Omron K3NR Operation Manual

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Cat. No. N093-E1-1A

K3NR

Frequency/Rate Meter

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K3NR Frequency/Rate Meter

Operation Manual

Revised February 2001

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Notice:

OMRON products are manufactured for use according to proper procedures by a qualified operator and only for the purposes described in this manual.

The following conventions are used to indicate and classify precautions in this manual. Always heed the information provided with them. Failure to heed precautions can result in injury to people or damage to the product.

DANGER Indicates information that, if not heeded, is likely to result in loss of life or serious injury.

WARNING Indicates information that, if not heeded, could possibly result in loss of life or serious injury.

Caution Indicates information that, if not heeded, could result in relatively serious or minor injury, dam-

age to the product, or faulty operation.

OMRON Product References

All OMRON products are capitalized in this manual. The word “Unit” is also capitalized when it refers to an OMRON product, regardless of whether or not it appears in the proper name of the product.

The abbreviation “Ch,” which appears in some displays and on some OMRON products, often means “word” and is abbreviated “Wd” in documentation in this sense.

The abbreviation “PC” means Programmable Controller and is not used as an abbreviation for anything else.

Visual Aids

The following headings appear in the left column of the manual to help you locate different types of information.

Note Indicates information of particular interest for efficient and convenient operation

of the product.

1, 2, 3... 1. Indicates lists of one sort or another, such as procedures, checklists, etc.

 OMRON, 1998

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission of OMRON.

No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is constantly striving to improve its high-quality products, the information contained in this manual is subject to change without notice. Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained in this publication.

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TABLE OF CONTENTS

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PRECAUTIONS xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 General Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Safety Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Application Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 Noise Prevention xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 1

Introduction 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1 Features 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2 Front of the Meter 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-3 Rear of the Meter 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-4 Modes 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-5 Communications Function 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 2

Setup 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-1 Mounting 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2 Input Block 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3 Output Board 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3

Operating Modes 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1 Rotational/Circumferential Speed: F1 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2 Absolute Ratio: F2 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3 Error Ratio: F3 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-4 Rotational Difference: F4 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-5 Flow Rate Ratio: F5 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6 Passing Time: F6 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-7 Pulse Counting: F7 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 4

Parameter Setting 45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1 Overview 46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2 Setting Mode 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3 Protect Mode 88. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 5

Operations in RUN Mode 99. . . . . . . . . . . . . . . . . . . . . . . . .

5-1 Displaying and Changing Setting Values 100. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2 Displaying and Resetting of Maximum and Minimum Values

(Operating Modes F1 to F6) 103. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-3 External Input Signals 104. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 6

Useful Functions 107. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-1 Teaching Function 108. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-2 Output Test 112. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-3 Maintenance Mode 113. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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TABLE OF CONTENTS

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SECTION 7

BCD Output 115. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-1 Connectors 116. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-2 Timing Charts 119. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 8

Troubleshooting 121. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-1 Items to Be Checked First 122. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-2 Display 122. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Appendices

A Specifications 125. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B Estimated Frequency Calculation 129. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C List of Settings 131. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

D Available Models 133. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E Available Parameters 135. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F Setting Examples 139. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Index 141. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Revision History 145. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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About this Manual:

This manual describes the installation and operation of the K3NR Frequency/Rate Meter and includes the sections described below.

Please read this manual carefully and be sure you understand the information provided before attempting to install and operate the K3NR.

Section 1 describes the functions of the K3NR. The main components are also described.

Section 2 provides instructions required for mounting and wiring the K3NR.

Section 3 provides instructions for setting the parameters of the K3NR.

Section 4 provides instructions for operating the K3NR in RUN mode.

Section 5 provides information on the teaching function, output test, and maintenance mode.

Section 6 provides information on the use of the K3NR with the BCD Output Board.

Section 7 provides information for troubleshooting the K3NR

The Appendices provide specifications, a list of settings, a list of standard models, and a list of available menu items.

WARNING Failure to read and understand the information provided in this manual may result in

personal injury or death, damage to the product, or product failure. Please read each section in its entirety and be sure you understand the information provided in the section and related sections before attempting any of the procedures or operations given.

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PRECAUTIONS

This section provides precautions for using the K3NR Frequency/Rate Meter and related devices.

The information contained in this section is important for the safe and reliable application of the K3NR. You must read this section and understand the information contained before attempting to set up or operate the K3NR.

1 General Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Safety Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Application Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 Noise Prevention xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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3SectionApplication Precautions

xii

1 General Precautions

The user must operate the product according to the performance specifications described in the operation manuals.

Before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems, machines, and equipment that may have a serious influence on lives and property if used improperly, consult your OMRON representative.

Be sure to read this manual before attempting to use the product and keep this manual close at hand for reference during operation.

2 Safety Precautions

WARNING Never attempt to disassemble any Units while power is being supplied. Doing so

may result in serious electrical shock or electrocution.

WARNING Never touch any of the terminals while power is being supplied. Doing so may

result in serious electrical shock or electrocution.

3 Application Precautions

Observe the following precautions when using the product.

• Always use the power supply voltage specified in the specifications.

• Do not use the product in locations subject to flammable gases or combustible

objects.

• Be sure to confirm terminal names when wiring.

• Be sure to tighten the screws on the terminal blocks.

Observe the following precautions when mounting the product.

• Mount the product on level surfaces.

• Mount the product on a panel which has a thickness of 1 to 3.2 mm.

Do not mount the product in the following places.

• Locations subject to strong shock or vibration.

• Locations subject to temperature or humidity exceeding the rated levels or

where icing is liable to occur.

• Locations subject to dust.

• Locations subject to corrosive gases (particularly sulfuric gases or ammonium

gases).

• Locations subject to direct sunlight or outdoor conditions.

• Locations near devices (high-frequency welders or high-frequency sewing

machines) that produce high-frequency noise.

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4SectionNoise Prevention

xiii

4 Noise Prevention

Provide the following countermeasures when using the product in an environment where the product is exposed to noise.

• Countermeasures for protecting the product against high-frequency noise or

abnormal voltages.

Line filter

Frequency/Rate Meter

Power input

Signal input

+++

–

Frequency/Rate Meter

• Countermeasures for protecting the product against inductive noise produced

from the input line.

2-conductor shield wire

Frequency/Rate Meter

–

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SECTION 1

Introduction

This section describes the functions of the K3NR. The main components are also described. Refer to the remaining sections of this manual for the operation of the K3NR and its menus in detail.

1-1 Features 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2 Front of the Meter 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-3 Rear of the Meter 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-4 Modes 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-5 Communications Function 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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1-1 Features

The K3NR Frequency/Rate Meter displays desired values after converting input pulses.

The K3NR has the following functions.

Operating mode Function

1 Displays rotational or circumferential speed of a single input.

2 to 5 Displays the calculation results of two rotational inputs.

6 Displays passing time calculated from the frequency and process length of a single input.

7 Counts and displays the number of pulses.

Measurement The internal system clock counts the ON/OFF time (T) of sensor input or other

input and automatically calculates the frequency. The number of revolutions is calculated from the result of the frequency multiplied by 60.

Sensor input pulse ON/OFF time (T) =

Frequency (f) =

• Rotational speed (rpm) = f x 60

• Circumferential speed = Circumference x revolutions

• Passing time = Length of processing/Circumferential speed

• Pulse counting

If there is any pulse input, the input will be automatically converted numerically and displayed.

Prescaling The number of input pulses is converted into a desired value.

Enables the K3NR to display the revolutions or rotational speed. It is necessary to multiply the number of pulses per revolution or circumference by a certain factor. This factor is called the prescaling value.

Example:

Proximity Sensor

K3NR

rpm = f x 60 x a f: Input pulse frequency (number of pulses per second) a: Prescale value If there are five pulses per rotation, the accurate rotational speed can be calculated if a = 1/5 (– 0.2=2 x 10

–1

Comparison output patterns can be selected from the standard, level, or zone output depending on the application.

Refer to Comparative Output Patterns, page 80.

Refer to Linear Output Range, page 83.

BCD Output A digital data output format where every four binary bits is numerically equivalent

to one decimal digit. Refer to Section 7 BCD Output.

Refer to the Communications Manual.

HOLD is an external input which is used to stop the A/D process and freeze the display. The comparative, linear, and BCD outputs are also retained.

Refer to 5-3 External Input Signals for details.

Comparative Output Selection

Linear Output

Communications Output

HOLD

Features Section 1-1

Page 14

RESET is an external input to reset the present max./min. values and counting values. The process value when the RESET is ON is set as the maximum and minimum values. The counting value is reset to zero. The max./min. values and counting values can be reset using the front panel keys.

Refer to pages 104 and 105.

Teaching The K3NR is provided with a teaching function that can set an actual measured

value as a setting value without key input.

This function is useful for setting parameters while checking the operating status of the K3NR.

The teaching function can be used to set the set and prescaling values. It can be also used to set the linear output range of the K3NR with a Linear Output Board.

Refer to 6-1 Teaching Function for details.

Output Test This function is convenient for checking a system to which the K3NR is con-

nected, especially when some inputs cannot be operated. The K3NR simulates an input to check the output conditions.

Refer to 6-2 Output test for details.

Hysteresis The established setting value includes a hysteresis setting to prevent “chatter-

ing” of the output when the measured value fluctuates in the vicinity of the setting values.

Hysteresis is enabled when the measured value is starts to become smaller than the HH and H setting values and larger than the LL and L setting values.

Refer to Hysteresis, page 78.

Startup Compensation Time The startup compensation time parameter keeps the measurement operation

from sending an unnecessary output corresponding to instantaneous, fluctuating input from the moment the K3NR is turned ON until the end of the preset period.

Refer to Startup Compensation Time, page 74.

Remote/Local Selection The K3NR can be operated remotely through a host computer or locally with key

inputs.

Remote Mode: For programming remotely by downloading setup parameters

from a host computer via RS-232C, RS-485, or RS-422.

Local Mode: Programming is performed with the front panel key input.

Refer to Remote/Local Programming, page 86.

Setting process time for averaging measured value prevents the display from fluctuating due to unstable input.

Refer to Process Time for Averaging Measured Value, page 72.

Auto-Zero Time The input pulse frequency does not drop to zero perfectly due to the estimated

frequency calculation of the K3NR. Therefore, the K3NR has a function to calibrate the frequency to zero forcibly should no input pulse be received for a certain period. The period during which no pulse is received before the K3TR sets the frequency to zero is called “auto-zero time.”

Refer to page 62.

RESET

Process Time for Averaging Measured Value

Features Section 1-1

Page 15

1-2 Front of the Meter

Comparative output status indicators

PV display

Mode Key

Status indicators

SV display status indicators

Teaching indicator

Unit of measure

SV display

Shift Key

Escape Key

Up Key

RESET/TEACH Key

Five-digit (–19999 to 99999), seven-segment, 14.2-mm-high LED display with a programmable decimal point.

The displays show the process value, maximum value, minimum value, operations/parameters when setting, and error messages.

PV Display K3NR-jjjA Basic Model

RUN Mode: Displays the process, maximum, and minimum values. Also

displays setting values while the SV indicator is lit. When changing a value, all digits other than those that can be set become dimmer.

Setting Mode: Displays the menu, parameter, or setting value. When chang-

ing a value, all digits other than those that can be set become dimmer.

K3NR-jjjC Set Value LED Display Model

RUN Mode: Displays the process, maximum, and minimum values.

Setting Mode: Displays the menu and parameters.

RUN Mode: Displays comparative set values. When changing a value, all

digits other than those that can be set become dimmer.

Setting Mode: Displays setting values. When changing a value, all digits other

than those that can be set become dimmer.

Indicates the status of the comparative output.

SV Display (Setting value LED Display Models Only)

Comparative Output Status Indicators

Front of the Meter

Section 1-2

Page 16

Status Indicators HOLD Indicator

Lit when the HOLD input signal is ON.

MAX Indicator

Lit when the value displayed on the PV display is the maximum value.

MIN Indicator

Lit when the value displayed on the PV display is the minimum value.

PROG Indicator

Lit when the setting mode menu is displayed. The indicator flashes while parameters are displayed.

Teaching Indicator Lit when displayed parameters can be set in teaching operation. The indicator

flashes when the process value is indicated as a setting value.

SV Display Status Indicators Indicates which set value is on the PV or SV display.

Unit of Measure Attach the appropriate label showing the unit of measure (enclosed).

Used to select the process, maximum, or minimum value to be displayed on the PV display in RUN mode.

Process value Maximum value Minimum value

ESC ESC

Used to return from the setting, protect, or maintenance mode to the RUN mode.

This key is also used to return to the previous operation during the setting, protect, or maintenance mode.

Displays a setting value (out of HH, H, L, and LL setting values in this order) on the PV display in RUN mode when this key is pressed. Unless another operation key is pressed within five seconds after this key has been pressed, the display automatically changes to the one for process values.

Process value Maximum value Minimum value

HH is lit.

HH setting value

H setting value

L setting value

LL setting value

H is lit. L is lit. LL is lit.

No key input for 5 seconds.

In the RUN mode, this button terminates the measurement process and allows you to enter the setting mode, advancing through the menus and parameters.

Menu 1 Menu 2

Menu n

Parameter 1 Parameter 2 Parameter n

In the setting mode, this button will store changes in the non-volatile memory while at the same time advancing the display to the next menu item.

Escape Key

Mode Key

Front of the Meter

Section 1-2

Page 17

Used to select a parameter to be displayed for setting value change.

Used to increment the current digit in the setting value by one.

The value increases in the following order: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, (–1), and (–)

Only the leftmost digit will be displayed if the value is set to “–1” or“ –.” The value will be set to 0 if this key is pressed when “9” or “–” is displayed.

Used to change the parameter displayed in setting mode.

Used to scroll the digit to the right of the presently displayed digit.

Used to reset the maximum value, minimum value, or counting value in RUN mode.

Used to select the teaching function. Refer to 6-1 Teaching Function for details.

Up Key

Shift Key

RESET/TEACH Key

Front of the Meter

Section 1-2

Page 18

1-3 Rear of the Meter

Terminal arrangement varies depending on the selected Output Board.

For wiring, refer to Section 2 Setup.

K3NR with Relay Output Board, K31-C1, -C2, -C5 K3NR with Transistor Output Board, K31-T1, -T2 K3NR with Linear Output Board, K31-L1, -L2, -L3, -L4, -L5, -L6, -L7, -L8, -L9, -L10 K3NR with RS-485 Output Board, K31-FLK2, -FLK5

Output Board

Input Board

K3NR with BCD Output Board, K31-B2, -B4

Output Board

Input Board

K3NR with RS-232C Output Board, K31-FLK1

Communications Output Board

Input Board

Rear of the Meter

Section 1-3

Page 19

K3NR with RS-422 Output Board, K31-FLK3

Communications Output Board

Terminator

Input Board

K3NR with RS232C + Transistor Output Board, K31-FLK4 K3NR with RS-422 + Transistor Output Board, K31-FLK6

Communications Output Board

Terminator

Input Board

Transistor Output Board

1-4 Modes

The following four modes are available.

• RUN mode for normal operations (see Section 5 Operations in RUN Mode)

• Setting mode for initializing parameter input (see Section 4 Parameter Setting)

• Protect mode for lock-out configuration (see 4-1 Protect Mode)

• Maintenance mode for initialization (see 6-3-2 Initialization)

Refer to the following for the relationship among these modes and selection of the modes.

RUN mode

Press the Mode and Shift Keys while turning on the K3NR.

Power on

Press the Escape and up Keys for 1 second.

Maintenance mode

RUN mode

1 second

Setting mode

Protect mode

RUN Mode K3NR is in RUN when the K3NR is turned ON.

The K3NR in this mode provides an output signal as a result of the comparison of the measured and setting values.

Modes

Section 1-4

Page 20

The basic model in this mode usually displays the process value. The maximum and minimum values are displayed by pressing the Escape Key. The parameters and setting values are displayed by pressing the Mode Key.

Refer to Section 5 Operations in RUN Mode for RUN mode in detail.

Setting Mode Values are set in the K3NR in this mode by key input or using the teaching func-

tion.

Refer to Section 4 Parameter Setting for value setting by key input and 6-1 Teaching Function for the teaching function in detail.

Protect Mode Use this mode to prohibit some operations in order to lock out the setting values.

Refer to 4-1 Protect Mode for details.

Maintenance Mode The setting values are reset to factory-set values in this mode. Refer to 6-3-2

Initialization for details.

1-5 Communications Function

The communications function of the K3NR makes it possible for the host computer to perform the following operations.

• Confirmation and change of setting values. Communications conditions can-

not be changed.

• Reading and resetting the maximum and minimum values.

• Confirmation of model data.

Use a model with the Communications Board if the communications function is required. Refer to the Communications Manual for the communications function in detail.

RS-232C Use the K31-FLK1 or K31-FLK4 Output Board to use the RS-232C interface.

RS-422 Use the K31-FLK3 or K31-FLK6 Output Board to use the RS-422 interface.

RS-485 Use the K31-FLK2 or K31-FLK5 Output Board to use the RS-485 interface.

Communications Function

Section 1-5

Page 21

SECTION 2

Setup

This section provides instructions required for mounting and wiring the K3NR.

2-1 Mounting 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2 Input Block 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2-1 Terminal Arrangement 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2-2 Wiring Precautions 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2-3 Wiring 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3 Output Board 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3-1 Terminal Arrangement 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3-2 Relay Output Board 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3-3 Transistor and Combination Output Board 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3-4 Linear Output Board 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3-5 BCD Output Board 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 22

2-1 Mounting

Dimensions All dimensions are in millimeters.

14.2 mm

8.2 mm

PV LED Indicator Size

Panel Cutouts

+0.8 –0

120 min.

75 min.

Recommended panel thickness is 1 to 3.2 mm.

Do not mount more than one Unit closely in the horizontal or vertical direction. Be sure to keep the distance between adjacent Units.

Mounting Section 2-1

Page 23

Mounting Method

Panel

1, 2, 3... 1. Insert the K3NR into the mounting hole on the panel.

2. Hook the fixture claws onto the side holes.

3. Mount a fixing metal to the right and left sides as shown above and while keeping them in balance, alternately tighten each screw until the ratchet becomes idle.

2-2 Input Block

2-2-1 Terminal Arrangement

Sensor power supply (80 mA max. at 12 VDC)

Open collector input

Voltage pulse input

100 to 240 to VAC

12 to 24 VDC

Note Voltage pulse input is available for the K3NR-NBjj-jj.

Input Block

Section 2-2

Page 24

2-2-2 Wiring Precautions

• Do not make any mistake in polarity when supply DC power to the K3NR.

• Do not wire power lines alongside the signal lines of the K3NR in order to pre-

vent the K3NR from noise interference.

• Wire the terminal block with crimp terminals.

• Tighten each screw to a torque of 0.78 N S m (8 kgf S cm).

2-2-3 Wiring

Power Supply Apply 100 to 240 VAC or 12 to 24 VDC to terminals 8 and 9.

Open Collector Input Connect the pulse output from sensor A to terminal 1.

Connect the pulse output from sensor B to terminal 2.

Terminals 10 and 11 are exclusively used for a power supply with an output of 80 mA at 12 VDC to sensor A or B. If power is supplied to the sensor A or B from a different power source, do not use terminal 10. Do not connect a sensor with open collector output to terminal 10.

Refer to the following for sensor connections.

Sensor (with NPN output)

Sensor (with PNP output)

+12 V

• Residual voltage with sensor turned on: 3 V max.

• Current leakage with sensor turned off: 1.5 mA max.

• Switching load current: 20 mA or greater. Must be able to dependably switch

a load current of 5 mA max.

Photoelectric sensors, proximity sensors, rotary encoders, and relays can be connected as sensors to the K3NR.

Voltage Pulse Input Connect the pulse output of sensor A to terminal 3.

Connect the pulse output of sensor B to terminal 4.

Refer to the following for sensor connections.

Sensor

+12 V

H level (sensor output ON): 4.5 to 30 VDC L level (sensor output OFF): –30 to 2 VDC

Auxiliary Power Supply Terminals 10 and 11 are exclusively used for power supply to sensors with an

output of 80 mA at 12 VDC ± 10%.

Input Block

Section 2-2

Page 25

External Signal Input HOLD Input

RESET Input BANK Input

Connect external signal inputs to terminals 5 through 7 and 13 through 15. Terminals 7 and 13 are connected to each other internally.

Short-circuited together internally.

Connect HOLD input to terminal 5.

Connect RESET input to terminal 6.

Connect BANK inputs to terminals 14 and 15 for BANK1 and BANK2.

If open collector input is used as external signal input, the transistor must satisfy the following conditions.

• Residual voltage with transistor turned on: 3 V max.

• Current leakage with transistor turned off: 1.5 mA max.

• Switching load current: 20 mA or greater.

Approximately 5 V is imposed between COM and terminals 5 to 7 with a current flow of approximately 18 mA (a nominal value) at the time of external input shortcircuiting.

Input Block

Section 2-2

Page 26

2-3 Output Board

2-3-1 Terminal Arrangement

K3NR with Relay Output Board, K31-C1, -C2. -C5 K3NR with Transistor Output Board, K31-T1, -T2 K3NR with Linear Output Board, K31-L1, -L2, -L3, -L4, -L5, -L6, -L7, -L8, -L9, -L10 K3NR with RS-485 Output Board, K31-FLK2, -FLK5

K3NR with BCD Output Board, K31-B2, -B4

K3NR with RS232C + Transistor Output Board, K31-FLK4

Output Board

Section 2-3

Page 27

K3NR with RS-422 + Transistor Output Board, K31-FLK6

K3NR with RS-232C Output Board, K31-FLK1

K3NR with RS-422 Output Board, K31-FLK3

Output Board

Section 2-3

Page 28

2-3-2 Relay Output Board

The following figures show the connections for relay output.

K3NR with 3 Relay Output Boards, K31-C1

K3NR with 5 Relay Output Boards, K31-C2

H comparative output

HH comparative output

H comparative output

PASS output

L comparative output

LL comparative output

HH comparative output

PASS output

LL comparative output

H comparative output

L comparative output

K3NR with 5 Relay Output Boards, K31-C5

The following contact output conditions are required.

5 A (resistive load) at 250 VAC

1.5 A (inductive load) at 250 VAC 5 A (resistive load) at 30 VDC

1.5 A (inductive load) at 30 VDC

Output Board

Section 2-3

Page 29

2-3-3 Transistor and Combination Output Board

HH comparative output

H comparative output

PASS output

L comparative output

LL comparative output

HH comparative output

H comparative output

PASS output

L comparative output

LL comparative output

HH comparative output

H comparative output

PASS output

L comparative output

LL comparative output

K3NR with Transistor Output Board, K31-T1 or K31-T2

K3NR with Linear Output Board, K31-L4, -L5, -L6, -L9, -L10

K3NR with RS-485 + 5 Relay Output Boards, K31-FLK5

K3NR with BCD Output Board, K31-B2 or K31-B4

K3NR with RS232C + 5 Transistor Output Boards, K31-FLK4

K3NR with RS-422 + 5 Transistor Output Boards, K31-FLK6

COM

The following transistor output conditions are required.

Maximum rated voltage: 24 VDC Load current: 50 mA Current leakage with transistor turned off: 100 µA

2-3-4 Linear Output Board

The following figures show connections for linear output.

K3NR with Linear Output Board, K31-L1 or K31-L4

K3NR with Linear Output Board, K31-L2 or K31-L5

4 to 20 mA 1 to 5 V

–

K3NR with Linear Output Board, K31-L3 or K31-L6

1 mV/10 digit

–

The following linear output conditions are required.

Linear output Permissible load

resistance

Resolution Output error

4 to 20 mA 600 Ω max. 4096 ±0.5% FS

1 to 5 V 500 Ω min. 4096 ±0.5% FS

1 mV/10 digit 1 kΩ min. 4096 ±1.5% FS

2-3-5 BCD Output Board

Refer to Section 7 BCD Output for the terminal arrangement and interface.

Output Board

Section 2-3

Page 30

SECTION 3

Operating Modes

This section provides information on the basic functions of each operating mode.

3-1 Rotational/Circumferential Speed: f1 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2 Absolute Ratio: f2 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3 Error Ratio: f3 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-4 Rotational Difference: f4 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-5 Flow Rate Ratio: f5 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6 Passing Time: f6 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-7 Pulse Counting: f7 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 31

3-1 Rotational/Circumferential Speed: f1

Application example

Measures the rotations of the roll.

Basic Operation

Multiplies the input frequency (Hz) of INA by 60 and displays the result in rpm. When the appropriate prescale value is selected, the rotational speed of the object is displayed. Obtain display value D as follows:

D = f

x 60 x α

fA: Input frequency of INA (Hz) α: Prescale value

INB input will be ignored.

Item Unit of display Prescale value

Rotations rpm 1/N

rps 1/60N

Frequency of input pulse

Hz 1/60

kHz 1/60000

Rotational speed mm/s

1000πd/60N

cm/s

100πd/60N

m/s

πd/60N

m/min

πd/N

km/h

0.06πd/N

Where, N: Number of pulses per rotation πD: Length (m) of one rotation

Example: Displaying rotations (rpm) on condition that there are two pulses per revolution.

Prescaling value (α) = 1/2 = 0.5 = 5.0000 x 10

–1

Prescale value = X x 10Y (X: mantissa, Y: exponent) X (mantissa) of input A = 5.0000 Y (exponent) of input A = –1

Refer to 4-2 Setting Mode.

FUNCTION

SETTING

REFERENCE

Rotational/Circumferential Speed: f1

Section 3-1

Page 32

Hold Measured Value When the HOLD input is turned ON, measurement stops and the input mea-

sured just before the HOLD input turned ON is held. While the HOLD input is ON, the K3NR holds display output, comparative output, and BCD output.

When the comparative output from the Output Board is connected to the HOLD input terminal, the value measured immediately after the occurrence of an error can be obtained.

Performance Characteristics

Accuracy of measurement

±0.006% rdg ± 1 digit (ambient temperature: 23°C ± 5°C)

Measurement range Sensor with transistor output: 0.5 mHz to 50 kHz

Sensor with relay output: 0.5 mHz to 30 Hz

ON/OFF pulse width

Sensor with transistor output: 9 µs min. Sensor with relay output: 15 ms min.

Response time Output configuration

Relay output Transistor

output

BCD and

transistor output

Linear and

transistor output

Communication

and transistor

output

Comparative output 200 ms max.

BCD output --- --- Refer to page 115. --- ---

Linear output --- --- --- 220 ms max. ---

Rotational/Circumferential Speed: f1

Section 3-1

Page 33

Available functions in this mode are indicated as “Yes” in the following table.

Menu Function Displayed

Character

Availability Reference

page

---

Max./Min. value display and reset --- Yes 103

Estimated frequency calculation --- Ye s 129

sUset

Set value bank no. of set values

s.bank

Yes 50

(See note 2)

HH set value

sU*.hh

H set value

sU*. h

L set value

sU*. l

LL set value

sU*.ll

pscl

Select bank no. of prescale value

p.bank

Yes

Prescaling value of input A X (mantissa) Y (exponent)

ps*.ax ps*.ay

Yes

Prescaling value of input B X (mantissa) Y (exponent)

ps*.bx ps*.by

Decimal point position

decp.*

Yes

setup

Operating mode

func

Yes 58

Input A sensor type

ina

Yes

Input B sensor type

inb

Auto zero time of input A X (mantissa) Y (exponent)

=ro.ax =ro.ay

Yes

Auto zero time of input B X (mantissa) Y (exponent)

=ro.bx =ro.by

Display time unit

time

No 65

Communications unit no. (See note 1)

uĆno

Yes

Baud rate (See note 1)

bps

Yes

Word length (See note 1)

len

Yes

Stop bits (See note 1)

sbit

Yes

Parity bits (See note 1)

prty

Yes

opt

Process time for averaging measured value

aUg

Yes 72

Startup compensation time

stime

Yes 74

Power failure memory

memo

No 76

Hysteresis (See note 1)

hys

Yes 78

Comparative output pattern (See note 1)

cĆout

Yes 80

H linear output range (See note 1)

lset.h

Yes

L Linear output range (See note 1)

lset.l

Yes

Remote/Local programming (See note 1)

rĆl

Yes 86

Note 1. The availability of the parameters depends on the type of selected Output

Board.

2. The selected bank number will be displayed where an asterisk (*) appears.

Available Functions

Rotational/Circumferential Speed: f1

Section 3-1

Page 34

3-2 Absolute Ratio: f2

Operation example

Measures the rotation ratio of the rolls.

Basic Operation

Displays the absolute ratio of the frequencies of INA and INB in percentage. Obtain display value D as follows:

D (%) =

B x

A x

x 100

: Input frequency of INA (Hz)

: Input frequency of INB (Hz)

α: Prescale value of INA β: Prescale value of INB

Mode Unit of display Prescale value

Absolute ratio % Na and Nb or

πda/Na and πdb/Nb

Where, Na: Number of pulses per revolution from A input Nb: Number of pulses per revolution from B input

πda: Circumference (m) per revolution for A input πdb: Circumference (m) per revolution for B input

Example: Displaying absolute revolution rate using two rotary encoders each with 1,000 output pulses per revolution.

Prescale value of INA (α) = 1/1000 = 0.001 = 1.0000 x 10

–3

Prescale value of INB (β) = 1/1000 = 0.001 = 1.0000 x 10

–3

Prescale value = X x 10Y (X: mantissa, Y: exponent) X (mantissa) of input A = 1.0000 Y (exponent) of input A = –3 X (mantissa) of input B = 1.0000 Y (exponent) of input B = –3

Refer to 4-2 Setting Mode.

FUNCTION

SETTING

REFERENCE

Absolute Ratio: f2

Section 3-2

Page 35

Hold Measured Value When the HOLD input is turned ON, measurement stops and the input mea-

sured just before the HOLD input turned ON is held. While the HOLD input is ON, the K3NR holds display output, comparative output, and BCD output.

When the comparative output from the Output Board is connected to the HOLD input terminal, the value measured immediately after the occurrence of an error can be obtained.

Performance Characteristics

Accuracy of measurement

±0.02% rdg ± 1 digit (ambient temperature: 23°C ± 5°C)

Measurement range Sensor with transistor output: 0.5 mHz to 50 kHz

Sensor with relay output: 0.5 mHz to 30 Hz

ON/OFF pulse width

Sensor with transistor output: 9 µs min. Sensor with relay output: 15 ms min.

Response time Output configuration

Relay output Transistor

output

BCD and

transistor output

Linear and

transistor output

Communication

and transistor

output

Comparative output 200 ms max.

BCD output --- --- Refer to page 115. --- ---

Linear output --- --- --- 220 ms max. ---

Absolute Ratio: f2

Section 3-2

Page 36

Available functions in this mode are indicated as “Yes” in the following table.

Menu Function Displayed

Character

Availability Reference

page

---

Max./Min. value display and reset --- Yes 103

Estimated frequency calculation --- Ye s 129

sUset (See note 2)

Set value bank no. of set values

s.bank

Yes 50

(See note 2)

HH set value

sU*.hh

H set value

sU*. h

L set value

sU*. l

LL set value

sU*.ll

pscl

Select bank no. of prescale value

p.bank

Yes

Prescaling value of input A X (mantissa) Y (exponent)

ps*.ax ps*.ay

Yes

Prescaling value of input B X (mantissa) Y (exponent)

ps*.bx ps*.by

Yes

Decimal point position

decp.*

Yes

setup

Operating mode

func

Yes 58

Input A sensor type

ina

Yes

Input B sensor type

inb

Yes

Auto zero timer of input A X (mantissa) Y (exponent)

=ro.ax =ro.ay

Yes

Auto zero timer of input B X (mantissa) Y (exponent)

=ro.bx =ro.by

Yes

Display time unit

time

No 65

Communications unit no. (See note 1)

uĆno

Yes

Baud rate (See note 1)

bps

Yes

Word length (See note 1)

len

Yes

Stop bits (See note 1)

sbit

Yes

Parity bits (See note 1)

prty

Yes

opt

Process time for averaging measured value

aUg

Yes 72

Startup compensation time

stime

Yes 74

Power failure memory

memo

No 76

Hysteresis (See note 1)

hys

Yes 78

Comparative output pattern (See note 1)

cĆout

Yes 80

H linear output range (See note 1)

lset.h

Yes

L Linear output range (See note 1)

lset.l

Yes

Remote/Local programming (See note 1)

rĆl

Yes 86

Note 1. The availability of the parameters depends on the type of selected Output

Board.

2. The selected bank number will be displayed where an asterisk (*) appears.

Available Functions

Absolute Ratio: f2

Section 3-2

Page 37

3-3 Error Ratio: f3

Application example

Measures the speed of the conveyor belts and the error ratio in the rotation of the conveyor belts.

Basic Operation

Displays the error ratio of the frequency of INA and INB in percentage. Obtain display value D as follows:

D (%) =

x 100

x β – fA x α

x α

: Input frequency of INA (Hz)

: Input frequency of INB (Hz)

α: Prescale value of INA β: Prescale value of INB

Mode Unit of display Prescale value

Error ratio % Na and Nb or

πda/Na and πdb/Nb

Where, Na: Number of pulses per revolution from A input Nb: Number of pulses per revolution from B input

πda: Circumference (m) per revolution for A input πdb: Circumference (m) per revolution for B input

Example: Displaying error ratio of two conveyor speeds (m/min) using two rotary encoders each with 100 output pulses per revolution and a circumference of

0.125 m.

Prescale value of INA (α) = 0.125/100 = 0.00125 = 1.2500 x 10

–3

Prescale value of INB (β) = 0.125/100 = 0.00125 = 1.2500 x 10

–3

Prescale value = X x 10Y (X: mantissa, Y: exponent) X (mantissa) of input A = 1.2500 Y (exponent) of input A = –3 X (mantissa) of input B = 1.2500 Y (exponent) of input B = –3

Refer to 4-2 Setting Mode.

FUNCTION

SETTING

REFERENCE

Error Ratio: f3

Section 3-3

Page 38

Hold Measured Value When the HOLD input is turned ON, measurement stops and the input mea-

sured just before the HOLD input turned ON is held. While the HOLD input is ON, the K3NR holds display output, comparative output, and BCD output.

When the comparative output from the Output Board is connected to the HOLD input terminal, the value measured immediately after the occurrence of an error can be obtained.

Performance Characteristics

Accuracy of measurement

±0.02% rdg ± 1 digit (ambient temperature: 23°C ± 5°C)

Measurement range Sensor with transistor output: 0.5 mHz to 50 kHz

Sensor with relay output: 0.5 mHz to 30 Hz

ON/OFF pulse width

Sensor with transistor output: 9 µs min. Sensor with relay output: 15 ms min.

Response time Output configuration

Relay output Transistor

output

BCD and

transistor output

Linear and

transistor output

Communication

and transistor

output

Comparative output 200 ms max.

BCD output --- --- Refer to page 115. --- ---

Linear output --- --- --- 220 ms max. ---

Error Ratio: f3

Section 3-3

Page 39

Available functions in this mode are indicated as “Yes” in the following table.

Menu Function Displayed

Character

Availability Reference

page

---

Max./Min. value display and reset --- Yes 103

Estimated frequency calculation --- Ye s 129

sUset

Set value bank no. of set values

s.bank

Yes 50

(See note 2)

HH set value

sU*.hh

H set value

sU*. h

L set value

sU*. l

LL set value

sU*.ll

pscl

Select bank no. of prescale value

p.bank

Yes

Prescaling value of input A X (mantissa) Y (exponent)

ps*.ax ps*.ay

Yes

Prescaling value of input B X (mantissa) Y (exponent)

ps*.bx ps*.by

Yes

Decimal point position

decp.*

Yes

setup

Operating mode

func

Yes 58

Input A sensor type

ina

Yes

Input B sensor type

inb

Yes

Auto zero time of input A X (mantissa) Y (exponent)

=ro.ax =ro.ay

Yes

Auto zero time of input B X (mantissa) Y (exponent)

=ro.bx =ro.by

Yes

Display time unit

time

No 65

Communications unit no. (See note 1)

uĆno

Yes

Baud rate (See note 1)

bps

Yes

Word length (See note 1)

len

Yes

Stop bits (See note 1)

sbit

Yes

Parity bits (See note 1)

prty

Yes

opt

Process time for averaging measured value

aUg

Yes 72

Startup compensation time

stime

Yes 74

Power failure memory

memo

No 76

Hysteresis (See note 1)

hys

Yes 78

Comparative output pattern (See note 1)

cĆout

Yes 80

H linear output range (See note 1)

lset.h

Yes

L Linear output range (See note 1)

lset.l

Yes

Remote/Local programming (See note 1)

rĆl

Yes 86

Note 1. The availability of the parameters depends on the type of selected Output

Board.

2. The selected bank number will be displayed where an asterisk (*) appears.

Available Functions

Error Ratio: f3

Section 3-3

Page 40

3-4 Rotational Difference: f4

Application example

Measures the rotational difference of the conveyor belts.

Basic Operation

Displays the rotational difference of INA and INB. Obtain display value D as follows:

D (rpm) = f

x 60 x β – fA x 60 x α

: Input frequency of INA (Hz)

: Input frequency of INB (Hz)

α: Prescale value of INA β: Prescale value of INB

Mode Unit of display Prescale value

Rotational Difference

rpm INA 1/60Na

INB 1/60Nb

Hz (Input pulse frequency)

INA 1/60

INB 1/60

mm/sec INA

1000πda/60Na

INB

1000πdb/60Nb

m/sec INA

πda/60Na

INB

πdb/60Nb

m/min INA

πda/Na

INB

πdb/Nb

Where, Na: Number of pulses per revolution from A input Nb: Number of pulses per revolution from B input

πda: Circumference (m) per revolution for A input πdb: Circumference (m) per revolution for B input

Example: Displaying error in frequency (Hz) using two rotary encoders each with 100 output pulses per revolution.

Prescale value of INA (α) = 1/60 = 0.01666... 8 1.6666 x 10

–2

Prescale value of INB (β) = 1/60 = 0.01666... 8 1.6666 x 10

–2

Prescale value = X x 10Y (X: mantissa, Y: exponent) X (mantissa) of input A = 1.6666 Y (exponent) of input A = –2 X (mantissa) of input B = 1.6666 Y (exponent) of input B = –2

FUNCTION

SETTING

Rotational Difference: f4

Section 3-4

Page 41

Refer to 4-2 Setting Mode.

Hold Measured Value When the HOLD input is turned ON, measurement stops and the input mea-

sured just before the HOLD input turned ON is held. While the HOLD input is ON, the K3NR holds display output, comparative output, and BCD output.

When the comparative output from the Output Board is connected to the HOLD input terminal, the value measured immediately after the occurrence of an error can be obtained.

Performance Characteristics

Accuracy of measurement

±0.02% rdg ± 1 digit (ambient temperature: 23°C ± 5°C)

Measurement range Sensor with transistor output: 0.5 mHz to 50 kHz

Sensor with relay output: 0.5 mHz to 30 Hz

ON/OFF pulse width

Sensor with transistor output: 9 µs min. Sensor with relay output: 15 ms min.

Response time Output configuration

Relay output Transistor

output

BCD and

transistor output

Linear and

transistor output

Communication

and transistor

output

Comparative output 200 ms max.

BCD output --- --- Refer to page 115. --- ---

Linear output --- --- --- 220 ms max. ---

REFERENCE

Rotational Difference: f4

Section 3-4

Page 42

Available functions in this mode are indicated as “Yes” in the following table.

Menu Function Displayed

Character

Availability Reference

page

---

Max./Min. value display and reset --- Yes 103

Estimated frequency calculation --- Ye s 129

sUset

Set value bank no. of set values

s.bank

Yes 50

(See note 2)

HH set value

sU*.hh

H set value

sU*. h

L set value

sU*. l

LL set value

sU*.ll

pscl

Select bank no. of prescale value

p.bank

Yes

Prescaling value of input A X (mantissa) Y (exponent)

ps*.ax ps*.ay

Yes

Prescaling value of input B X (mantissa) Y (exponent)

ps*.bx ps*.by

Yes

Decimal point position

decp.*

Yes

setup

Operating mode

func

Yes 58

Input A sensor type

ina

Yes

Input B sensor type

inb

Yes

Auto zero time of input A X (mantissa) Y (exponent)

=ro.ax =ro.ay

Yes

Auto zero time of input B X (mantissa) Y (exponent)

=ro.bx =ro.by

Yes

Display time unit

time

No 65

Communications unit no. (See note 1)

uĆno

Yes

Baud rate (See note 1)

bps

Yes

Word length (See note 1)

len

Yes

Stop bits (See note 1)

sbit

Yes

Parity bits (See note 1)

prty

Yes

opt

Process time for averaging measured value

aUg

Yes 72

Startup compensation time

stime

Yes 74

Power failure memory

memo

No 76

Hysteresis (See note 1)

hys

Yes 78

Comparative output pattern (See note 1)

cĆout

Yes 80

H linear output range (See note 1)

lset.h

Yes

L Linear output range (See note 1)

lset.l

Yes

Remote/Local programming (See note 1)

rĆl

Yes 86

Note 1. The availability of the parameters depends on the type of selected Output

Board.

2. The selected bank number will be displayed where an asterisk (*) appears.

Available Functions

Rotational Difference: f4

Section 3-4

Page 43

3-5 Flow Rate Ratio: f5

Application example

Measures the flow rate ratio of the mixture of A and B.

Basic Operation

From the frequency of INA and INB, displays the flow rate ratio of INB in percentage. Obtain display value D as follows:

D (%) =

fB x β

x 100

fA x α + fB x β

fA: Input frequency of INA (Hz) f

: Input frequency of INB (Hz)

α: Prescale value of INA β: Prescale value of INB

Mode Unit of display Prescale value

Flow rate ratio % INA Na

INB Nb

Where, Na: Number of pulses for specific quantity of A input Nb: Number of pulses for specific quantity of B input

Example: Displaying mixed liquid concentration calculated from the flow rate ratio of two flow sensors each with a capacity of 10 ȏ/400 rpm.

Prescale value of INA (α) = 10/400 = 0.025 = 2.5000 x 10

–2

Prescale value of INB (β) = 10/400 = 0.025 = 2.5000 x 10

–2

Prescale value = X x 10Y (X: mantissa, Y: exponent) X (mantissa) of input A = 2.5000 Y (exponent) of input A = –2 X (mantissa) of input B = 2.5000 Y (exponent) of input B = –2

Refer to 4-2 Setting Mode.

FUNCTION

SETTING

REFERENCE

Flow Rate Ratio: f5

Section 3-5

Page 44

Hold Measured Value When the HOLD input is turned ON, measurement stops and the input mea-

sured just before the HOLD input turned ON is held. While the HOLD input is ON, the K3NR holds display output, comparative output, and BCD output.

When the comparative output from the Output Board is connected to the HOLD input terminal, the value measured immediately after the occurrence of an error can be obtained.

Performance Characteristics

Accuracy of measurement

±0.02% rdg ± 1 digit (ambient temperature: 23°C ± 5°C)

Measurement range Sensor with transistor output: 0.5 mHz to 50 kHz

Sensor with relay output: 0.5 mHz to 30 Hz

ON/OFF pulse width

Sensor with transistor output: 9 µs min. Sensor with relay output: 15 ms min.

Response time Output configuration

Relay output Transistor

output

BCD and

transistor output

Linear and

transistor output

Communication

and transistor

output

Comparative output 200 ms max.

BCD output --- --- Refer to page 115. --- ---

Linear output --- --- --- 220 ms max. ---

Flow Rate Ratio: f5

Section 3-5

Page 45

Available functions in this mode are indicated as “Yes” in the following table.

Menu Function Displayed

Character

Availability Reference

page

---

Max./Min. value display and reset --- Yes 103

Estimated frequency calculation --- Ye s 129

sUset

Set value bank no. of set values

s.bank

Yes 50

(See note 2)

HH set value

sU*.hh

H set value

sU*. h

L set value

sU*. l

LL set value

sU*.ll

pscl

Select bank no. of prescale value

p.bank

Yes

Prescaling value of input A X (mantissa) Y (exponent)

ps*.ax ps*.ay

Yes

Prescaling value of input B X (mantissa) Y (exponent)

ps*.bx ps*.by

Yes

Decimal point position

decp.*

Yes

setup

Operating mode

func

Yes 58

Input A sensor type

ina

Yes

Input B sensor type

inb

Auto zero time of input A X (mantissa) Y (exponent)

=ro.ax =ro.ay

Yes

Auto zero time of input B X (mantissa) Y (exponent)

=ro.bx =ro.by

Yes

Display time unit

time

No 65

Communications unit no. (See note 1)

uĆno

Yes

Baud rate (See note 1)

bps

Yes

Word length (See note 1)

len

Yes

Stop bits (See note 1)

sbit

Yes

Parity bits (See note 1)

prty

Yes

opt

Process time for averaging measured value

aUg

Yes 72

Startup compensation time

stime

Yes 74

Power failure memory

memo

No 76

Hysteresis (See note 1)

hys

Yes 78

Comparative output pattern (See note 1)

cĆout

Yes 80

H linear output range (See note 1)

lset.h

Yes

L Linear output range (See note 1)

lset.l

Yes

Remote/Local programming (See note 1)

rĆl

Yes 86

Note 1. The availability of the parameters depends on the type of selected Output

Board.

2. The selected bank number will be displayed where an asterisk (*) appears.

Available Functions

Flow Rate Ratio: f5

Section 3-5

Page 46

3-6 Passing Time: f6

Application example

Measures the passing time for a conveyor line.

Distance

Basic Operation

Measures and displays the input pulse frequency of INA in units of seconds. By selecting an appropriate prescale value, object passing time D in the range determined by the prescale value will be displayed. Obtain display value D as follows:

D (sec) = 1/f

x α

: INA input frequency (Hz)

α: prescale value of INA

Rotational speed = Input frequency (f) x (1/No. of pulses (N) per 1 cycle) Circumferential speed = Circumference of roll (πd) x rotational speed Passing time = Processing length (L)/Circumferential speed

INB input will be ignored.

Passing time is measured in this mode. Therefore, if the K3NR does not receive any pulses for a certain period, the K3NR estimates passing time using the estimated frequency calculation function and increases the displayed value.

Mode Unit of display value Prescale value

Passing time sec L/(πd/N)

N = No. of pulses per 1 cycle from input A πd = Circumferential length (m) per 1 cycle L = Processing length (m)

Note The K3NR can display the hour, minute, and second. Refer to page 65 for de-

tails.

Example: Displaying passing time (sec) using a rotary encoder with 100 output pulses per revolution. Circumference of rotary encoder = 0.125 m Process length = 5 m

Prescaling value (α) = 5/(0.125/100) = 4000 = 4.000 x 10

Prescale value = X x 10Y (X: mantissa, Y: exponent) X (mantissa) of input A = 4.000 Y (exponent) of input A = 3

Refer to 4-2 Setting Mode.

FUNCTION

SETTING

REFERENCE

Passing Time: f6

Section 3-6

Page 47

Hold Measured Value When the HOLD input is turned ON, measurement stops and the input mea-

sured just before the HOLD input turned ON is held. While the HOLD input is ON, the K3NR holds display output, comparative output, and BCD output.

When the comparative output from the Output Board is connected to the HOLD input terminal, the value measured immediately after the occurrence of an error can be obtained.

Performance Characteristics

Accuracy of measurement

±0.006% rdg ± 1 digit (ambient temperature: 23°C ± 5°C)

Measurement range Sensor with transistor output: 0.5 mHz to 50 KHz

Sensor with relay output: 0.5 mHz to 30 Hz

ON/OFF pulse width

Sensor with transistor output: 9 µs min. Sensor with relay output: 15 ms min.

Response time Output configuration

Relay output Transistor

output

BCD and

transistor output

Linear and

transistor output

Communication

and transistor

output

Comparative output 200 ms max.

BCD output --- --- Refer to page 115. --- ---

Linear output --- --- --- 220 ms max. ---

Passing Time: f6

Section 3-6

Page 48

Available functions in this mode are indicated as “Yes” in the following table.

Menu Function Displayed

Character

Availability Reference

page

---

Max./Min. value display and reset --- Yes 103

Estimated frequency calculation --- Ye s 129

sUset

Set value bank no. of set values

s.bank

Yes 50

(See note 2)

HH set value

sU*.hh

H set value

sU*. h

L set value

sU*. l

LL set value

sU*.ll

pscl

Select bank no. of prescale value

p.bank

Yes

Prescaling value of input A X (mantissa) Y (exponent)

ps*.ax ps*.ay

Yes

Prescaling value of input B X (mantissa) Y (exponent)

ps*.bx ps*.by

Decimal point position

decp.*

Yes

setup

Operating mode

func

Yes 58

Input A sensor type

ina

Yes

Input B sensor type

inb

Auto zero time of input A X (mantissa) Y (exponent)

=ro.ax =ro.ay

Yes

Auto zero time of input B X (mantissa) Y (exponent)

=ro.bx =ro.by

Display time unit

time

No 65

Communications unit no. (See note 1)

uĆno

Yes

Baud rate (See note 1)

bps

Yes

Word length (See note 1)

len

Yes

Stop bits (See note 1)

sbit

Yes

Parity bits (See note 1)

prty

Yes

opt

Process time for averaging measured value

aUg

Yes 72

Startup compensation time

stime

Yes 74

Power failure memory

memo

No 76

Hysteresis (See note 1)

hys

Yes 78

Comparative output pattern (See note 1)

cĆout

Yes 80

H linear output range (See note 1)

lset.h

Yes

L Linear output range (See note 1)

lset.l

Yes

Remote/Local programming (See note 1)

rĆl

Yes 86

Note 1. The availability of the parameters depends on the type of selected Output

Board.

2. The selected bank number will be displayed where an asterisk (*) appears.

Available Functions

Passing Time: f6

Section 3-6

Page 49

3-7 Pulse Counting: f7

Application example

Counts the number of objects.

Basic Operation

Counts the number of pulses of INA and displays the result. Obtain display value D as follows:

D (pulse count) = C x α

C: Pulse count of INA α: Prescale value

Hold Displayed Value

By turning the HOLD input ON, the displayed value can be put on HOLD. While the HOLD input is ON, the pulse counting operation continues, as does comparative output and BCD output. In this case, using the HOLD input is similar to checking a lap time with a stopwatch.

Interruption of Pulse Counting

With INB input ON, the pulse counting operation is interrupted and the measured value, comparative outputs, and BCD output are on HOLD. Pulse counting will not begin while INB input is ON.

Clearing Accumulated Value

When the RESET input turns ON, the accumulated value is cleared to zero. Pulse counting will not start while the RESET input is ON. The accumulated value will be stored or cleared to zero when the K3NR is turned off, and depends on the setting of the power failure memory (memo) at option menu.

Note By connecting comparative output with the RESET input terminal, the K3NR can

be used as a single-mode preset counter.

FUNCTION

Pulse Counting: f7

Section 3-7

Page 50

Comparative Output

With operating mode 7, comparative output L, LL, H, or HH turns ON when the measured value exceeds the set value. Refer to following chart for details.

INA input

Process value

RESET input

HH set value

HH comparative output

PASS output

H set value

LL set value L set value

H comparative output

L comparative output

LL comparative output

Mode Unit of display

value

Prescale value

1 pulse = n counts Count n

n pulses = 1 count Count 1/n

Example: Counting four pulses as a single unit to be displayed. Prescaling value (α) = 1/4 = 0.25 = 0.25 x 10

Prescale value = X x 10Y (X: mantissa, Y: exponent) X (mantissa) of input A = 0.25 Y (exponent) of input A = 0

4-2 Setting Mode.

Performance Characteristics

Maximum counting speed Sensor with transistor output: 50 kcps

Sensor with relay output: 30 cps

Counting range 0 to 4 G (with 32-bit counter)

Response time of HOLD or RESET input

20 ms max.

ON/OFF pulse width

Sensor with transistor output: 9 µs min. Sensor with relay output: 15 ms min.

SETTING

REFERENCE

Pulse Counting: f7

Section 3-7

Page 51

Response time Output configuration

Relay output Transistor

output

BCD and

transistor output

Linear and

transistor output

Communication

and transistor

output

Comparative output 10 ms max. 1 ms max. 20 ms max. 20 ms max. 1 ms max.

BCD output --- --- Refer to page 115. --- ---

Linear output --- --- --- 20 ms max. ---

Maximum pulse counting speed is the maximum speed at which the K3NR can count INA input pulses accurately. If comparative output is used as control output, the maximum pulse counting speed can be obtained as follows:

Maximum counting speed (cps) = 1/Delay in comparative outputs (sec)

If comparative output is directly connected to RESET input, the maximum pulse counting speed can be obtained as follows:

Maximum counting speed (cps) = 1/Delay in comparative outputs (sec) + Response time of RESET input (sec)

The response time of the HOLD or RESET input is the time required for the K3TR to accept HOLD or RESET input after the HOLD or RESET input turns ON. This is illustrated in the following diagram.

INA

Comparative output

Delay in comparative outputs

HOLD or RESET input

Acceptance of HOLD or RESET input

Response time of HOLD or RESET input (20 ms max.)

Maximum Pulse Counting Speed

Response Time of HOLD or RESET Input

Pulse Counting: f7

Section 3-7

Page 52

Available functions in this mode are indicated as “Yes” in the following table.

Menu Function Displayed

Character

Availability Reference

page

---

Max./Min. value display and reset --- Yes 103

Estimated frequency calculation --- No 129

sUset

Set value bank no. of set values

s.bank

Yes 50

(See note 2)

HH set value

sU*.hh

H set value

sU*. h

L set value

sU*. l

LL set value

sU*.ll

pscl

Select bank no. of prescale value

p.bank

Yes

Prescaling value of input A X (mantissa) Y (exponent)

ps*.ax ps*.ay

Yes

Prescaling value of input B X (mantissa) Y (exponent)

ps*.bx ps*.by

Decimal point position

decp.*

Yes

setup

Operating mode

func

Yes 58

Input A sensor type

ina

Yes

Input B sensor type

inb

Yes

Auto zero time of input A X (mantissa) Y (exponent)

=ro.ax =ro.ay

Auto zero time of input B X (mantissa) Y (exponent)

=ro.bx =ro.by

Display time unit

time

No 65

Communications unit no. (See note 1)

uĆno

Yes

Baud rate (See note 1)

bps

Yes

Word length (See note 1)

len

Yes

Stop bits (See note 1)

sbit

Yes

Parity bits (See note 1)

prty

Yes

opt

Process time for averaging measured value

aUg

No 72

Startup compensation time

stime

No 74

Power failure memory

memo

Yes 76

Hysteresis (See note 1)

hys

No 78

Comparative output pattern (See note 1)

cĆout

No 80

H linear output range (See note 1)

lset.h

Yes

L Linear output range (See note 1)

lset.l

Yes

Remote/Local programming (See note 1)

rĆl

Yes 86

Note 1. The availability of the parameters depends on the type of selected Output

Board.

2. The selected bank number will be displayed where an asterisk (*) appears.

Available Functions

Pulse Counting: f7

Section 3-7

Page 53

SECTION 4

Parameter Setting

This section provides instructions for setting the parameters of the K3NR. Be sure to read this section before using the K3NR Frequency/Rate Meter for the first time.

4-1 Overview 46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1-1 Heading Symbols 46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1-2 Setting Procedures 46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2 Setting Mode 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2-1 Selecting Setting Mode 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2-2 Menu Overview 48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2-3 Setting Value Menu (sUset)50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bank No. of Set Value 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HH Set Value 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

H Set Value 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

L Set Value 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LL Set Value 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2-4 Prescaling Menu (pscl)54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bank No. of Prescale 54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Prescaling Value X (Mantissa) of Input A 54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Prescaling Value Y (Exponent) of Input A 54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Prescaling Value X (Mantissa) of Input B 54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Prescaling Value Y (Exponent) of Input B 54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Decimal Point Position 54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2-5 Setup Menu (setup) 58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Mode 58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sensor Type 60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auto Zero Time of Input A X (Mantissa) 62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auto Zero Time of Input A Y (Exponent) 62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auto Zero Time of Input B X (Mantissa) 62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auto Zero Time of Input B Y (Exponent) 62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Time Unit 65. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Communications Unit Number 67. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Baud Rate 67. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Word Length 69. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Stop Bits 69. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parity Bits 69. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2-6 Option Menu (opt)72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Process Time for Averaging Measured Value 72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Startup Compensation Time 74. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Failure Memory 76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hysteresis 78. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Comparative Output Pattern 80. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Upper Limit (H) of Linear Output Range 83. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lower Limit (L) of Linear Output Range 83. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote/Local Programming 86. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3 Protect Mode 88. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3-1 Selecting Protect Mode 88. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3-2 Menu Overview 89. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3-3 Protect Menu (prot)90. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

All Key Protect 90. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting Value Change Prohibit 91. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Counting Value Reset Prohibit 93. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum/Minimum Value Clear Prohibit 95. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Security 97. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 54

4-1 Overview

4-1-1 Heading Symbols

The following symbols are used for headings in this section.

This symbol precedes an explanation of the parameter’s meaning and function.

This symbol precedes a description of the settings, setting range, and default value.

This symbol precedes an explanation of procedures for parameters that specify operations.

This symbol precedes a listing of references and related parameters.

This symbol precedes a listing of the models in which this parameter can be used.

4-1-2 Setting Procedures

• The K3NR has four modes: RUN mode for normal operations, Setting mode

for initial parameter input, Protect mode for lock-out configuration, and Maintenance mode for initializing set values. The parameters that are accessible on any individual K3NR will vary depending on the Output Board installed. Refer to Appendix D Available Parameters.

• The K3NR is in RUN mode when the K3NR is turned on. Parameter settings in

protect or setting mode are described below on the basis that the parameters are set for the first time.

For the operation in RUN mode, refer to Section 5 Operations in RUN Mode.

• The setting examples are provided on condition that the factory-set values of

the K3NR have not been changed.

FUNCTION

SETTING

PROCEDURE

REFERENCE

MODELS

Overview Section 4-1

Page 55

4-2 Setting Mode

4-2-1 Selecting Setting Mode

• The K3NR in RUN mode will go into setting mode if the Mode Key is pressed for

1 s minimum.

• The K3NR in setting mode will go into RUN mode if the Escape Key is pressed.

RUN mode

Press the Mode and Shift Keys while turning the K3NR on.

Power On

Press the Escape and Up Keys for 1 second.

Maintenance mode

RUN mode

1 second

Setting mode

Protect mode

• The menu in each mode changes whenever the Mode Key is pressed.

• If the Mode Key is pressed for more than one second while a menu is dis-

played, a parameter will be displayed.

• The parameter changes whenever the Mode Key is pressed.

• If the Shift Key is pressed while a parameter is displayed, the parameter will be

ready to change.

• Press the Up Key to change parameters.

• The digit of a set value is selected with the Shift Key and changed with the Up

Key.

• The PROG indicator is lit while a menu or parameter is displayed.

• The PROG indicator flashes during a set value change.

Note If the operating mode is changed, all the other parameters will be set to default

values except communication setting and set values in protect mode. Therefore, set the operating mode and sensor type first.

Setting Mode

Section 4-2

Page 56

Setting Mode

Section 4-2

4-2-2 Menu Overview

Power On

RUN Mode

Refer to Section 5 Operations in RUN Mode.

Setting Mode

Press the Mode Key for 1 second.

Press the Mode and Shift Keys while turning the K3NR on.

Press the Escape and Up Keys for 1 second.

Maintenance Mode

Refer to Section 6 Useful Functions.

Protect Mode

Refer to 4-3 Protect Mode.

Setting value menu

Bank no. of set value

HH setting value

H setting value

L setting value

LL setting value

Output Test

Refer to Section 6 Useful Functions.

Prescaling menu

1 to 4

Bank no. of prescale value

Prescaling value of input A X (mantissa)

Decimal point position

Press the Mode Key for 1 second.

(see note 1)

Press the Mode Key for 1 second.

Prescaling value of input A Y (exponent)

Prescaling value of input B X (mantissa)

Prescaling value of input B Y (exponent)

Note 1. When making new settings or changing settings of each parameter, press the

Shift Key to shift to the setting state. The input will be updated automatically if no change is made for five seconds.

2. The K3NR stops measurement in setting mode. Some menus cannot be set according to the Output Board selected. If the operating mode is changed, all the other parameters will be set to default values except communication setting and set values in protect mode. Therefore, set the operating mode and sensor type.

Page 57

Setup menu

Press the Mode Key for 1 second.

Operating mode

Input A sensor type

Input B sensor type

Auto zero time of input A X (mantissa)

Auto zero time of input A Y (exponent)

Time unit

Communications unit no.

Baud rate

Word length

Stop bits

Parity bits

Option menu

Process time for averaging measured value

Startup compensation time

Power failure memory

Hysteresis

Comparative output pattern

H linear output range

L linear output range

Remote/Local processing

Auto zero time of input B X (mantissa)

Auto zero time of input B Y (exponent)

Press the Mode Key for 1 second.

Setting Mode

Section 4-2

Page 58

4-2-3 Setting Value Menu (sUset)

Bank No. of Set Value

HH Set Value

H Set Value

L Set Value

LL Set Value

• There are two basic methods for setting HH, H, L, and LL set values: by enter-

ing during RUN mode via the front-panel buttons, setting in Setting mode, or by the teaching function.

Setting Setting range Default

Set value bank 1 to 4 1

HH set value

–19,999 to 99999

99,999

H set value

99,999

L set value –19999

LL set value –19999

Set the decimal point position in the prescaling menu.

Refer to 6-1 Teaching Function.

• The menu is only available for the K3NR with Comparative Output Board.

s.bank

sU*.hh

sU*.h

sU*.l

sU*.ll

FUNCTION

SETTING

REFERENCE

MODELS

Setting Mode

Section 4-2

Page 59

Follow the steps described below to input the following.

Setting value bank = 2 HH setting value = “8000” H setting value = “6000” L setting value = “4000” LL setting value = “2000”

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the sUset setting value

menu is displayed. The s.bank setting value bank setting will be displayed.

Set Value LED Display Model Basic Model

2. Press the Shift Key to display the set value 1 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

3. Press the Up Key to set the value to 2. The input will be validated automatically if no change is made for five seconds. The s.bank setting value bank setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The sU2.hh

HH setting value of bank 2 setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

4. Press the Mode Key to display the sU2.hh HH setting value of bank 2 setting.

Set Value LED Display Model Basic Model

5. Press the Shift Key to display the set value 99999 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 60

6. Press the Up and Shift Keys to set the value to 8000. The input will be vali- dated automatically if no change is made for five seconds. The sU2.hh HH setting value of bank 2 setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The sU2.h H

setting value of bank 2 setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

7. Press the Mode Key to display the sU2.h H setting value of bank 2 setting.

Set Value LED Display Model Basic Model

8. Press the Shift Key to display the set value 99999 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

9. Press the Up and Shift Keys to set the value to 6000. The input will be vali- dated automatically if no change is made for five seconds. The sU2. h H set- ting value of bank 2 setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The sU2. l L

setting value of bank 2 setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

10. Press the Mode Key to display the sU2. l L setting value of bank 2 setting.

Set Value LED Display Model Basic Model

11. Press the Shift Key to display the set value Ć19999 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 61

12. Press the Up and Shift Keys to set the value to 4000. The input will be vali- dated automatically if no change is made for five seconds. The sU2. l L set- ting value of bank 2 setting will be displayed again.

Note Press the Mode Key to enter the input immediately. The sU2.ll LL

setting value setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

13. Press the Mode Key to display the sU2.ll LL setting value of bank 2 setting.

Set Value LED Display Model Basic Model

14. Press the Mode Key to display the set value Ć19999 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

15. Press the Up and Shift Keys to set the value to 2000. The input will be vali- dated automatically if no change is made for five seconds. The sU2.ll LL setting value setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The s.bank setting value

bank setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

16. Press the Escape Key to display the sUset setting value menu.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 62

4-2-4 Prescaling Menu (pscl)

Bank No. of Prescale

Prescaling Value X (Mantissa) of Input A

Prescaling Value Y (Exponent) of Input A

Prescaling Value X (Mantissa) of Input B

Prescaling Value Y (Exponent) of Input B

Decimal Point Position

To display rotational speeds, circumferential speeds, or other values based on input pulse calculations, the rotational speed must be multiplied by a factor input before the input pulses are measured. This factor is called a prescale value.

Display value = Measured data x Prescaling value Prescaling values can be set within a range between 0.0001 x 10–9 and 9.9999 x

109.

Example: Setting prescaling value with the input of two pulses per revolution.

Unit: rpm Operating Mode: 1

Object to be measured

Proximity Sensor

Two pulses are output per revolution. Therefore, the prescaling value is calculated: 0.5 x 100 = 5.0 x 10

–1

p.bank = off ps.ax = 5.0000 ps.ay = 10 Ć1

Note Use prescaling banks 1 through four if more than one prescaling value needs to

be set.

Input type Setting Default

p.bank: Bank no. of prescale

OFF/1 to 4 OFF

ps*.ax: Prescaling value X (mantissa)

of input A

0.0001 to 9.9999 1.0000

ps*.ay: Prescaling value Y (exponent)

of input A

–9 to 9 0

ps*.bx: Prescaling value X (mantissa)

of input B

0.0001 to 9.9999 1.0000

ps*.by: Prescaling value Y (exponent)

of input B

–9 to 9 0

decp.*: Decimal point position

Operating modes 3 and 4: One of the 1st to 3rd digits from the right

Other modes: One of the 1st to 4th digits from the right

No decimal point position setting

p.bank ps*.ax ps*.ay ps*.bx ps*.by decp.*

FUNCTION

SETTING

Setting Mode

Section 4-2

Page 63

Refer to 6-1 Teaching Function.

Follow the steps described below to input the following.

Operating mode = F1 Prescaling bank = OFF Prescaling value X (mantissa) of input A = 0.5000 Prescaling value Y (exponent) of input A = –1 Decimal point = jjjj.j (1st digit from the right)

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the pscl prescaling

menu is displayed. The p.bank prescaling bank setting will be displayed.

Set Value LED Display Model Basic Model

2. Press the Shift Key to display off for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

3. Press the Up Key to change the prescaling bank setting. The input will be validated automatically if no change is made for five seconds. The p.bank prescaling bank setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The ps.ax

prescaling value X (mantissa) of input A setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

4. Press the Mode Key to display the ps.ax prescaling value X (mantissa) of input A setting.

Set Value LED Display Model Basic Model

REFERENCE

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 64

5. Press the Shift Key to display the set value 1.0000 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

6. Press the Up and Shift Keys to set the value to 0.5000. The input will be validated automatically if no change is made for five seconds. The ps.ax prescaling value X (mantissa) of input A setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The ps.ax

prescaling value X (mantissa) of input A setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

7. Press the Mode Key to display the ps.ay prescaling value Y (exponent) of input A setting.

Set Value LED Display Model Basic Model

8. Press the Shift Key to display the set value 10Ć1 for changing.

Set Value LED Display Model Basic Model

9. Press the Up and Shift Keys to set the value to 10 Ć1. The input will be validated automatically if no change is made for five seconds. The ps.ay prescaling value Y (exponent) of input A setting will be displayed again.

Note a) Press the Mode Key to enter the set value immediately. The decp

decimal point position setting will be displayed again.

b) If the set operating mode is F2 through F5, the ps.bx prescaling

value X (mantissa) of input B setting will be displayed.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 65

10. Press the Mode Key to display the decp decimal point position setting.

Note If the set operating mode is F2 through F5, the ps.bx prescaling value

X (mantissa) of input B setting will be displayed.

Set Value LED Display Model Basic Model

11. Press the Shift Key to display %%%%% for changing.

Set Value LED Display Model Basic Model

12. Press the Shift Key to set %%%%.%. The input will be validated automatically if no change is made for five seconds. The decp decimal point position setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The p.bank

prescaling bank setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

13. Press the Escape Key to display the pscl prescaling menu.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 66

4-2-5 Setup Menu (setup)

Operating Mode

Use this menu to select the operating mode of the K3NR. All parameters will be set to default values if any change is made in this parameter except to those for the communications and protect settings.

f1: Displays the number of circumferential or rotational speed of in-

put A.

f2 through f5: Displays the result of the arithmetic operation of two different

revolutions.

f6: Displays the value of passing time calculated from the frequen-

cy or processing length of input A.

f7: Displays the pulse counting of input A.

Setting Default

f1: Rotational/circumferential speed f2: Absolute ratio f3: Error ratio f4: Rotational difference f5: Flow rate ratio f6: Passing time f7: Pulse counting

Refer to Section 3 Operating Modes.

Follow the steps described below to select the f4 rotational difference setting.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the setup setup menu

is displayed. The func operating mode setting will appear.

Set Value LED Display Model Basic Model

2. Press the Shift Key to display f1 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

func

FUNCTION

SETTING

REFERENCE

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 67

3. Repeatedly press the Up Key until f4 is displayed. The displayed setting will be validated automatically if no change is made for five seconds. The func operating mode setting will be displayed again.

Note Press the Mode Key to enter the displayed setting immediately. The

next parameter will be displayed for setting.

Set Value LED Display Model Basic Model

4. Repeatedly press the Escape Key until the setup setup menu is displayed.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 68

Sensor Type

• Specifies the type of sensors for input A and input B.

• The sensor type of input B cannot be selected if the operating mode of the

K3NR is set to f1 (rotational/circumferential speed) or f6 (passing time).

• Open Collector Input

Sensor type Normally open Normally closed Default

Transistor input

00 01

Relay input

10 11

Normally Open Model: The sensor output is OFF (open) when the sensor is

not sensing an object.

Normally Closed Model: The sensor output is ON (closed) when the sensor is

not sensing an object.

• Voltage Pulse Input

Sensor type Active high (H) Active low (L) Default

Voltage pulse input

10 11 00

Follow the steps described below to set input A to 11 in operating mode f1 (rotational/circumferential speed).

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the setup setup menu

is displayed. The func operating mode setting will appear.

Set Value LED Display Model Basic Model

2. Press the Mode Key to display ina input A sensor type setting.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display 00 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

ina inb

FUNCTION

SETTING

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 69

4. Press the Up and Shift Keys to display 11. The displayed value will be validated automatically if no change is made for five seconds. The ina input A sensor type setting will be displayed again.

Note Press the Mode Key to enter the displayed setting immediately. The

next parameter will be displayed.

Set Value LED Display Model Basic Model

5. Press the Escape Key to display the setup setup menu.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 70

Auto Zero Time of Input A X (Mantissa)

Auto Zero Time of Input A Y (Exponent)

Auto Zero Time of Input B X (Mantissa)

Auto Zero Time of Input B Y (Exponent)

Calibrates the process value to zero forcibly if no input pulse is received for a certain period. This period is called auto-zero time.

Refer to the following graph.

Frequency

Auto-zero time

Time

Logically, the input pulse frequency does not drop to zero perfectly due to the estimated frequency calculation of the K3NR. Therefore, the K3NR has a function to calibrate the frequency to zero forcibly if no input pulse is received for a certain period.

Automatic zero time is determined by the following formula. Auto-zero time = X x 10

(s) (X: mantissa, Y: exponent)

Note Auto-zero time must be longer than the value obtained by dividing

one by the minimum frequency input of the K3NR. Auto-zero time must not be less than 0.1 s.

If the operating mode of the K3NR is set to F7 (pulse counting), this parameter will not be available.

Input type Setting Default

=ro.ax: Auto zero time of input A X (mantissa) =ro.ay: Auto zero time of input A Y (exponent) =ro.bx: Auto zero time of input B X (mantissa) =ro.by: Auto zero time of input B Y (exponent)

0.0001 to 9.9999 –9 to 09

9.9999 09

Note For details, refer to page 129 for the estimated frequency calculation of the

K3NR.

Follow the steps described below to set the value of auto-zero time to one second.

Set Value LED Display Model Basic Model

=ro.ax =ro.ay =ro.bx =ro.ay

FUNCTION

SETTING

REFERENCE

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 71

1, 2, 3... 1. Press the Mode Key for more than one second while the setup setup menu

is displayed. The func operating mode setting will appear.

Set Value LED Display Model Basic Model

2. Repeatedly press the Mode Key until the =ro.ax auto zero time of input A X (mantissa) setting is displayed.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display the set value 9.9999 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

4. Press the Up and Shift Keys to set the value to 1.0000. The input will be validated automatically if no change is made for five seconds. The =ro.ax auto zero time of input A X (mantissa) setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The auto zero

time of input A Y (exponent) setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

5. Press the Mode Key to display the =ro.ay auto zero time of input A Y (exponent) setting.

Set Value LED Display Model Basic Model

6. Press the Shift Key to display the set value 10 09 for changing.

Set Value LED Display Model Basic Model

7. Press the Up and Shift Keys to set the value to 10 00. The input will be validated automatically if no change is made for five seconds. The =ro.ay auto zero time of input A Y (exponent) setting will be displayed again.

Setting Mode

Section 4-2

Page 72

Note Press the Mode Key to enter the set value immediately. The auto zero

time of input B X (mantissa) setting will be displayed for setting the next parameter.

Set Value LED Display Model Basic Model

8. Press the Escape Key to display the setup setup menu.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 73

Time Unit

The time unit can be selected to display the calculation results of F6 (passing time).

Unit Display range Default

scal

–19999 to 99,999

scal

sec

Displayed in seconds within a range between 0 and 99,999 s.

min

Displayed minutes within a range between 0 and 99,999 min.

h.mm.ss

Displayed in hours, minutes, and seconds within a range between 0 h, 00 min, 00 s and 9 hrs, 59 min, 59 s.

mm.ss.d

Displayed in minutes and seconds (1/100 s) within a range between 00 min, 00 s 0 and 59 min, 59 s, 9.

Follow the steps described below to set sec second unit setting.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the setup setup menu

is displayed. The func operating mode setting will appear.

Set Value LED Display Model Basic Model

2. Repeatedly press the Mode Key until time time unit setting is displayed.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display scal for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

time

FUNCTION

SETTING

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 74

4. Press the Up Key to display sec. The input will be validated automatically if no change is made for five seconds. The time time unit setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

5. Press the Escape Key to display the setup setup menu.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 75

Communications Unit Number

Baud Rate

• Set a communications unit number as an identification number by which the

host computer is connected to the K3NR.

• If more than one K3NR is connected in parallel, make sure that each commu-

nications unit number is unique.

• The baud rate should be set to the baud rate of the host computer.

• Communications Unit Number

Setting range Unit Default

00 to 99 --- 00

• Baud Rate

Setting range Default

1200: 1,200 bps / 2400: 2,400 bps / 4800: 4,800 bps / 9600: 9,600 bps / 19200:19.2 Kbps / 38400: 38.4 Kbps

9600

This setting is available for the K3NR with the Communications Output Board.

Follow the steps described below to set the communications unit number to 15 and the baud rate to 19,200 bps.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the setup setup menu

is displayed. The func operating mode setting will appear.

Set Value LED Display Model Basic Model

2. Repeatedly press the Mode Key until the uĆno communications unit number setting is displayed.

Set Value LED Display Model Basic Model

uĆno

bps

FUNCTION

SETTING

MODELS

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 76

3. Press the Shift Key to display the prior set value 00 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

4. Press the Up and Shift Keys to set the value to 15. The input value will be validated automatically if no change is made for five seconds. The uĆno communications unit number setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

5. Press the Mode Key to display the bps baud rate setting.

Set Value LED Display Model Basic Model

6. Press the Shift Key to display the prior set value 9600 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

7. Press the Up Key to set the value to 19200. The input will be validated automatically if no change is made for five seconds. The bps baud rate setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The next pa-

rameter will be displayed again for setting.

Set Value LED Display Model Basic Model

8. Press the Up Key to enter the set value for setting the next parameter. The input value will be validated automatically if no change is made for five seconds. The bps baud rate setting will be displayed again.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 77

Word Length

Stop Bits

Parity Bits

• The communications format used for communicating with the host computer is

set in the setup menu.

• Refer to the Communications Manual for the communications format in detail.

• Word Length

Setting Unit Default

7/8 bit 7

• Stop Bits

Setting Unit Default

1/2 bit 2

• Parity Bit

Setting Default

none: None eUen: Even odd: Odd

eUen

This setting is available for the K3NR with the Communications Output Board.

Follow the steps described below to set the following.

Word length: 8 bits Number of stop bits: 1 Parity bits: none

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the setup setup menu

is displayed. The func operating mode setting will appear.

Set Value LED Display Model Basic Model

len

sbit

prty

FUNCTION

SETTING

MODELS

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 78

2. Repeatedly press the Mode Key until the len word length setting is displayed.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display the prior set value 7 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

4. Press the Up Key to set the value to 8. The input value will be validated auto- matically if no change is made for five seconds. The len word length setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

5. Press the Mode Key to display the sbit stop bit setting.

Set Value LED Display Model Basic Model

6. Press the Shift Key to display the set value 2 for changing.

Set Value LED Display Model Basic Model

7. Press the Up Key to set the value to 1. The input will be validated automatically if no change is made for five seconds. The sbit stop bit setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

8. Press the Mode Key to display the prty parity bit setting.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 79

9. Press the Shift Key to display eUen for changing.

Set Value LED Display Model Basic Model

10. Press the Up Key to display none. The setting will be validated automatically if no change is made for five seconds. The prty parity bit setting will be displayed again.

Note Press the Mode Key to enter the setting immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

When no operation is executed for five seconds

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 80

4-2-6 Option Menu (opt)

Process Time for Averaging Measured Value

The K3NR averages its measured value at regular preset intervals. Therefore, when the K3NR is used to measure the rpm of a machine, for example, the value indicated by the PV display will be stable without being influenced by the fluctuation of the input pulse intervals or the rotation of the machine. If the input pulse intervals are larger than the preset regular intervals, the K3NR calculates the rpm using the input pulse intervals.

Setting Default

fast: Averaged every 60 ms

0.5: Averaged every 500 ms 1: Averaged every 1 s 2: Averaged every 2 s 4: Averaged every 4 s 8: Averaged every 8 s

16: Averaged every 16 s

fast

Input value Display value

Without average processing

Input value Display value

After average processing

aUg

FUNCTION

SETTING

REFERENCE

Setting Mode

Section 4-2

Page 81

Follow the steps described below to set the process time for averaging measured value to 4 s.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the opt option menu is

displayed. The aUg process time for averaging measured value setting will appear.

Set Value LED Display Model Basic Model

2. Press the Shift Key to display present set value fast for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

3. Repeatedly press the Up Key until 4 is displayed. The setting will be validated automatically if no change is made for five seconds. The aUg process time for averaging measured value setting will be displayed again.

Note Press the Mode Key to enter the displayed setting immediately. The

next parameter will be displayed.

Set Value LED Display Model Basic Model

When no operation is executed for five seconds

Set Value LED Display Model Basic Model

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 82

Startup Compensation Time

• The interval between the moment the K3NR is turned and the moment the

K3NR starts measurement operation is set in the option menu.

• The startup compensation time parameter keeps the measurement operation

from sending an unnecessary output corresponding to instantaneous, fluctuating input from the moment the K3NR is turned ON until the end of the preset period.

Setting range Unit Default

0.0 to 99.9

S 0.0

The K3NR will display “00000” with all outputs turned OFF until the K3NR is in measurement operation.

L set value

L comparative output

Power ON

Display = 00000 (measurement interrupted)

Setting time

Display

Time

Follow the steps described below to set the startup compensation time to 2 seconds.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the opt option menu is

displayed. The aUg process time for averaging measured value setting will appear.

Set Value LED Display Model Basic Model

stime

FUNCTION

SETTING

REFERENCE

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 83

2. Press the Mode Key to display the stine startup compensation time setting.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display the prior set value 00.0 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

4. Press the Up and Shift Keys to set the value to 02.0. The setting will be validated automatically if no change is made for five seconds. The stine startup compensation time setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

When no operation is executed for five seconds

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 84

Power Failure Memory

Retains the process value at the time of power failure if the operating mode of the K3NR is set to F7 (pulse counting).

Setting Default

on: Stored off: Not Stored

off

Follow the steps described below to set on to enable power failure memory.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the opt option menu is

displayed. The aUg average processing setting will appear.

Set Value LED Display Model Basic Model

2. Repeatedly press the Mode Key until the memo power failure memory setting is displayed.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display the set data off for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

4. Press the Up Key to display on. The setting will be validated automatically if no change is made for five seconds. The memo power failure memory setting will be displayed again.

Note Press the Mode Key to enter the displayed setting immediately. The

next parameter will be displayed for setting.

Set Value LED Display Model Basic Model

memo

FUNCTION

SETTING

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 85

When no operation is executed for five seconds

Set Value LED Display Model Basic Model

5. Press the Escape Key to display the opt option menu.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 86

Hysteresis

• The hysteresis can be set in the option menu to prevent “chattering” of the out-

put if the measured value fluctuates in the vicinity of the setting values.

• The hysteresis can be set within a range of 1 and 9999 digits for four consecu-

tive digits beginning with the leftmost digit regardless of the decimal point.

• The value set to 0 is regarded as 1.

• The decimal point position set in the scaling menu becomes valid.

Setting range Unit Default

1 to 9999

--- 1

If the comparative output is a level output, however, the hysteresis will be enabled when the measured value starts to become smaller than the HH, H, LL, and L setting values.

Measured value

H setting value

L setting value

H comparative output

L comparative output

Hysteresis

This setting is only available for the K3NR with the Comparative Output Unit.

Follow the steps described below to set the hysteresis to 30.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the opt option menu is

displayed. The aUg average processing setting will appear.

Set Value LED Display Model Basic Model

hys

FUNCTION

SETTING

REFERENCE

MODELS

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 87

2. Repeatedly press the Mode Key until the hys hysteresis setting is displayed.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display the prior set value 0001 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

4. Press the Up and Shift Keys to set the value to 0030. The setting will be validated automatically if no change is made for five seconds. The hys hysteresis setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

When no operation is executed for five seconds

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 88

Comparative Output Pattern

• The pattern of HH, H, L, LL, and PASS comparative outputs is set in the option

menu.

• This function is not available when the operating mode is set to “F7.”

Setting Default

nomal: Standard output =one: Zone output leUel: Level output

nomal

Standard Output

H or HH Comparative Output: Turns ON when the measured value is larger than the H or HH setting value.

PASS Output: Turns ON when LL, L, H, and HH comparative outputs are all OFF.

L or LL Comparative Output: Turns ON when the measured value is smaller than the L or LL setting value.

HH setting value

H setting value

L setting value

LL setting value

Measured value

HH comparative output

H comparative output

PASS

L comparative output

LL comparative output

cĆout

FUNCTION

SETTING

REFERENCE

Setting Mode

Section 4-2

Page 89

Level Output

LL, L, H, or HH Comparative Output: Turns ON when the measured value exceeds the LL, L, H, or HH setting value.

PASS Output: Turns ON when the LL, L, H, and HH comparative outputs are all OFF.

HH setting value

H setting value

L setting value

LL setting value

Measured value

HH comparative output

H comparative output

PASS

L comparative output

LL comparative output

Zone Output

HH Comparative Output: Turns ON when the measured value exceeds the HH setting value.

H Comparative Output: Turns ON when the measured value is between the H and HH setting values.

PASS Output: Turns ON when the measured value is between the L and H setting values.

L Comparative Output: Turns ON when the measured value is between the LL and L setting values.

LL Comparative Output: Turns ON when the measured value falls below the LL setting value.

Be sure to set the setting values so they satisfy the following formula: LL < L < H < HH

HH setting value

H setting value

L setting value

LL setting value

Measured value

HH comparative output

H comparative output

PASS

L comparative output

LL comparative output

Setting Mode

Section 4-2

Page 90

This setting is only available for the K3NR with the Comparative Output Unit.

Follow the steps described below to set the comparative output pattern to level output.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the opt option menu is

displayed. The aUg process time for averaging measured value setting will appear.

Set Value LED Display Model Basic Model

2. Repeatedly press the Mode Key until the cĆout comparative output pattern setting is displayed.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display the prior setting nomal for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

4. Press the Up Key twice to display leUel. The setting will be validated auto- matically if no change is made for five seconds. The cĆout comparative output pattern setting will be displayed again.

Note Press the Mode Key to enter the setting immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

When no operation is executed for five seconds

Set Value LED Display Model Basic Model

MODELS

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 91

Upper Limit (H) of Linear Output Range

Lower Limit (L) of Linear Output Range

Linear output setting is made in the option menu to enable the K3NR to have voltage or current output in proportion to the change in display value.

• The maximum and minimum values of linear output are set in this parameter.

Linear output

20 mA or 5 V

Display value

4 mA or 1 V

• L can be greater or less than H.

• L cannot be the same as H, otherwise H will be automatically set to a value

obtained by adding 1 to L.

• The teaching function can be used for setting linear output ranges.

Setting range Default

–19999 to 99999

H linear output range

99999

L linear output range –19999

Refer to 6-1 Teaching Function.

This setting is available for the K3NR with the Linear Output Board.

lset.h

lset.l

FUNCTION

SETTING

REFERENCE

MODELS

Setting Mode

Section 4-2

Page 92

Follow the steps described below to set the following.

H: 100.00 L: 0.00

(Assume that the decimal point is set between the 2nd and 3rd digit from the right in the prescale menu.)

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the opt option menu is

displayed. The aUg process time for averaging measured value setting will appear.

Set Value LED Display Model Basic Model

2. Repeatedly press the Mode Key until the lset.h H linear output range setting is displayed.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display the prior set value 999.99 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

4. Press the Up and Shift Keys to set the value to 100.00. The setting will be validated automatically if no change is made for five seconds. The lset.h H linear output range setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

5. Press the Mode Key to display the lset.l L linear output range setting.

Set Value LED Display Model Basic Model

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 93

6. Press the Shift Key to display the prior set value Ć199.99 for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

7. Press the Up and Shift Keys to set the value to 000.00. The setting will be validated automatically if no change is made for five seconds. The lset.l L linear output range setting will be displayed again.

Note Press the Mode Key to enter the set value immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

When no operation is executed for five seconds

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 94

Remote/Local Programming

• The K3NR can be set to remote or local mode in the option menu. The K3NR in

remote mode is operated through the host computer and the K3NR in local mode is operated through the front panel key input.

Setting Default

Remote: rmt Local: lcl

lcl

This setting is available for the K3NR with the Communications Output Board.

Follow the steps described below to set the K3NR to remote programming.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the opt option menu is

displayed. The aUg setting will appear.

Set Value LED Display Model Basic Model

2. Repeatedly press the Mode Key until the rĆl remote/local setting is displayed.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display the prior setting lcl for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

4. Press the Up Key to display rmt.

Set Value LED Display Model Basic Model

rĆl

FUNCTION

SETTING

MODELS

SETTING EXAMPLE

Setting Mode

Section 4-2

Page 95

5. The setting will be validated automatically if no change is made for five seconds. The aUg process time for averaging measured value setting will be displayed again.

Note Press the Mode Key to enter the setting immediately. The rĆl re-

mote/local setting will be displayed again.

Set Value LED Display Model Basic Model

Setting Mode

Section 4-2

Page 96

4-3 Protect Mode

4-3-1 Selecting Protect Mode

• The K3NR in RUN mode will go into protect mode if the Escape and Up Keys

are pressed for more than 1 second.

• The K3NR in protect mode will go into RUN mode if the Escape Key is pressed.

Press the Mode and Shift Keys while turning the K3NR on.

Power On

Press the Escape and Up Keys for 1 second.

Maintenance mode

RUN mode

Setting mode

Protect mode

1 second

• If the Mode Key is pressed for more than one second while a menu is dis-

played, a parameter will be displayed.

• The parameter changes whenever the Mode Key is pressed.

• If the Shift Key is pressed while a parameter is displayed, the parameter will be

ready to change.

• Press the Up Key to change parameters.

Protect Mode

Section 4-3

Page 97

4-3-2 Menu Overview

Power On

RUN Mode

Refer to Section 5 Operations in RUN Mode.

Press the Escape and Up Keys for 1 second.

Protect Mode

Press the Mode and Shift Keys while turning the K3NR on.

Press the Mode Key for 1 second.

Maintenance Mode

Setting Mode

Refer to Section 6 Useful Functions.

Refer to 4-2 Setting Mode.

Protect menu

All key protect

Key protect ON Key protect OFF

Setting value change prohibit

Key protect ON Key protect OFF

Counting value reset prohibit

Max./Min. value clear prohibit

Security

No key input for 5 seconds.

All menus prohibited: 2 Setup menu prohibited: 1 All menu allowed: 0

Note 1. The K3NR stops measurement in setting mode.

2. Some menus cannot be set due to the display type or output type selected.

Protect Mode

Section 4-3

Page 98

4-3-3 Protect Menu (prot)

All Key Protect

• The operation of all keys can be prohibited in the protect menu.

Setting Default

kpon: Key protect ON kpoff: Key protect OFF

kpoff

Follow the steps described below to set the key protect to ON.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the prot protect menu

is displayed. The all all key protect setting will appear.

Set Value LED Display Model Basic Model

2. Press the Shift Key to display the prior setting kpoff for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

3. Press the Up Key to display kpon. The setting will be validated automatically if no change is made for five seconds. The all all key protect setting will be displayed again.

Note Press the Mode Key to enter the setting immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

When no operation is executed for five seconds

all

FUNCTION

SETTING

SETTING EXAMPLE

Protect Mode

Section 4-3

Page 99

Setting Value Change Prohibit

• The setting value change of the K3NR in RUN mode with the front-panel key

inputs can be prohibited in the protect menu.

Setting Default

kpon: Key protect ON kpoff: Key protect OFF

kpoff

Refer to 5-1 Checking and Changing Setting Values.

This setting is only available for the K3NR with the Comparative Output Unit.

Follow the steps described below to set the setting value change prohibit to ON.

Set Value LED Display Model Basic Model

1, 2, 3... 1. Press the Mode Key for more than one second while the prot protect menu

is displayed. The all all key protect setting will appear.

Set Value LED Display Model Basic Model

2. Press the Mode Key to display the sUset setting value prohibit setting.

Set Value LED Display Model Basic Model

3. Press the Shift Key to display the prior setting kpoff for changing. The PROG indicator will flash.

Set Value LED Display Model Basic Model

sUset

FUNCTION

SETTING

REFERENCE

MODELS

SETTING EXAMPLE

Protect Mode

Section 4-3

Page 100

4. Press the Up Key to display kpon. The setting will be validated automatically if no change is made for five seconds. The sUset setting value prohibit set- ting will be displayed again.

Note Press the Mode Key to enter the setting immediately. The next pa-

rameter will be displayed for setting.

Set Value LED Display Model Basic Model

When no operation is executed for five seconds

Protect Mode

Section 4-3

Omron K3NR Operation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual