CJ1W-CT021
Contents
1. CJ1W CT021 Item CJ1W CT021 Every Counter can be reset to zero by a combination of the following sources e Software Counter Reset Bit e Digital Input 1 e Z Input 1 Reset Signals e Programmable Output Pulse 1 To every Digital Output an ON delay and or a Pulse Duration 1 to 9999 ms can be applied e Rate Measurement 1 4 For every Counter the Pulse Rate can be measured by defining a Time Window 1 to 9999 ms Up to a maximum of 64 Rate Values are stored in the Rate History Log File Rate Values from the Rate History Log File can be read using the IORD instruction Additionally for every Counter two Rate Ranges can be defined that control the Outputs according to the mea sured Rate Value e Hysteresis 1 To prevent Outputs from being switched On and Off by very small fluctuations in the Counter Value around Range Limits for every Counter an Hysteresis value 1 to 255 can be defined the Unit must in Range Mode Extra Functions To suppress noise on the signal lines of the Counter Inputs A and B and the Digital Inputs 10 and 11 a Noise Filter can be config ured e 10 kHz 1 e 50 kHz default e 500 kHz 1 For the Digital Inputs the 500 kHz filter can not be selected The Z Input Signals of every Counter are filtered with a fixed Noise Filter of 1 kHz Noise Filtering Counter In puts and Digital Inputs e The Initial Counter Value 1 is transferred to the Unit when the Unit is Powered Up or2. Proximity Switch Motor Interface ON OFF High Low Speed Forward Reverse Brake ON OFF Proximity Switch Other Actuators OMRON CJ1W CT021 Ordering Information International Standards e The standards are abbreviated as follows U UL U1 UL Class Division 2 Products for Hazardous Locations C CSA UC cULus UC1 cULus Class Division 2 Products for Hazardous Locations CU cUL N NK L Lloyd and CE EC Directives e Contact your OMRON representative for further details and applicable conditions for these standards rere Current con Specifications i Product i Men yah sumption A Unit type numbers allo Standards name Countable Encoder A and B inputs Max count cated 5V 24V channels pulse input Z signals ing rate Highspeed Open collector Counter Unit Input voltage 5 VDC 12 V or 24 V 50kHz 5 V and 12 V are each for one axis only CJ1 Spe lt o l L UC1 N L cial I O i 4 0 28 CJ1W CT021 a 7 CE Units 1e gii RS 422 line driver 500kHz Note The following functions become unavailable when it is used with the NJ series CPU unit Counter value capture using allocation area CIO The capture Stop capture continue Stop capture reset continue and Capture reset functions using External Control Input Function Pulse rate range control using Output Control Mode The pulse rate measurement function Because the NJ Series has no power OFF interrupt task operation cannot be restarted from the posi
3. Inputs e 2 Digital Outputs OO and O1 The Unit Output Pattern represents the 2 Digital Outputs and 30 Soft Outputs e Phase Differential multiplication x1 multiplication x2 1 and multiplication x4 1 e Up Down 1 e Pulse amp Direction 1 e Open Gate Start Counter Counter is enabled to count pulses e Close Gate Stop Counter Counter is disabled to count pulses e Preset Counter Preset Value can be set in ClO e Reset Counter to zero e Capture Counter Value Captured Counter Value can be read using ORDinstruction Digital Input Functionality e Gate 1 e Reset 1 e Preset 1 e Capture 1 e Stop Capture Continue 1 4 e Stop Capture Reset Continue 1 4 e Capture Reset 1 4 e Enable Reset 1 e Disable Reset 1 For every Function the corresponding action can be triggered on a rising or on a falling edge Output Control Mode Output State Control e Automatic ON OFF output according to the following three modes Range Mode 1 Comparison Mode 1 Rate Range 1 4 e Manual output control On changing the Operating Mode of the controller from RUN MONITOR PROGRAM an I O Bus Error or an Overflow Underflow Error the Digital Outputs can be configured to e Continue automatic updating Output States e Freeze Output States 1 e Predefine Output States 1 Output Driver Configuration The Output Driver of every Digital Output can be configured as e NPN e PNP 1 OMRON
4. W401 CJ1W CT021 Operation Manual basic settings memory operation direct operation from CPU and other functions The methods and precautions for using CJseries High speed Counter Units with an NJ501 CPU CJ series High speed Counter Aa a Unit are described including access methods and programming interfaces W492 CJ1W CT021 Units Operation Manual for NJ series CPU Unit Use these manuals together with the NJ series CPU Unit Hardware User s Manual Cat No W500 and NJ series CPU Unit Software User s Manual Cat No W501 OMRON Read and Understand This Catalog Please read and understand this catalog before purchasing the products Please consult your OMRON representative if you have any questions or comments Warranty and Limitations of Liability WARRANTY OMRON s exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year or other period if specified from date of sale by OMRON OMRON MAKES NO WARRANTY OR REPRESENTATION EXPRESS OR IMPLIED REGARDING NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE OMRON DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED LIMITATIONS OF LIABILITY OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES LOS
5. tasks No external interrupt tasks can be activated if the Unit is in any other position i e 6th Unit position or further away from the CJ1 H CPU Unit or 4th Unit position or further away from the CJ1M CPU Unit or if itis on a CJ series Expansion Rack 2 The maximum number of Units per Rack is also depending on the maximum supply current of the Power Supply Unit and the current consumption of other Units on the Rack 3 The CJ1W CT021 Special I O Unit is allocated words for 40 words in the Special I O Unit CIO Area 4 The CJ1W CT021 Special I O Unit is allocated words for 4 Units in the Special I O Unit DM Area From the 400 DM words that are allocated the first 113 words are used to make the DM settings and the remaining 287 words can be used as work words Functional Specifications Item Number of Counters CJ1W CT021 2 Counter Type e Simple Counter e Circular Counter e Linear Counter The Counter Type can be chosen by DIP switch at the front of the Unit By default the Counters are set to Simple Counter Maximum Input Frequency 500 kHz Maximum Response Time Signals per Counter Digital I O Input Signal Types Counter Control using CIO software bits 4 0 5 ms refer to High speed counter Unit Operation Manual Cat No W401 Phase A B and Z e 2 Digital Inputs 10 and 11 Every Digital Input can be assigned to a Counter In this way one Counter can be controlled by a maximum of 2 Digital
6. CJ series High speed Counter Unit CJ1W CT021 High Speed Flexible Control With A Wide Array of Features CSM_CJ1W CT_DS_E_3_1 e Equipped with 2 Counters and counts over a maximum binary range of 32 bits e Accepting input pulse frequencies of up to 500 kHz allows precise control of fast motions e The Unit is equipped with 2 Digital Inputs 2 Digital Outputs and 30 Soft Outputs e A maximum response time of 0 5 ms guarantees high speed closed loop control of applications CJ1W CT021 Features e Input frequencies to 500 kHz e 32 bit counting range e Digital variable noise filter provided e 5 12 24 V line driver inputs available e Supports simple ring and linear counting modes e Supports two external control inputs and a total of 16 functions can be set open gate close gate preset reset capture stop capture reset combinations reset enable and more e One Unit supports two external outputs and 30 internal outputs with counter value zone comparisons target comparisons delays holds programmable outputs and hysteresis settings e Pulse rate measurement function and data logging e Counter outputs and external control inputs can be used to trigger interrupt tasks in the CPU OMRON CJ1W CT021 System Configuration High speed Counter Unit CJ1W CT021 Counter Inputs Typical applicable Sensors for Digital Inputs Typical applicable Actuators for Digital Outputs Encoder
7. Restarted The Initial Counter Value is very Initial Counter Value 4 useful to overcome problems in case of power failure Run time 3 configuration and operation of the High speed Counter Unit is possible by using IORD and I OWR instructions The following data can be read or written e DM configuration data 1 e Range and Comparison Data 1 e Captured Counter Value e Rate History Log File Data 1 e Counter Value e Re Configure High speed Counter Unit 1 e Error Clear IORD and IOWR instruc tions 4 e The Digital Outputs and the Soft Outputs of the Unit Output Pattern can all be configured to generate interrupts to the CJ1 H CJ1M CPU Unit 1 2 Interrupts of Digital Inputs 4 e The Digital Inputs can all be configured to generate interrupts to the CJ1 H CJ1M CPU Unit 2 Interrupts of Outputs 4 Error History Log Function e Stores up to 30 error log records 1 This specification item is only supported for Circular and Linear Counters not for Simple Counters For a complete overview of the differences between Simple and Circular Linear Counters refer to High speed Counter Unit Operation Manual Cat No W401 2 To activate external interrupt tasks a CJ1 H or CJ1M CPU Unit must be used CJ1 CPU Units do not support external interrupt tasks To activate external interrupt tasks in a CJ1 H CPU Unit the CJ1W CT021 High speed Counter Unit must be in one of the five positions immediately to the right of
8. S OF PROFITS OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS WHETHER SUCH CLAIM IS BASED ON CONTRACT WARRANTY NEGLIGENCE OR STRICT LIABILITY In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY REPAIR OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED STORED INSTALLED AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION ABUSE MISUSE OR INAPPROPRIATE MODIFICATION OR REPAIR Application Considerations SUITABILITY FOR USE OMRON shall not be responsible for conformity with any standards codes or regulations that apply to the combination of products in the customer s application or use of the products At the customer s request OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product machine system or other application or use The following are some examples of applications for which particular attention must be given This is not intended to be an exhaustive list of all possible uses of the products nor is it intended to imply that the uses listed may be suitable for the products Outdoor use uses involving poten
9. ck Backplane CP1H PLC NSJ Controller Backplane 10 Units 10 Units CJ1W CT021 10 Units per Expansion 10 Units per Expansion 2 Units Not supported 8 Units Rack Backplane A CP1W EXT01 CJ Unit Adaptor is required OMRON Specifications CJ1W CT021 General Specifications Item Unit type General Specifications CJ1W CT021 CJ series Special I O Unit Conform to general specifications for CJ NJ series Ambient Operating Temperature 0 to 55 C Ambient Storage Temperature 20 to 75 C Ambient Operating Humidity 10 to 90 without condensation Internal Current Consumption 280 mA at 5 V Dimensions Weight 31 x 90 x 65 mm W x H x D 100 g Mounting Position CJ series CPU Rack or CJ series Expansion Rack 1 NJ series CPU Rack or NJ series Expansion Rack Maximum Number of CT021 Units per Rack Equal to the number of slots of the Rack 2 Maximum Number of CT021 Units per basic CJ NJ system 24 Data Exchange with CPU Unit e O Refresh Data Area CIO bits 200000 to 255915 ClO words 2000 to 2959 3 e Special I O Unit DM Area D words 20000 to 29599 400 DM words per Unit are transmitted form the CPU to the Unit at Power Up or when the Unit is restarted 4 1 The Unit must be in one of the five positions immediately to the right of the CJ1 H CPU Unit or in one of the three positions immediately to the right of the CJ1M CPU Unit to activate external interrupt
10. ilure due to a detected error ERC Red OFF Unit has no operational failure ON CPU Unit has operational failure ERH Red OFF CPU Unit has no operational failure eae G ON Channel 1 2 i e Counter 1 2 is ready to count the corresponding counting gate is open reen OFF Counter 1 2 is not ready to count the corresponding counting gate is closed ON Physical Input A B Z has turned ON Every Counter is characterised by the signals A B Z A B Z Yellow OFF Physical Input A B Z is turned OFF ON Digital Input 10 11 is turned ON 10 11 Yellow OFF Digital Input 10 11 is turned OFF ON Digital Output 00 01 is turned ON 00 01 Yellow OFF Digital Output 00 01 is turned OFF OMRON CJ1W CT021 Using Connector Terminal Conversion Unit Wiring reguires the dedicated connection cables Connector Terminal Conversion Unit and Connection Cables are sold separately Model Connection Cable Connector Terminal Conversion Unit CJ1W CT021 xw2z O0O0OB XW2B 40G4 40 pin M2 4 screw terminals XW2B 40G5 40 pin M3 5 screw terminals XW2D 40G6 40 pin M3 screw terminals OMRON CJ1W CT021 Dimensions Unit mm CJ1W CT021 OCH1 OAOBOZ ald OOO OCH2 DADBOZ O11 001 Dimensions with Connector 112 5 Connecting Cable LJ Related Manuals Cat No Model Name Contents High speed Counter Units Provides information on operating and installing High speed Counter Units including details On
11. lt the Outputs are configured as NPN output The Digital Outputs are insulated from the I O bus but not from each other They are not short circuit protected The Output current must not exceed 200 mA per common i e per 2 Digital Outputs otherwise the unit will be damaged The Outputs can be automatically or manually controlled DM setting by using Manual Output Control in CIO The state control of the Outputs in case the operating mode of the CPU Unit is changed from RUN MONITOR PROGRAM an I O Bus error or an Overflow Underflow error occurs can be configured O amp N Maximum Switching Capacity The maximum switching current depends upon the power supply voltage as shown below Maximum S witching Capacity mA 10 2 20 4 26 4 External Supply Voltage VDC OMRON External Interface C1021 RUN ERC ERH OCH1 DAOBoOZ ald HOO OCH2 OADBOZ Oli O01 Indicators Machine Number Switch Counter Mode Switch The indicators on the LED display show CJ1W CT021 the operating status of the Unit The following table shows the meaning of the indicators LED Color State Description ON Unit is in operation i e Unit has initialised normally after re starting the Unit RUN Green OFF Unit is not in operation i e Unit was not able to initialise normally after re starting the Unit or the power to the Unit is switched OFF ON Unit has operational fa
12. t typical 7 3 mA 6 6mA 6 mA 14 mA ON Voltage min 18 6 V 9 8V 45V Connectable to RS 422 compatible OFF Voltage max 4 V 2 5V 15V Line Drivers Note 1 The Counter Inputs A B Z are insulated from each other and from the Digital Inputs The Digital Inputs are also insulated from each other All Counter Inputs and Digital Inputs are reverse polarity protected and insulated from the I O bus 2 A noise filter can be configured 10 kHz or 50 kHz default for the Digital Inputs Every Z Input has a defined noise filter of 1 KHz 3 If the 50 kHz noise filter is configured for External Control Inputs signals of 10 us or longer can be read Counter Inputs A B Z and Digital Inputs 5 12 24V input signals Counter inputs A and B Input pulses with a duty factor of 50 Relationship between A and B phases with phase differential inputs Phase B i Maximum allowed frequency of Z pulses is 1 kHz RS 422 Line Driver signals Counter inputs A and B Input pulses with a duty factor of 50 Off Relationship between A and B phases with phase differential inputs i H i Phase A On OV Off Phase B On OV wnnnnndennneeennnnnccnnccnnfenennns Off Z E I Maximum allowed frequency of Z pulses is 1 kHz OMRON CJ1W CT021 Filter Timing requirement ps Selection A B F I J 10 kHz lt 3 gt 50 gt 23 gt 10 50 kHz lt 3 gt 10 gt 4 5 gt 10 500 kH
13. the CJ1 H CPU Unit For CJ1M CPU Units the CJ1W CT021 High speed Counter Unit must be in one of the three positions immediately to the right of the CJ1M CPU Unit No external interrupt tasks can be activated if the Unit is in any other position i e 6th Unit position or further away from the CJ1 H CPU Unit or 4th Unit position or further away from the CJ1M CPU Unit or if it is on a CJ series Expansion Rack Power Supply Unit CJ1 H or CJ1M CPU Unit HUN YIOL For CJ1 H CPU Units External interrupt tasks can be activated only from these Units _ For CJ1M CPU Units External interrupt tasks can be activated only from these Units 3 If an IOWR or IORD instruction is used during operation comparison will stop during instruction execution Care must be taken therefore with the timing of executing instructions 4 This specification item cannot be used with N J series CPU units OMRON Input Specifications CJ1W CT021 Digital Inputs Item Counter Inputs A and B l0 and 11 24 VDC 12 VDC 5 VDC 24 VDC nputvoltagE 19 6 to 26 4 V 9 8 to 13 2 V 4 5 to 5 5 V One Driver 19 6 to 26 4 V Input Current typical 8 mA 8 mA 7 MA 11 mA 7 6 mA ON Voltage min 19 6 V 9 8 V 4 5 V Connectable to RS 422 compatible 19 6 V OFF Voltage max 2 5 V 1 5 V Line Drivers 4V Item Counter Input Z 24 VDC 12 VDC 5 VDC l s mputVoltage 18 6 to 26 4 V 9 8 to 13 2 V 4 5 to 5 5 V Eine Driver Input Curren
14. tial chemical contamination or electrical interference or conditions or uses not described in this catalog Nuclear energy control systems combustion systems railroad systems aviation systems medical equipment amusement machines vehicles safety equipment and installations subject to separate industry or government regulations Systems machines and equipment that could present a risk to life or property Please know and observe all prohibitions of use applicable to the products NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM PROGRAMMABLE PRODUCTS OMRON shall not be responsible for the user s programming of a programmable product or any consequence thereof Disclaimers CHANGE IN SPECIFICATIONS Product specifications and accessories may be changed at any time based on improvements and other reasons It is our practice to change model numbers when published ratings or features are changed or when significant construction changes are made However some specifications of the products may be changed without any notice When in doubt special model numbers may be assigned to fix or establish key specifications for your application on your request Please consult with your OMRON representative at any
15. time to confirm actual specifications of purchased products DIMENSIONS AND WEIGHTS Dimensions and weights are nominal and are not to be used for manufacturing purposes even when tolerances are shown PERFORMANCE DATA Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty It may represent the result of OMRON s test conditions and the users must correlate it to actual application requirements Actual performance is subject to the OMRON Warranty and Limitations of Liability ERRORS AND OMISSIONS The information in this document has been carefully checked and is believed to be accurate however no responsibility is assumed for clerical typographical or proofreading errors or omissions 2011 12 In the interest of product improvement specifications are subject to change without notice OMRON Corporation Industrial Automation Company http www ia omron com c Copyright OMRON Corporation 2011 All Right Reserved
16. tion at which the power was interrupted The IORD IOWR instruction Starting of External Interrupt Task by Output and External Control Input Accessories The High Speed Counter Unit includes the 40 pin solder type connectors C500 CE404 socket Fujitsu FCN 361J040 AU cover Fujitsu FON 360C040 J2 Applicable Connectors Name Connection Specifications Model Soldered FCN 361J040 AU Connector FCN 360C040 J2 Connector Cover C500 CE404 Right angle type included with Unit C Crimped FCN 363J040 Housing FCN 363J AU Contactor FCN 360C040 J2 Connector Cover Right angle type C500 CE405 ai Pressure welded 40 pin Connectors FCN 367J040 AU F w o connector cover C500 CE403 Soldered 1 40 pin soldered w connector cover C500 CE401 Crimped if 40 pin crimped w connector cover C500 CE402 Connector Terminal Conversion Unit and Connection Cables Cable length 0 5m XW2Z 050B Cable length 1 0m XW2Z 100B Cable length 1 5m XW2Z 150B Eor Connect Cable length 2 0m XW2Z 200B ing with Termi Cable length 3 0m XW2Z 300B nal Block Cable length 5 0m XW2Z 500B Connector Ter 40 pin M2 4 screw terminals XW2B 40G4 40 pin M3 5 screw terminals XW2B 40G5 Conversion Unit Slim 40 pin M3 screw terminals XW2D 40G6 Mountable Racks Connecting Cables Normal wiring NJ system CJ system CJ1 CJ2 CP1H system NSJ system Model Expansion Expansion CPU Rack Expansion Rack CPU Ra
17. z 4 410 Note As a general guideline it can be stated that if you want the timing requirements for the Counter Inputs to satisfy the above mentioned specifications you must pay attention to the type of output driver of the encoder being used the length of the encoder cable and the frequency of the count pulses generated For example if you use an Open Collector encoder e g E6B2 CWZ6C at 24 V with 10 m cable you can typically generate count pulses up to 20 kHz Therefore if you want to generate count pulses with higher frequencies you should use a different type of encoder e g E6B2 CW2Z1X with Line Driver output or a fast push pull 24 V encoder e g E6C3 CWZ5GH Complementary output or reduce the length of the encoder cable Output Specifications Item Specification Driver Type Open Collector NPN PNP selectable Operating Voltage Range 12 to 24 V 10 2 to 26 4 V 30 mA max at 26 4 VDC for PNP output without load current Maximum Switching Capacity 46 mA at 10 2 V to 100 mA at 26 4 V 200 mA maximum common see picture below Minimum Switching Current 5 mA Output ON delay 100 us max Output OFF delay 100 us max Leakage Current 0 1 mA max Residual Voltage 1 5 V max Short Circuit Protection No Note 1 Every Digital Output has 2 Output drivers available NPN and PNP available as separate pins on the front connectors Every Output can be separately DM configured for NPN or PNP By defau
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