Related Manuals for Allen-Bradley ControlLogix ControlNet B Series
Summary of Contents for Allen-Bradley ControlLogix ControlNet B Series
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Page 1: Table Of Contents
Installation Instructions ControlLogix ControlNet Interface Module Catalog Numbers 1756-CN2, 1756-CN2R, Series B Topic Page Important User Information European Hazardous Location Approval North American Hazardous Location Approval Environment and Enclosure Prevent Electrostatic Discharge The ControlNet Interface Module and Redundant Media Understanding Standalone and Redundant Control Example Redundant System Before You Begin Parts List... -
Page 2: Important User Information
2 ControlLogix ControlNet Interface Module Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://literature.rockwellautomation.com) describes some important differences between solid state equipment and hard-wired electromechanical devices. -
Page 3: European Hazardous Location Approval
This equipment must be installed in an enclosure providing at least IP54 protection when applied in Class I, Zone 2 environments. This equipment shall be used within its specified ratings defined by Allen-Bradley. Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 40% when applied in Class I, Zone 2 environments. -
Page 4: North American Hazardous Location Approval
4 ControlLogix ControlNet Interface Module North American Hazardous Location Approval The following information applies when Informations sur l’utilisation de cet operating this equipment in hazardous équipement en environnements dangereux. locations. Products marked "CL I, DIV 2, GP A, B, C, D" are suitable for Les produits marqués "CL I, DIV 2, GP A, B, C, D"... -
Page 5: Environment And Enclosure
In addition to this publication, see: Industrial Automation Wiring and Grounding Guidelines, for additional installation requirements, Allen-Bradley publication 1770-4.1. NEMA Standards publication 250 and IEC publication 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosure. -
Page 6: The Controlnet Interface Module And Redundant Media
6 ControlLogix ControlNet Interface Module The ControlNet Interface Module and Redundant Media Use the 1756-CN2 ControlLogix ControlNet series B module if redundant media is not necessary. Applications requiring redundant media must use the 1756-CN2R module. Understanding Standalone and Redundant Control You can use the 1756-CN2R series B modules for standalone or redundant control. -
Page 7: Example Redundant System
ControlLogix ControlNet Interface Module 7 Example Redundant System 1756-RM Module Primary 1756-CN2R Module Chassis Redundant Control Chassis Pair 1756-RM Module Secondary 1756-CN2R Module Chassis 1756-CNB/CNBR 1756-CN2 Module Remote I/O Chassis 1756-CN2R Module ControlNet Network The 1756-CN2 and 1756-CN2R series B modules are supported in IMPORTANT both the local chassis (primary and secondary) and the remote chassis (I/O chassis) of a ControlLogix redundancy system,... -
Page 8: Before You Begin
8 ControlLogix ControlNet Interface Module Before You Begin Before you install the module, make sure you know how to handle the module. Refer to Prevent Electrostatic Discharge on page 5. Parts List You need all of the components shown. 1756-PA72, 1756-PA75, 1756-A4, 1756-A7, 1756-A10, 1756-CN2 or 1756-CN2R 1756-PB72, or 1756-PB75... -
Page 9: Identify Module Features
ControlLogix ControlNet Interface Module 9 Identify Module Features These are the hardware components of the 1756-CN2 and 1756-CN2R series B bridge modules. Network Address Switches Module Status (not shown) See page 10. Alphanumeric Backplane Display Connector Module ControlNet COAX Status Channel Indicator Status... -
Page 10: Set The Module's Network Address Switches
10 ControlLogix ControlNet Interface Module Set the Module’s Network Address Switches Use a small screwdriver to set the module’s network address switches. For modules in a standalone chassis, you must specify a unique ControlNet network address. You can select an address of 01...99 for modules in a standalone chassis. -
Page 11: Keeper Configuration - Automatic Keeper Crossload
ControlLogix ControlNet Interface Module 11 3. Reset the switches to 00. Do not use the 00 switch setting during normal module operation. IMPORTANT 4. Replace the module in the chassis. 5. Apply power to the chassis. 6. After the module status display reads, "Reset Complete-Change Switch Settings,"... -
Page 12: Prepare The Chassis For Module Installation
12 ControlLogix ControlNet Interface Module Prepare the Chassis for Module Installation Before you install the 1756-CN2 or 1756-CN2R series B module, you must install and connect a ControlLogix chassis and power supply. A four-slot chassis with a power supply is shown here. Power Chassis Supply... -
Page 13: Install The Module
ControlLogix ControlNet Interface Module 13 Install the Module Circuit Board To install the module, perform this procedure. 1. Align the circuit board with top and bottom guides in the chassis. 2. Slide the module into the chassis. Make sure the module backplane connector properly connects to the chassis backplane. -
Page 14: Connect The Module To The Network
14 ControlLogix ControlNet Interface Module Connect the Module to the Network You can connect the module to the ControlNet network by using a tap (catalog number 1786-TPR, 1786-TPS, 1786-TPYR, or 1786-TPYS). If you connect or disconnect the communication cable with power WARNING applied to this module or any device on the network, an electrical arc can occur. - Page 15 ControlLogix ControlNet Interface Module 15 Connect the Module to the Network by Using a Tap To connect the module to the network with a tap, perform this procedure. 1. Remove and save the dust caps from the ControlNet taps. Do not allow any metal portions of the tap to contact any conductive ATTENTION material.
- Page 16 16 ControlLogix ControlNet Interface Module To avoid accidentally reversing the tap connections, before making IMPORTANT your connection, check the tap drop cable for the label indicating the attached segment. Accidental connection reversals produce incorrect status displays and require troubleshooting. To use modules in a redundant-control chassis pair, you must connect the primary and redundant partner modules to the same network segment.
- Page 17 ControlLogix ControlNet Interface Module 17 Use this flowchart as a guide. Turn the chassis power supply on. Module status See Status Indicators indicator red? on page 22. Module performs a self-test initialization. TEST Self-test is complete. Module status The status indicator indicator red? flashes green.
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Page 18: Remove The Module
18 ControlLogix ControlNet Interface Module Remove the Module To remove the module, perform this procedure. 1. Push on the upper and lower tabs to disengage them. 2. Slide the module out of the chassis. Upper Tab If you are replacing an existing module with an identical one, and IMPORTANT you want to resume identical system operation, you must install the new module with the same ControlNet address in the same slot. -
Page 19: Install The Eds File
ControlLogix ControlNet Interface Module 19 Install the EDS File The EDS file can be uploaded directly from the module. This feature lets you register the EDS file for your module from within RSLinx software by following the steps listed below. 1. -
Page 20: Configure Rslinx Software To Use The Usb Port
20 ControlLogix ControlNet Interface Module Configure RSLinx Software to Use the USB Port The ControlNet interface module has a USB device port that uses a Type B receptacle. The port is USB 1.1-compatible and runs at 12 Mbps. To use the USB port, you must have RSLinx software, version 2.51 or later, installed on your workstation. -
Page 21: Set Up The Usb Driver
ControlLogix ControlNet Interface Module 21 Set Up the USB Driver To configure RSLinx software to use a USB port, you need to first set up a USB driver. To set up a USB driver, perform this procedure. 1. Connect your 1756-CN2 or 1756-CN2R module to your workstation by installing a USB cable in your module’s USB port. -
Page 22: Status Indicators
22 ControlLogix ControlNet Interface Module Status Indicators The modules have these status indicators. 1756-CN2 1756-CN2R Module Module Module Status Display - COAX COAX See page 23 Module Status LED Indicator - See page 23 ControlNet Channel Status Indicators - See page 29 Publication 1756-IN607A-EN-P - February 2008... -
Page 23: Module Status Indicator And Display
ControlLogix ControlNet Interface Module 23 Module Status Indicator and Display The Module Status indicator and Module Status display provide diagnostic information. Indicator Display Cause Recommended Action None The module is not 1. Check the power supply. communicating due to a 2. - Page 24 24 ControlLogix ControlNet Interface Module Indicator Display Cause Recommended Action Stop Service A non-redundant module is 1. Remove the non-redundant (cont.) Received placed into a redundant module from the redundant secondary chassis. The secondary chassis module was commanded to 2. Replace the non-redundant stop functioning by the module with the redundant redundancy module...
- Page 25 ControlLogix ControlNet Interface Module 25 Indicator Display Cause Recommended Action Flashing TEST Module is executing a No action is required. red (cont.) power-up test. If the display persists for more than 45 seconds, replace the module because it has failed. Green This is normal operation.
- Page 26 26 ControlLogix ControlNet Interface Module Indicator Display Cause Recommended Action Green MACID Node address switch changed No action is required, but we (cont.) SWITCH after you cycled power. recommend that you either ERROR return switches to their original settings or replace the module, since this could indicate a latent hardware problem.
- Page 27 ControlLogix ControlNet Interface Module 27 Indicator Display Cause Recommended Action Keeper: The network configuration Perform any of these steps: Unconfigured data maintained in flash • Use RSNetWorx software to memory by the keeper object download or update the has been erased or corrupted. keeper object in the module.
- Page 28 28 ControlLogix ControlNet Interface Module Indicator Display Cause Recommended Action Keeper: The network configuration Use RSNetWorx software to (cont.) Signature data maintained in flash download or update the keeper Mismatch memory by the keeper object object in the module, or see does not match the current Reset the Module to the network configuration.
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Page 29: Controlnet Channel Status Indicators
ControlLogix ControlNet Interface Module 29 ControlNet Channel Status Indicators The ControlNet channel status indicators appear in one of these states: • Steady - status indicator is on continuously in the defined state. • Alternating - while viewed together, the two indicators simultaneously alternate between the two defined states. - Page 30 30 ControlLogix ControlNet Interface Module ControlNet Channel Troubleshooting (A OR B) Cause Action Channel has been disabled. Program network for redundant media, if required. Steady green This is normal operation. No action is required. Flashing Temporary errors exist. None; unit will self-correct. green/off Node is not configured to go Make sure the configuration...
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Page 31: Specifications
ControlLogix ControlNet Interface Module 31 Specifications ControlLogix ControlNet Bridge Module - 1756-CN2, 1756-CN2R, Series B Attribute Value Connectors 1756-CN2 1 - ControlNet BNC 1756-CN2R 2 - ControlNet BNC USB port USB 1.1 USB Device USB Series B Receptacle Recommended USB cable for USB Samtec cable, P/N RSP-199350 port ControlNet communication rate... - Page 32 32 ControlLogix ControlNet Interface Module ControlLogix ControlNet Bridge Module - 1756-CN2, 1756-CN2R, Series B Attribute Value Power dissipation, max 1756-CN2 5.6 W 1756-CN2R 6.6 W Thermal dissipation, max 1756-CN2 19.1 BTU/hr 1756-CN2R 22.5 BTU/hr Backplane current 1756-CN2 1.1 A @ 5.1V dc 1756-CN2R 1.3 A @ 5.1V dc 1756-CN2...
- Page 33 ControlLogix ControlNet Interface Module 33 Environmental Specifications Attribute Value Temperature, operating IEC 60068-2-1 (Test Ad, Operating Cold), IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): 0…60 °C (32…140 °F) Temperature, storage IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold), IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat), IEC 60068-2-14 (Test Na, Unpackaged Nonoperating Thermal Shock):...
- Page 34 34 ControlLogix ControlNet Interface Module Certifications Certification Value Certifications UL Listed Industrial Control Equipment. See UL File E65584. (when product UL Listed for Class I, Division 2 Group A,B,C,D Hazardous Locations. See UL File E194810 is marked) cULus UL Listed Industrial Control Equipment, certified for US and Canada.
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Page 35: Additional Resources
ControlLogix ControlNet Interface Module 35 Additional Resources These documents contain additional information concerning related Rockwell Automation products. Resource Description Industrial Automation Wiring and Grounding Contains general guidelines for Guidelines, publication 1770-4.1 installing a Rockwell Automation industrial automation system ControlNet Modules in Logix5000 Control Systems Contains information on how to use User Manual, publication CNET-UM001 ControlNet modules with various... - Page 36 Please contact your local Rockwell Automation representative for the return procedure. ControlLogix, Logix5000, RSNetWorx for ControlNet, RSLinx, ControlFLASH, RSNetWorx, Allen-Bradley, Rockwell Automation, and TechConnect are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies.
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