as necessary.

Index

Read as necessary.

Warranties

E EX-V-IM

iv

E EX-V-IM

Contents

Chapter 1 Preparation

1.1 Checking the Package Contents .......................................................... 2

1.2 Part Names and Functions .................................................................... 3

1.3 Terminal Names and Connections .......................................................4

1.4 Input/output Circuits .............................................................................. 5

1.5 Mounting ................................................................................................. 6

1.5.1 Mounting and dismounting the controller .................................................. 6

1.5.2 Mounting the sensor head ........................................................................ 7

1.6 Adjustment ............................................................................................. 9

1.6.1 Connection ................................................................................................9

1.6.2 Adjusting the output characteristics .......................................................... 9

Chapter 2 Quick Guide to Basic Mode Operation

2.1 Measurement Modes ........................................................................... 12

2.1.1 Bottom-dead-center mode ...................................................................... 12

2.1.2 Eccentricity/vibration mode ..................................................................... 12

2.1.3 Thickness/gap mode ...............................................................................13

2.1.4 Manual mode .......................................................................................... 13

2.2 Quick Guide to Basic Mode Operation .............................................. 14

2.2.1 Setting the bottom-dead-center mode .................................................... 14

2.2.2 Setting the eccentricity/vibration mode ................................................... 18

2.2.3 Setting the thickness/gap mode ..............................................................21

2.3 Auto-Zero Function .............................................................................. 24

2.4 Tolerance Limit Value Setting ............................................................. 25

2.5 Checking the Tolerance Limit Values

(Calling the tolerance limit values) ..................................................... 27

Chapter 3 Use of Common Functions

3.1 Table of Functions and Function Numbers ....................................... 30

3.2 Function Setting Flow ......................................................................... 31

3.2.1 Selecting the function using the

key .................................................. 31

3.2.2 Display scaling function [E] ..................................................................... 33

3.2.3 Monitor (analog voltage) output setting function [F] ................................ 36

3.2.4 Digits function/decimal point function [g] ................................................. 39

3.2.5 Offset function [x] ....................................................................................40

3.2.6 Output form selection function [I] ........................................................... 42

3.2.7 Panel-lock function [j] ............................................................................. 43

v

Chapter 4 Use of Data Processing Functions

4.1 Table of Data Processing Functions .................................................. 46

4.2 Details of Bottom-dead-center Mode ................................................. 47

4.2.1 No. of averaging measurements/Digital filter [A] ..................................... 47

4.2.2 Measurement type [b] ............................................................................. 49

4.2.3 Measurement period [[] .......................................................................... 53

4.2.4 Previous value comparison function [d] .................................................. 56

4.3 Details of Eccentricity/vibration Mode .............................................. 57

4.3.1 No. of averaging measurements/Digital filter [A] ..................................... 57

4.3.2 Measurement type [b] ............................................................................. 57

4.3.3 Measurement period [[] .......................................................................... 61

4.4 Details of Thickness/gap Mode ......................................................... 64

4.4.1 No. of averaging measurements/Digital filter [A] ..................................... 64

4.4.2 Measurement type [b] ............................................................................. 64

4.4.3 Measurement period [[] .......................................................................... 69

4.4.4 Inverse/normal display function [d] ......................................................... 73

4.5 Details of Manual Mode .......................................................................74

4.5.1 No. of averaging measurements/Digital filter [A] ..................................... 74

4.5.2 Measurement type [b] ............................................................................. 74

4.5.3 Measurement period [[] .......................................................................... 84

4.5.4 Previous value comparison function [d] .................................................. 84

4.6 Hysteresis Setting ................................................................................ 85

4.7 Initialization .......................................................................................... 86

Chapter 5 Troubleshooting

5.1 Error Messages ....................................................................................88

5.2 Troubleshooting List ........................................................................... 89

Chapter 6 Specifications and Dimensions

6.1 Specifications ....................................................................................... 92

6.2 Characteristics Charts ......................................................................... 93

6.3 Minimum Input Time and Output Response Time ............................ 96

6.4 Dimensions ........................................................................................... 98

Index

Index .............................................................................................................. 101

Warranties

WARRANTIES AND DISCLAIMERS ............................................................ 109

E EX-V-IM

vi

Quick Index by Function/Operation

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This index helps you quickly find proper EX-V function/operation according to your
purpose.
Select action or operation you need to find the proper page and description.

Display/Setup

vii

E EX-V-IM

Measurement

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Installation

E EX-V-IM

viii

MEMO

ix

E EX-V-IM

Chapter 1

Preparation

Describes the package contents, and explains the mounting and adjusting
procedures of the controller and sensor head.

1.1 Checking the Package Contents ......................................... 2

1.2 Part Names and Functions .................................................. 3

1.3 Terminal Names and Connections ......................................4

1.4 Input/output Circuits ............................................................ 5

1.5 Mounting ................................................................................ 6

1.5.1 Mounting and dismounting the controller ................................. 6

1.5.2 Mounting the sensor head ....................................................... 7

1.6 Adjustment ............................................................................ 9

1.6.1 Connection............................................................................... 9

1.6.2 Adjusting the output characteristics ......................................... 9

E EX-V-IM

Chapter 1 Preparation

Instruction
Manual

High-speed, High-Accuracy
Digital Displacement Sensor

EX-V Series

1.1 Checking the Package Contents

The EX-V series package includes the following parts and equipment. Check that
all the parts and equipment are included in the package.

1

• Instruction manual: 1 • Controller: 1

• Sensor head: • Panel mounting frame: 1
Ordered one of the following

EX-305V

EX-110V

EX-416V

EX-422V

EX-614V

2

E EX-V-IM

1.2 Part Names and Functions

SET

CALL

HIGH TIM

GO

LOW

POWER

FUNC

UTILITY

MODE

CALIB

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This section explains the part names and functions.

■ Controller

Chapter 1 Preparation

Display

Displays the measured value. The value is
displayed in green when the measured value is
within the tolerance range. The value is displayed
in red when the measured value is out of the
tolerance range.

Comparator output indicators

Illuminates when the comparator output
(HIGH, GO, LOW) is turned on.
Indicates the type of displayed tolerance limit
value when setting or calling the tolerance
limit value.

POWER indicator

Illuminates green:
When operation is normally performed
Illuminates red:
When the control output is reset to OFF

■ Displays and functions

1

TIMING input
indicator

Illuminates
when a timing
signal is input.

Operation
keys

■ Operation keys

E EX-V-IM

FUNC

CALL

CALIB

UTILITY

MODE

3

Chapter 1 Preparation

No. Terminal name Function

1, 2 Power supply

24 VDC ±10%

3

Comparator output
disable input
OUTPUT DISABLE

Resets the comparator output to OFF when this terminal is
short-circuited to the grounding terminal.

4

Auto-zero input
ZERO

Resets the value on the display to "0000" (offset value
when the offset function is selected) when this terminal is
short-circuited to the grounding terminal.

5

Hold-reset input
HOLD RESET

When this terminal is short-circuited to the grounding
terminal: 1. Cancels the hold state of the open collector
output. 2. Resets each hold mode data.

6

Timing input
TIMING

Inputs a timing signal when this terminal is short-circuited
to the grounding terminal.

7

Grounding
GND1

8

LOW output
LOW

Outputs when the displayed value is lower than the LOW
limit value.

9

GO output
GO

Outputs when the displayed value is within the tolerance
range.

10

HIGH output
HIGH

Outputs when the displayed value is higher than the HIGH
limit value.

11, 12

Sensor head
connection

Connects the sensor head.

13, 14

Monitor output
MONITOR

Outputs ±5 V in proportion to the displayed value.

15

Synchronous input
SYNC

Stops sensor head oscillation and holds the output when
this terminal is short-circuited to the grounding terminal.

16, 17

External setting
input
EXT1,2

Calls the preset four kinds of tolerance limit values. This
input is enabled when the panel-lock function is set to ON.

18

Grounding
GND2

19

Strobe output
STROBE

Turns ON during the sampling period. This terminal is
enabled only when the internal trigger function is used.
(N.O.)

20

Alarm output
ALARM

Outputs when the sensor head has open circuit. (N.C.)

CAUTION

No. Terminal name Function

1, 2 Power supply

24 VDC ±10%

3, 4

External setting
input
EXT1/2

Calls the preset four kinds of tolerance limit values. This
input is enabled when the panel-lock function is set to ON.

5

Synchronous input
SYNC

Stops sensor head oscillation and holds the output when
the specified voltage is applied to this terminal.

6

Comparator output
disable input
OUTPUT DISABLE

Resets the comparator output to OFF when the specified
voltage is applied to this terminal.

7

Common
COM

A common terminal for input.

8

Auto-zero input
ZERO

Resets the value on the display to “ 0000” (offset value
when the offset function is selected) when the specified
voltage is applied to this terminal.

9

Hold-reset input
HOLD RESET

When the specified voltage is applied to this terminal:

1. Cancels the hold state of the open collector output.

2. Resets each hold mode data.

10

Timing input
TIMING

Inputs a timing signal when the specified voltage is
applied to this terminal.

11, 12

Sensor head
connection

Connects the sensor head.

13, 14

Monitor output
MONITOR

Outputs ±5 V in proportion to the displayed value.

15

Strobe output
STROBE

Turns ON during the sampling period. This terminal is
enabled only when the internal trigger function is used.
(N.O.)

16

Alarm output
ALARM

Outputs when the sensor head has open circuit. (N.C.)

17

LOW output
LOW

Outputs when the displayed value is lower than the LOW
limit value.

18

GO output
GO

Outputs when the displayed value is within the tolerance
range.

19

HIGH output
HIGH

Outputs when the displayed value is higher than the HIGH
limit value.

20

Plus common
V1

Applies the voltage that is supplied to the output, between
V1 = DC-. +30 V or less.

10

11

12

13

14

15

16

17

18

19

20

1

2

3

4

5

6

7

8

9

HIGH

GO

LOW

GND1

TIMING

HOLD RESET

ZERO

OUTPUT DISABLE

ALARM

STROBE

GND2

EXT1

EXT2

SYNC

MONITOR

0V

24V DC

Sensor head

EX-V NPN type

10

11

12

13

14

15

16

17

18

19

20

1

2

3

4

5

6

7

8

9

TIMING

HOLD RESET

ZERO

COM

OUTPUT DISABLE

SYNC

EXT1

EXT2

V1

HIGH

GO

LOW

ALARM

STROBE

MONITOR

0V

24V DC

Sensor head

EX-V P PNP type

1.3 Terminal Names and Connections

This section explains the terminal names and functions.

1

4

Since the power GND, GND1 and GND2 are connected through choke coils,
make sure so that no potential difference develops.

E EX-V-IM

1.4 Input/output Circuits

■ Input circuit

TIMING, HOLD RESET

HIGH, GO, LOW, STROBE, ALARM

■ MONITOR output

■ Output circuit

IN

GND

+ 24V

3k Ω

470 Ω

ZERO, EXT1 • 2,
OUTPUT DISABLE, SYNC

IN

GND

+ 24V

10kΩ

3k Ω

Output

0V

0V

100

Ω

NPN output

6. 8 Ω

GND

Overcurrent
protection circuit

0

1

2

3

OFF

ON

OFF

ON

OFF

OFF

ON

ON

Tolerance limit
value No.

EXT1

EXT2

Terminal name

EX-V

NPN type

NPN open-collector, 40 V, 100 mA max.

IN

COM

3k Ω

470K Ω

■ Input circuit

TIMING, HOLD RESET

EX-V

P PNP type

Common between NPN type and PNP type

■ Output circuit

ZERO, EXT1 • 2, OUTPUT DISABLE,
SYNC

IN

COM

8.2kΩ

3K Ω

HIGH, GO, LOW, STROBE, ALARM

V1

PNP output

PNP open-collector, 30 V, 100 mA max.

ON voltage:
10 V or more
ON current:
3 mA or more
OFF voltage:
5 V or less
OFF current:

1.5 mA or less

ON voltage:
10 V or more
ON current:

1.5 mA or more
OFF voltage:
3 V or less
OFF current:

0.1 mA or less

■ Setting the external setting input terminal EXT1/2

For the NPN type, the state where the EXT terminal and the
GND terminal is short-circuited is ON, and for the PNP type,
the state where the voltage is applied between the EXT
terminal and the COM terminal is ON.

Chapter 1 Preparation

1

E EX-V-IM

5

Chapter 1 Preparation

Push the controller forward.

1

2

1. Insert the controller.

2. Fix the controller using the
panel mounting frame.

Panel

Panel mounting frame

1.5 Mounting

This section explains the mounting procedure for the controller and sensor head
and the wiring connections.

1.5.1 Mounting and dismounting the controller

1

Mounting

Insert the controller from the front of the panel and fix it using the panel mounting
frame.

Dismounting

While raising the catches at sections 1 and 2 with a flat blade screwdriver, push the
controller forward from the back.

6

E EX-V-IM

1.5.2 Mounting the sensor head

5 mm min.

M3 set screw

EX-305V

8 mm min.

EX-110V

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V503-XE019

V011-XE219

V614-XE5301

V224-XE5502

V416-XE23x615

Mounting

• Tighten the EX-305V set screw and EX-110V nut away from the tip of the
sensor head as shown in the figure.

• Referring to the measuring distance in the table below, determine the distance
between the tip of the sensor head and target.

Chapter 1 Preparation

1

Flush-mounting

Note: After making the adjustment, do not change the position of the nut or screw.

If the position is changed, the output characteristics may change even when the
nut or screw is positioned in the range shown in the figure.

To flush-mount the sensor head in a metal base, follow the guidelines given in the
table below.

* The table above shows the dimensions to use when the metal base is iron.
* The table above shows the dimensions to satisfy the specifications when the

sensor head is flush-mounted after the output characteristics have been
adjusted with no metal present around the head.

E EX-V-IM

7

Chapter 1 Preparation

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CAUTION

When mounting two or more sensor heads of the same model in parallel

• The sensor may not output the correct voltage due to mutual interference. Make
sure that the distance between sensor heads adjacent to each other is larger
than the values shown in the table below. (This allows the display resolution
specification to be satisfied when the number of measurements to average is
"64".)

1

• When two sensor heads are mounted in parallel, mutual interference can be
prevented by alternately oscillating the sensor heads using the synchronous
input terminal (

➮

page 4

).

Tightening torque

To tighten the EX-305V set screw, apply a torque of 0.2 N•m or less.
To tighten the nut of the other sensor heads, apply a torque shown in the table
below or less.

Parallel mounting

• If the applied tightening torque exceeds the specified one, the sensor
head may be deformed or malfunction.

• If the sensor cable is installed in the same conduit as high voltage lines or
power lines, the sensor may malfunction. Be sure to keep the wiring
separate.

Note: Do not change the sensor cable length (3 m). If the cable is extended or cut,

the characteristics will change.

8

E EX-V-IM

1.6 Adjustment

10

11

12

13

14

15

16

17

18

19

20

1

2

3

4

5

6

7

8

9

–

+

24V DC

Sensor head

Terminal block

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

1.6.1 Connection

Chapter 1 Preparation

Though the EX-V series has been factory-adjusted, follow the procedure described
below to adjust the sensor using your actual target in order to satisfy the
specifications. When the sensor head has been replaced, be sure to make this
adjustment.

1

1. Connect the core and shielding wires of the sensor head to sensor head
connection terminals 11 and 12 of the controller.

2. After making the connection,
connect the power supply cable to
power supply terminals 1 and 2.

The POWER indicator on the
controller illuminates, and the
sensor enters the operation state.

Note: Let the sensor warm up for 30 minutes or more after supplying power to it,
and then start the adjustment.

1.6.2 Adjusting the output characteristics

1. Press the key for at least 2 seconds.

E EX-V-IM

2. With no metal object present around the sensor head, press the

Note 1: Do not touch the metal area of the sensor head with your hand.

Note 2: Make sure that no metal object is present within a radius of 15 centimeters

around the sensor head.

The sensor displays "0" and enters the adjustment mode.

key.

The sensor displays "1" and moves to the next setting step.

9

Chapter 1 Preparation

SET

CALL

SET

CALL

SET

CALL

3. Bring the sensor head in contact with the target.

1

4. Press the

key.

The sensor displays "2" and moves to the next setting step.

5. Move the sensor head.

Move the sensor head so that the distance between the sensor head and target
is the full scale of the measuring distance (maximum distance) of the sensor
head.

Full scale

6. Press the

key.

The sensor displays "3" and moves to the next setting step.

7. Move the sensor head.

Move the sensor head so that the distance between the sensor head and target
is half the measuring distance (half scale).

Half scale

8. Press the

key.

The sensor displays "End".

9. Press the

key to complete the adjustment.

The sensor starts measurement.

Reference: To stop the adjustment, press the key. Then, the sensor starts
measurement without making the adjustment.

Note: If the distance between the sensor head and target is improperly adjusted
during the adjustment, "Err 6" is displayed. Press the

key to cancel the error,

and then readjust the distance.

10

E EX-V-IM

Chapter 2

Quick Guide to Basic Mode Operation

Explains the kinds of the measurement modes and the selection procedure.
Selecting the mode best suited to your detection purpose allows you to quickly
operate the sensor by easy setting.

2.1 Measurement Modes ........................................................... 12

2.1.1 Bottom-dead-center mode .....................................................12

2.1.2 Eccentricity/vibration mode .................................................... 12

2.1.3 Thickness/gap mode.............................................................. 13

2.1.4 Manual mode ......................................................................... 13

2.2 Quick Guide to Basic Mode Operation .............................. 14

2.2.1 Setting the bottom-dead-center mode ................................... 14

2.2.2 Setting the eccentricity/vibration mode ..................................18

2.2.3 Setting the thickness/gap mode.............................................21

2.3 Auto-Zero Function ............................................................. 24

2.4 Tolerance Limit Value Setting ............................................ 25

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2.5 Checking the Tolerance Limit Values

(Calling the tolerance limit values) .................................... 27

Chapter 2 Quick Guide to Basic Mode Operation

NG

OK

Displacement

Time

2.1 Measurement Modes

The EX-V series provides the following four measurement modes: "Bottom-dead­center mode", "Eccentricity/vibration mode", "Thickness/gap mode" (which are
basic modes for quick operation), and "Manual mode" (which allows users to
perform setting as desired). This section explains the major functions of each
mode.

2.1.1 Bottom-dead-center mode

2

This mode is used to measure the displacement of the origin position of a machine
with stroke movements such as a press. When the displacement of the bottom
dead center or origin position is out of the preset tolerance range, the sensor
outputs an Alarm signal.

Major applications

• Detecting the bottom dead center position of a press

• Detecting the bottom dead center position of a press-fit machine

• Detecting the bottom dead center position of a welding machine

• Pressure control for a injection molding machine

• Measuring the depth of the recess on a piston head

2.1.2 Eccentricity/vibration mode

This mode is used to measure the roller eccentricity or abnormal machine vibration.
When the amplitude of the runout or vibration is larger than the preset tolerance
limit value, the sensor outputs an Alarm signal.

Bottom dead
center

Displayed value

Displacement

Time

12

Major applications

• Measuring roller eccentricity

• Measuring surface plate runout

• Detecting runout due to improper chucking

• Measuring drill bit eccentricity

E EX-V-IM

2.1.3 Thickness/gap mode

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28

This mode is used to measure target thickness or gap with a direct reading value.
When the thickness or gap is larger or smaller than the preset upper or lower value
for the tolerance limit, the sensor outputs an Alarm signal.

Major applications

• Measuring hoop material thickness

• Checking grindstone abrasion

• Thickness control during polishing ceramic components

2.1.4 Manual mode

Chapter 2 Quick Guide to Basic Mode Operation

Displayed value

2

Displacement

Time

In addition to the modes above, the manual mode is available. The manual mode
provides the following six data processing modes to allow adaptable measurement.
For details, see pages that describe each data processing mode.

E EX-V-IM

13

Chapter 2 Quick Guide to Basic Mode Operation

2.2 Quick Guide to Basic Mode Operation

This section describes the major measurement modes and an easy setting
method.

2.2.1 Setting the bottom-dead-center mode

The following example explains how to mount the EX-V series to a press.

The basic operation is the same when mounting the EX-V series to other devices.
Be sure to adjust the output characteristics before performing the following proce-

2

dure. (➮

1. Secure the sensor head to the lower die of the press.

Refer to page 9

• Referring to the figure below, prepare the sensor head mounting jig and a
target.

• Refer to pages 7 and 8 for the position of the sensor head nut and the tightening torque.

.)

Target

Sensor head

Note: Be sure to use an IRON target with sufficient area for detection. (➮

Reference: When the comparator output is already connected to the emergency

stop or another input for the facility, short-circuit the OUTPUT DISABLE input
(terminal 3) and grounding terminal (terminal 7) to disable the comparator output
before making the adjustment.
* After making the adjustment, be sure to disconnect these terminals to enable the

comparator output.

2. Adjust the distance between the sensor head and target.

Move the press an inch at a time and lower the stripper (or upper die) to the
bottom dead center position. (Refer to the figure below.)

Half the measuring range
of the sensor to be used.

Stripper or upper die

Lower die

Die set

p.95

)

14

Adjust the distance between the sensor head and target so that the distance
between them is about half the measuring distance when the stripper is in the
bottom dead center position. The controller’s display shows a value close to the
half scale.

In the case of the EX-305V,
the value is close to “0.5”.

E EX-V-IM

Chapter 2 Quick Guide to Basic Mode Operation

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

HIGH TIM

GO

LOW

key

HIGH TIM

GO

LOW

* The distance between the sensor head and target should be more than the full scale when the

stripper is in the top dead center position.

Sensor model

EX-305V 1 0.5

EX-110V 2 1

EX-416V 5 2.5

EX-422V 10 5

EX-614V 4 2

Measuring distance Half scale

(mm) (Full scale) (mm)

3. Press the key for at least 2 seconds.

The sensor enters the mode setting state and displays the mode number.

Mode No

4. Press the

• Pressing the

Mode No. Measurement mode

key to display “1” which indicates the “bottom-dead-center” mode.

key changes the mode number sequentially.

0 Manual

1 Bottom-dead-cente

2 Eccentricity/vibration

3 Thickness/gap

2

5. Press the key to save the measurement mode setting.

Note: Changing the measurement mode initializes all preset values except for the
tolerance limit values.

6. Activate the machine and check the bottom dead center position during normal

Reference: To compensate for the slight variation in the bottom dead center

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position at press startup or the influence of temperature fluctuation, refer to “Previ­ous value comparison function [d]” on page 56.

• The measurement mode is factory-set to manual.

➮

For the initial setting of each measurement mode, refer to “4.1 Table of Data Processing
Functions” on page 46.

The sensor returns to the measurement state.

operation. Press the [ZERO] key to set this position as the reference point.

When the [ZERO] key is pressed, “0000” appears on the measured value
display.

Stripper or upper die

Lower die

Die set

Normal bottom
dead center

15

Chapter 2 Quick Guide to Basic Mode Operation

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

key

HIGH TIM

GO

LOW

7. Set the upper value for the tolerance limit.

For a press, set the threshold value to the amount of the rise of the bottom dead
center due to swarf.

2

1) Press the

Stripper or upper die

Upper limit value

Lower die

Die set

key.

• The sensor enters the tolerance limit setting mode.

• The setting number is displayed.

Mode No

Note: Press the key for a short time. When the key is pressed for 2 seconds or
longer, the sensor enters the function setting mode and displays “Ab[d”. If you
accidentally put the sensor into the function setting mode, press the

key again

to return to the measurement state.

2) Press the

• Pressing the

•“x” indicates the hysteresis setting. (➮

key to display the desired setting number.

key changes the setting number sequentially.

Refer to page 85.

)

Reference: Four kinds of tolerance limit values (“0” to “3”) can be saved in the
memory. The registered setting numbers can be switched using external signals.
(➮

Refer to page 4.

3) Press the

)

key.

• The sensor automatically enters the HIGH limit value setting mode.

• The setting value is displayed in red and the HIGH indicator illuminates.

16

E EX-V-IM

Chapter 2 Quick Guide to Basic Mode Operation

HIGH TIM

GO

LOW

HIGH TIM

GO

LOW

HIGH TIM

GO

LOW

4) Press the or key to display the desired value.

• Pressing the

key changes the flashing digit to the right.

• Pressing the

key changes the value.

• All digits flash when the fifth digit and sign can be changed.

No setting

(5th digit)

(1st to 4th digits)

Example

When setting the tolerance to +20 µm, specify “0020”.

5) Press the

key.

The HIGH limit setting value is saved. The sensor automatically enters the
LOW limit value setting mode.

8. Set the lower value for the tolerance limit and press the

key.

• For a press, set the threshold value to the amount of the lowering of the
bottom dead center due to the absence of a target.

• Set the LOW limit value using the same procedure as in steps 7 3) and 4),
and press the

key to save the value.

2

Note 1: The output is disabled during the tolerance limit value setting. When the
output is already on, however, the output is retained.

Note 2: Pressing the
Hysteresis] is smaller than [LOW setting value + Hysteresis]. In this case, “Err1” is

displayed. Press the
values.

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Stripper or upper die

Lower die

Die set

key does not save the changes if [HIGH setting value –

key again to cancel the error, and then specify the correct

17

Chapter 2 Quick Guide to Basic Mode Operation

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

HIGH TIM

GO

LOW

key

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2.2.2 Setting the eccentricity/vibration mode

The following example explains the procedure for roller eccentricity mea­surement.

The basic operation is the same when mounting the EX-V series to other devices.
Be sure to adjust the output characteristics before performing the following
procedure (

➮

page 9

1. Mount the sensor head to the machine.

➮

For the sensor head mounting procedure, read "Mounting the sensor head" (pages 7 and 8).

2

).

Note: Be sure to use an IRON target with sufficient area for detection. (

➮

page 95

Reference: When the comparator output is already connected to the emergency
stop or another input for the facility, short-circuit the OUTPUT DISABLE input
(terminal 3) and grounding terminal (terminal 7) to disable the comparator output
before making the adjustment.

* After making the adjustment, be sure to disconnect these terminals to enable

the comparator output.

2. Press the

key for at least 2 seconds.

The sensor enters the mode setting state and displays the mode number.

Mode No.

3. Press the

key to display "2" which indicates the "eccentricity/vibration"

mode.

)

18

• Pressing the

key changes the setting number sequentially.

E EX-V-IM

Chapter 2 Quick Guide to Basic Mode Operation

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

key

• The measurement mode has been factory-set to manual.

➮

For the initial setting of the functions for each measurement mode, refer to "4.1 Table of Data
Processing Functions" (page 46).

4. Press the key to save the measurement mode setting.

The sensor returns to the measurement state.

Note: Changing the measurement mode initializes all preset values except for the
tolerance limit values.

5. Activate the machine and check the runout value during normal operation.

The value displayed in this step is the runout per cycle.

6. Set the upper value for the tolerance limit.

Calculate the upper limit value by adding the upper limit value of the required
tolerance to the value displayed during normal operation, and set the value as
the HIGH limit value.

Example

When the runout value during normal operation is "10 µm" and the tolerance is
"+30 µm", set the HIGH limit value to "0.040". When the runout value exceeds "40
µm", the comparator output is turned on.

1) Press the

key.

• The sensor enters the tolerance limit setting mode.

• The setting number is displayed.

Setting No.

2

Note: Press the key for a short time. When the key is pressed for 2 seconds or
longer, the sensor enters the function setting mode and displays "Ab(d". If you
accidentally put the sensor into the function setting mode, press the
to return to the measurement state.

E EX-V-IM

2) Press the

• Pressing the

key to display the desired setting number.

key changes the setting number sequentially.

• "x" indicates the hysteresis setting (

➮

page 85

key again

).

19

Chapter 2 Quick Guide to Basic Mode Operation

HIGH TIM

GO

LOW

HIGH TIM

GO

LOW

HIGH TIM

GO

LOW

Reference: Four kinds of tolerance limit values ("0" to "3") can be saved in the
memory. The registered setting numbers can be switched using external signals
(

➮

page 4

).

2

3) Press the

key.

• The sensor automatically enters the HIGH limit value setting mode.

• The setting value is displayed in red and the HIGH indicator illuminates.

4) Press the

• Pressing the

• Pressing the

or key to display the desired value.

key changes the flashing digit to the right.

key changes the value.

• All digits flash when the fifth digit and sign can be changed.

No setting

(1st to 4th digits)(5th digit)

5) Press the key.

The HIGH limit setting value is saved. The sensor automatically enters the
LOW limit value setting mode.

6) Press the

key again.

7. Activate the machine to check whether the comparator output correctly works
according to the tolerance limit setting values.

• The GO comparator output indicator on the controller illuminates when the

measured value is within the tolerance range. The HIGH indicator illuminates
when the measured value is higher than the upper limit value. The LOW
indicator illuminates when the measured value is lower than the lower limit
value.

• To perform fine adjustment of the tolerance limit values, repeat steps 5) and

6) described above.

20

E EX-V-IM

2.2.3 Setting the thickness/gap mode

SET

CALL

GO

LOW

FUNC

UTILITY

MODE

CALIB

key

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0launaM

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2noitarbiv/yticirtneccE

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The following example explains the procedure for sheet material thickness
measurement.

The basic operation is the same when mounting the EX-V series to other devices.
Be sure to adjust the output characteristics before performing the following
procedure (

1. Mount the sensor head to the machine.

➮

➮

page 9

For the sensor head mounting procedure, read "Mounting the sensor head" (pages 7 and 8).

).

Chapter 2 Quick Guide to Basic Mode Operation

2

Note: Be sure to use an IRON target with sufficient area for detection. (

➮

page 95

Reference: When the comparator output is already connected to the emergency
stop or another input for the facility, short-circuit the OUTPUT DISABLE input
(terminal 3) and grounding terminal (terminal 7) to disable the comparator output
before making the adjustment.

* After making the adjustment, be sure to disconnect these terminals to enable

the comparator output.

2. Press the

key for at least 2 seconds.

The sensor enters the mode setting state and displays the mode number.

Mode No.

3. Press the

• Pressing the

key to display "3" which indicates the "thickness/gap" mode.

key changes the setting number sequentially.

)

E EX-V-IM

• The measurement mode has been factory-set to manual.

➮

For the initial setting of the functions for each measurement mode, refer to "4.1 Table of Data
Processing Functions" (page 40).

21

Chapter 2 Quick Guide to Basic Mode Operation

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

key

HIGH TIM

GO

LOW

4. Press the key to save the measurement mode setting.

The sensor returns to the measurement state.

Note: Changing the measurement mode initializes all preset values except for the
tolerance limit values. If you accidentally put the sensor into the function setting
mode, press the key again to return to the measurement mode.

5. Set the upper value for the tolerance limit.

• Place the reference target in the correct measuring position and check the

2

• Calculate the upper limit value by adding the upper limit value of the required

Example

When the normal thickness measurement is "1 mm" and the tolerance is "±0.1
mm", set the HIGH limit value to "1.100" and the LOW limit value to "0.900".

normal thickness measurement.

tolerance to the normal thickness measurement, and set the value as the
HIGH limit value.

1) Press the

key.

• The sensor enters the tolerance limit setting mode.

• The setting number is displayed.

Setting No.

Note: Press the key for a short time. When the key is pressed for 2 seconds or
longer, the sensor enters the function setting mode and displays "Ab(d". If you
accidentally put the sensor into the function setting mode, press the

key again

to return to the measurement state.

2) Press the

• Pressing the

• "x" indicates the hysteresis setting (

key to display the desired setting number.

key changes the setting number sequentially.

➮

page 85

).

Reference: Four kinds of tolerance limit values ("0" to "3") can be saved in the
memory. The registered setting numbers can be switched using external signals (

page 4

22

).

3) Press the

key.

• The sensor automatically enters the HIGH limit value setting mode.

• The setting value is displayed in red and the HIGH indicator illuminates.

➮

E EX-V-IM

Chapter 2 Quick Guide to Basic Mode Operation

HIGH TIM

GO

LOW

HIGH TIM

GO

LOW

4) Press the or key to display the desired value.

• Pressing the

• Pressing the

key changes the flashing digit to the right.

key changes the value.

• All digits flash when the fifth digit and sign can be changed.

No setting

(1st to 4th digits)

5) Press the

(5th digit)

key.

The HIGH limit setting value is saved. The sensor automatically enters the
LOW limit value setting mode.

6. Set the lower value for the tolerance limit.

• Set the lower limit value.

• Use procedures 3) and 4) in step 5 to set the LOW limit value. Then, press

the

key to save the value.

2

Note 1: The output is disabled during the tolerance limit value setting. When the
output is already on, however, the output is retained.

Note 2: Pressing the

key does not save the changes if [HIGH setting value -

Hysteresis] is smaller than [LOW setting value + Hysteresis]. In this case, "Err1" is
displayed. Press the

key again to cancel the error, and then specify the correct

value.

Reference: When the thickness/gap mode is selected, in the initial setting state the
measured value becomes larger as the distance between the sensor head and
target is shorter. When you want to make the measured value smaller as the
distance is shorter, set function "d" (inverse/normal display function) to normal.
For details, see page 73.

Direction in which the
measured value increase

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23

Chapter 2 Quick Guide to Basic Mode Operation

2

24

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2.3 Auto-Zero Function

The displayed value can be instantaneously reset to "0000" by pressing the
[ZERO] key or input through the AUTO-ZERO input terminal. The increase or
decrease in the value measured after activating the auto-zero function can be
displayed using "±" (plus or minus). This function simplifies zero-point adjustment
at product type changeovers.

Using the front panel key

• Press the [ZERO] key to reset the displayed value to "0000".

• The value displayed just as the key is released is reset to "0000".

Using the AUTO-ZERO input terminal

Short-circuit the ZERO 4 and GND 7 terminals to activate the auto-zero function.

Canceling the auto-zero function (Restoring the value reset using the auto-zero function)

Press the [ZERO] key for 3 seconds to cancel the auto-zero function.

Note 1: When an offset value is set, the offset value is displayed when the auto­zero function is activated. For details, see "Offset function [x]" (

➮

pages 40 and 41

).

Note 2: When using the internal trigger function (

➮

page 46

), adjust the trigger
level after activating the auto-zero function. (The internal trigger function works with
regard to the value displayed after the auto-zero function is activated.)

If frequently activating the auto-zero function using the external input
terminal, set the panel-lock function to ON to protect the memory. Then, the
displayed value will not be stored in the internal memory.
For details of the panel-lock function, see "Panel-lock function [J]"
(➮ page 43).

SET

CALL

HIGH TIM

GO

LOW

4

5

67

GND

TIMING

RESET

ZERO

4

5

67

GND

TIMING

RESET

ZERO

or

CAUTION

2.4 Tolerance Limit Value Setting

ON
OFF

ON
OFF

ON
OFF

(v)

(t)

*

*

HIGH OUT

GO OUT

LOW OUT

HIGH limit value

LOW limit value

Displayed value

When a signal is output, the comparator output indicator on the
controller’s front panel illuminates.
* With the factory setting, a hysteresis of 5 digits is applied
when the output changes from LOW to GO or HIGH to GO.

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

key

You can set the allowable range for the tolerance limit value. After the comparator
of measured values, signals are output at three levels: when the measured value
exceeds the upper limit (HIGH), when it is below the lower limit (LOW), and when it
is within the allowable range (GO). The measured value is displayed in green for
the GO output and in red for the HIGH and LOW outputs.

Operation diagram

Chapter 2 Quick Guide to Basic Mode Operation

2

Setting the tolerance limit values

1. Press the key.

E EX-V-IM

2. Press the

• The sensor enters the tolerance limit setting mode.

• The setting number is displayed.

Setting No.

key to display the desired setting number.

Pressing the

key changes the setting number sequentially.

25

Chapter 2 Quick Guide to Basic Mode Operation

HIGH TIM

GO

LOW

HIGH TIM

GO

LOW

HIGH TIM

GO

LOW

3. Press the key.

• The sensor automatically enters the HIGH limit value setting mode.

• The setting value is displayed in red and the HIGH indicator illuminates.

2

Note: Setting the panel-lock function to ON allows the terminals to switch the
setting number for the tolerance limits. For details of the panel-lock function, see
"Panel-lock function [ ]" (➮

4. Press the

or key to display the desired value.

• Pressing the

• Pressing the

W

page 43

).

key changes the flashing digit to the right.
key changes the value.

• All digits flash when the fifth digit and sign can be changed.

No setting

(1st to 4th digits)

5. Press the

(5th digit)

key.

• The HIGH limit setting value is saved. The sensor automatically enters the
LOW limit value setting mode.

• Set the LOW limit value using the same procedure as in steps 3 and 4.

Note 1: The output is disabled during the tolerance limit value setting. When the
output is already on, however, the output is retained.

Note 2: Pressing the
Hysteresis] is smaller than [LOW setting value + Hysteresis]. In this case, “Err1” is

displayed. Press the
values.

26

key does not save the changes if [HIGH setting value -

key again to cancel the error, and then specify the correct

E EX-V-IM

Chapter 2 Quick Guide to Basic Mode Operation

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

HIGH TIM

GO

LOW

HIGH TIM

GO

LOW

2.5 Checking the Tolerance Limit Values (Calling the tolerance
limit values)

The preset tolerance limit values can be checked during measurement.

1. Press the

key.

The preset setting number ("0" through "3") is displayed.

Setting No.

Note: Press the key for a short time. When the key is pressed for 2 seconds or
longer, the sensor enters the adjustment mode. If you accidentally put the sensor
into the adjustment mode, "0" appears at the right end on the display. At this time,
press the key to return to the measurement state.

2. Press the

key.

The HIGH indicator flashes and the preset HIGH limit value appears on the
display.

2

3. Press the

4. Press the

Note 1: The EX-V series internally performs measurement and comparison even
while displaying the tolerance limit value. When the measured value exceeds the
tolerance limit value while the tolerance limit value is called out on the display, the
displayed value changes from green to red to indicate that the measured value is
out of the tolerance range.

Note 2: When you want to change the preset value while calling out the tolerance
limit value on the display, press the

limit setting mode. Refer to "2.4 Tolerance Limit Value Setting" (

26

E EX-V-IM

key again.

The LOW indicator flashes and the preset LOW limit value appears on the
display.

key to return to measured value display.

key. This allows you to enter the tolerance

➮

pages 25 and

).

27

Chapter 2 Quick Guide to Basic Mode Operations

MEMO

E EX-V-IM

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Chapter 3

Use of Common Functions

Explains the functions common to the respective modes and the setting procedure.

3.1 Table of Functions and Function Numbers....................... 30

3.2 Function Setting Flow ......................................................... 31

3.2.1 Selecting the function using the

key .................................31

3.2.2 Display scaling function [E] .................................................... 33

3.2.3 Monitor (analog voltage) output setting function [F] ............... 36

3.2.4 Digits function/decimal point function [g] ............................... 39

3.2.5 Offset function [x]................................................................... 40

3.2.6 Output form selection function [I] ..........................................42

3.2.7 Panel-lock function [j] ........................................................... 43

Chapter 3 Use of Common Functions

3

30

E EX-V-IM

3.1 Table of Functions and Function Numbers

Use the operation keys to set the functions of each mode. This section describes
the table of functions "E" through "J".

Table of functions and function numbers

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* The setting in each shaded column of the table above shows the factory-set value.

Chapter 3 Use of Common Functions

3

31

E EX-V-IM

3.2 Function Setting Flow

This section explains how to set functions "E" through "j" using the key.

3.2.1 Selecting the function using the key

Select the function to be set from functions "E" through "j" and then enter the
desired function number or numeric value.

1. Press the

key for at least 2 seconds.

• The sensor enters the common function selection mode.

• The function parameter of the flashing function code can be set.

2. Press the

key to select the function to be set.

Pressing the

key changes the flashing digit to the right.

3. Press the

or key to enter the function number setting state.

4. Set the function parameter.

➮

For details of each function, see pages 33 to 43.

5. Press the key.

The sensor saves the setting and returns to the measurement state.

6. To set two or more functions, repeat steps 1 through 5 described above.

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

SET

CALL

Chapter 3 Use of Common Functions

3

Reference 1: When the initial setting for a function is changed, the setting is
displayed in red.

Reference 2: To return to the common function selection mode without changing
the setting, press the key.

Note 1: When you return to the measurement state by pressing the key even
after entering a function number or numeric value, the number or value is not
saved.

Note 2: The output is disabled for the time between entering the common function
selection mode with the

setting. However, if the output is already on before the sensor enters the common
function selection mode, the output is retained.

key and returning to the measurement state after

32

E EX-V-IM

3.2.2 Display scaling function [E]

15

1

5

1

0

10

Before scaling After scaling

Display Display

Original display

5

Original display

Setting

Point 1
Original display (input value) : 1.000
Changed display (display value) : 0.000

Point 2
Original display (input value) : 5.000
Changed display (display value) : 10.000

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

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This function is used to change the ratio of the displayed value relative to the
measured value (input value from the sensor head). To perform scaling, enter the
desired display value respectively for two desired correction points.

Example

To display the original display value changing from "1" to "5" as a value changing
from "0" to "10"

Chapter 3 Use of Common Functions

3

1. Press the

key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

key to select function "E".

Check that "E" is flashing.

3. Press the

4. Press the

key to enter the display scaling function setting state.

key to select the input method. After the selection, press the

key to save the input method setting.

• Pressing the

key changes the input method number.

E EX-V-IM

Using input value from
sensor head for setting

Using operation key
input for setting

• Select "0" or "1" and follow the procedure described below according to the

selected input method.

33

Chapter 3 Use of Common Functions

When selecting "In-0"

5. Set the input value for correction point 1.
Use the

• The value on the flashing digit can be changed.

• Pressing the

or key to set the desired numeric value.

key changes the flashing digit to the right.

3

• Pressing the

• All digits flash when the fifth digit and sign can be changed.

6. Press the
enters the display value setting state.

The display value is displayed in green.

7. Set the display value for correction point 1 in the same procedure as step 5, and
use the

8. Set and save the input and display values for correction point 2.

• Repeat steps 5 and 6 to set and save the input and display values for

correction point 2.

• After saving the display value for point 2, the sensor returns to the

measurement state.

key changes the value.

No setting

(5th digit)

key to save the input value for correction point 1. Then, the sensor

key to save the setting value.

(1st to 4th digits)

34

E EX-V-IM

When "In-1" is selected

Chapter 3 Use of Common Functions

5. Set and save the input value for correction point 1 using the value measured by
the sensor (input from the sensor head).

• Move the sensor head or target to the distance to be set as correction point

1.

• Press the

key to save the measured value.

6. Use the

• Pressing the

• Pressing the

• All digits flash when the fifth digit and sign can be changed.

7. Press the

8. Set and save the values for correction point 2.

• Repeat steps 5 through 7 to set and save the input and display values for

correction point 2.

• After saving the display value for point 2, the sensor returns to the

measurement state.

Note 1: The input and display values for display scaling can be set between ­19999 and +19999.

Note 2: To set the scaling function, be sure to satisfy the following conditions. If
these conditions are not satisfied, "Err2" is displayed and the setting procedure is
disabled. When the error message is displayed, press the
error message and retry the setting.
(1) Input value 1 - input value 2 ≠ 0
(2) Display value 1 - display value 2 ≠ 0
(3) After scaling, the display value is within the range of ±19.999 when the input

value is "0".

(4)

0.0001 ≤

or key to set the display value for correction point 1.

key changes the flashing digit to the right.
key changes the value.

No setting

(5th digit)

key to save the setting value.

(display value 1 - display value 2 )

(input value 1 - input value 2)

(1st to 4th digits)

key to cancel the

≤ 15

3

Note 3: When using the internal trigger function (
level after performing scaling. (The internal trigger function works with regard to the
value displayed after scaling is performed.)

E EX-V-IM

➮

page 46

), adjust the trigger

35

Chapter 3 Use of Common Functions

5.000

55

10.000

00

Point 1
Display value: 0.00
Monitor (analog voltage) output value: 0

Point 2
Display value: 10.000
Monitor (analog voltage) output value: 5

Before scaling

After scaling

Monitor (analog voltage)
output (V)

Monitor (analog voltage)
output (V)

Display

Display

Setting

3.2.3 Monitor (analog voltage) output setting function [F]

This function is used to change the ratio of the analog voltage output value relative
to the displayed value, provided that the output voltage is between -5 and +5 V. By
performing scaling, you can change the output voltage value to the desired level. In
addition, you can select either of the following two output methods: one outputs
analog voltage according to the displayed value and the other outputs the input
value from the sensor head.

Reference: The initial state outputs the voltage equal to the displayed value.

Output scaling

The ratio of the analog voltage output relative to the displayed value can be
changed, provided that the output voltage is between -5 and +5 V. To perform
scaling, enter the desired monitor (analog voltage) output value respectively for two

3

desired correction points.

1. Press the

key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

3. Press the

4. Press the

key to make "F" flash.

or key to enter the monitor output setting mode.

key with "F-0" displayed.

The sensor enters the monitor output scaling setting state.

36

E EX-V-IM

Chapter 3 Use of Common Functions

5. Set the display value for correction point 1.

The display value is displayed in red.

• The value on the flashing digit can be changed.

• Pressing the

key changes the flashing digit to the right.

• Pressing the

• All digits flash when the fifth digit and sign can be changed.

6. Press the

• Then, the sensor enters the monitor output value setting state.

7. Set the monitor output value for correction point 1 in the same procedure as
step 5, and use the

• The monitor output value is displayed in green.

key changes the value.

No setting

(5th digit)

key to save the display value for correction point 1.

key to save the setting value.

(1st to 4th digits)

3

8. Repeat steps 5 through 7 to set and save the display and monitor output values

Note 1: The display and monitor output values for monitor output scaling can be
set between -19999 and +19999.

Note 2: To set the scaling function, be sure to satisfy the following conditions. If
these conditions are not satisfied, "Err3" is displayed and the setting procedure is
disabled. When the error message is displayed, press the
error message and retry the setting.
(1) Display value 1 - display value 2 ≠ 0
(2) Monitor output value 1 - monitor output value 2 ≠ 0
(3)

E EX-V-IM

for correction point 2.

• After saving the monitor output value for point 2, the sensor returns to the

measurement state.

key to cancel the

0.001 ≤

(monitor output value 2 - monitor output value 1 )

(display value 2 - display value 1)

≤ 6

37

Chapter 3 Use of Common Functions

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Selecting the output method

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

3

2. Press the

3. Press the

4. Press the
Press the

5. Select the desired output method.

Pressing the

key to make "F" flash.

or key to enter the monitor output setting mode.

key to display "F-1".
key to enter the monitor output method selection state.

key changes the function number.

Reference: When using the hold mode in the bottom-dead-center or eccentricity/
vibration mode (in which only the operation result is retained and displayed), set
the output method to "F-11". This allows you to check the current change of the
measured value.

6. Press the

38

Outputs the input value.

Outputs the displayed value.

key to save the output method setting.

After saving the setting, the sensor returns to the measurement state.

E EX-V-IM

3.2.4 Digits function/decimal point function [g]

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The digits function is used to delete the last digit on the display. The decimal point
function is used to place the decimal point on the desired position.

Table of function number

* Only with the 1-mm type and 2-mm type, the high-accuracy mode can be used. The least significant

digit shows sub-micron.

Setting function "g"

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

Chapter 3 Use of Common Functions

3

2. Press the

3. Press the

4. Press the

5. Press the

Note 1: Even when the number of displayed digits is set to 4 digits, the tolerance
limit values are displayed with 5 digits. The actual measured value (including the
last digit), instead of the displayed value, is used for comparison with the tolerance
limit values.

E EX-V-IM

Note 2: When the decimal point position on the display is shifted, that of the
tolerance limit values is shifted to the same position.

Note 3: When changing the sensor to the high accuracy mode while the internal
trigger function (
(The internal trigger function works with regard to the value displayed after the
changing.)

key to make "g" flash.

or key to enter the digits/decimal point setting state.

key to select the desired function number.

Pressing the

key changes the function number sequentially.

key.

The sensor saves the setting and returns to the measurement state.

➮

page 46

) is activated, adjust the trigger level after the changing.

39

Chapter 3 Use of Common Functions

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

3.2.5 Offset function [x]

Applications of the offset function

3

The offset function allows any value to be added to or subtracted from the
displayed value. When an offset value is preset, activating the auto-zero function
displays the offset value.

• The displayed value can be changed to a desired value by performing addition
or subtraction.

Add "0.003" to the
displayed value using the
offset function.

• The displayed value can be reset to the dimension of the master target that was
previously measured.

Setting function "x"

The master target
measures 10 mm.

Set the offset value to
"10.000" and then
activate the auto-zero
function.

1. Press the for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

3. Press the

key to make "x" flash.

or key to enter the offset setting state.

40

E EX-V-IM

Chapter 3 Use of Common Functions

HIGH TIM

GO

LOW

4. Use the or key to set the desired numeric value.

• The value on the flashing digit can be changed.

Pressing the

key changes the flashing digit to the right.

• Pressing the

No setting

(5th digit)

key changes the value.

(1st to 4th digits)

• All digits flash when the fifth digit and sign can be changed.

Reference: Pressing the [ZERO] key in this step resets the display to "0000".

5. Press the

key.

The sensor saves the setting value and returns to the measurement state.

Reference: The offset value can be set within the range of ±19.999.

Note: When using the internal trigger function (

➮

page 46

), adjust the trigger level
after entering the offset value. (The internal trigger function works with regard to
the displayed value.)

3

E EX-V-IM

41

Chapter 3 Use of Common Functions

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SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

3.2.6 Output form selection function [I]

This function is used to select the output form from the open-collector (HIGH, GO,
LOW) to output the signal for indicating that the measured value is out of the
tolerance range.

3

Setting function "I"

*"3" is displayed only when normal measurement in the manual mode or continuous measurement in

the thickness/gap mode is selected.

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

3. Press the

key to make "I" flash.

or key to enter the output form selection state.

4. Press the

42

5. Press the

key to select the desired function number.

Pressing the

The sensor saves the setting and returns to the measurement state.

key changes the function number sequentially.

N.O. off-delay output

N.O. hold output

N.C. normal output

N.O. normal output

key.

E EX-V-IM

Chapter 3 Use of Common Functions

3

43

E EX-V-IM

3.2.7 Panel-lock function [j]

The panel-lock function is used to inhibit front panel key operation. Use this
function to prevent the accidental pressing of the keys, which may cause
malfunctions.
When the panel-lock function is set to ON, all key operations are ignored, except
for pressing the key (for calling the tolerance limit values) and pressing or

for at least 2 seconds (for entering the common mode selection mode).
When switching the setting number of the tolerance limit values through the
terminal, set the panel-lock function to ON.

1. Press the

key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

key to select function "J".

3. Press the

or key to enter the panel-lock selection state.

4. Press the

key to select the desired function number.

Pressing the

key changes the function number.

5. Press the

key.

The sensor saves the setting and returns to the measurement state.

If frequently activating the auto-zero using the external terminal, set the
panel-lock function to ON to protect the memory. (Values can be written into
the memory 100,000 times.)

Note 1: While the panel-lock function is set to ON, the sensor does not write the

value displayed when the auto-zero function is activated into the internal non­volatile memory. (Once the power is turned off, the auto-zero function is cancelled.)

Note 2: While the panel-lock function is set to ON, the setting number of the
tolerance limit values can be switched through the external terminal.

HIGH TIM

GO

LOW

HIGH TIM

GO

LOW

Panel-lock (ON)

Panel-lock cancelled (OFF)

CAUTION

Chapter 3 Use of Common Functions

3

MEMO

44

E EX-V-IM

Chapter 4

Use of Data Processing Functions

Explains the setting and operation procedures of the respective functions.

4.1 Table of Data Processing Functions.................................. 46

4.2 Details of Bottom-dead-center Mode .....................................47

4.2.1 No. of averaging measurements/Digital filter [A] .................... 47

4.2.2 Measurement type [b] ............................................................49

4.2.3 Measurement period [[] ......................................................... 53

4.2.4 Previous value comparison function [d] .................................56

4.3 Details of Eccentricity/vibration Mode............................... 57

4.3.1 No. of averaging measurements/Digital filter [A] .................... 57

4.3.2 Measurement type [b] ............................................................57

4.3.3 Measurement period [[] ......................................................... 61

4.4 Details of Thickness/gap Mode .......................................... 64

4.4.1 No. of averaging measurements/Digital filter [A] .................... 64

4.4.2 Measurement type [b] ............................................................64

4.4.3 Measurement period [[] ......................................................... 69

4.4.4 Inverse/normal display function [d] ........................................ 73

E EX-V-IM

4.5 Details of Manual Mode ....................................................... 74

4.5.1 No. of averaging measurements/Digital filter [A] .................... 74

4.5.2 Measurement type [b] ............................................................74

4.5.3 Measurement period [[] ......................................................... 84

4.5.4 Previous value comparison function [d] .................................84

4.6 Hysteresis Setting ............................................................... 85

4.7 Initialization ..........................................................................86

Chapter 4 Use of Data Processing Functions

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4.1 Table of Data Processing Functions

All functions of each measurement mode are specified with the operation keys. The
following tables list function codes "A" to "d" and their functions.

Table of functions and function numbers

■ Mode 0: Manual mode

■ Mode 1: Bottom-dead-center mode

4

■ Mode 2: Eccentricity/vibration mode

■ Mode 3: Thickness/gap mode

* The setting in each shaded column of the table above shows the factory-set value.

46

↑↓

E EX-V-IM

Chapter 4 Use of Data Processing Functions

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

4.2 Details of Bottom-dead-center Mode

This section describes function codes "A" to "d" specified with the key for the
bottom-dead-center mode.

4.2.1 No. of averaging measurements/Digital filter [A]

Sets the number of averaging measurements or the digital filter function.

• No. of averaging measurements function

You can specify the number of averaging the measured signals input from the
sensor head. This function is effective to ignore sporadic changes or to obtain
quick comparator output.

• Digital filter function

You can display the signals input from the sensor head by eliminating the
signals higher than a specified frequency. This function is effective to ignore
abrupt fluctuations and to obtain a smooth curve display.

Setting function "A"

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Check that "A" flashes.

3. Press the

or key.

The function number for the No of averaging measurements or the digital filter is
displayed.

4. Press the

• Pressing the

key to select the desired function number.

key changes the function number sequentially.

• Pressing the [ZERO] key resets the display to "A-A0".

4

5. Press the

E EX-V-IM

key.

The sensor saves the setting and returns to the measurement state.

47

Chapter 4 Use of Data Processing Functions

No. of averaging measurements vs. time for averaging measurements

Details of digital filter setting

4

yalpsiD

0A-A

1A-A

2A-A

3A-A

4A-A

5A-A

6A-A

7A-A

8A-A

9A-A

1. The factory setting is "A-A5" (64).

2. This does not represents the output response time. For details of the output response time, refer to
page 97.

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Display example

Applying the display filter changes the display as follows:

48

E EX-V-IM

4.2.2 Measurement type [b]

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25

The following three types of measurement are available:

Select or set the measurement type in the following procedure:

Setting function "b"

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

Chapter 4 Use of Data Processing Functions

2. Press the

3. Press the

4. Press the

• Pressing the

• Pressing the [ZERO] key resets the display to "b-0".

key to make function "b" flash.

or key to select the measurement type.

key to select the desired function number.

key changes the function number sequentially.

Limited peak-to-peak hold

Limited bottom-dead-center

Simple bottom-dead-center

4

5. Press the

E EX-V-IM

key.

The sensor saves the setting and returns to the measurement state.

49

Chapter 4 Use of Data Processing Functions

(t)

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

0

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first timing signal is input.

Displayed value

POWER ON or
Reset input

Strobe output
HIGH OUT
HI
GO OUT
GO
LOW OUT
LO
Comparator
output disable input

Bottom-dead-center values

Trigger level

(t)

0

ON

OFF

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first measured value is determined.

Displayed value

Timing input

Limited bottom-dead-center values

Sampling period Sampling period

Sampling period

Simple bottom-dead-center measurement function (Internal trigger) [b-0]

Measures the "minimum value" detected during a specified period.

* The external trigger mode is not available for the simple bottom-dead-center measurement. For the

internal trigger setting, only a trigger level and trigger hysteresis can be specified.

• If a comparator output disable input turns ON before the comparator operation,

4

the comparator output does not turn ON.

• The trigger level is factory-adjusted to the full scale.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for
updating the comparator output.

Limited bottom-dead-center measurement function [b-1]

Timing diagram

Measures the "minimum value" detected during a specified period (sampling
period).
For the limited bottom-dead-center measurement function, the sampling period can
be specified with the combination of the trigger mode and delay time settings.

➮

For the details of the trigger mode and delay time, refer to pages 53 to 55.

■ External trigger mode

• If a comparator output disable input turns ON before the comparator operation,
the comparator output does not turn ON.

• The sampling period is between the UP edge of the timing input (hold-reset
input) and the UP edge of the next timing input. The value measured at the
instant when the timing input turns ON is displayed/output.

50

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

E EX-V-IM

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

ON

OFF

ON

OFF

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first measured value is determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger point

Limited bottom­dead-center value

Sampling
delay

Sampling period

Trigger level

■ Internal trigger mode (Example of internal trigger DOWN )

• The sampling operation starts when the sampling delay time elapses after the
measured value falls below the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the "limited bottom-dead-center
value" is displayed/output.
For the internal trigger down

operation, the trigger point is the instant when

the measured value exceeds the trigger level.

• If a comparator output disable input turns ON before the comparator operation,
the comparator output does not turn ON. Refer to page 50 for details.

• The instant when the sampling starts, the strobe output turns ON.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for
updating the comparator output.

• The trigger level is factory-adjusted to the full scale.

4

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

E EX-V-IM

51

Chapter 4 Use of Data Processing Functions

(v)

(t)

0

ON

OFF

p

b

p'

b'

(p-b)

(p'-b')

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first measured value is determined.

Displayed value

Timing input

Limited peak-to­peak value

Sampling period Sampling period

(v)

(t)

0

ON

OFF

ON

OFF

ON

OFF

p

b

p'

b'

(p-b)

(p'-b')

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first measured value is determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger
point

Trigger
point

Limited peak-to­peak value

Sampling
delay

Sampling
delay

Sampling period Sampling period

Trigger level

Limited peak-to-peak hold function [b-2]

Measures the difference between the maximum and minimum values during a
specified period (sampling period).
For the limited peak-to-peak hold function, the sampling period can be specified
with the combination of the trigger mode and delay time settings.

➮

For the details of the trigger mode and delay time, refer to pages 53 to 55.

Timing diagram

■ External trigger mode

4

• If a comparator output disable input turns ON before the comparator operation,

• The sampling period is between the UP edge of the timing input (hold-reset

• The value measured at the instant when the timing input turns ON is displayed/

Reference: To clear the measured value being held and start the measurement
again, short-circuit the hold-reset and GND terminals.

Internal trigger mode (Example of internal trigger up

• If a comparator output disable input turns ON before the comparator operation,

• The sampling operation starts when the sampling delay time elapses after the

52

• The instant when the sampling starts, the strobe output turns ON.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for

• For the internal trigger down

• The trigger level is factory-adjusted to the full scale.

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

the comparator output does not turn ON.

➮

Refer to page 50 for details.

input) and the UP edge of the next timing input.

output.

)

the comparator output does not turn ON.

➮

Refer to page 50 for details.

measured value exceeds the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the "peak-to-peak value" is dis­played/output.

updating the comparator output.

measured value falls below the trigger level.

operation, the trigger point is the one when the

E EX-V-IM

4.2.3 Measurement period [[]

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(v)

0

Internal timing

The chattering of trigger signals is ignored.

Trigger hysteresis
Trigger level

(Time)

This function sets/selects the sampling period to use the hold measurement.

Trigger level and trigger hysteresis

■ For internal trigger down operation

Chapter 4 Use of Data Processing Functions

4

• By setting the trigger hysteresis, the chattering of the internal trigger signals can
be ignored.

• The trigger level and trigger hysteresis are specified with numerical values.

Note 1: The trigger level can be set within the range of ±19.999.

Note 2: The trigger hysteresis can be set up to +19.999.

* The trigger hysteresis is factory-adjusted to 10 digits.

Sampling delay and sampling period

■ Sampling delay

Specify the time between the instant when the trigger signal turns ON and the
beginning of the sampling period.

E EX-V-IM

53

Chapter 4 Use of Data Processing Functions

(Time)

Sampling period

Trigger point Starting point

The measured value is displayed/output
at this point.

Sampling
delay time

■ Sampling period

Specify the length of the sampling period after the hold-reset input.

• The sampling delay time and sampling period are specified with time length.

Example

1000.1 = 1000.1 ms

Note 1: The sampling delay time and sampling period can be specified within the
range of 0.1 to 19999.9 ms.

Note 2: When the measurement type is set to "b-0", settings " [-0", "[-1", "[-22"
and "[-23" cannot be selected.

Setting function "["

4

1. Press the key for at least 2 seconds.

The unit of the setting display is "ms".

The sensor enters the common function selection mode.

When "[-0" is selected:

2. Press the

3. Press the

4. Press the

5. Press the key.

The sensor saves the setting and returns to the measurement state.

key to make function "[" flash.

or key to select the function setting mode.

key to select the desired function.

54

E EX-V-IM

When "[-1" or "[-2" is selected:

5. Press the key to specify each function.

[­[­[­[-

■

0: Trigger level setting

■

1: Trigger hysteresis setting

■

2: Sampling delay setting

■

3: Sampling period setting

Chapter 4 Use of Data Processing Functions

6. Press the

7. Press the

• Specify the trigger level and trigger hysteresis based on the displayed value.

• The sampling delay and sampling period are specified as time length (ms).

8. Press the

• The value of the flashing digit can be changed. Pressing the

the flashing digit to the right.

For trigger level/trigger hysteresis setting

• Pressing the

• All digits flash when the fifth digit and sign can be changed.

key to specify functions "10" to "13".

key to specify each function.

or key to specify the desired value.

key changes

key changes the value.

For sampling delay/sampling period setting

4

Reference: Pressing the [ZERO] key here resets the display to "0000".

9. Press the

E EX-V-IM

No setting

When the key is pressed

(5th digit)

key.

The sensor saves the setting and returns to the measurement state.

(1st to 4th digits)

All digits move to the left.

while the 1st digit is flashing,

55

Chapter 4 Use of Data Processing Functions

HIOUT

ON
OFF

Slow changes

Abrupt change

Hold value

(Time)

4.2.4 Previous value comparison function [d]

Compares the average of the previously measured values with the current
measured value and displays only abrupt changes among slow changes.
When any hold function (peak hold, peak-to-peak hold or sample hold) is used, this
function is effective to ignore small differences caused by temperature fluctuation
or the unstable status during warm-up time.

Note: If the displayed value is out of the preset tolerance range, the input value is
not used in the comparison calculation of the next input.

4

Setting function "d"

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

3. Press the

4. Press the

5. Press the

key to make function "d" flash.

or key to select the previous value comparison function.

key to select the desired function number.

Enable the previous value
comparison function

Disable the previous value
comparison function

key.

The sensor saves the setting and returns to the measurement state.

Note: To reset the values used for the previous value comparison, short-circuit the
No. 11 reset terminal and GND terminal.

56

E EX-V-IM

Chapter 4 Use of Data Processing Functions

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06

4.3 Details of Eccentricity/vibration Mode

This section describes function codes "A" to "[" specified with the key for the
eccentricity/vibration mode.

4.3.1 No. of averaging measurements/Digital filter [A]

Sets the number of averaging measurements or the digital filter function.

➮

Refer to pages 47 and 48 for details.

4.3.2 Measurement type [b]

The following three types of measurement are available:

4

Select or set the measurement type in the following procedure:

Setting function "b"

1. Press the key for at least 2 seconds.

2. Press the

3. Press the

4. Press the

E EX-V-IM

The sensor enters the common function selection mode.

key to make function "b" flash.

or key to select the measurement type.

key to select the desired function number.

• Pressing the

• Pressing the [ZERO] key resets the display to "b-0".

key changes the function number sequentially.

57

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

p

b

p'

b'

(p-b)

(p'-b')

Displayed value

Timing input

Simple difference
value

Sampling period Sampling period

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first timing signal is input.

5. Follow one of the procedures below according to the selected function number:

● When "b-0" or "b-1" is selected:

Press the

The sensor saves the setting and returns to the measurement state.

● When "b-2" (Difference between peaks [bottoms] measurement) is selected:

key.

1) Select "b-20" or "b-21" and then press the

2) Specify the hysteresis to determine the peak (bottom) value as neces-

3) Press the

4

Note 1: The hysteresis can be set within the range of 0 to 19.999.

Note 2: The hysteresis is factory-adjusted to 10 digits.

Simple difference measurement function [b-0]

Measures the difference between the maximum and minimum values detected
during a specified period (sampling period).

key to confirm the selec-

tion.

"b-20": Difference between peak values measurement
"b-21": Difference between bottom values measurement

sary.

key.

The sensor saves the setting and returns to the measurement state.

For the simple difference measurement function, the sampling period can be
specified with the combination of the trigger mode and delay time settings.

➮

Timing diagram

■ External trigger mode

• The sampling period is between the UP edge of the timing input (hold-reset

• The value measured at the instant when the timing input turns ON is displayed/

58

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

For the details of the trigger mode and delay time, refer to pages 61 to 63.

input) and the UP edge of the next timing input.

output.

E EX-V-IM

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

ON

OFF

ON

OFF

p

b

p'

b'

(p-b)

(p'-b')

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first measured value is determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger pointTrigger point

Simple difference
value

Sampling
delay

Sampling
delay

Sampling period Sampling periodSampling period Sampling period

Trigger level

(t)

0

ON

OFF

p

b

(p-b)

Sampling period Sampling period Sampling period Sampling period

Displayed value

Internal timing

Trigger point

Cyclical difference values

Trigger hysteresis

■ Internal trigger mode (Example of internal trigger UP )

• The sampling operation starts when the sampling delay time elapses after the
measured value exceeds the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the "difference between the
maximum and minimum values" is displayed/output.

• For the internal trigger down

operation, the trigger point is the instant when

the measured value falls below the trigger level.

• The instant when the sampling starts, the strobe output turns ON.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for
updating the comparator output.

4

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

Cyclical difference measurement function [b-1]

Automatically measures the difference between the maximum and minimum values
detected in each sensor input cycle.

• When the measured value exceeds the minimum value by the amount of a

• When the power is turned ON or the hold-reset signal is input, the display

E EX-V-IM

specified trigger hysteresis, the sampling starts. When a cycle completes and
the measured value again exceeds the minimum value by the amount of a
specified trigger hysteresis, the difference in one cycle is determined.

shows "----" until the measured value exceeds the minimum value by the
amount of a specified trigger hysteresis.

59

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

p1 p2 p4p3

(p1-p2)

(p4-p3)

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first timing signal is input.

Displayed value

Timing input

Sampling period Sampling period

(t)

0

ON

OFF

b2

b1

b3

b4

(b2-b1)

(b3-b4)

When the power is turned ON or the
hold-reset signal is input, the display
shows " " until the first timing
signal is input.

Displayed value

Timing input

Sampling period Sampling period

Difference between peaks (bottoms) [b-2]

Measures the difference between the maximum and minimum values of the peak
(bottom ) values during a specified period (sampling time).
The following two types of measurement are available:

1. "b-20" Difference between peak values measurement: Measures the difference

2. "b-21" Difference between bottom values measurement: Measures the differ-

Timing diagram

For "b-20" measurement

■ External trigger mode

4

between the maximum and minimum values of the peak values.

ence between the maximum and minimum values of the bottom values.

• The sampling period is between the UP edge of the timing input (hold-reset
input) and the UP edge of the next timing input.

• The value measured at the instant when the timing input turns ON is displayed/
output.

• The EX-V series determines the peak value when the measured value
decreases from the maximum value by a specified hysteresis value. Take this
into account when inputting the timing signal.

Reference: To clear the measured value being held and start the measurement
again, short-circuit the hold-reset and GND terminals.

For "b-21" measurement

■ External trigger mode

• The sampling period is between the UP edge of the timing input (hold-reset

• The value measured at the instant when the timing input turns ON is displayed/

60

• The EX-V series determines the bottom value when the measured value

Reference: To clear the measured value being held and start the measurement
again, short-circuit the hold-reset and GND terminals.

input) and the UP edge of the next timing input.

output.

increases from the minimum value by a specified hysteresis value. Take this
into account when inputting the timing signal.

E EX-V-IM

4.3.3 Measurement period [[]

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(v)

0

(Time)

Internal timing

The chattering of trigger signals is ignored.

Trigger hysteresis
Trigger level

This function sets/selects the sampling period to use the hold measurement.

Trigger level and trigger hysteresis

■ For internal trigger down operation

Chapter 4 Use of Data Processing Functions

4

• By setting the trigger hysteresis, the chattering of the internal trigger signals can
be ignored.

Note: When the cyclical difference measurement function is selected, the trigger
hysteresis is used differently from the operation above.

diagram on page 59 for details.

• The trigger level and trigger hysteresis are specified with numerical values.

Note 1: The trigger level can be set within the range of ±19.999.

Note 2: The trigger hysteresis can be set up to +19.999.

* The trigger hysteresis is factory-adjusted to 10 digits.

Sampling delay and sampling period

■ Sampling delay

Specify the time between the instant when the trigger signal turns ON and the
beginning of the sampling period.

➮

Refer to the timing

E EX-V-IM

61

Chapter 4 Use of Data Processing Functions

Trigger point

Starting point

The measured value is
displayed/output at this point.

(Time)

Sampling
delay time

Sampling period

■ Sampling period

Specify the length of the sampling period after the hold-reset input.

• The sampling delay time and sampling period are specified with time length.

Example

1000.1 = 1000.1 ms

Note 1: The reset delay and sampling delay can be specified within the range of

0.0 to 19999.9 ms.

Note 2: When "b-1" is selected as the measurement type, only "[-11" is displayed
to be set.

Note 3: When "b-2" is selected as the measurement type, only "[-0" is displayed
to be set.

4

Setting function "["

The unit of the setting display is "ms".

When "[-0" is selected

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

3. Press the

4. Press the

key to make function "[" flash.

or key to select the function setting mode.

key to select the desired function.

5. Press the key.

The sensor saves the setting and returns to the measurement state.

62

E EX-V-IM

When "[-1" or "[-2" is selected

5. Press the key to specify each function.

[­[­[­[-

■

0: Trigger level setting

■

1: Trigger hysteresis setting

■

2: Sampling delay setting

■

3: Sampling period setting

Chapter 4 Use of Data Processing Functions

6. Press the

7. Press the

• Specify the trigger level and trigger hysteresis based on the displayed value.

• Specify the sampling delay and sampling period as time length (ms).

8. Press the

• The value of the flashing digit can be changed. Pressing the

the flashing digit to the right.

• Pressing the

• All digits flash when the fifth digit and sign can be changed.

No setting

key to specify functions "10" to "13".

key to specify each function.

or key to specify the desired value.

key changes

For trigger level/trigger hysteresis setting

key changes the value.

For sampling delay/sampling period setting

4

Reference: Pressing the [ZERO] key here resets the display to "0000".

9. Press the

E EX-V-IM

(1st to 4th digits)(5th digit)

All digits move to the left.

key.

The sensor saves the setting and returns to the measurement state.

When the
pressed while the 1st
digit is flashing,

key is

63

Chapter 4 Use of Data Processing Functions

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86,76

4.4 Details of Thickness/gap Mode

This section describes function codes "A" to "d" specified with the key for the
thickness/gap mode.

4.4.1 No. of averaging measurements/Digital filter [A]

Sets the number of averaging measurements or the digital filter function.

➮

Refer to page 47 for details.

4.4.2 Measurement type [b]

The following three types of measurement are available:

4

Setting function "b"

Select or set the measurement type in the following procedure:

Reference: The thickness/gap mode is adjusted to increase measured values
when the distance between the sensor head and a target decreases. If you want to
decrease measured values when the measuring distance decreases, set function
"d" to "d-0", normal display.

The measured value increases.

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

key to make function "b" flash.

64

E EX-V-IM

Chapter 4 Use of Data Processing Functions

(t)

0

HIGH OUT

HIGH limit value

LOW limit value

Displayed value

ON

OFF

GO OUT

ON

OFF

LOW OUT

Timing input

ON

OFF

ON

OFF

3. Press the or key to select the measurement type.

4. Press the

• Pressing the

• Pressing the [ZERO] key resets the display to "b-0".

5. Press the

The sensor saves the setting and returns to the measurement state.

Continuous measurement function [b-0]

Displays/outputs the measurement result continuously.

* The measurement period can be specified with external inputs only. The internal trigger or flicker

signal cannot be used.

Timing diagram

key to select the desired function number.

key changes the function number sequentially.

key.

4

Reference: While the timing input is turned ON, the display and comparator output
is held.

E EX-V-IM

65

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first timing signal is input.

Displayed value

Timing input

Intermittent measurement value

(t)

0

ON

OFF

ON

OFF

ON

OFF

When the power is turned ON or the hold-reset signal is
input, the display shows " " until the first measured
value is determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger point

Sampling delay

Sampling period

Trigger point

Intermittent
measurement value

Trigger level

Sampling delay

Sampling period

Intermittent measurement function [b-1]

Measures the value at a specified instant.
For the intermittent measurement function, you can select the method to specify
the timing by the combination of the trigger mode and delay time.

➮

For the details of the trigger mode and delay time, refer to pages 69 and 70.

Timing diagram

■ External trigger mode

4

• The value measured at the instant when the timing input turns ON is displayed/

Reference: To clear the measured value being held, short-circuit the hold-reset
and GND terminals.

■ Internal trigger mode (Example of internal trigger up

• The sampling operation starts when the sampling delay time elapses after the

• For the internal trigger down

• The instant when the sampling starts, the strobe output turns ON.

66

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

output.

)

measured value exceeds the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the value at the instant is displayed/
output.

operation, the trigger point is the instant when

the measured value falls below the trigger level.

updating the comparator output.

E EX-V-IM

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

Flicker
time

Displayed value

Internal timing

Intermittent
measurement value

(t)

0

ON

OFF

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first timing signal is input.

Displayed value

Hold-reset input

Timing input

Average measurement value

■ Flicker mode

• When the power is turned ON or the hold-reset signal is input, the display
shows "----" until the first measured value is determined.

• The internal timing signal is input once at every flicker time and the measured
value at the instant is displayed/output.

Average measurement function [b-2]

Calculates the average of the measured values during a specified period (sampling
period).
For the average measurement function, you can select the method to specify the
timing by the combination of the trigger mode and delay time.

➮

For the details of the trigger mode and delay time, refer to pages 69 and 70.

Timing diagram

■ External trigger mode

• The sampling period is between the UP edge of the hold-reset input and the UP
edge of the next timing input.

• The value measured at the instant when the timing input turns ON is displayed/
output.

4

Reference: To start the measurement again, short-circuit the hold-reset and GND
terminals.

E EX-V-IM

67

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

ON

OFF

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first measured value is
determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger point

Sampling delay Sampling delay

Sampling period Sampling period

Trigger point

Average measurement value

Trigger level

Sampling delay Sampling delay

Sampling period Sampling period

(t)

0

ON

OFF

Flicker time

Displayed value

Internal timing

Average measurement value

Sampling period Sampling period Sampling period Sampling period

■ Internal trigger mode (Example of internal trigger up )

• The sampling operation starts when the sampling delay time elapses after the

4

measured value exceeds the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the value at the instant is displayed/
output.

• For the internal trigger down

operation, the trigger point is the instant when

the measured value falls below the trigger level.

• The instant when the sampling starts, the strobe output turns ON.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for
updating the comparator output.

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

■ Flicker mode

• When the power is turned ON or the hold-reset signal is input, the display

68

• The internal timing signal is input once at each flicker time and the value at the

shows "----" until the first measured value is determined.

instant is displayed/output.

E EX-V-IM

4.4.3 Measurement period [[]

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.levelreggirtdeificepsasdeecxeeulav

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.levelreggirtdeificepsawolebsllafeulav

3-[

rekcilF

deificepsanislangisreggirtlanretniNOsnruT

.elcyc

(v)

0

(Time)

Internal timing

The chattering of trigger signals is ignored.

Trigger hysteresis
Trigger level

This function sets/selects the sampling period to use the hold measurement.

Trigger level and trigger hysteresis

■ For internal trigger down operation

Chapter 4 Use of Data Processing Functions

4

• By setting the trigger hysteresis, the chattering of the internal trigger signals can
be ignored.

• The trigger level and trigger hysteresis are specified with numerical values.

Note 1: The trigger level can be set within the range of ±19.999.

Note 2: The trigger hysteresis can be set up to +19.999.

* The trigger hysteresis is factory-adjusted to 10 digits.

Sampling delay and sampling period

■ Sampling delay

Specify the time between the instant when the trigger signal turns ON and the
beginning of the sampling period.

E EX-V-IM

69

Chapter 4 Use of Data Processing Functions

Sampling period

Trigger point Starting point

The measured value is
displayed/output at this point.

(Time)

Sampling
delay time

■ Sampling period

Specify the length of the sampling period after the hold-reset input.

• The sampling delay time and sampling period are specified with time length.

Example

1000.1 = 1000.1 ms

■ Flicker time

• Turns ON the internal trigger signals in a specified cycle. Set the flicker time to

• The flicker time is specified with time length.

4

The unit of the setting display is "ms".

repeat the measurement continuously in a specific cycle.

The unit of the setting display is "ms".

Setting function "["

Note 1: The sampling delay and sampling period can be specified within the range

of 0.0 to 19999.9 ms.

Note 2: The flicker time can be specified within the range of 0.1 to 19999.9 ms.
Note 3: When "b-0" is selected as the measurement type, only "[-0" is displayed

to be set.

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

3. Press the

4. Press the

Select one of settings "0" to "3" and follow the procedures according to the
selected function number.

key to make function "[" flash.

or key to select the function setting mode.

key to select the desired function.

70

E EX-V-IM

When "[-0" is selected:

5. Press the key.

The sensor saves the setting and returns to the measurement state.

When "C-1" or "C-2" is selected:

5. Press the key to specify each function.

[­[­[­[-

■

0: Trigger level setting

■

1: Trigger hysteresis setting

■

2: Sampling delay setting

■

3: Sampling period setting

Chapter 4 Use of Data Processing Functions

4

6. Press the

7. Press the

• Specify the trigger level and trigger hysteresis based on the displayed value.

• Specify the sampling delay and sampling period as time length (ms).

key to specify functions "■0" to "■3".

key to specify each function.

E EX-V-IM

71

Chapter 4 Use of Data Processing Functions

8. Press the or key to specify the desired value.

4

• The value of the flashing digit can be changed. Pressing the

the flashing digit to the right.

For trigger level/trigger hysteresis setting

• Pressing the

No setting

• All digits flash when the fifth digit and sign can be changed.

Reference: Pressing the [ZERO] key here resets the display to "0000".

key changes the value.

For sampling delay/sampling period setting

(1st to 4th digits)(5th digit)

All digits move to the left.

When the
while the 1st digit is flashing,

key changes

key is pressed

When "[-3" is selected

9. Press the

The sensor saves the setting and returns to the measurement state.

5. Press the key to specify each function.

6. Press the

• The value of a flashing digit can be changed. Pressing the

flashing digit to the right.

• Pressing the

key.

or key to specify the desired value.

key changes the value.

key moves the

7. Press the

72

• All digits flash in the state where the fifth digit or the sign is selected.

key.

The sensor saves the setting and returns to the measurement state.

E EX-V-IM

4.4.4 Inverse/normal display function [d]

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.sesaerced

Selects the "inverse display" or "normal display".

Normal display Inverse display

Chapter 4 Use of Data Processing Functions

Setting function "d"

The measured value
increases.

The inverse display is useful when the thickness or height of a target is measured.

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

3. Press the

4. Press the

key to make function "d" flash.

or key to enter the inverse/normal display selection mode.

key to select the desired function number.

The measured value
increases.

4

5. Press the

E EX-V-IM

Inverse display

Normal display

key.

The sensor saves the setting and returns to the measurement state.

73

Chapter 4 Use of Data Processing Functions

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67

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Bottom

Sampling period

Peak

Peak-to-peak

4.5 Details of Manual Mode

This section describes function codes "A" to "d" specified with the key for the
manual mode.

4.5.1 No. of averaging measurements/Digital filter [A]

Sets the number of averaging measurements or the digital filter function.

➮

Refer to page 47 for details.

4.5.2 Measurement type [b]

The following six types of measurement are available:

4

Hold mode

74

E EX-V-IM

Setting function "b"

Chapter 4 Use of Data Processing Functions

Select or set the desired measurement type in the following procedure:

1. Press the key for at least 2 seconds.

The sensor enters the common function selection mode.

2. Press the

3. Press the

4. Press the

• Pressing the

• Pressing the [ZERO] key resets the display to "b-0".

5. Press the

The sensor saves the setting and returns to the measurement state.

key to make function "b" flash.

or key to select the measurement type.

key to select the desired function number.

key changes the function number sequentially.

key.

4

E EX-V-IM

75

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

ON

OFF

ON

OFF

LOW OUT

GO OUT

HIGH OUT

ON

OFF

ON

OFF

Timing input

HIGH limit value

LOW limit value

Displayed value

(t)

0

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first timing signal is input.

Displayed value

Timing input

Peak hold
value

Sampling period Sampling period

Sampling period

Normal measurement function [b-0]

Displays/outputs the measured value continuously.

Timing diagram

* When the timing input is turned ON, the display and comparator output is held.

Peak hold function [b-1]

4

Measures the "maximum value" during a specified period (sampling period).
For the peak hold function, the sampling period can be specified with the
combination of the trigger mode and delay time settings.

➮

➮

For the details of the trigger mode and delay time, refer to pages 69 and 70.

For the details of flicker delay, refer to pages 70 to 73.

• The sampling period is between the UP edge of the timing input (hold-reset

• The value measured at the instant when the timing input turns ON is displayed/

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

76

input) and the UP edge of the next timing input.

output.

E EX-V-IM

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

ON

OFF

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first measured value is
determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger
point

Peak hold value

Sampling delay

Sampling period

Sampling delay

Sampling period

Trigger level

(t)

0

ON

OFF

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first measured value is determined.

Displayed value

Internal timingc

Peak hold
value

Sampling period Sampling period Sampling period Sampling period

Flicker time

■ Internal trigger mode (Example of internal trigger up )

• The sampling operation starts when the sampling delay time elapses after the
measured value exceeds the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the peak value is displayed/output.

4

• For the internal trigger down

• The instant when the sampling starts, the strobe output turns ON.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

■ Flicker mode

E EX-V-IM

• The internal timing signal is input once at each flicker time and the "maximum

operation, the trigger point is the instant when

the measured value falls below the trigger level.

updating the comparator output.

value" during the sampling period is displayed/output.

77

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first timing signal is input.

Displayed value

Timing input

Sampling period Sampling period

Sampling
period

(t)

0

ON

OFF

ON

OFF

ON

OFF

When the power is turned ON or the hold-reset signal
is input, the display shows " " until the first
measured value is determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger
point

Bottom hold value

Sampling delay

Sampling period

Sampling delay

Sampling period

Trigger level

Bottom hold function [b-2]

Measures the "minimum value" during a specified period (sampling period).
For the bottom hold function, the sampling period can be specified with the
combination of the trigger mode and delay time settings.

➮

➮

Timing diagram

■ External trigger mode

4

• The sampling period is between the UP edge of the timing input (hold-reset

• The value measured at the instant when the timing input turns ON is displayed/

For the details of the trigger mode and delay time, refer to pages 69 and 70.

For the details of flicker delay, refer to pages 70 to 73.

input) and the UP edge of the next timing input.

output.

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

■ Internal trigger mode (Example of internal trigger DOWN

• The sampling operation starts when the sampling delay time elapses after the

78

• For the internal trigger up

• The instant when the sampling starts, the strobe output turns ON.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

)

measured value falls below the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the bottom value is displayed/output.

operation, the trigger point is the instant when the

measured value exceeds the trigger level.

updating the comparator output.

E EX-V-IM

■ Flicker mode

(t)

0

ON

OFF

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first measured value is determined.

Displayed value

Internal timing

Bottom hold value

Sampling period Sampling period Sampling period Sampling period

Flicker time

(t)

0

ON

OFF

p

b

p'

b'

(p-b)

(p'-b')

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first timing signal is input.

Displayed value

Timing input

Sampling period Sampling period

Peak-to-peak
value

• The internal timing signal is input once at each flicker time and the "minimum
value" during the sampling period is displayed/output.

Peak-to-peak hold function [b-3]

Measures the "difference between the maximum and minimum values" during a
specified period (sampling period).
For the peak-to-peak hold function, the sampling period can be specified with the
combination of the trigger mode and delay time settings.

➮

For the details of the trigger mode and delay time, refer to pages 69 and 70.

➮

For the details of flicker delay, refer to pages 70 to 73.

Chapter 4 Use of Data Processing Functions

4

Timing diagram

■ External trigger mode

• The sampling period is between the UP edge of the timing input (hold-reset
input) and the UP edge of the next timing input.

• The value measured at the instant when the timing input turns ON is displayed/
output.

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

E EX-V-IM

79

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

ON

OFF

ON

OFF

p

b

p'

b'

(p-b)

(p'-b')

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first measured value is determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger point

Sampling delay

Sampling period

Trigger point

Peak-to-peak
hold value

Sampling delay

Sampling period

Trigger level

P1 b1 P2 b2 P3 b3

(P3-b3)

(P2-b2)

(P1-b1)

(t)

0

ON

OFF

When the power is turned ON or the hold-reset
signal is input, the display shows " " until
the first measured value is determined.

Displayed value

Internal timing

Sampling period

Flicker time

■ Internal trigger mode (Example of internal trigger DOWN )

• The sampling operation starts when the sampling delay time elapses after the

4

• For the internal trigger up

• The instant when the sampling starts, the strobe output turns ON.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for

measured value falls below the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the "difference between the
maximum and minimum values" is displayed/output.

operation, the trigger point is the instant when the

measured value exceeds the trigger level.

updating the comparator output.

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

■ Flicker mode

• The internal timing signal is input once at each flicker time and the "difference

80

between the maximum and minimum values" during the sampling period is
displayed/output.

E EX-V-IM

Sample hold function [b-4]

(t)

0

ON

OFF

When the power is turned ON or the hold-reset signal
is input, the display shows " " until the first timing
signal is input.

Displayed value

Timing input

Sample hold value

(t)

0

ON

OFF

ON

OFF

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first measured value is
determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger
point

Sample hold value

Sampling delay

Sampling period

Sampling delay

Sampling period

Trigger level

Timing diagram

Chapter 4 Use of Data Processing Functions

Measures the value at a specified time.
For the sample hold function, the timing can be specified with the combination of
the trigger mode and delay time settings.

➮

For the details of the trigger mode and delay time, refer to pages 69 and 70.

➮

For the details of flicker delay, refer to pages 70 to 73.

■ External trigger mode

• The value measured at the instant when the timing input turns ON is displayed/
output.

4

Reference: To clear the measured value being held, short-circuit the hold-reset
and GND terminals.

■ Internal trigger mode (Example of internal trigger up

E EX-V-IM

• The sampling operation starts when the sampling delay time elapses after the

• For the internal trigger down

• The instant when the sampling starts, the strobe output turns ON.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

)

measured value exceeds the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the measured value at the instant is
displayed/output.

operation, the trigger point is the instant when

the measured value falls below the trigger level.

updating the comparator output.

81

Chapter 4 Use of Data Processing Functions

(t)

0

ON

OFF

When the power is turned ON or the hold-reset signal
is input, the display shows " " until the first
measured value is determined.

Displayed value

Internal timing

Sample hold value

Flicker time

(t)

0

ON

OFF

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first timing signal is input.

Displayed value

Hold-reset input

Timing input

Average hold value

Sampling period Sampling periodSampling period Sampling period

■ Flicker mode

• The internal timing signal is input once at each flicker time and the value at the

Average hold function [b-5]

Measures the simple average of measured values during a specified period

4

(sampling period).
For the average hold function, the sampling period can be specified with the
combination of the trigger mode and delay time settings.

➮

➮

instant is displayed/output.

For the details of the trigger mode and delay time, refer to pages 69 and 70.

For the details of flicker delay, refer to pages 70 to 73.

Timing diagram

■ External trigger mode

• The sampling period is between the UP edge of the hold-reset input and the UP
edge of the next timing input.

• The value measured at the instant when the timing input turns ON is displayed/
output.

Reference: To start the measurement again, short-circuit the hold-reset and GND
terminals.

82

E EX-V-IM

Chapter 4 Use of Data Processing Functions

ON

OFF

ON

OFF

ON

OFF

0

(t)

When the power is turned ON or the hold-reset signal
is input, the display shows " " until the first
measured value is determined.

Displayed value

Internal data reset

Internal timing

Strobe output

Trigger
point

Average hold value

Sampling delay

Sampling period

Sampling delay

Sampling period

Trigger level

(t)

0

ON

OFF

When the power is turned ON or the hold-reset signal is input,
the display shows " " until the first measured value is
determined.

Displayed value

Internal timing

Average hold value

Sampling period Sampling period Sampling period

Flicker time

■ Internal trigger mode (Example of internal trigger up )

• The sampling operation starts when the sampling delay time elapses after the
measured value exceeds the trigger level. When the sampling period elapses,
the internal timing signal is turned ON and the measured value at the instant is
displayed/output.

• For the internal trigger down

operation, the trigger point is the instant when

the measured value falls below the trigger level.

• The instant when the sampling starts, the strobe output turns ON.

• Turning the strobe output from ON to OFF results in the off-delay of 2 ms for
updating the comparator output.

Reference: To clear the measured value being held and to start the measurement
again, short-circuit the hold-reset and GND terminals.

■ Flicker mode

4

• The internal timing signal is input once at each flicker time and the value at the

E EX-V-IM

instant is displayed/output.

83

Chapter 4 Use of Data Processing Functions

4.5.3 Measurement period [[]

This function sets or selects the sampling period to use the hold measurement.

➮

Refer to pages 70 to 73 for details.

4.5.4 Previous value comparison function [d]

Compares the average of the previously measured values with the current
measured value and displays only abrupt changes among slow changes.

➮

Refer to page 56 for details.

4

84

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4.6 Hysteresis Setting

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

OFF
ON

OFF
ON

OFF
ON

(v)

(t)

HIGH OUT

GO OUT

LOW OUT

HIGH limit value

LOW limit value

Hysteresis

With the EX-V series, the hysteresis for the comparator output (HIGH/GO/LOW
OUT) is factory-adjusted to 5 digits.
Change the hysteresis by following the procedures below when necessary.

Chapter 4 Use of Data Processing Functions

1. Press the

key.

The sensor enters the tolerance limit setting mode.

2. Press the

3. Press the

key to display "x".

key.

The sensor enters the hysteresis setting mode.

4. Press the

5. Press the

or key to set the desired hysteresis value.

key.

The sensor saves the specified hysteresis value and returns to the
measurement mode.

4

Timing diagram

The hysteresis can be set within the range of 0 to +19999 digits.

E EX-V-IM

85

Chapter 4 Use of Data Processing Functions

SET

CALL

HIGH TIM

GO

LOW

FUNC

UTILITY

MODE

CALIB

4.7 Initialization

All specified functions can be reset to the initial settings.

Note: When the functions are initialized, the adjustment data for the output
characteristics will also be erased. Be sure to adjust the output characteristics
again after the initialization. (

➮

Refer to page 9.

)

4

1. Hold down the

• The sensor displays "U-

key and turn ON the power of the sensor.

■■

".

• Now the sensor is reset to the initial settings.

➮

For the details of the initial settings, refer to "4.1 Table of Data Processing Functions" on
page 46.

*"00" displayed above is an example.

When values other than "00" are displayed,
the initialization is successful.

2. Press the key again.

The sensor enters the measurement state.

3. Turn OFF the power once and turn it ON again.

86

E EX-V-IM

Chapter 5

Troubleshooting

Explains the error messages displayed when an error has occurred, and
countermeasures to be taken.

5.1 Error Messages ................................................................... 88

5.2 Troubleshooting List .......................................................... 89

E EX-V-IM

Chapter 5 Troubleshooting

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5.1 Error Messages

When the EX-V series detects an error during the operation, it displays one of the
following error messages. Check the error and cause from the table below and take
an appropriate countermeasure to solve the problem.

5

* When the error messages other than above are displayed, contact your nearest KEYENCE office.
* The alarm output (

88

page 12) is output at Err0.

➮

E EX-V-IM

motpmyStniopkcehCerusaemretnuoC

ecnerefeR

egap

derusaeM

toneraseulav

.deyalpsid

denruttupnignimitasI

?NO

.langisgnimitatupnI–

roflevelreggirtehtsI

reggirtlanretnieht

?tesylreporp

.levelreggirtehttsujdA–

yalpsiD

sniamer

" 0000 ."

/yticirtnecceehtfI
roedomnoitarbiv
dlohkaep-ot-kaep

era,detcelessiedom

nisegnahcynaereht

eulavderusaemeht

gnilpmasehtgnirud

?doirep

edomnoitarbiv/yticirtnecceehT

edomdlohkaep-ot-kaepdna

ehtniecnereffidehtyalpsid

ehtfI.seulavderusaem

tonseodeulavderusaem

sniameryalpsideht,egnahc

" 0000 ."

–

daehrosnesehtsI

?detiucric-trohselbac

ehtnisruccotiucrictrohsanehW
ehtfoseriwgnidleihsdnaeroc
eht,elbaclaixaocdaehrosnes

"sniameryalpsid 0000 ."

.gniriwehtkcehC

–

deyalpsidehT

ootsieulav

.)llams(egral

roorez-otuaehtsI

sinoitcnuftesffo

?detceles

tesffodnaorez-otuaehT

niatrecatcartbus/ddasnoitcnuf

derusaemehtmorf/oteulav

erasnoitcnufesehtfI.eulav

ehtyrtdnamehtteser,detceles

.niagatnemerusaem

04

deyalpsidehT

sieulav

.elbatsnu

daehrosnesehtsI

?detnuomyleruces

daehrosnesehttahtkcehC

.erucessigijgnitnuom

7

" FFFF "ro"

- FFFF si"

.deyalpsid

eulavdetluserehtsI

yalpsidehtfotuo

?egnar

tonsieulavtaergynatahtkcehC

.eulavtesffonasadeificeps

04

5.2 Troubleshooting List

When the EX-V series does not function properly, check the following list and take
an appropriate countermeasure against the problem.

Chapter 5 Troubleshooting

E EX-V-IM

5

89

Chapter 5 Troubleshooting

MEMO

5

90

E EX-V-IM