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Omron K3NP, Operation Manual

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Omron K3NP Operation Manual Download Page 10

4

Section

Noise Prevention

xiii

4

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

Period Meter

Power

input

Power

input

Signal

input

+++

--

Period Meter

·

Countermeasures for protecting the product against inductive noise produced

from the input line.

2-conductor shield wire

+

Period Meter

--

Summary of Contents for K3NP

Page 1: ...K3NP Period Meter Operation Manual Produced January 1998...

Page 2: ...iv...

Page 3: ...word and is abbreviated Wd in documentation in this sense The abbreviation PC means Programmable Controller and is not used as an abbreviation for any thing else Visual Aids The following headings app...

Page 4: ...vi...

Page 5: ...le F2 23 3 3 Time Difference F3 25 3 4 Elapsed Time F4 28 3 5 Length Measurement F5 31 3 6 Interval F6 34 SECTION 4 Parameter Setting 37 4 1 Overview 38 4 2 Setting Mode 39 4 3 Protect Mode 69 SECTION...

Page 6: ...TABLE OF CONTENTS viii Appendices A Specifications 101 B List of Settings 105 C Available Models 107 D Available Parameters 109 E Setting Examples 113 Index 115 Revision History 119...

Page 7: ...ions for operating the K3NP 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 K3NP with the BCD Outp...

Page 8: ...nformationcontainedinthissectionisimportantforthe safeandreliableapplicationofthe K3NP Youmustread this section and understand the information contained before attempting to set up or operate the K3NP...

Page 9: ...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...

Page 10: ...e the product is exposed to noise Countermeasures for protecting the product against high frequency noise or abnormal voltages Line filter Period Meter Power input Power input Signal input Period Mete...

Page 11: ...ctionsoftheK3NP Themaincomponentsarealsodescribed Refertotheremainingsectionsof this manual for the operation of the K3NP and its menus in detail 1 1 Features 2 1 2 Front of the Meter 3 1 3 Rear of th...

Page 12: ...l data output format whereevery fourbinary bitsis numericallyequivalent to one decimal digit Refer to Section 7 BCD Output Refer to the Communications Manual HOLD is an external input which is used to...

Page 13: ...t 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...

Page 14: ...ance mode tothe RUNmode This key is also used to return to the previous operation during the setting pro tect or maintenance mode Displays a setting value out of HH H L and LL setting values in this o...

Page 15: ...0 1 2 3 4 5 6 7 8 9 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 K3NP to its initial state or to res...

Page 16: ...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 Input Board K3NP with BC...

Page 17: ...arameter 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...

Page 18: ...alues 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 K3NP makes it possible for the host com pute...

Page 19: ...P 2 1 Mounting 10 2 2 Input Block 11 2 2 1 Terminal Arrangement 11 2 2 2 Wiring Precautions 11 2 2 3 Wiring 12 2 3 Output Board 14 2 3 1 Terminal Arrangement 14 2 3 2 Relay Output Board 16 2 3 3 Trans...

Page 20: ...8 2 mm PV LED Indicator Size Panel Cutouts 45 0 8 0 92 0 8 0 120 min 75 min Recommended panel thickness is 1 to 3 2 mm Do not mount more than oneUnit closelyin thehorizontal orvertical direction Be s...

Page 21: ...ratchet be comes 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 inpu...

Page 22: ...urrent leakage with sensor turned off 1 5 mA max Switching load current 20 mA or greater Must be able to dependable switch a load current of 5 mA max Photoelectric sensors proximity sensors rotary enc...

Page 23: ...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 t...

Page 24: ...31 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 B...

Page 25: ...15 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 Output Board Section 2 3...

Page 26: ...H comparative output PASS output PASS output L comparative output L comparative output LL comparative output HH comparative output PASS output LL comparative output H comparative output L comparative...

Page 27: ...Boards K31 FLK6 1 2 3 4 5 6 21 22 23 24 25 26 COM COM COM 32 33 34 35 36 37 The following transistor output conditions are required Maximum rated voltage 24 VDC Load current 50 mA Current leakage with...

Page 28: ...es This section provides information on the basic operation of the K3NP in operating mode 3 1 Passing Speed f1 20 3 2 Cycle f2 23 3 3 Time Difference f3 25 3 4 Elapsed Time f4 28 3 5 Length Measuremen...

Page 29: ...value D as follows D m min 1 T x 60 x a T Time interval between INA turning ON and INB turning ON sec a Prescale value Hold Measured Value When the HOLD input turns ON while the K3NP is measuring the...

Page 30: ...cation and transistor output Comparative output 25 ms max 20 ms max 35 ms max 35 ms max 20 ms max BCD output Refer to page 93 Linear output 40 ms max The response time of the HOLD input is the time re...

Page 31: ...nk no of prescale values p bank Yes 46 Prescaling value of input A X mantissa Y exponent ps ax ps ay Yes Decimal point position decp Yes setup Operating mode func Yes 50 Input A sensor type ina Yes 52...

Page 32: ...using time in the time unit display setting parameter the passing time can be displayed in units of hours minutes and seconds To set a prescale value refer to 4 2 4 Prescaling Menu Display Value previ...

Page 33: ...Function Displayed Character Availability Reference page Max Min value display and reset Yes 82 sUset note 1 Set value bank no of set values s bank Yes 42 HH set value sU hh H set value sU h L set va...

Page 34: ...lows D m min T x a T The time sec between INA turning ON and INB turning ON a Prescale value To set a prescale value refer to 4 2 4 Prescaling Menu Display Value previously measured TR Recovery time T...

Page 35: ...t after the HOLD input turns ON This is illustrated in the following diagram Recovery Time TR Recovery time is the period required for the K3NP to become ready for the next measuring operation after a...

Page 36: ...oint position decp Yes setup Operating mode func Yes 50 Input A sensor type ina Yes 52 Input B sensor type inb Yes Time unit time Yes 54 Communications unit no note 1 u no Yes 56 Baud rate note 1 bps...

Page 37: ...escale value To set a prescale value refer to 4 2 4 Prescaling Menu Display Value previously measured TR Recovery time INA HOLD T1 TR T2 T3 T4 T4 X a T2 X a T1 X a Refer to the following table to set...

Page 38: ...ut after the HOLD input turns ON This is illustrated in the following diagram Recovery Time TR Recovery time is the period required for the K3NP to become ready for the next measuring operation after...

Page 39: ...point position decp Yes setup Operating mode func Yes 50 Input A sensor type ina Yes 52 Input B sensor type inb No Time unit time Yes 54 Communications unit no note 1 u no Yes 56 Baud rate note 1 bps...

Page 40: ...g Menu INA INB HOLD Display Value previously measured C1 TR C2 C3 C4 C1 X a C2 X a C4 X a TR Recovery time Refer to the following table to set the most suitable prescaling value Mode Unit of display v...

Page 41: ...se time of the HOLD input is the time required for the K3NP to accept HOLD input after the HOLD input turns ON This is illustrated in the following diagram Recovery Time TR Recovery time is the period...

Page 42: ...int position decp Yes setup Operating mode func Yes 50 Input A sensor type ina Yes 52 Input B sensor type inb Yes Time unit time No 54 Communications unit no note 1 u no Yes 56 Baud rate note 1 bps Ye...

Page 43: ...refer to 4 2 4 Prescaling Menu INA INB HOLD Display Value previously measured C1 TR C2 C3 C4 C1 X a C2 X a C4 X a TR Recovery time Refer to the following table to set the most suitable prescaling valu...

Page 44: ...esponse time of the HOLD input is the time required for the K3NP to accept HOLD input after the HOLD input turns ON This is illustrated in the following diagram Recovery Time TR Recovery time is the p...

Page 45: ...al point position decp Yes setup Operating mode func Yes 50 Input A sensor type ina Yes 52 Input B sensor type inb No Time unit time Yes 54 Communications unit no note 1 u no Yes 56 Baud rate note 1 b...

Page 46: ...bank 46 Prescaling Value X Mantissa of Input A ps ax 46 Prescaling Value Y Exponent of Input A ps ay 46 Decimal Point Position decp 46 4 2 5 Setup Menu setup 50 Operating Mode func 50 Sensor Type ina...

Page 47: ...modes RUNmode fornormal operations Setting modefor initial parameter input Protect mode for lock out configuration and Mainte nance mode for initializing set values The parameters that are accessible...

Page 48: ...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...

Page 49: ...efer to Section 6 Useful Functions Prescaling menu 1 to 4 Bank no of pres cale Prescaling value of input A X mantissa Prescaling value of input A Y exponent Decimal point position Press the Mode Key f...

Page 50: ...sor type Input B sensor type Time unit Communications unit no Baud rate Word length Stop bits Parity bits Option menu Comparative out put pattern H linear output range L linear output range Remote Loc...

Page 51: ...tons setting in Settingmode orby the teaching function Setting Setting range Default Set value bank 1 to 4 1 HH set value 0 to 99999 99 999 H set value 0 to 99999 99 999 L set value 0 to 99999 0 LL se...

Page 52: ...e 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...

Page 53: ...alue 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 ch...

Page 54: ...Basic Model 14 Press the Mode Key to display the set value 00000 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...

Page 55: ...9 to 9 0 decp Decimal point position One of the 1st to 4th digits from the right No decimal point position setting Refer to Section 3 Operating Modes Follow the steps described below to input the foll...

Page 56: ...ue X mantissa of input A setting Set Value LED Display Model Basic Model 5 Press the Shift Key to display the set value 1 0000 for changing The PROG indicator will flash Set Value LED Display Model Ba...

Page 57: ...play Model Basic Model 10 Press the Mode Key to display the decp decimal point position setting Set Value LED Display Model Basic Model 11 Press the Shift Key to display for changing Set Value LED Dis...

Page 58: ...49 13 Press the Escape Key to display the pscl prescaling menu Set Value LED Display Model Basic Model Setting Mode Section 4 2...

Page 59: ...nted while input B is ON f6 Displays the number of pulses of input A counted between the moment in put B is turned ON and the moment input B is turned ON again Setting Default f1 Passing speed f2 Cycl...

Page 60: ...e 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 Ba...

Page 61: ...ect Voltage Pulse Input Sensor type Active high H Active low L Default Transistor input 00 01 00 Follow the steps described below to set input A to 11 in operating mode f1 passing speed Set Value LED...

Page 62: ...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...

Page 63: ...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...

Page 64: ...seconds The time time unit setting will be dis played again Set Value LED Display Model Basic Model When no operation is executed for five seconds Set Value LED Display Model Basic Model 5 Press the...

Page 65: ...ps 9600 9 600 bps 19200 19 2 Kbps 38400 38 4 Kbps 9600 This setting is available for the K3NP with the Communications Output Board Follow the steps described below to set the communications unit numbe...

Page 66: ...isplay 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 valu...

Page 67: ...for the K3NP 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 Mode...

Page 68: ...he 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 val...

Page 69: ...onds 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 Set Value LED Display Model Basic M...

Page 70: ...n 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 sma...

Page 71: ...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 Comparat...

Page 72: ...rn 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 Mo...

Page 73: ...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 functio...

Page 74: ...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...

Page 75: ...e 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 immediat...

Page 76: ...amming 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...

Page 77: ...o 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 Set Value L...

Page 78: ...while turning the K3NP 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 m...

Page 79: ...ing Mode Protect menu All key protect No key input for 2 seconds No key input for 2 seconds No key input for 2 seconds No key input for 2 seconds Key protect ON Key protect OFF Key protect ON Key prot...

Page 80: ...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...

Page 81: ...tting 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 w...

Page 82: ...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...

Page 83: ...elow to set key protect 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 app...

Page 84: ...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 Set Value LED Display Model...

Page 85: ...low to set the security setting to 1 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 settin...

Page 86: ...s 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 Set Value LED Disp...

Page 87: ...alues 80 5 1 1 Displaying Setting Values 80 5 1 2 Changing Setting Values 80 5 2 Displaying and Resetting of Maximum and Minimum Values 82 5 2 1 Displaying Maximum and Minimum Values 82 5 2 2 Resettin...

Page 88: ...le the process maximum or minimum value is dis played on the PV display When the Mode Key is pressed the K3NP displays a setting value in the order of HH H L and LL on the SV display 5 1 2 Changing Se...

Page 89: ...the digits of the prior setting value 600 for changing 4 Press the Up and Shift Keys to set the value to 00700 5 The input will be entered if nothing else is input within five seconds or Press the Mod...

Page 90: ...00 4 The input will be entered if nothing else is input within five seconds or Press the Mode Key to display the L setting value for changing The H set ting value will appear again if nothing else is...

Page 91: ...will be reset when one of the following is performed The RESET TEACH Key is pressed for more than one second while the maximum or minimum value is displayed The external RESET input signal is turned...

Page 92: ...5 3 External Input Signals 5 3 1 Bank Selection The K3NP uses BANK1 and BANK2 signals to select the setting value pres caling value and decimal point position of the bank 1 2 3 or 4 Refer to the foll...

Page 93: ...x value Min value Prescaling value of input A Note The K3NP holds the maximum and minimum values that have been recorded since the K3NP was turned ON or while the RESET input is ON Whenever the RESET...

Page 94: ...ss value output and BCD data effective immediately before the HOLD input The HOLD indicator is lit while HOLD input is ON If the HOLD input is turned ON while the measurement is being performed the me...

Page 95: ...vides information on the output test and maintenance mode functions of the K3NP 6 1 Teaching Function 88 6 1 1 Set Value 88 6 1 2 Linear Output Range 89 6 2 Output Test 90 6 3 Maintenance Mode 91 6 3...

Page 96: ...e displayed andthe teachingindica tor will flash 2 Press the RESET TEACH Key again to retrieve the process value immedi ately before the key was pressed as a set value The teaching indicator will be l...

Page 97: ...The teaching indicator will be lit and the parameter will be displayed Press the Escape Key to interrupt teaching Follow the steps described below to set the H linear output range by using the teachi...

Page 98: ...s the Mode Key until the test output test setting is dis played RUN mode Setting Mode 1 second Setting values menu Prescaling menu Output Test Option menu Setup menu sUset test opt setup pscl 3 Press...

Page 99: ...n Power On Press the Escape and Up Keys for 1 second Maintenance mode RUN mode 1 second Setting mode Protect mode 6 3 2 Initialization Follow the steps described below to reset the set values of the K...

Page 100: ...92 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 Maintenance Mode Section 6 3...

Page 101: ...93 SECTION 7 BCD Output This section provides information on the use of the K3NP with the BCD Output Board 7 1 Connectors 94 7 2 Timing Charts 97...

Page 102: ...Output 2 Read data 103 digit 16 RD4 4 Output 4 Read data 103 digit 17 RD4 8 Output 8 Read data 103 digit 18 RD5 1 Output 1 Read data 104 digit 19 RD5 2 Output 2 Read data 104 digit 20 RD5 4 Output 4...

Page 103: ...following connectors are provided with the K3NP 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 t...

Page 104: ...h RD5 4 in the same way as RD1 1 through RD1 4 2 Connect the RUN and OVER signals if they are used as status data Signals When the HOLD signal is ON the measurement operation stops and the pro cess va...

Page 105: ...l Pulse of 20 to 50 ms duration All data H DATA All data H Approx 30 ms 40 ms 16 ms DSV The REQ signal must be kept ON as shown below if the K3NP has continuous data output All data H DATA 1 DATA 2 Ap...

Page 106: ...99 SECTION 8 Troubleshooting This section provides information for troubleshooting the K3NP 8 1 Items to Be Checked First 100 8 2 Display 100 8 2 1 Flashing 100 8 2 2 Error Message 100...

Page 107: ...ignals will be retained The display will flash for three seconds if an attempt is made to change a set ting on the K3NP Set to remote programming to accept key input 8 2 2 Error Message The error cond...

Page 108: ...torage 20 C to 65 C with no icing Ambient humidity Operating 25 to 85 with no condensation Ambient atmosphere Must be free of corrosive gas EMC Emission Enclosure EN55011 Group 1 class A Emission AC M...

Page 109: ...ge input 10 mA Signal level ON voltage 1 5 V max OFF voltage 3 V min Outputs DATA POLARITY OVERFLOW DATA VALID RUN Rated load voltage 12 to 24 VDC 10 15 DATA VALID RUN Max load current 10 mA Leakage c...

Page 110: ...freely Can be set using prescale value teaching HOLD functions Max value peak hold Min value bottom hold External control HOLD Process value held RESET Maximum minimum data reset BANK Selection of one...

Page 111: ...nput A 9 to 09 decp Decimal point position setup func Operating mode f1 to f6 Setup menu ina inb Sensor type 00 01 10 11 time Time unit scal 0 to 99999 sec 0 to 99999 s min 0 to 99999 min mm ss d minu...

Page 112: ...puts NPN open collector K31 T1 Yes Yes 5 outputs PNP open collector K31 T2 Yes Yes BCD see note 5 digit output NPN open collector K31 B2 Yes Linear 4 to 20 mA DC K31 L1 Yes 1 to 5 VDC K31 L2 Yes 1 mV...

Page 113: ...CD output NPN open collector see note B4 BCD output 5 transistor outputs NPN open collector L1 Linear output 4 to 20 mA see note L2 Linear output 1 to 5 VDC see note L3 Linear output 1 mV 10 digits se...

Page 114: ...S ps ay Prescaling value Y exponent of input A YES YES YES YES YES YES YES YES decp Decimal point position YES YES YES YES YES YES YES YES setup func Operating mode YES YES YES YES YES YES YES YES Set...

Page 115: ...YES YES YES value menu sU h H set value YES YES YES YES menu sU l L set value YES YES YES YES sU ll LL set value YES YES YES YES pscl p bank Bank no of prescale YES YES YES YES Prescaling menu ps ax...

Page 116: ...oard C1 C2 C5 T1 B4 L4 L5 L6 L9 L10 FLK4 FLK5 FLK6 prot all All key protect YES YES YES YES Protect menu sUset Set value change prohibit YES YES YES YES reset Maximum Minimum value clear prohibit to r...

Page 117: ...nu Operating mode Set with the Up Key Set with Shift and Up Keys Set with Shift and Up Keys Set with the Up Key Set with Shift and Up Keys Set with Shift and Up Keys Set with the Up Key Option menu Ou...

Page 118: ...t values initializing set values 91 dimensions 10 display description 3 troubleshooting 100 E F elapsed time 28 operating mode setting 50 error messages 100 examples setting examples 113 external cont...

Page 119: ...tion 90 output test function description 2 P panel cutouts 10 parameter settings 37 procedures 38 parameters available in each Output Board 109 list 105 parity bits setting 58 PASS output 61 passing s...

Page 120: ...01 speed displaying passing speed 20 standard models 107 standard output 61 stop bits setting 58 T teaching function operation 88 terminal arrangement BCD Output Boards 94 input block 11 output board...

Page 121: ...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 versio...

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