Rockwell Automation Allen-Bradley 1794-IJ2XT User Manual
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Rockwell Automation Allen-Bradley 1794-IJ2XT User Manual

Flex i/o frequency input module
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FLEX I/O Frequency Input Module
Catalog Numbers 1794-IJ2, 1794-IJ2K, 1794-IJ2XT
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Summary of Contents for Rockwell Automation Allen-Bradley 1794-IJ2XT

  • Page 1 FLEX I/O Frequency Input Module Catalog Numbers 1794-IJ2, 1794-IJ2K, 1794-IJ2XT User Manual...
  • Page 2 Because of this difference, and also because of the wide variety of uses for solid state equipment, all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable. In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.

  • Page 3: Summary Of Changes

    Summary of Changes This manual contains new and updated information. Changes throughout this revision are marked by change bars, as shown to the right of this paragraph. This table contains the changes made to this revision. New and Updated Information Topic Page Inclusion of two catalogs, 1794-IJ2K and 1794-IJ2XT...
  • Page 4 Summary of Changes Notes: Publication 1794-6.5.11 - September 2011...

  • Page 5: Table Of Contents

    Table of Contents Summary of Changes New and Updated Information ....... iii Preface Who Should Use This Manual.
  • Page 6 Table of Contents Chapter 3 Overview ..........29 Configure Your FLEX I/O Module Add and Configure the FLEX I/O Module.

  • Page 7: Preface

    Preface Read this preface to familiarize yourself with the rest of the manual. It provides information concerning: • who should use this manual • the purpose of this manual • related documentation • conventions used in this manual • terminology used in this manual We assume that you have previously used an Allen-Bradley programmable Who Should Use This controller, that you are familiar with its features, and that you are familiar with...

  • Page 8: Related Documentation

    Preface Related Documentation The following documents contain additional information concerning Rockwell Automation products. To obtain a copy, contact your local Rockwell Automation office or distributor. Resource Description FLEX I/O Product Profile, publication 1794-PP019 xxxxx Comprehensive product profile for the FLEX I/O product line.
  • Page 9 Preface Resource Description FLEX I/O 4 Isolated Input Module Installation Instructions, Information on how to install the FLEX I/O 4 Isolated Input Module publication 1794-IN038 xxxxxxxxxxxxx (Catalog No. 1794-IF4I). FLEX I/O 2 In/2 Out Isolated Analog Combo Module Information on how to install the FLEX I/O 2 In/2 Out Isolated Analog Combo Installation Instructions, publication 1794-IN039 Module (Catalog No.

  • Page 10: Common Techniques Used In This Manual

    Industrial Automation Wiring and Grounding Guidelines, In-depth information on grounding and wiring Allen-Bradley programmable publication 1770-4.1 xxxxxxxxxxxxx controllers. Rockwell Automation Industrial Automation Glossary, A glossary of industrial automation terms and abbreviations. AG-7.1 xxxxxxxxxxxxx The following conventions are used throughout this manual: Common Techniques Used in this Manual •...

  • Page 11: Overview Of The Frequency Input Module

    Chapter Overview of the Frequency Input Module This chapter provides a description of the application and capabilities of the Overview 1794 FLEX I/O Frequency Input module. It also explains the general algorithm for calculating frequency. Topic Page The FLEX System Type of Modules Usage of the Frequency Input Module The FLEX I/O Module in a Logix Control System...

  • Page 12: Type Of Modules

    Overview of the Frequency Input Module • I/O module – contains the bus interface and circuitry needed to perform specific functions related to your application The 1794 FLEX system consists of an adapter module, terminal base unit, DIN rail, power supply, and adapter cabling components. You can use up to 8 terminal bases per adapter module.

  • Page 13: The Flex I/O Module In A Logix Control System

    Overview of the Frequency Input Module The primary use of the module is accurate, high-speed frequency measurement. A high-speed internal clock is synchronized with the frequency input to count over a user-selected sampling time or a user-defined number of frequency input pulses. All power for input devices (4 devices, 24 V DC @ 15 mA max) is supplied by the I/O module.
  • Page 14 Overview of the Frequency Input Module Typical Communication between a FLEX I/O Module and an Adapter 1794-ACN15 1794-ACNR15 1794-ACNR15K 1794-ADN 1794-AENT 1794-APBDPV1 1794-ASB 1794-APB External devices The adapter transfers your configuration data transmit frequency Adapter to the module using a BTW. signals to the module.

  • Page 15: Typical Applications

    Overview of the Frequency Input Module A broader view of how the FLEX I/O module interfaces with the different elements in a Logix system is shown in the sample illustration below. PC running controller and Rockwell Automation configuration software PanelView Station FLEX System 1794 Adapter...

  • Page 16: Input Capabilities

    Overview of the Frequency Input Module The frequency module has 2 input channels (mode dependent). Each of the 2 Input Capabilities input channels may accept these input signals: • magnetic pickup – 500 mV…28V AC peak (optional 50 mV…28V AC peak for increased signal sensitivity) •...

  • Page 17: Selecting The Modes Of Operation

    Overview of the Frequency Input Module Selecting the Modes of Operation You configure the frequency input module for these modes of operation: Modes of Operation Mode Use this mode to Indicators / Scaler / Alarms Values Frequency and •Monitor the frequency of an input with high % Full Scale accuracy (for example, shaft) •Monitor the percentage of full scale frequency...

  • Page 18: How Frequency Is Calculated

    Overview of the Frequency Input Module processor to do other tasks and helps increase the overall throughput of your controller system. Application Features Feature Mode Purpose Alarm is ON when Frequency alarm Frequency alarm Activate alarm when calculated or scaled Frequency >...
  • Page 19 Overview of the Frequency Input Module Normal Mode Frequency Determination, at Least Two Pulses in Sampling Time Missing pulse alarm would be Frequency reported Pulses counted reported after 2 s, if no pulse occurs at end sampling time T2 - T1 Minimum sampling time pulses counted Frequency input...

  • Page 20: Termination On Number Of Pulses

    Overview of the Frequency Input Module Termination on Number of Pulses The normal mode is designed to provide wide bandwidth. However, it requires the full 2 seconds to report a missing pulse. Another user parameter, Number of Pulses to Terminate Sampling, is provided for scenarios where many pulses are expected within the sampling window, such that early determination of frequency is possible.

  • Page 21: Direction Detection

    Overview of the Frequency Input Module Frequency reported at 2 - 1 Missing pulse multiplier first pulse in extended T2 - T1 time Missing pulse alarm would be reported after last window, if no pulse occurs Extended windows added one at time, until pulse occurs or multiplied windows exceeded Minimum sampling time 2 = pulses counted...

  • Page 22: Chapter Summary

    Overview of the Frequency Input Module Direction Detection – Principle of Operation Clockwise rotation 2 x M Sensor 0 Sensor 1 Gate input Frequency input IJ2 module Sensor 0 (F) Clockwise Rotation Sensor 1 (G) Counter Sensor 0 (F) Clockwise Sensor 1 (G) Rotation 45344...

  • Page 23: Install Your Flex I/O Frequency Input Module

    Chapter Install Your FLEX I/O Frequency Input Module This chapter provides you with pre-installation requirements and instructions Overview on how to install your FLEX I/O Frequency Input modules. Topic Page Before You Install Your Module Power Requirements Install the Module Mount on a DIN Rail Mount on a Panel or Wall Mount the Frequency Input Module on the Terminal Base Unit...

  • Page 24: Install The Module

    Install Your FLEX I/O Frequency Input Module Total current draw through the terminal base unit is limited to 10 A. ATTENTION Separate power connections may be necessary. The frequency input module requires 30 mA at 5V DC from the FlexBus backplane.
  • Page 25 Install Your FLEX I/O Frequency Input Module 2. Check to make sure that the 16 pins in the male connector on the adjacent device are straight and in line so that the mating female connector on this terminal base unit will mate correctly. 45319 Make certain that the female FlexBus connector is fully retracted into the base unit.

  • Page 26: Mount On A Panel Or Wall

    Install Your FLEX I/O Frequency Input Module 6. Press down on the terminal base unit to lock the terminal base on the DIN rail. If the terminal base does not lock into place, use a screwdriver or similar device to open the locking tab, press down on the terminal base until flush with the DIN rail and release the locking tab to lock the base in place.
  • Page 27 Install Your FLEX I/O Frequency Input Module • installing the terminal base units and securing them to the wall or panel. Use the mounting kit Cat. No. 1794-NM1 for panel or wall mounting. 1794-NM1 Mounting Kit 35.5 Millimeters (1.4) (inches) 45323 Description Description...

  • Page 28: Unit

    Install Your FLEX I/O Frequency Input Module 2. Drill the necessary holes for the #6 self-tapping mounting screws. 3. Mount the mounting plate for the adapter module using two #6 self-tapping screws – 18 screws are included for mounting up to 8 modules and the adapter.
  • Page 29 Install Your FLEX I/O Frequency Input Module 40231 Label here or under here Description Description FlexBus connector Base unit Latching mechanism Alignment groove Keyswitch Alignment bar Cap plug Module 2. Make certain the FlexBus connector (1) is pushed all the way to the left to connect with the neighboring terminal base or adapter.

  • Page 30: Wiring Information

    Install Your FLEX I/O Frequency Input Module The adapter is capable of addressing eight modules. Do not exceed a IMPORTANT maximum of eight terminal base units in your system. This section provides essential wiring information for the 1794-TB3G, Wiring Information 1794-TB3GK, and 1794-TB3GS terminal base units.

  • Page 31: Wire The Terminal Base Units

    Install Your FLEX I/O Frequency Input Module Take note of the following considerations when wiring your ATTENTION terminal base units: •AIl modules must be frequency or analog modules for the daisychain configuration. •Use the individual type of configuration for any "noisy" DC digital I/O modules in your system.

  • Page 32: Connecting Wiring Using A 1794-Tb3G, 1794-Tb3Gk Or

    Install Your FLEX I/O Frequency Input Module Connecting Wiring Using a 1794-TB3G, 1794-TB3GK or 1794-TB3GS Terminal Base Unit 1. Connect individual signal wiring to numbered terminals on the 0…15 row (A) and 17…32 row (B) on the terminal base unit as indicated in the table below.
  • Page 33 Install Your FLEX I/O Frequency Input Module Wiring Connections for the Frequency Input Module Channel 0 Terminals Channel 1 Terminals Types of Inputs Power Input RET Power Input Frequency (1) (2) 24V DC IEC1+ Proximity 24V DC Contact Switch 500mV AC Magnetic Pickup 50mV AC Magnetic Pickup 6V AC Vortex 3V AC Vortex...

  • Page 34: Resolution And Accuracy

    Install Your FLEX I/O Frequency Input Module Connections for Terminal Base 1794-TB3G shown 500/50 500/50 Channel 0 Frequency Input Channel 1 Frequency Input Out 0 Out 0 500/50 500/50 Out 1 Out 1 Chassis Gnd Chassis Gnd Channel 0 Gate Input Channel 1 Gate Input +V COM Sply 0...
  • Page 35 Install Your FLEX I/O Frequency Input Module Resolution % is defined as: % Resolution = Count frequency x minimum frequency sample time Accuracy % is defined as: Minimum frequency sample time Minimum % Accuracy = 100 frequency sample time count frequency Resolution and Accuracy Accuracy Minimum...
  • Page 36 Install Your FLEX I/O Frequency Input Module Input Map Word Read Reserved Diagnostic Status Reserved Diagnostic Status Channel 0 Channel 1 Reserved Where: R = Reserved GS = Gate state F/A = Frequency/Acceleration alarm WO = Wire-off alarm MPA = Missing pulse alarm Output Map Number of pulses to MPM 0…3...

  • Page 37: Examples Of Wiring To A 1794-Tb3G Terminal Base Unit

    Install Your FLEX I/O Frequency Input Module Examples of Wiring to a 1794-TB3G Terminal Base Unit Standard Magnetic Pickup Standard Magnetic Pickup 9 10 11 12 13 14 15 500 mV threshold (F0) 50 mV threshold (F0) 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Important: When using a channel for 50 mV sensor, jumper the 50/500 mV pin to the appropriate...

  • Page 38: Publication 1794-6.5.11 - September

    Install Your FLEX I/O Frequency Input Module Notes: Publication 1794-6.5.11 - September 2011...

  • Page 39: Chapter 3 Overview

    Chapter Configure Your FLEX I/O Module with RSLogix 5000 Software This chapter describes how to configure the 1794-IJ2 module for the Overview ControlLogix and CompactLogix system. The module can communicate through different networks such as ControlNet, Ethernet, Profibus, among others. In the examples below, the Ethernet adapter is used for communication between the Logix processor and the FLEX I/O bus.
  • Page 40 Configure Your FLEX I/O Module with RSLogix 5000 Software 1. Select New Module for the I/O Configuration. Right-click the local communication module. Select New Module. 2. The Select Module dialog appears. Select the FLEX I/O module from the Specialty module type. Click OK 3.
  • Page 41 Configure Your FLEX I/O Module with RSLogix 5000 Software Complete the following fields and click OK. • Name • Description • Comm Format • Electronic Keying 4. On the Connection tab, specify a value for the Requested Packet Interval(RPI). 5. On the Fault Action tab, specify the following: •...
  • Page 42 Configure Your FLEX I/O Module with RSLogix 5000 Software 6. On the Configuration tab, specify the following: • Channel • Frequency or Acceleration If you choose Frequency, go to step 8. Go to step 9 if you choose Acceleration. 7. For Frequency mode, specify the following: •...

  • Page 43: Chapter Summary

    Configure Your FLEX I/O Module with RSLogix 5000 Software Configuration Parameters Module Property Configuration Options Maximum Frequency 0 Hz (default) Frequency Range 1…32767 1.0…3276.7 Minimum Frequency Sample Time 2…100 Acceleration Calculation Time Rolling Average Missing Pulse Multiplier None Pulses to Terminate Sampling Minimum Frequency Sample Time Wire-off/Missing Pulse Fault Select Disabled...
  • Page 44 Configure Your FLEX I/O Module with RSLogix 5000 Software Notes: Publication 1794-6.5.11 - September 2011...

  • Page 45: Chapter 4 Overview

    Chapter Read and Write Configuration Maps for the FLEX I/O Module This chapter describes how to configure, read data from, and map data to your Overview Frequency Input module. Topic Page Configure Your Frequency Input Module Read Data From Your Module Map Data for the Module Frequency Input Module Image Table Mapping Chapter Summary...

  • Page 46: Diagnostics

    Read and Write Configuration Maps for the FLEX I/O Module The following read and write words and bit/word descriptions describe the Map Data for the Module information written to and read from the frequency input module. The module uses up to 6 words of input data and up to 7 words of output data. Each word is composed of 16 bits.

  • Page 47: Diagnostic Bits In Word 5 Of The Btr File

    Read and Write Configuration Maps for the FLEX I/O Module Block Transfer Read Word Assignments (Octal Bit) Decimal Bit Direction Direction Ch 0 Ch 0 Ch 0 Ch 0 Ch 0 Ch 1 Ch 1 Ch 1 Ch 1 Ch 1 Reserved Diagnostic Status Where:...
  • Page 48 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for Block Transfer Read Words Word Definition Word 4 Bits 00 Missing Pulse Alarm (channel 1) – Indicates that no Frequency input pulse has occurred within the period determined by the Minimum Frequency Sampling Time and the Missing Pulse Multiplier.

  • Page 49: Chapter 5 Overview

    Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for Block Transfer Read Words Word Definition Word 5 Bits 00…03 Diagnostic Status – indicates the response from the module; a normal or non-normal operating condition. 0 = Normal Operation (No Failure) 1 = Calibration Failure 2 = Configuration Failure A Minimum Frequency Sample Time value other than 0…9...

  • Page 50: Frequency Input Module Image Table Mapping

    Read and Write Configuration Maps for the FLEX I/O Module Block Transfer Write Word Assignments (Octal Bit) Dec. Bit Frequency Scaling Divisor 0…255 Ch 1 Frequency Scaling Multiplier 0…255 Ch 1 WOFG WOFF Minimum Frequency Init ACT Ch 1 F/A AS MPDM WOFM Ch 1...
  • Page 51 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for the Block Transfer Write Words Word Definition Word 0 Bits 05 Frequency range bits (channel 1) – Specifies the Frequency Range of the Frequency (con’t.) input. 0 = 1…32767 (below 1 Hz reports 0); 1 = 1.0…3276.7 (below 1.0 Hz reports 0.0).
  • Page 52 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for the Block Transfer Write Words Word Definition Bit 13 (15) Frequency range bits (channel 0) – Specifies the Frequency Range of the Frequency input. 0 = 1…32767 (below 1 Hz reports 0); 1 = 1.0…3276.7 (below 1.0 Hz reports 0.0).
  • Page 53 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for the Block Transfer Write Words Word Definition Word 3 Bits 00…01 Wire-Off/Missing Pulse fault select mode (channel 0) – Sets the mode for 24V DC IEC 1+ Wire Off Input Detection and Missing Pulse Detection result for any input (Frequency or Gate).
  • Page 54 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for the Block Transfer Write Words Word Definition Word 3 Bit 07 Minimum Frequency Sampling Time (channel 0) – Specifies the minimum time (in ms) the module spends collecting pulses to determine the Frequency. Bits 08…11 Minimum Frequency Sampling Time (in ms) (10…13)
  • Page 55 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for the Block Transfer Write Words Word Definition Word 4 Bits 00…15 Maximum frequency or absolute value acceleration/deceleration (channel 1) – Specifies (00…17) the highest Frequency or absolute Acceleration/Deceleration value allowed on the Frequency input.
  • Page 56 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for the Block Transfer Write Words Word Definition Word 6 Bits 00…01 Wire-Off/Missing Pulse fault select (channel 1) – Sets the mode for 24V DC IEC 1+ Wire Off Input Detection and Missing Pulse Detection result for any input (Frequency or Gate).
  • Page 57 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for the Block Transfer Write Words Word Definition Word 6 Bit 07 Initiate Startup Select (channel 1) – Alerts a channel that if process startup is in progress to defeat the missing pulse alarm for a time determined by the missing pulse delay multiplier.
  • Page 58 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Definitions for the Block Transfer Write Words Word Definition Word 6 Bit 13 (15) Invert Select – Gate Input (channel 1) – Selects whether to invert the Gate input signal, if not using an Active High (24V = On) 24V DC IEC 1+ sensor or “Normally Open”...
  • Page 59 Read and Write Configuration Maps for the FLEX I/O Module Output Map Number of pulses to MPM 0…3 Number of pulses to terminate sampling Ch 0 Ch 1 terminate sampling 0…3 0…7 Ch 0 0…7 Ch 1 Ch 1 Maximum Frequency 0…32.767 or 0.0…3,276.7 - or - Absolute Value of Acceleration - 0…32767 Channel 0 Frequency Scaling Divisor 0…255 Channel 0 Frequency Scaling Multiplier 0…255...
  • Page 60 Read and Write Configuration Maps for the FLEX I/O Module Notes: Publication 1794-6.5.11 - September 2011...
  • Page 61 Chapter Troubleshoot the Module This chapter provides a description of the different status indicators for the Overview frequency input module to help you troubleshoot. Topic Page Status Indicators Diagnostics Diagnostic Bits in Word 5 of the BTR File The module has indicators for the following: Status Indicators •...
  • Page 62 Troubleshoot the Module When an output indicator is yellow, the logic is driving an output alarm On. After detecting a fault, the internal circuitry sets the output data to the appropriate safe state, as defined by the module data table. Safe state control may be adapter-dependent.

  • Page 63: Chapter Summary

    Troubleshoot the Module Diagnostic Bits in Word 5 of the BTR File word 5 See table, Diagnostic Bits in Word 5, for diagnostics 45375 Diagnostic Bits in Word 5 Word 5 Bits 00…03 Diagnostic Status – indicates the response from the module; a normal or non-normal operating condition.
  • Page 64 Troubleshoot the Module Notes: Publication 1794-6.5.11 - September 2011...

  • Page 65: What This Appendix Contains

    Appendix Specifications This appendix contains the frequency accuracy and general specifications of What This Appendix the Frequency Input module (1794-IJ2, 1794-IJ2K, and 1794-IJ2XT). Contains Input Specifications Attribute Value Number of input channels Number of inputs per 2 – Frequency and Gate channel (gate used to establish direction) Input frequency, max...
  • Page 66 Specifications Output Specifications Attribute Value Number of outputs 2 – isolated Output voltage source Customer supplied Output voltage 10V DC 24V DC 31.2V DC On-state current, min 1 mA per output On-state current, max 1.0 A per channel sourced out of module Current Limited –...
  • Page 67 Specifications General Specifications Attribute Value Power dissipation, max 4.6W @ 31.2V DC Thermal dissipation, max 15.6 BTU/hr @ 31.2V DC Indicators (field side driven, 1 green/red power/status indicator logic side indication) 4 yellow status indicators (Freq 0, 1, Gate 0, 1) 4 red wire-off indicators (Freq 0, 1, Gate 0, 1) 2 yellow status indicators (Out 0, Out 1) –...
  • Page 68 Specifications Environmental Specifications Attribute Value ESD immunity IEC 61000-4-2: 4 kV contact discharges – 1794-IJ2 and 1794-IJ2K 6 kV contact discharges – 1794-IJ2XT 8 kV air discharges EFT/B immunity IEC 61000-4-4: ±2 kV @ 5 kHz on power ports ±2 kV @ 5 kHz on shielded signal ports Surge transient IEC 61000-4-5: immunity...

  • Page 69: Appendix B Overview

    Appendix Electronic Data Sheet (EDS) Files EDS provides the definition for a device's configurable parameters and public Overview interfaces to those parameters: • Every type of configurable device has its own unique EDS. • EDS is a simple text file that allows product-specific information to be made available to third-party vendors.

  • Page 70: Eds Installation

    Electronic Data Sheet (EDS) Files To acquire EDS files for Rockwell Automation and Allen-Bradley devices, go to Tools & Resources EDS Files at www.ab.com/networks/eds. It allows you to search for devices by the type of network and their catalog number.

  • Page 71: What This Appendix Contains

    Appendix Schematics Use this appendix to understand the internal logic of the FLEX I/O What This Appendix Frequency Input module. Contains Follow the wiring practices described in Industrial Automation Wiring and Grounding Guidelines for Noise Immunity, publication 1770-4.1, when wiring your I/O devices.

  • Page 72: Output Circuits

    Schematics (F and G, Isolated 24V power 15 mA each) 2.5 KW IEC 1+ or 24V DC Switch input 5.11 KW 215 W 2.15 KW 2.15 KW 50/500 mV Input 10 KW Frequency lead break 100pF Lead breakage (Gate lead break) 100 pF Reference voltage Frequency only, not on gate...

  • Page 73: Dc To Dc Converters - 24V Dc Power Supplies

    Schematics Output channel Supply 10 KW 10-31.2V 6.8V Output TEMPFET Alarm 3.83 KW Output 0 load 1A max 3.83 KW Supply return 45355 Customer supplied power, ranging from 10V…31.2V DC, is connected internally to the power output transistor. When an output is turned on, current flows into the source, out of the drain, through the load connected to the ground of the customer supply (customer return).
  • Page 74 Schematics Notes: Publication 1794-6.5.11 - September 2011...

  • Page 75: Appendix D Overview

    Appendix Program Your Module with PLC Processors This Appendix serves as a reference to users of the PLC-* Family Processors Overview to program their modules. To initiate communication between the frequency input module and your PLC processor, you must enter block transfer instructions into your ladder logic program.

  • Page 76: Plc-2 Family Processor

    Program Your Module with PLC Processors PLC-2 Family Processor The 1794 Frequency I/O module is not recommended for use with PLC-2 family programmable controllers due to the number of digits needed for high resolution. The frequency input module functions with reduced IMPORTANT performance in PLC-2 systems.

  • Page 77: Plc-5 Family Processor

    Program Your Module with PLC Processors Rung M:0 PLC-3 Processor Program Example The IJ2 module is located in rack 3, I/O group 2, slot 0. The control file is a 10 word file starting at B17:0 that is shared by the BTR/BTW. The data obtained by the PLC3 processor is placed in memory starting at location N18:101, and with the default length of 0, is 7 words long.

  • Page 78: Plc-5/250 Family Processor

    Program Your Module with PLC Processors Rung 2:0 PLC-5 Processor Program Example The IJ2 module is located in rack 1, I/O group 2, slot 0. The integer control file starts at N22:200, is 5 words long and is compatible with all PLC-5 family members. The data obtained by the PLC-5 processor from the IJ2 module is placed in memory starting at N22:101, and with the default length of 0, is 7 words long.
  • Page 79 Program Your Module with PLC Processors PLC-5/250 Processor Rung 1STEPO:1 Program Example The IJ2 module is located in rack 14, I/O group 1, slot 0. The data obtained by the PLC-5/250 processor from the IJ2 module is placed in the data table starting at 2BTD5:101, and with the default length of 0, is 7 words long. The length can be any number between 0 and 7.
  • Page 80 Program Your Module with PLC Processors Notes: Publication 1794-6.5.11 - September 2011...

  • Page 81: Index

    Index Numerics application 7, 8 1756-ENBT 29 1794-ACN15 4 1794-ACNR1 4 backplane 13, 16, 19, 51 1794-ACNR15K 4 bandwidth 10 1794-ADN 4 bits words 1794-AENT 4 acceleration 38, 43 1794-APB 4 communication fault 42 1794-APBDPV1 4 definition 40 1794-ASB 4 diagnostic 53 1794-IJ2 direction 38...
  • Page 82 Index calibration dimensions failure 39, 53 drilling 17 chassis 13, 21, 22 DIN rail 15, 16 combination type 21 direction detection 11 communication 3, 4, 40, 41, 63, 69 low to high transition 11 drilling 17 CompactLogix 29 configuration alarms 35 block transfer write 35 EEPROM failure 39, 53...
  • Page 83 Index minimum 46 types 23 minimum sample time 32, 33, 41, 47 usage 3 overange 39 wire-off detection 46 parameters 8 write words 36 percentage full scale 7 installation 14, 15 range 32, 33, 35 drilling dimension 16, 17 range bit setting 24 hazardous location 19 scale 7 instructions 13...
  • Page 84 Index MSG instructions 5 indicator 51 module 22 operational 13 requirements 13, 14 oil and gas 5 supply 22, 52 operation processor 3, 7, 35, 52 mode 7 Profibus 29 non-normal 39 programming normal 39, 53 PLC-2 64, 70 unintended 14 PLC-3 64, 70 output 52 PLC-5/250 66, 72...
  • Page 85 Index indicator 52 throughput 8 troubleshoot 51 turbine metering 5 tags 5 terminal base 1, 13, 14, 15, 17, 19 grounding 22 vortex flowmeter 6 installation 14 mount 14 replace 14 wiring 14, 21 wire off 33, 44, 26 wiring methods 14 wiring 1794-TB3G, 1794-TB3GS, 1794-TB3GK 21 frequency module 21...
  • Page 86 Index Notes: Publication 1794-6.5.12 - September 2011...
  • Page 87 Rockwell Automation representative. New Product Satisfaction Return Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing facility. However, if your product is not functioning and needs to be returned, follow these procedures.

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