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Spectrum Controls 1769 User Manual

6-channel isolated rtd/resistance input module
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  • Page 2: Important Notes

    No patent liability is assumed by Spectrum Controls, Inc. with respect to the use of any of the information, products, circuits, programming, or services referenced herein.

  • Page 3: Table Of Contents

    Table of Contents IMPORTANT NOTES ............................... II CHAPTER 1 MODULE OVERVIEW ......................... 1-1 ........................... 1-1 ENERAL ESCRIPTION RTD/R ..................... 1-2 ESISTANCE NPUTS AND ANGES ............................. 1-2 ORMATS ..........................1-2 ILTER REQUENCIES ........................... 1-3 ARDWARE EATURES 1.5.1 General Diagnostic Features ........................1-3 ..........................
  • Page 4 Compact™ IO Isolated RTD/Resistance Module 2.9.1 Perform the Startup Procedure ......................2-16 2.9.2 Monitor Module Status to Check if the Module is Operating Correctly ..........2-16 CHAPTER 3 MODULE DATA, STATUS, AND CHANNEL CONFIGURATION .............. 3-1 ......................... 3-1 ODULE EMORY ........................
  • Page 5 APPENDIX C CONFIGURING THE IR6I FOR COMPACTLOGIX CONTROLLERS IN RSLOGIX 5000 ......C-1 I/O M ............................C-4 ONFIGURING ODULES APPENDIX D CONFIGURING THE IR6I TO BE USED WITH A 1769-ADN DEVICENET ADAPTER ......D-1 1769 -IR6I ..........................D-3 ONFIGURING THE User’s Manual Pub. 0300241-01 Rev. A...
  • Page 6 The table below provides a listing of publications that contain important information about Allen-Bradley PLC systems. Allen-Bradley Refer to this Document Pub. No. MicroLogix™ 1500 User instructions 1764-UM001A User Manual 1769 Compact Discrete Input/Output Modules Product information 1769-2.1 Product Data Overview of MicroLogix 1500 MicroLogix™ 1500 1764-SO001B system System Overview Compact™...
  • Page 7 Compact™ IO Isolated RTD/Resistance Module Technical Support For technical support, please contact your local Rockwell Automation TechConnect Office for all Spectrum products. Contact numbers are as follows: • 440-646-6900 • United Kingdom 01908 635230 • Australia 1800-809-929 • Mexico 001-888-365-8677 •...
  • Page 8 Compact™ IO Isolated RTD/Resistance Module User’s Manual Pub. 0300241-02 Rev. A...

  • Page 9: Chapter 1 Module Overview

    Chapter 1 Module Overview This chapter describes the 1769sc-IR6I and the conformally coated 176sc-IF6IK Isolated RTD/Resistance input modules and explains how the controller reads resistance temperature detector (RTD) or direct resistance-initiated analog input data from the modules. Other than the conformal coating, both modules are identical so all information applicable to the 1769sc-IR6I also applies to the K version.

  • Page 10: Rtd/Resistance Inputs And Ranges

    Chapter 1: Module Overview RTD/Resistance Inputs and Ranges The table below lists the RTD and resistance types and their associated full-scale ranges, supported by the IR6I module. Table 1-1. RTD/Resistance Input Ranges Input Range ˚ Celsius ˚ Fahrenheit Input Type Pt 385 -200 to +850 -328 to 1562 Pt 3916...

  • Page 11: Hardware Features

    Hardware Features The Isolated RTD/resistance module contains a removable terminal block (spare part number 1769-RTBN18) providing connections for six 3-wire inputs for any combination of RTD and resistance input devices. Channels are wired as differential inputs. Module configuration is normally done via the controller’s programming software.
  • Page 12 Chapter 1: Module Overview TERMINAL BLOCK 3.3V x6 isolated channels 24V to 3.3V POWER 5V Analog 5V to 5V (analog) Isolated AD7785 POWER Current OUT IOUT 5V to 5V 20-bit ADC, power Reference, Mux, SENSE Input SENSE Digital Programmable Isolators Gain In-Amp LPC2131 Current RTN...

  • Page 13: Chapter 2 Installation And Wiring

    Chapter 2 Installation and Wiring Before you Begin This chapter covers: • Tools and Equipment Compliance to European Union directives • • Power requirements • General considerations • Mounting Required Tools and Equipment You need the following tools and equipment: •...

  • Page 14: Low Voltage Directive

    24 VDC 190 mA 35 mA The system power supply may be a 1769-PA2, -PB2, -PA4, -PB4, or the internal supply of the MicroLogix 1500 packaged controller. The module cannot be located more than 8 modules away from the system power supply.

  • Page 15: Prevent Electrostatic Discharge

    Chapter 1: Module Overview EXPLOSION HAZARD WARNING • Substitution of components may impair suitability for Class I, Division 2. Do not replace components or disconnect equipment unless power has been switched off or the area is known to be non-hazardous. •...

  • Page 16: Power Supply Distance

    You can install as many modules as your power supply can support. However, all 1769 I/O modules have power supply distance ratings. The maximum I/O module rating is 8, which means that a module may not be located more than 8 modules away from the system power supply.

  • Page 17: Mounting

    Chapter 1: Module Overview Mounting Keeping module free of debris and avoiding overheating: WARNING • Do not remove protective debris strip until after the module and all other equipment near the module is mounted and the wiring is complete. • Once wiring is complete, and the module is free of debris, carefully remove protective strip.
  • Page 18 Chapter 2: Installation and Wiring Figure 2-3. Module Parts List Item Description Bus lever Upper panel mounting tab Lower panel mounting tab Module status LED Module door with terminal identification label Movable bus connector (bus interface) with female pins Stationary bus connector (bus interface) with male pins Nameplate label Upper tongue-and-groove slots Lower tongue-and-groove slots...

  • Page 19: System Assembly

    Chapter 1: Module Overview System Assembly The module can be attached to the controller or an adjacent I/O module before or after mounting. For mounting instructions, see Panel Mounting Using the Dimensional Template below, or DIN Rail Mounting. To work with a system that is already mounted, see Replacing a Single Module within a System.

  • Page 20: Panel Mounting

    5. Attach an end cap terminator (5) to the last module in the system by using the tongue-and-groove slots as before. 6. Lock the end cap bus terminator (6). A 1769-ECR or 1769-ECL right or left end cap respectively must be used WARNING to terminate the end of the 1769 communication bus.

  • Page 21: Panel Mounting Using The Dimensional Template

    Chapter 1: Module Overview Panel Mounting Using the Dimensional Template Figure 2-5. Dimensional Template Panel Mounting Procedure Using Modules as a Template The following procedure allows you to use the assembled modules as a template for drilling holes in the panel. If you have sophisticated panel mounting equipment, you can use the dimensional template provided on 8.

  • Page 22: Din Rail Mounting

    2-10 Chapter 2: Installation and Wiring DIN Rail Mounting The module can be mounted using the following DIN rails: 35 × 7.5 mm (EN 50 022 – 35 × 7.5) • • 35 × 15 mm (EN 50 022 - 35 × 15) Before mounting the module on a DIN rail, close the DIN rail latches.

  • Page 23: Shield Grounding

    Chapter 1: Module Overview 2-11 • Routing field wiring in a grounded conduit can reduce electrical noise. • If field wiring must cross AC or power cables, ensure that they cross at right angles. To ensure optimum accuracy, limit overall cable impedance by keeping •...

  • Page 24: Rtd Wiring Considerations

    2-12 Chapter 2: Installation and Wiring 2.8.2 RTD Wiring Considerations Since the operating principle of the RTD module is based on the measurement of resistance, take special care when selecting your input cable. For 2-wire or 3- wire configurations, select a cable that has a consistent impedance throughout its entire length.

  • Page 25: Terminal Door Label

    Chapter 1: Module Overview 2-13 • Use a heavy-gauge lead wire which has less resistance per foot. Terminal Door Label A removable, write-on label is provided with the module. Remove the label from the door, mark your unique identification of each terminal with permanent ink, and slide the label back into the door.

  • Page 26: Wire Size And Terminal Screw Torque

    2-14 Chapter 2: Installation and Wiring 3. Tighten the terminal screw making sure the pressure plate secures the wire. Recommended torque when tightening terminal screws is 0.68 Nm (6 in-lbs). If you need to remove the finger-safe cover, insert a screwdriver into one NOTE of the square, wiring holes and gently pry the cover off.

  • Page 27: Calibration

    Chapter 1: Module Overview 2-15 HAZARD OF DAMAGE TO EQUIPMENT WARNING Be careful when stripping wires. Wire fragments that fall into a module could cause damage at power up. 3. At one end of the cable, twist the drain wire and foil shield together, bend them away from the cable, and apply shrink wrap.

  • Page 28: Perform The Startup Procedure

    LED turns on. If the module status LED does not turn on, cycle power. If the condition NOTE persists, contact your local distributor or Spectrum Controls for assistance. 2.9.2 Monitor Module Status to Check if the Module is Operating Correctly Module and channel configuration errors are reported to the controller.

  • Page 29: Chapter 3 Module Data, Status, And Channel Configuration

    Chapter 3 Module Data, Status, and Channel Configuration After installing the 1769sc-IR6I Isolated RTD/Resistance Input Module, you must configure it for operation, usually using the programming software compatible with the controller (for example, RSLogix 500 or RSLogix 5000). Once configuration is complete and reflected in the ladder logic, you need to operate the module and verify its configuration.

  • Page 30: Configuring Channels

    Chapter 3: Module, Data, Status, and Channel Configuration Configuring Channels After module installation, you must configure operation details, such as RTD type, temperature units, etc., for each channel. Channel configuration data for the module is stored in the controller configuration file, which is both readable and writable.

  • Page 31: Channel Configuration

    For information on configuring the module using RSLogix 500 (with MicroLogix 1500 controller), see Appendix B; for RSLogix 5000 (CompactLogix controller), see Appendix C; for RSNetworx (1769-ADN), see Appendix D. The structure and bit settings are shown in the section below.

  • Page 32: Enabling Or Disabling A Channel (Bit 15)

    Chapter 3: Module, Data, Status, and Channel Configuration 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Input Type 100 Pt 385 200 Pt 385 500 Pt 385 1000 Pt 385 100 Pt 3916 200 Pt 3916 500 Pt 3916 1000 Pt 3916...
  • Page 33 Chapter 3: Module, Data, Status, and Channel Configuration • Raw/Proportional Data • Engineering Units × 1 • Engineering Units × 10 • Scaled for PID • Percent Range Table 3-3. Channel Data Word Format Data Format Input Scaled Engineering Units × 10 Engineering Units ×...

  • Page 34: Engineering Units ×1

    Chapter 3: Module, Data, Status, and Channel Configuration If you select the raw/proportional data format for a channel, the data word will be a number between -32767 and +32767. For example, if a Pt 385 RTD is selected, the lowest temperature of -200 °C corresponds to -32767 counts. The highest temperature of 850 °C corresponds to +32767.

  • Page 35: Determining Open-Circuit Response (Bits 5 And 6)

    Chapter 3: Module, Data, Status, and Channel Configuration 3.2.7 Determining Open-Circuit Response (Bits 5 and 6) An open-circuit condition occurs when an input device or its extension wire is physically separated or open. This can happen if the wire is cut or disconnected from the terminal block.

  • Page 36: Effects Of Filter Frequency On Noise Rejection

    Chapter 3: Module, Data, Status, and Channel Configuration • Module update time The table below summarizes the effects of each filter selection. Table 3-5. Filter Effects Channel Channel Update Update Time Time Lead NMRR NMRR Lead Input Compensation Cut-Off Compensation 50 Hz 60 Hz Filter...

  • Page 37: Cut-Off Frequency

    Chapter 3: Module, Data, Status, and Channel Configuration common mode voltage rating (±10V) of the module. Improper earth ground may be a source of common mode noise. Transducer power supply noise, transducer circuit noise, or process NOTE variable irregularities may also be sources of normal mode noise. Cut-Off Frequency The filter cut-off frequency, -3 dB, is the point on the frequency response curve where frequency components of the input signal are passed with 3 dB of...

  • Page 38: Input Image File

    3-10 Chapter 3: Module, Data, Status, and Channel Configuration Example 1 Channels enabled for different input types Channel 0 Input: 3-wire 100 Ω Pt 385 RTD with 4.17 Hz Filter, Lead Compensation enabled. Channel (1 – 5) Input: 3000Ω resistance with 10 Hz Filter Lead Compensation enabled Module update time with lead compensation enabled = slowest channel update time...

  • Page 39: Input Data Values

    (proper configuration) but before the A/D converter can provide valid (properly configured) data to the 1769 bus master/controller. The following information highlights the bit operation of the Data Not Valid condition.

  • Page 40: Open-Circuit Flag Bits (Oc0 To Oc7)

    3-12 Chapter 3: Module, Data, Status, and Channel Configuration the bit condition is set (1). 3.4.3 Open-Circuit Flag Bits (OC0 to OC7) Bits OC0 through OC5 of word 6 contain open-circuit error information for channels 0 through 5, respectively. The bit is set (1) when an open-circuit condition exists.

  • Page 41: Chapter 4 Diagnostics And Troubleshooting

    Chapter 4 Diagnostics and Troubleshooting This chapter describes troubleshooting the isolated RTD/Resistance input module. This chapter contains information on: Safety considerations while troubleshooting • • Internal diagnostics during module operation • Module errors Safety Considerations Safety considerations are an important element of proper troubleshooting procedures.

  • Page 42: Safety Circuits

    The module performs diagnostic operations at both the module level and the channel level. Module-level operations include functions such as power-up, configuration, and communication with a 1769 bus master, such as a MicroLogix 1500 controller, 1769-ADN DeviceNet Adapter, or CompactLogix controller.

  • Page 43: Channel Diagnostics

    Chapter 4: Diagnostics and Troubleshooting Channel Diagnostics When an input channel is enabled, the module performs a diagnostic check to see that the channel has been properly configured. In addition, the channel is tested on every scan for configuration errors, over-range and under-range, and open- circuit conditions.

  • Page 44: Module Error Definition Table

    Check the extended error information field when a non-zero value is present in the module error field. Depending upon the value in the module error field, the extended error information field can contain error codes that are module-specific or common to all 1769 analog modules. User’s Manual Pub. 0300241-02 Rev. A...

  • Page 45: Hardware Errors

    Chapter 4: Diagnostics and Troubleshooting If no errors are present in the module error field, the extended error NOTE information field is set to zero. 4.6.3 Hardware Errors General or module-specific hardware errors are indicated by module error code 001. See Extended Error Codes below. 4.6.4 Configuration Errors If you set the fields in the configuration file to invalid or unsupported values, the module generates a critical error.

  • Page 46: Module Inhibit Function

    Some controllers support the module inhibit function. See your controller manual for details. Whenever the 1769sc-IR6I module is inhibited, the module continues to provide information about changes at its inputs to the 1769 CompactBus master (for example, a CompactLogix controller). User’s Manual Pub. 0300241-02 Rev. A...

  • Page 47: Appendix A Specifications

    Appendix A Specifications Specification Description Module ID Codes Vendor ID = 58 (Decimal) Product Type = 10 (Decimal) Product Code = 101 (Decimal) Configuration 6 isolated channels of RTD/resistance inputs Input Modes Temperature or resistance Input Types 100Ω PT 385 200Ω...
  • Page 48 Appendix A: Specifications Storage Temperature -40 °C to +85 °C (-40 °F to +185 °F) Operating 0 °C to +60 °C (32 °F to +140 °F) Temperature Operating Humidity 5% to 95% non-condensing Operating Altitude 2000 meters (6561 feet) Vibration 5 g at 10–500 Hz Shock Unpackaged (Non-...
  • Page 49 Appendix A: Specifications Accuracy 25 ˚C ±0.5 ˚C for Platinum 385 ±0.4 ˚C for Platinum 3916 ±0.2 ˚C for Nickel ±0.3 ˚C for Nickel-Iron ±0.6 ˚C for Copper ±0.15Ωs for 150Ω range ±0.5Ωs for 500Ω range ±1.0Ωs for 1000Ω range ±1.5Ωs for 3000Ω...
  • Page 50 Appendix A: Specifications Module or Single 242 ms with 4.17 Hz filter, lead compensation disabled Channel Maximum 964 ms with 4.17 Hz filter, lead compensation enabled Open Circuit Less than 1 second Detection Time Isolation Channel to Rack 500 VDC Continuous; 710 VDC for 1 minute Channel to Channel 500 VDC Continuous;...
  • Page 51 Appendix B Module Configuration Using MicroLogix 1500 and RSLogix 500 This appendix examines the 1769sc-IR6I module’s addressing scheme and describes module configuration using RSLogix 500 and a MicroLogix 1500 controller. Module Addressing The following memory map shows the input and configuration image tables for the module.
  • Page 52 Appendix B: Module Configuration Using MicroLogix 1500 and RSLogix 500 For example, to obtain the general status of channel 2 of the module located in slot e, use address I:e.6/2. The end-cap does not use a slot address. NOTE 1769sc-IR6I Configuration File The configuration file contains information you use to define the way a specific channel functions.
  • Page 53 Appendix B: Module Configuration Using MicroLogix 1500 and RSLogix 500 Configuring the 1769sc-IR6I in a MicroLogix 1500 System This example takes you through configuring your 1769sc-IR6I Isolated RTD/Resistance input module with RSLogix 500 programming software, assumes your module is installed as expansion I/O in a MicroLogix 1500 system, and that RSLinx™...
  • Page 54 Appendix B: Module Configuration Using MicroLogix 1500 and RSLogix 500 2. While offline, double-click on the IO Configuration icon under the controller folder and the following IO Configuration screen appears: 3. This dialog allows you to manually enter expansion modules into expansion slots, or to automatically read the configuration of the controller.

  • Page 55: Appendix B Module Configuration Using Micrologix 1500 And Rslogix 500

    Appendix B: Module Configuration Using MicroLogix 1500 and RSLogix 500 the one shown below. 7. When finished, click OK. 8. To complete the configuration, double-click on the module from the IO configuration screen and select the Generic Extra Data Config tab. The following dialog appears: 9.
  • Page 56 Appendix B: Module Configuration Using MicroLogix 1500 and RSLogix 500 User’s Manual Pub. 0300241-02 Rev. A...

  • Page 57: Appendix C Configuring The Ir6I For Compactlogix Controllers In Rslogix 5000

    To configure a 1769sc-IR6I Isolated RTD/resistance module for a CompactLogix Controller using RSLogix 5000 with the 1769 Generic Profile: 1. Begin a new project in RSLogix 5000. Click on the new project icon or on the FILE pull-down menu and select NEW.
  • Page 58 CompactBus Local, and select New Module. The following dialog appears: 4. Use this dialog to narrow your search for I/O modules to configure into your system. From the list select the Generic 1769 Module. 5. Click the OK button. User’s Manual Pub. 0300241-02 Rev. A...
  • Page 59 IR6I Isolated RTD/resistance module is located in slot 1. 8. Enter the Comm Format, Assembly Instance, and Size values for the 1769sc-IR6I RTD/resistance module using the following table: Table C-1 (Generic Profile Settings) 1769 I/O Comm. Parameter Assembly Size Module...

  • Page 60: Configuring I/O Modules

    Appendix C: Configuring the IR6I for CompactLogix Controllers in RSLogix 5000 When complete, the Generic Profile for a 1769sc-IR6I module should look like the following, filled-in dialog: 10. Click Finish to complete the configuration of your I/O module. 11. Configure each I/O module in this manner. Configuring I/O Modules Once you have created a Generic Profile for 1769sc-IR6I Isolated...
  • Page 61 Appendix C: Configuring the IR6I for CompactLogix Controllers in RSLogix 5000 • Configuration Data: Local:s:C Where s is the slot number assigned to the I/O modules in the Generic Profiles. In order to configure an I/O module, you must open up the configuration tag for that module by clicking on the plus sign to the left of its configuration tag in the Controller Tag data base.
  • Page 62 Appendix C: Configuring the IR6I for CompactLogix Controllers in RSLogix 5000 Your 1769sc-IR6I module input data is located in the following tag addresses when the controller is in Run mode. 1769sc-IR6I Channel Tag Address Local:1:I.Data[0] Local:1:I.Data[1] Local:1:I.Data[2] Local:1:I.Data[3] Local:1:I.Data[4] Local:1:I.Data[5] Where 1 represents the slot number of the 1769sc-IR6I module.

  • Page 63: Appendix D Configuring The Ir6I To Be Used With A 1769-Adn Devicenet Adapter

    DeviceNet Adapter This application example assumes your 1769sc-IR6I isolated RTD/resistance input module is in a remote DeviceNet system controlled by a 1769-ADN DeviceNet adapter. RSNetworx for DeviceNet is not only used to configure your DeviceNet network, but is also used to configure individual I/O modules in remote DeviceNet adapter systems.
  • Page 64 RSNetworx for DeviceNet software is not version 6.00 or later. To continue, you will need to obtain an upgrade for your software. If the 1769- ADN/A does appear, double-click it and it will be placed on the network to the right as shown below.

  • Page 65: Configuring The 1769Sc-Ir6I

    1769sc-IR6I module. To add the 1769sc-IR6I to bank 1, click on the first empty slot after the 1769-ADN. From the module list on the left, select the 1769sc-IR6I. The module should...
  • Page 66 I-D-4 Appendix D: Configuring the IR6I to be Used with a 1769-AND DeviceNet Adapter appear in the empty slot. Double-click on the 1769sc-IR6I module in slot 1 and the following 1769sc-IR6I configuration screen appears: Enter 1 into the bank field at the bottom of the screen.
  • Page 67 Appendix D: Configuring the IR6I to be Used with a 1769-AND DeviceNet Adapter Click OK and your configuration for the 1769sc-IR6I isolated RTD/resistance input module is complete. Refer to your Compact™ I/O 1769-ADN DeviceNet Adapter user’s manual, publication number 1769-UM001A-US-P, for information concerning DeviceNet network configuration and operation.
  • Page 68 I-D-6 Appendix D: Configuring the IR6I to be Used with a 1769-AND DeviceNet Adapter User’s Manual Pub. 0300241-02 Rev. A...
  • Page 69 Index Accuracy, A-3 Indicator Lights, 4-1 Input Ranges, 2 Types, 2 Calibration, 16 Input Data File, 3-10 Channel Configuration, 3-3 Input Filter Selection, 3-7 CompactLogix, C-1 Configuration Data File, 3-2 Conventions used in the manual, v LED, 3, 4-1, 4-2 Critical Module Error, 4-3 Low Voltage Directive, 2 Cut-Off Frequency, 3-9...
  • Page 70 Appendix D: Configuring the IR6I to be Used with a 1769-AND DeviceNet Adapter Raw/Proportional Data, 3-5 Repeatability, 3-9, A-3 RSLogix 500, B-1 RSLogix 5000, C-1 Scaled for PID, 3-6 Specifications, A-1 System Assembly, 7 System Operation, 3 Technical support contact information, v...
  • Page 71 User’s Manual Pub. 0300241-02 Rev. A...
  • Page 72 ©2009-2020, Spectrum Controls, Inc. All rights reserved. Specifications subject to change without notice. The Encompass logo and Point IO are trademarks of Rockwell Automation. Corporate Headquarters Spectrum Controls Inc. 1705 132nd Avenue NE, Bellevue, WA 98005 USA Fax: 425-641-9473 Tel: 425-746-9481 Web Site: www.spectrumcontrols.com...

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