Related Manuals for Allen-Bradley 1756-CN2/B
Summary of Contents for Allen-Bradley 1756-CN2/B
- Page 1 Installation Instructions ControlNet Modules Catalog Numbers 1756-CN2/B, 1756-CN2R/B, 1756-CN2RXT, 1756-CNB/E, 1756-CNBR/E, 1768-CNB, 1768-CNBR...
- Page 2 Identifies information that is critical for successful application and understanding of the product. IMPORTANT Allen-Bradley, Compact I/O, CompactLogix, ControlFLASH, ControlLogix-XT, ControlLogix, FLEX I/O-XT, Logix5000, Logix-XT, PanelView, RSLinx, RSLogix, RSNetWorx, Rockwell Software, Rockwell Automation, RSLogix 5000, RSLinx Classic, RSNetWorx for ControlNet, and TechConnect are trademarks of Rockwell Automation, Inc.
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Page 3: Table Of Contents
Table of Contents Preface Additional Resources ..........5 Chapter 1 Install a 1756 ControlNet ControlLogix-XT Systems . - Page 4 Interpret the Network Channel Status Indicators....38 Indicators 1756-CN2/B, 1756-CN2R/B, and 1756-CN2RXT ControlNet Communication Modules ......38 OK Status Indicator and Display .
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Page 5: Additional Resources
Preface This manual describes how to install and start up ControlNet modules with Logix5000 controllers. You should use this manual if you program applications that use the ControlNet network with one of these Logix5000 controllers: • CompactLogix controller • ControlLogix controller You should also understand the following: •... - Page 6 Preface Notes: Rockwell Automation Publication CNET-IN005A-EN-P - May 2011...
- Page 7 Chapter Install a 1756 ControlNet Communication Module Topic Page ControlLogix-XT Systems Redundant Media Installation Summary Determine Module Slot Location Set the Node Address Install the Module Connect the Module to a ControlNet Network Remove the Module Install the EDS File Connect a Programming Terminal to the Network with a 1786-CP Cable Connect to the Module via the USB Port...
- Page 8 Chapter 1 Install a 1756 ControlNet Communication Module North American Hazardous Location Approval The following information applies when operating this equipment Informations sur l’utilisation de cet équipement en environnements in hazardous locations. dangereux. Products marked "CL I, DIV 2, GP A, B, C, D" are suitable for use in Class I Les produits marqués "CL I, DIV 2, GP A, B, C, D"...
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Page 9: Controllogix-Xt Systems
Install a 1756 ControlNet Communication Module Chapter 1 ATTENTION: Prevent Electrostatic Discharge This equipment is sensitive to electrostatic discharge, which can cause internal damage and affect normal operation. Follow these guidelines when you handle this equipment: • Touch a grounded object to discharge potential static. •... -
Page 10: Redundant Media
Chapter 1 Install a 1756 ControlNet Communication Module Redundant Media These 1756 ControlNet bridge modules have two ControlNet ports to support redundant media: • 1756-CN2R/B • 1756-CN2RXT • 1756-CNBR/E For information about using these modules with redundant media, refer to Chapter Installation Summary To install a communication module in a 1756 ControlLogix chassis, complete... -
Page 11: Set The Node Address
Install a 1756 ControlNet Communication Module Chapter 1 This example shows chassis slot numbering in a ControlLogix-XT chassis. Slot 0 Slot 2 Slot 4 Slot 1 Slot 3 Set the Node Address Use a small screwdriver to set the module’s node address switches. You must specify a unique ControlNet node address. -
Page 12: Install The Module
Chapter 1 Install a 1756 ControlNet Communication Module Install the Module WARNING: When you insert or remove the module while backplane power is on, an electrical arc can occur. This could cause an explosion in hazardous location installations. Be sure that power is removed or the area is nonhazardous before proceeding. -
Page 13: Connect The Module To A Controlnet Network
Be sure that power is removed or the area is nonhazardous before proceeding. WARNING: The USB port on 1756-CN2/B, 1756-CN2R/B, and 1756-CN2RXT modules is intended for temporary local programming purposes only and not intended for permanent connection. If you connect or disconnect the USB cable with power applied to this module or any device on the USB network, an electrical arc can occur. - Page 14 Trunkline A Trunkline B 1756-CN2/B Trunkline A 1756-CN2R/B Trunklines A and B Dust Cap Dust Cap 2. Connect the tap’s straight or right-angle connector to the module’s BNC connector.
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Page 15: Remove The Module
The figure shows the removal of a 1756-CN2RXT module. Reset the Module to the Original Factory Settings If you are using a 1756-CN2/B, 1756-CN2R/B, or 1756-CN2RXT communication module, you can reset the module to its original settings and clear all keeper information. -
Page 16: Keeper Configuration-Automatic Keeper Crossload
10. Apply power to the chassis. Keeper Configuration—Automatic Keeper Crossload The 1756-CN2/B, 1756-CN2R/B, and 1756-CN2RXT communication modules are keeper capable modules. If a keeper capable module has a valid configuration and has the lowest address among the keeper capable nodes on the network, it becomes the active keeper. -
Page 17: Install The Eds File
Use the steps below to register the EDS file from within RSLinx software. 1. Open RSLinx software and browse for the module. • RSLinx software, version 2.51 or later, is required for the 1756-CN2/B or 1756-CN2R/B module. • RSLinx software, version 2.55 or later, is required for the 1756- CN2RXT module. -
Page 18: Connect To The Module Via The Usb Port
Be sure that power is removed or the area is nonhazardous before proceeding. Connect to the Module via The 1756-CN2/B, 1756-CN2R/B, and 1756-CN2RXT communication modules include a USB port. For more information about USB setup and the USB Port configuration, refer to... - Page 19 The USB port on ControlNet modules uses a Type B receptacle. The port is USB 1.1-compatible and runs at 12 Mbps. • To use the USB port with a 1756-CN2/B or 1756-CN2R/B module, you must have RSLinx software, version 2.51 or later, installed on your computer.
- Page 20 Chapter 1 Install a 1756 ControlNet Communication Module Notes: Rockwell Automation Publication CNET-IN005A-EN-P - May 2011...
- Page 21 Chapter Install a 1768 ControlNet Communication Module Topic Page Redundant Media Installation Summary Set the Node Address Install the Module Connect the Module to a ControlNet Network Remove the Module ATTENTION: Environment and Enclosure This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage Category II applications (as defined in IEC 60664-1), at altitudes up to 2000 m (6562 ft) without derating.
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Page 22: Redundant Media
Chapter 2 Install a 1768 ControlNet Communication Module North American Hazardous Location Approval The following information applies when operating this equipment Informations sur l’utilisation de cet équipement en environnements in hazardous locations. dangereux. Products marked "CL I, DIV 2, GP A, B, C, D" are suitable for use in Class I Les produits marqués "CL I, DIV 2, GP A, B, C, D"... -
Page 23: Installation Summary
Install a 1768 ControlNet Communication Module Chapter 2 Installation Summary To install a communication module in a 1768 ControlLogix chassis, complete these steps. Set the Node Address. Install the Module. Connect the Module to a ControlNet Network. Remove the Module. Grounding Considerations ATTENTION: This product is grounded through the DIN rail to chassis ground. -
Page 24: Install The Module
Chapter 2 Install a 1768 ControlNet Communication Module Install the Module To install the module, follow this procedure. If You Use Screws to Mount the Module Do not use screws and DIN rail to mount the module. It is possible to IMPORTANT break the mounting tabs off if you screw the module to the panel while they are on DIN rail. - Page 25 Install a 1768 ControlNet Communication Module Chapter 2 1768-CNB Module 1768-CNBR Module (rear) (front) 31646AB-M 31646A-M Rockwell Automation Publication CNET-IN005A-EN-P - May 2011...
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Page 26: Connect The Module To A Controlnet Network
Chapter 2 Install a 1768 ControlNet Communication Module Connect the Module to a You can connect the module to the ControlNet network by using a tap (catalog number 1786-TPR, 1786-TPS, 1786-TPYR, 1786-TPYS, or 1786-TCT2BD1) ControlNet Network or a network access cable (catalog number 1786-CP). Refer to the ControlNet Coax Media Planning and Installation Guide, publication CNET-IN002, for additional information. -
Page 27: Remove The Module
Install a 1768 ControlNet Communication Module Chapter 2 2. Connect the tap’s straight or right-angle connector to the module’s BNC connector. If your network supports Connect the tap’s connector Nonredundant media From trunkline A to channel A on the module. (1768-CNx modules) Redundant media •... - Page 28 Chapter 2 Install a 1768 ControlNet Communication Module Remove a module as shown below. Rockwell Automation Publication CNET-IN005A-EN-P - May 2011...
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Page 29: Use Redundant Media
Chapter Redundant Media Topic Page Use Redundant Media These ControlNet bridge modules support redundant media: • 1756-CN2R/B • 1756-CN2RXT • 1756-CNBR/E • 1768-CNBR Use Redundant Media You can run a second trunk cable between ControlNet nodes for redundant media. With redundant media, nodes send signals on separate trunks. The receiving node compares the quality of the two signals and permits use of the better signal while retaining the other signal on a back-up cable should the primary trunk cable fail. - Page 30 Chapter 3 Redundant Media Figure 1 - Redundant Media Example Trunk Cable A Trunk Cable B Node Node Node To use redundant media, all nodes must support redundant media. Observe these guidelines when planning a redundant media system in a hazardous area: •...
- Page 31 Redundant Media Chapter 3 Figure 2 - Redundant Media System Trunk Cable A Trunk Cable B Terminators Terminators Node Node Repeater B Repeater A Terminators Terminators Power OU T Node Node Rockwell Automation Publication CNET-IN005A-EN-P - May 2011...
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Page 32: Additional Resources
Chapter 3 Redundant Media We recommend you do not mix cable connections when using redundant IMPORTANT cabling, such as connecting trunk cable A to the B connector on the node. Mixing cable connections makes it difficult to interpret cable fault indications and locate a bad cable segment. -
Page 33: Set Up A Usb Driver
USB Communication Topic Page Set Up a USB Driver The 1756-CN2/B, 1756-CN2R/B, and 1756-CN2RXT ControlNet modules support USB communication. Set Up a USB Driver To configure RSLinx software to use a USB port, you need to first set up a USB driver. - Page 34 Chapter 4 USB Communication 2. Click Install the Software Automatically (Recommended), and then click Next. The following dialog boxes appear consecutively. 3. Click Finish to set up your USB driver. 4. To view modules in RSLinx software, from the Communications pull- down menu, choose RSWho.
- Page 35 USB Communication Chapter 4 The RSLinx Workstation organizer appears. Virtual Chassis Driver USB Port Driver Your ControlNet modules appear under two different drivers, a virtual chassis and the USB port. You can use either driver to browse through your ControlNet modules. Rockwell Automation Publication CNET-IN005A-EN-P - May 2011...
- Page 36 Chapter 4 USB Communication Notes: Rockwell Automation Publication CNET-IN005A-EN-P - May 2011...
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Page 37: Interpret The Ok Status Indicator
Appendix 1756 ControlNet Status Indicators Topic Page 1756-CN2/B, 1756-CN2R/B, and 1756-CN2RXT ControlNet Communication Modules 1756-CNB/E and 1756-CNBR/E ControlNet Communication Modules The 1756 ControlNet communication modules and adapters support these status indicators. Status Indicator Description OK status indicator Indicates the module’s current state. -
Page 38: Interpret The Network Channel Status Indicators
When you connect the module to a ControlNet network using only the IMPORTANT NAP, the channel A and channel B indicators are meaningless. 1756-CN2/B, 1756-CN2R/B, This section provides the following information about status indicators: and 1756-CN2RXT • To understand the OK status indicator and display messages, refer to... -
Page 39: Ok Status Indicator And Display
Remove the nonredundant module from the redundant secondary chassis, and then replace the nonredundant module with the redundant module. This could occur if a 1756-CN2/B or 1756-CN2R/B module running Boot code is inserted into a chassis along with a 1756-SRM or 1756-RM module. - Page 40 Check the corresponding slot of the primary chassis for the module type and revision. PwDS The module is primary with a disqualified secondary partner. Check the type and revision of the 1756-CN2/B module. PQgS The module is primary with a qualifying secondary partner. PwQS The module is primary with a qualified secondary partner.
- Page 41 1756 ControlNet Status Indicators Appendix A Table 1 - OK Status Indicator and Display Status Display Description Keeper: Unconfigured The network configuration data maintained in memory by the keeper object has been erased or corrupted. Do any of the following: •...
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Page 42: Network Channel Status Indicators
Appendix A 1756 ControlNet Status Indicators Network Channel Status Indicators Table 2 - Network Channel Status Indicators A and B Status Description There is no power. Steady red Unit has faulted. Cycle power or reset unit. If the fault persists, contact a Rockwell Automation representative or distributor. -
Page 43: Controlnet Communication Modules
1756 ControlNet Status Indicators Appendix A 1756-CNB/E and 1756- This section provides the following information about status indicators: CNBR/E ControlNet • To understand the OK status indicator and display messages, refer to Communication Modules Table 4 below. • For information about viewing the network channel status indicators together, refer to Table 5 on page •... - Page 44 Appendix A 1756 ControlNet Status Indicators Table 4 - OK Status Indicator and Display Status Display Description Flashing red BOOT The module has invalid firmware. Update the module’s firmware with ControlFLASH software. ROM UPDT A firmware update is in progress. SNGL KPR! The module has detected that it has been connected to a ControlNet single-keeper network, version 1.0 or 1.25.
- Page 45 1756 ControlNet Status Indicators Appendix A Table 4 - OK Status Indicator and Display Status Display Description Steady green or off SO_1 Old primary switchover phase 1 is in progress. If the display shows this message for more than 3 seconds, then the 1756-CNB/E module failed during transition from one redundancy phase to another.
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Page 46: Network Channel Status Indicators
Appendix A 1756 ControlNet Status Indicators Network Channel Status Indicators Table 5 - Network Channel Status Indicators A and B Status Description There is no power. Steady red The module has faulted. Cycle power to the module. If the fault persists, contact your Rockwell Automation representative or distributor. -
Page 47: 1768-Cnb And 1768-Cnbr Controlnet Modules
Appendix 1768 ControlNet Module Status Indicators Topic Page 1768-CNB and 1768-CNBR ControlNet Modules The 1768 ControlNet communication modules support these status indicators. Status Indicator Description OK status indicator Indicates the module’s current state. Network channel status indicators Indicates the status of network channels A and B. Status Display OK Status Indicator Network Channel... -
Page 48: Ok Status Indicator And Display
Appendix B 1768 ControlNet Module Status Indicators OK Status Indicator and Display Table 7 - OK Status Indicator and Display Status Display Description None The module is not communicating due to a power supply fault or internal fault. Do any of the following: •... -
Page 49: Network Channel Status Indicators
1768 ControlNet Module Status Indicators Appendix B Network Channel Status Indicators The ControlNet network channel-status indicators appear in one of these states: • Steady—The indicator is on continuously in the defined state. • Alternating—The two indicators alternate between the two defined states at the same time (applies to both indicators viewed together). -
Page 50: Rockwell Automation Publication Cnet-In005A-En-P - May
Appendix B 1768 ControlNet Module Status Indicators Notes: Rockwell Automation Publication CNET-IN005A-EN-P - May 2011... - Page 52 Rockwell Automation Support Rockwell Automation provides technical information on the Web to assist you in using its products. At http://www.rockwellautomation.com/support/, you can find technical manuals, a knowledge base of FAQs, technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools.