Omron K3NP - 1998 Operation Manual
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Omron K3NP - 1998 Operation Manual

Omron K3NP - 1998 Operation Manual

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K3NP Period Meter
Operation Manual
Produced January 1998

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  • Page 1 K3NP Period Meter Operation Manual Produced January 1998...
  • Page 3 1, 2, 3... 1. Indicates lists of one sort or another, such as procedures, checklists, etc. Ó 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 permis- sion of OMRON.

  • Page 5: Table Of Contents

    ........Displaying and Resetting of Maximum and Minimum Values .
  • Page 6 ............. . B List of Settings .
  • Page 7 Section 6 provides information on the use of the K3NP with the BCD Output Board. Section 7 provides information for troubleshooting the K3NP The Appendices provide specifications, a list of settings, a list of standard models, and a list of available menu items.

  • Page 8: Precautions

    This section provides precautions for using the K3NP Period Meter and related devices. The information contained in this section is important for the safe and reliable application of the K3NP. You must read this section and understand the information contained before attempting to set up or operate the K3NP.

  • Page 9: General Precautions

    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.

  • Page 10: Noise Prevention

    Noise Prevention Section Noise Prevention Provide the following countermeasures when using the product in an environ- ment where the product is exposed to noise. · Countermeasures for protecting the product against high-frequency noise or abnormal voltages. Line filter Power Period Meter...

  • Page 11: Introduction

    SECTION 1 Introduction This section describes the functions of the K3NP. The main components are also described. Refer to the remaining sections of this manual for the operation of the K3NP and its menus in detail. Features ............. . .

  • Page 12: Features

    In the following example, the internal system clock counts the time (T) between pulse INA and pulse INB. If there are 100,000 counts during the time (T), a pass- ing speed (F1) of 1,200 (m/min) will be displayed according to the following cal- culation.

  • Page 13: Front Of The Meter

    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 be- come 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.
  • Page 14 Mode Key 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.
  • Page 15 Used to scroll the digit to the right of the presently displayed digit. RESET/TEACH Key Used to reset the K3NP to its initial state or to reset the max./min. value in RUN mode. Used to select the teaching function. Refer to 6-1 Teaching Function for details.

  • Page 16: Rear Of The Meter

    For wiring, refer to Section 2 Setup. K3NP with Relay Output Board, K31-C1, -C2, -C5 K3NP with Transistor Output Board, K31-T1, -T2 K3NP with Linear Output Board, K31-L1, -L2, -L3, -L4, -L5, -L6, -L7, -L8, -L9, -L10 K3NP with RS-485 Output Board, K31-FLK2, -FLK5 Output Board...

  • Page 17: Modes

    Protect mode RUN mode 1 second Setting mode RUN Mode K3NP is in RUN when the K3NP is turned ON. The K3NP in this mode provides an output signal as a result of the comparison of the measured and setting values.

  • Page 18: Communications Function

    Refer to Section 5 Operations in RUN Mode for RUN mode in detail. Setting Mode Values are set in the K3NP 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.

  • Page 19: Setup

    SECTION 2 Setup This section provides instructions required for mounting and wiring the K3NP. Mounting ............. .

  • Page 20: Mounting

    - -0 75 min. +0.8 - -0 120 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.

  • Page 21: Input Block

    2-2-2 Wiring Precautions · Do not make any mistake in polarity when supply DC power to the K3NP. · Do not wire power lines alongside the signal lines of the K3NP in order to pre- vent the K3NP from noise interference.

  • Page 22: Wiring

    Terminals 10 and 11 are exclusively used for a power supply with an output of 80 mA at 12 VDC to sensors A or B. If power is supplied to the sensors 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.
  • Page 23 · 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 short-...

  • Page 24: Output Board

    K3NP with Relay Output Board, K31-C1, -C2, -C5 K3NP with Transistor Output Board, K31-T1, -T2 K3NP with Linear Output Board, K31-L1, -L2, -L3, -L4, -L5, -L6, -L7, -L8, -L9, -L10 K3NP with RS-485 Output Board, K31-FLK2, -FLK5 K3NP with BCD Output Board, K31-B2, -B4...
  • Page 25 Output Board Section 2-3 K3NP with RS-422 + Transistor Output Board, K31-FLK6 K3NP with RS-232C Output Board, K31-FLK1 K3NP with RS-422 Output Board, K31-FLK3...

  • Page 26: Relay Output Board

    Output Board Section 2-3 K3NP with RS-422 Output Board, K31-FLK3 2-3-2 Relay Output Board The following figures show the connections for relay output. K3NP with 5 Relay K3NP with 3 Relay Output Boards, Output Boards, K31-C2 K31-C1 HH comparative output...

  • Page 27: Transistor And Combination Output Board

    600 W max. 4096 ±0.5% FS 1 to 5 V 500 W min. 4096 ±0.5% FS 1 mV/10 digit 1 kW min. 4096 ±1.5% FS 2-3-5 BCD Output Board Refer to Section 7 BCD Output for the terminal arrangement and interface.

  • Page 28: Operating Modes

    SECTION 3 Operating Modes This section provides information on the basic operation of the K3NP in operating mode. Passing Speed: f1 ............

  • Page 29: Passing Speed: F1

    ON and INB turning ON. If the distance between the INA sensor and INB sensor is 1 m, the displayed value is m/min. If the distance is other than 1 m, or if another unit of measurement is required, input an appropriate prescale value.
  • Page 30 Refer to page 93. Linear output 40 ms max. Response Time of HOLD The response time of the HOLD input is the time required for the K3NP to Input accept HOLD input after the HOLD input turns ON. Recovery Time (T Recovery time is the period required for the K3NP to become ready for the next measuring operation after a measuring operation is completed.
  • Page 31 HOLD input Acceptance of Response time of HOLD input HOLD input (20 ms max.) Recovery time (20 ms min.) Available functions in this mode are indicated as “Yes” in the following table. Menu Function Displayed Availability Reference Character page Max./Min.

  • Page 32: Cycle: F2

    Mode Unit of display Prescale value value SETTING Cycle 1/60 Where, INB input is disregarded for operating mode 2. Note The K3NP can display time, minute, and second. Refer to page 54 for details. Refer to 4-2 Setting Mode. REFERENCE...
  • Page 33 Linear output 40 ms max. Response Time of HOLD The response time of the HOLD input is the time required for the K3NP to Input accept HOLD input after the HOLD input turns ON. This is illustrated in the following diagram.

  • Page 34: Time Difference: F3

    A and B. Basic Operation Displays the time (T) in seconds between INA turning ON and INB turning ON. If another unit of measurement is required, input an appropriate prescale value. Obtain the display value D as follows:...
  • Page 35 Linear output 40 ms max. Response Time of HOLD The response time of the HOLD input is the time required for the K3NP to Input accept HOLD input after the HOLD input turns ON. This is illustrated in the following diagram.
  • Page 36 Time Difference: f3 Section 3-3 Available functions in this mode are indicated as “Yes” in the following table. Menu Function Displayed Availability Reference Character page Max./Min. value display and reset sUset (note 1) Set value bank no. of set values s.bank...

  • Page 37: Elapsed Time: F4

    Measures the pressing time of a printing machine. Basic Operation Displays in seconds the time period (T) that INA is ON. If another unit of mea- surement is required, input an appropriate prescale value. Obtain display value D as follows:...

  • Page 38: Elapsed Time: F4

    Linear output 40 ms max. Response time of HOLD The response time of the HOLD input is the time required for the K3NP to Input accept HOLD input after the HOLD input turns ON. This is illustrated in the following diagram.
  • Page 39 Elapsed Time: f4 Section 3-4 Available functions in this mode are indicated as “Yes” in the following table. Menu Function Displayed Availability Reference Character page Max./Min. value display and reset sUset (note 1) Set value bank no. of set values s.bank...

  • Page 40: Length Measurement: F5

    Application example Measures the length of an object. Basic Operation Counts the number of pulses of INA while INB is ON and displays the result. Ob- tain display value D as follows: D (pulse count) = C x a C: Pulse count of INA while INB input is ON a: Prescale value To set a prescale value, refer to 4-2-4 Prescaling Menu.
  • Page 41 K3NP can count accurately. Response Time of HOLD The response time of the HOLD input is the time required for the K3NP to Input accept HOLD input after the HOLD input turns ON. This is illustrated in the following diagram.
  • Page 42 Length Measurement: f5 Section 3-5 Available functions in this mode are indicated as “Yes” in the following table. Menu Function Displayed Availability Reference Character page Max./Min. value display and reset sUset (note 1) Set value bank no. of set values s.bank...

  • Page 43: Interval: F6

    Da/Na Da/Na Na: Number of pulses per revolution at A input pDa: Circumference (m) per revolution from A input Note The K3NP can display time, minute, and second. Refer to page 54 for details. Refer to 4-2 Setting Mode. REFERENCE...
  • Page 44 K3NP can count accurately. Response Time of HOLD The response time of the HOLD input is the time required for the K3NP to Input accept HOLD input after the HOLD input turns ON. This is illustrated in the following diagram.
  • Page 45 Interval: f6 Section 3-6 Available functions in this mode are indicated as “Yes” in the following table. Menu Function Displayed Availability Reference Character page Max./Min. value display and reset sUset (note 1) Set value bank no. of set values s.bank HH set value sU*.hh...

  • Page 46: Parameter Setting

    SECTION 4 Parameter Setting This section provides instructions for setting the parameters of the K3NP. Be sure to read this section before using the K3NP Period Meter for the first time. Overview ............. .

  • Page 47: Section 4 Parameter Setting

    K3NP will vary depending on the Output Board installed. Refer to Appendix D Available Parameters. · The K3NP is in RUN mode when the K3NP 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.

  • Page 48: Setting Mode

    Setting Mode 4-2-1 Selecting Setting Mode · The K3NP in RUN mode will go into setting mode if the Mode Key is pressed for 1 s minimum. · The K3NP in setting mode will go into RUN mode if the Escape Key is pressed.

  • Page 49: Menu Overview

    2. The K3NP 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. There-...
  • Page 50 Setting Mode Section 4-2 Setup menu Option menu Press the Mode Key for 1 second. Press the Mode Key for 1 second. Comparative out- Operating mode put pattern H linear output Input A sensor range type Input B sensor L linear output...

  • Page 51: Setting Value Menu ( Suset )

    LL Set Value sU*.ll · 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.
  • Page 52 Set Value LED Display Model Basic Model 3. Press the Up Key to set the value to 2 . The input will be validated automati- cally if no change is made for five seconds. The s.bank setting value bank setting will be displayed again.
  • Page 53 Setting Mode Section 4-2 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.
  • Page 54 Setting Mode Section 4-2 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.

  • Page 55: Prescaling Menu ( Pscl )

    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...
  • Page 56 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 vali- dated automatically if no change is made for five seconds. The ps.ax pres- caling value X (mantissa) of input A setting will be displayed again.
  • Page 57 Set Value LED Display Model Basic Model 9. Press the Up and Shift Keys to set the value to 10 -1 . The input will be vali- dated automatically if no change is made for five seconds. The ps.ay pres- caling value Y (exponent) of input A setting will be displayed again.
  • Page 58 Setting Mode Section 4-2 13. Press the Escape Key to display the pscl prescaling menu. Set Value LED Display Model Basic Model...

  • Page 59: Setup Menu ( Setup )

    Operating Mode func All parameters will be set to default values if any change in made in this parame- ter, except to those for the communications and protect settings. f1 : Displays the reciprocal of the time (T) between the moment input A is...
  • Page 60 Setting Mode Section 4-2 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.

  • Page 61: Sensor Type ( Ina , Inb )

    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 K3NP is set to f2 (cycle) or f4 (elapsed time).
  • Page 62 Setting Mode Section 4-2 4. Press the Up and Shift Keys to display 11 . The displayed setting will be vali- dated automatically if no change is made for five seconds. The ina input A sensor type setting will be displayed again.

  • Page 63: Time Unit ( Time )

    Setting Mode Section 4-2 Time Unit time The time unit can be selected to display the calculation results of F2 (cycle), F3 (time difference), and F4 (elapsed time). FUNCTION Unit Display range Default 0 to 99,999 scal scal Displayed in seconds within a range SETTING between 0 and 99,999 s.
  • Page 64 Setting Mode Section 4-2 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 dis- played again. Set Value LED Display Model...

  • Page 65: Communications Unit Number ( U-No )

    · Set a communications unit number as an identification number by which the host computer is connected to the K3NP. · If more than one K3NP is connected in parallel, make sure that each commu- FUNCTION nications unit number is unique.
  • Page 66 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 u-no communications unit number setting will be displayed again.

  • Page 67: Word Length ( Len )

    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.
  • Page 68 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.
  • Page 69 Section 4-2 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 dis- played again. Note Press the Mode Key to enter the setting immediately. The next pa- rameter will be displayed for setting.

  • Page 70: Option Menu ( Opt )

    Setting Mode Section 4-2 4-2-6 Option Menu ( opt ) Comparative Output Pattern c-out · The pattern of HH, H, L, LL, and PASS comparative outputs is set in the option menu. FUNCTION Setting Default nomal: Standard output nomal =one: Zone output...
  • Page 71 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.
  • Page 72 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.

  • Page 73: Upper Limit (H) Of Linear Output Range ( Lset.h )

    Display value · 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.
  • Page 74 Follow the steps described below to set the following. EXAMPLE H: 100.00 L: 1.00 (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...
  • Page 75 Set Value LED Display Model Basic Model 7. Press the Up and Shift Keys to set the value to 001.00 . 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.

  • Page 76: Remote/Local Programming ( R-L )

    Section 4-2 Remote/Local Programming · The K3NP can be set to remote or local mode in the option menu. The K3NP in remote mode is operated through the host computer and the K3NP in local mode is operated through the front panel key input.
  • Page 77 Setting Mode Section 4-2 5. The setting will be validated automatically if no change is made for five se- conds. The c-out comparative output pattern again. Note Press the Mode Key to enter the setting immediately. The r-l re- mote/local setting will be displayed again.

  • Page 78: Protect Mode

    Protect Mode 4-3-1 Selecting Protect Mode · The K3NP in RUN mode will go into protect mode if the Escape and Up Keys are pressed for more than 1 second. · The K3NP in protect mode will go into RUN mode if the Escape Key is pressed.

  • Page 79: Menu Overview

    All menus prohibited: 2 Security Setup menu prohibited: 1 All menu allowed: 0 No key input for 2 seconds. Note 1. The K3NP stops measurement in setting mode. 2. Some menus cannot be set due to the display type or output type selected.

  • Page 80: Protect Menu ( Prot )

    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.

  • Page 81: Setting Value Change Prohibit ( Suset )

    Protect Mode Section 4-3 Setting Value Change Prohibit sUset · The setting value change of the K3NP in RUN mode with the front-panel input can be prohibited in the protect menu. FUNCTION Setting Default kpon: Key protect ON kpoff kpoff: Key protect OFF SETTING Refer to 5-1 Checking and Changing Setting Values.
  • Page 82 Protect Mode Section 4-3 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.

  • Page 83: Reset Prohibit ( Reset )

    Section 4-3 Reset Prohibit reset · Prohibits the resetting of the K3NP to the initial state and the resetting of max./ min. value with key input. · This function does not prohibit the resetting of the K3NP with external signal FUNCTION input.
  • Page 84 Protect Mode Section 4-3 4. Press the Up Key to display kpon . The displayed setting will be validated au- tomatically if no change is made for five seconds. The reset reset prohibit setting will be displayed again. Note Press the Mode Key to enter the setting immediately. The next pa- rameter will be displayed for setting.

  • Page 85: Security ( Secr )

    Prohibited Prohibited Option Prohibited · The value changes in the following order with the Up Key: 0, 1, 2, and 0 SETTING Follow the steps described below to set the security setting to 1. EXAMPLE Set Value LED Display Model Basic Model 1, 2, 3...
  • Page 86 Protect Mode Section 4-3 4. Press the Up Key to display 1 . The setting will be validated automatically if no change is made for five seconds. The secr security setting will be dis- played again. Note Press the Mode Key to enter the setting immediately. The next pa- rameter will be displayed for setting.

  • Page 87: Operations In Run Mode

    SECTION 5 Operations in RUN Mode This section provides instructions for operating the K3NP in RUN mode. Displaying and Changing Setting Values ........

  • Page 88: Displaying And Changing Setting Values

    5-1-1 Displaying Setting Values Basic Model · When the Mode Key is pressed in RUN mode, the K3NP displays a setting val- ue on the PV display (in the order of HH, H, L, and LL). · While the setting value is displayed, the corresponding SV display status indi- cator is lit.
  • Page 89 RUN mode. 1, 2, 3... 1. Press the Mode Key to display the HH setting value and to light the HH indi- cator of the SV display status indicators. 2. Press the Mode Key again to display the H setting value H and light the H indicator.

  • Page 90: Displaying And Resetting Of Maximum And Minimum Values

    SV display. 1, 2, 3... 1. Press the Mode Key to display the H setting value and to light the H indicator of the SV display status indicators. 2. Press the Shift Key to display all the digits of the setting value 600 for chang- ing.

  • Page 91: Resetting Maximum And Minimum Values

    The external RESET input signal is turned ON. The K3NP receives the reset command through communications. · When the K3NP is reset, the maximum and minimum values are set to the pro- cess value. Note The K3NP cannot be reset with the RESET/TEACH Key if the maximum/mini-...

  • Page 92: External Input Signals

    Note If the prescaling bank is set to OFF, the pscl prescaling value for each bank will be fixed. · When a bank is selected, the corresponding BANK indicator 1, 2, 3, or 4 will be lit.

  • Page 93: Max./Min. Value Reset

    K3NP will start measurement. 5-3-3 RESET · The K3NP will be reset to the initial state when the power is turned ON or when the RESET input is turned ON. · All the displayed values will be reset to “00000”.

  • Page 94: Hold

    5-3-4 HOLD · The K3NP will stop the measurement if the HOLD input is ON. · When the HOLD input is ON, the K3NP will retain the process value, output, and BCD data effective immediately before the HOLD input. · The HOLD indicator is lit while HOLD input is ON.

  • Page 95: Useful Functions

    SECTION 6 Useful Functions This section provides information on the output test and maintenance mode functions of the K3NP. Teaching Function ............

  • Page 96: Teaching Function

    The TEACH indicator will be lit if a parameter that can use the teaching function is displayed. 6-1-1 Set Value · A setting value can be set with the actual input instead of key input in the setting mode. · Follow the steps below to teach the setting value.

  • Page 97: Linear Output Range

    The teaching function can be also used to set the linear output range of the K3NP with the Linear Output Board. · The H and L linear output ranges can be set using the actual measured value instead of key input in the option menu.

  • Page 98: Output Test

    Setup menu test setup 3. Press the Mode Key for more than one second to display 0, which is a simu- lated input value. 4. The simulated input value increases when the Up Key is pressed. Compara- tive outputs are output according to the output pattern that has been preset.

  • Page 99: Maintenance Mode

    K3NP in this mode are described below. 6-3-1 Maintenance Mode · The K3NP will be in maintenance mode if the Mode and Shift Keys are pressed simultaneously while the K3NP is turned on. · The K3NP in maintenance mode will go into RUN mode if the Escape Key is pressed.
  • Page 100 Maintenance Mode Section 6-3 4. Press the Up Key to display yes . Press the Mode Key to initialize all set val- ues. The K3NP will go into RUN mode. Set Value LED Display Model Basic Model RUN mode...

  • Page 101: Bcd Output

    SECTION 7 BCD Output This section provides information on the use of the K3NP with the BCD Output Board. Connectors .............

  • Page 102: Connectors

    Output 4: Read data 10 digit RD5-8 Output 8: Read data 10 digit OVER Output Output when input value is not within the display range. D - V Output Data confirmation signal Output Operation signal GND:VO (See note 1.) Input...

  • Page 103: Section 7 Bcd Output

    Plug: XM2A-3701 (OMRON) Hood: XM2S-3711 (OMRON) The depth required for the installation of the K3NP is 200 mm min. in consider- ation of the space required by the cable. Connecting Conditions Refer to the following for the connecting conditions of each I/O. Refer to 2-3 Out- put Block for output signals HH through LL.
  • Page 104 When the HOLD signal is ON, the measurement operation stops and the pro- cess value input effective immediately before the HOLD signal is retained. When the RESET signal is ON, the maximum and minimum values are set to the process value.

  • Page 105: Timing Charts

    POLARITY signal is OFF and negative when the POLARITY signal is ON. The K3NP in test mode has test data output regardless of the type of REQ signal. Operating Conditions The RUN signal is turned ON in RUN or test mode. The RUN signal is, however, turned OFF when an error other than overflow results.

  • Page 106: Troubleshooting

    SECTION 8 Troubleshooting This section provides information for troubleshooting the K3NP. Items to Be Checked First ..........

  • Page 107: Items To Be Checked First

    Check if there is any source of noise generation near the K3NP. Output Error err-o chg-o Meaning of Error The internal circuit has an error. Remedy Turn the K3NP off and on. If the output error still exists, the K3NP will need to be repaired.
  • Page 108 Note An Intelligent Signal Processor with DC supply voltage requires approximately 1 A DC as control power supply current the moment the Intelligent Signal Processor is turned on. Do not forget to take this into con- sideration when using several Intelligent Signal Processors. When the Intelligent Signal Processor is not in measuring operation (e.g., the Intelligent Signal Processor has been just turned on or is operating for start-...
  • Page 109 ±1.5% FS Permissible load resistance 600 W max. 500 W min. 1 KW min. Note For the 1 mV/10-digit output, the output voltage changes for every 40 to 50 increment in the display value. Communications Item RS-232C, RS-422 RS-485 Transmission method...
  • Page 110 Input signal No-voltage contact (30 Hz max., ON/OFF pulse width: 15 ms min.) Voltage pulse (50 kHz max., ON/OFF pulse width: 9 ms min., ON voltage: 4.5 to 30 V/OFF voltage: --30 to 2 V) Open collector (50 kHz max., ON/OFF pulse width: 9 ms min.) Connectable Sensors ON residual voltage: 3 V max.

  • Page 111: B List Of Settings

    (=one: Zone output) (leUel: Level output) H linear output range (0 to 99999) lset.h L linear output range (0 to 99999) lset.l Remote/Local programming (rmt: Remote; lcl: Local) Note The selected bank number will be displayed where an asterisk (*) appears.

  • Page 112: C Available Models

    K31-FLK3 Combination BCD output + 5 transistor outputs (NPN open collector) K31-B4 output and 4 to 20 mA + 5 transistor outputs (NPN open collector) K31-L4 communication communication 1 to 5 V + 5 transistor outputs (NPN open collector) K31-L5...
  • Page 113 Available Models Appendix C Model Number Legend Base Units and Output Boards can be ordered individually or as sets. Refer to the Output Board Combinations table on page 107. Base Units Output Boards Base Units with Output Boards K3NP -...

  • Page 114: D Available Parameters

    Appendix D Available Parameters Available parameters vary with the output board of the K3NP and are indicated as “YES” in the following table. K3NP Basic Model Output board Menu Parameter C1/C2/ L4/L5/ FLK1/ FLK4/ output C5/T1 L6/L9/ FLK2/ FLK5/ (note 2)
  • Page 115 Security secr Note 1. The linear output range cannot be set with K31-L6 output board. 2. The selected bank number will be displayed where an asterisk (*) appears. K3NP Set Value LED Display Model Output board...
  • Page 116 Available Parameters Appendix D Protect Mode Output board Menu Parameter C1/C2 L4/L5/L6 FLK4/ /C5/T1 /L9/L10 FLK5/ FLK6 All key protect prot Protect menu Set value change prohibit sUset Maximum/Minimum value clear prohibit to reset reset to the initial state Security secr...

  • Page 117: E Setting Examples

    Setting Examples In the following example, with the K3NP, passing speed (mm/s) on condition that there is a distance of 1 meter between the sensors with transistor output, the prescaling bank is set to OFF, and the prescaling value is set to 1000 x 1/60 (i.e., approximately 16.6666).

  • Page 118: Index

    HOLD input, wiring, 13 baud rate, setting, 56 HOLD input, 86 BCD output, ratings, 102 description, 2 BCD Output Boards host computer, unit number setting, 56 connectors, 94 operation, 93 timing charts, 97 indicators, description, 3 Initialization, of set values, 91...
  • Page 119 Reset Prohibit, setting, 74 available models, 107 available parameters, 109 RESET signal, 85 output error, 100 response time, of HOLD input, 21, 24, 26, 29, 32, 35 output test, operation, 90 RUN mode, 7 output test function, description, 2 RUN mode, operations, 79...
  • Page 120 80 operating mode setting, 50 initializing, 91 protecting, 72 time units, setting, 54 setting ranges, 42 timing charts, for BCD Output Boards, 97 setting examples, 113 transistor input, setting, 52 Setting mode, 8 transistor output, ratings, 102 Setting mode, 39...

  • Page 121: Revision History

    Revision History A manual revision code appears as a suffix to the catalog number on the front cover of the manual. Cat. No. N94-E1-1 Revision code The following table outlines the changes made to the manual during each revision. Page numbers refer to the previous version.

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