Rockwell Automation Allen-Bradley ControlLogix 1756-EN2F User Manual
Ethernet/ip network devices
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Summary of Contents for Rockwell Automation Allen-Bradley ControlLogix 1756-EN2F
- Page 1 ControlLogix EtherNet/IP Network Devices Catalog Numbers 1756-EN2F, 1756-EN2T, 1756-EN2TP, 1756-EN2TPK, 1756- EN2TPXT, 1756-EN2TR, 1756-EN2TRK, 1756-EN2TRXT, 1756-EN2TXT, 1756- EN3TR, 1756-EN3TRK, 1756-EN4TR, 1756-EN4TRK, 1756-ENBT, 1756-EWEB User Manual Original Instructions...
- Page 2 If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. 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.
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Page 3: Table Of Contents
Redundant Architecture Network Considerations ....41 Redundant PRP Architecture with Redbox Switches ....43 Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 4 Index ............53 Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 5: Preface
This manual was revised to add or update the information that is listed in this table. Topic Page ControlLogix EtherNet/IP Specifications Simple Network Management Protocol How to Determine if the Module is in Explicit Protected Mode 19 Redundant PRP Architecture with Redbox Switches Diagnostic Web Pages Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 6: Additional Resources
EtherNet/IP networks and devices. You can view or download publications at https://www.rockwellautomation.com/global/literature-library/ overview.page. To order paper copies of technical documentation, contact your local Allen-Bradley distributor or Rockwell Automation sales representative. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 7: Overview
Facilitate high-speed data transfer between Logix 5000™ controllers and remote I/O modules. • Connect to multiple EtherNet/IP network topologies. Figure 1 shows how Rockwell Automation EtherNet/IP communication modules fit into a control system. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 8 DIGITAL 16 OUTPUT 24 VDC 2 TB3 5094-OW8I RELAY 8 OUTPUT ISOLATED 2 TB3W IP ADDRESS LINK 2 5094-AENTR POWER ControlLogix Controller 1738-AENTR 1734-AENTR 5094-IB16 1738 I/O Modules 1734 I/O Modules FLEX 5000™ I/O Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 9: Ethernet/Ip Network Specifications
(2) CIP™ connections can be used for all explicit or all implicit applications. For example, a 1756-ENBT module has a total of 128 CIP connections that can be used for any combination of connections. (3) There are 1000 I/0 connections and 528 messaging/HMI connections. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 10 2000 Up to 8 axes 5.x or later 2.56 or later 18.02.00 or later 25,000 supported Up to 8 axes 1756-EN2TRXT 5.028 or later 20.01.00 or later 2.56 or later 2000 25,000 supported Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
- Page 11 (5) This value assumes the use of a1756-L8x or a 1756-L7x ControlLogix controller. For a 1756-L6x ControlLogix controller, see ControlLogix Controllers User Manual, publication 1756-UM001. (6) CIP Security requires FactoryTalk Linx version 6.11.00 or later. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
- Page 12 Communicate with other EtherNet/IP or generic Ethernet devices (messaging only; no I/O control) Bridge EtherNet/IP links to route messages to devices on other networks (1) Redundant Adapters require version 3.001 and higher firmware. See the Product Compatibility and Download Center (PCDC) for that firmware. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 13: Simple Network Management Protocol
SNMP Passwords for these modules can be changed. For information on how to change the SNMP Password, see SNMP Password and MIB Configuration, Technote 34413. Enable SNMP To enable SNMP, follow the configuration in Figure 2 Figure Figure 2 - Message Configuration On Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 14: Disable Snmp
Figure 3 - Message Communication Off The content of onArray must match Figure Figure 4 - onArray Disable SNMP To disable SNMP, follow the configuration in Figure 5 Figure Figure 5 - Message Configuration Off Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 15 Figure 6 - Message Communication Off The content of onArray must match Figure Figure 7 - offArray There are two additional tables to store result of IANA port administrator state change operation. Figure 8 - onArrayOut Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 16: Electronic Keying
If an I/O connection to a device is interrupted, the result can be a loss of data. For more detailed information on Electronic Keying, see Electronic Keying in Logix 5000 Control Systems Application Technique, publication LOGIX- AT001. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 17: Protected Mode
4. Set the switches for normal operation. 5. Power up the device. 6. The device is now in Unprotected Mode. (1) For 1756-EN2F, 1756-EN2T, EN3TR, and 1756-EN2TR Versions 11.001 and later. For 1756-EN2TP and 1756-EN4TR all versions. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 18: Protected Mode In A Redundant Adapter Pair
3. Force a switchover either using AOP service or disconnect the cable. 4. Remove secondary (previous primary) device, put it in non-protected mode and insert module back. The system has disabled explicit protected mode. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 19: How To Determine If The Module Is In Explicit Protected Mode
Instance = 1 • Attribute = 13(Hex) The Destination Element Tag must be the INT type. Bit 3 is explicit protected mode and a value of 1 indicates that protected mode is enabled. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 20: Secure Digital Card
1756-EN4TR with the non-matching configuration, this configuration is copied to the 1756-EN4TR with all settings including the IP Address from the original module possibly causing an IP Address conflict. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 21 Rockwell Automation, unexpected results can occur. For example, you can experience data corruption or data loss. SD cards that are not provided by Rockwell Automation can have different industrial, environmental, and certification ratings as those cards that are available from Rockwell Automation. These cards can have difficulty with survival in the same industrial environments as the industrially rated versions available from Rockwell Automation.
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Page 22: Cip Security
Device Identity and Authentication • Data Integrity and Authentication • Data Confidentiality Rockwell Automation uses the following products to implement CIP Security: • FactoryTalk® Services Platform, version 6.11 or later, with the following components enabled: - FactoryTalk Policy Manager - FactoryTalk System Services •... -
Page 23: Parallel Redundancy Protocol
Depending on their firmware capabilities, both devices and switches can operate as supervisors or ring nodes on a DLR network. Only switches can operate as redundant gateways. For more information about DLR, see the EtherNet/IP Device Level Ring Application Technique, publication ENET-AT007. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 24 Chapter 1 ControlLogix EtherNet/IP Network Device Overview Notes: Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 25: Set The Ip Address
EtherNet/IP or USB drivers that are installed on the programming workstation • MAC ID from the device, which is on the label on the side of the device • Recommended IP address for the device Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 26: Set The Ip Address With Rotary Switches
We recommend that you set the rotary switches to a valid number before installing the module. IMPORTANT For more information on how to use the BOOTP/DHCP server to set the IP address, see EtherNet/IP Network Configuration Manual, publication ENET-UM006 Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 27: Mode Rotary Switch
You can reset the configuration of the module to its factory default value with to Factory Default Value the following method. If the module has rotary switches, set the switches to 888 and cycle power. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 28: Redundant Adapter Considerations Setting The Ip Address
5. Set the same IP address on the second module as you set on the first module. 6. Put both modules in redundant adapter mode, and put the modules in slots 0 and 1. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 29: Redundant Design Considerations
If you are using one 1756-EN4TR adapter, it functions as one adapter. If a redundant adapter is in slot 0 or slot 1, then both of those slots must contain a redundant adapter. No other types of modules can be part of the pair. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 30: Redundant System Components
On power-up, the primary is chosen from a pair of devices. The secondary adapter uses the primary IP address +1. For example, if the primary adapter has an IP address of ‘N’, then the secondary adapter has an IP address of ‘N+1’. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 31: Status Display Codes
Table 6 - Primary and Secondary Operation Modes Status Code Description PwrUp Power Up/ Unknown Disqualified secondary Qualified secondary PwQs Primary with qualified secondary partner PwDS Primary with disqualified secondary PwNS Primary with no secondary DSwP Disqualified secondary with primary Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 32: Configure A 1756-En4Tr Redundant Adapter Pair
4. Name your module and enter the IP Address. Do not put any devices in slot 1 in the I/O configuration tree. IMPORTANT 5. Click change under the module definition pane, and select "Yes" for redundancy. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 33 QS. This status displays on the adapter. The adapter that reports as QS has an IP address that was incremented by one, which was incremented by the firmware in the module. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
- Page 34 9. Examine the AOP screens by right-clicking on the module and select Properties. You can now see options in your configuration tree for Module Info Primary, Module Info Secondary, and Redundancy. The image below shows the Module Info Primary Tab. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
- Page 35 10. Under the Redundancy tab, click Qualify Secondary. 11. Click the Module Info Secondary page and examine the information. In the Status table, notice the Configured section says “No”, if it is not qualified. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
- Page 36 Slot 1. If the primary module was in slot 1 and a switchover occurred, you can see a change in the serial number of the module to match the module in slot 1. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
- Page 37 Chapter 3 Connect Redundant EtherNet/IP Adapters 13. To confirm a switchover occurred and there is no longer a secondary, on the redundancy page, click refresh. You should see “No Secondary” appear. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
- Page 38 If you try to make a redundancy system starting in any other slot in the chassis other than slot 0, the redundancy option will not be available on the module definition configuration screen. The redundant adapter must be present in slot 0. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 39: Redundant Architecture
Redundant adapters can be used in a star configuration, as shown in Figure However, the switch at the center of the star is a single point of failure. DLR provides for higher resiliency. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 40 Chapter 3 Connect Redundant EtherNet/IP Adapters Figure 10 - Redundant 1756-EN4TR Adapters in Star Topology with a Single Switch Redundancy Module Logix5575 FORCE SD PRI COM OK 1756-EN4TR or 1756-EN2T 1756-EN4TR pair Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 41: Redundant Architecture Network Considerations
This action occurs even though the secondary adapter still has a healthy path to the primary controller. Similarly, the secondary controller in the redundant controller pair disqualifies because it cannot detect the primary. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 42 Connect Redundant EtherNet/IP Adapters Figure 12 - Invalid Topology: Network Break Results in Loss of Control Redundancy Module Logix5575 Redundancy Module Logix5575 FORCE SD PRI COM OK FORCE SD PRI COM OK Secondary Primary Primary Secondary Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 43: Redundant Prp Architecture With Redbox Switches
The proposed architecture can be significantly simplified in the future, once native PRP support added to 1756-EN4TR functionality. For more information, see the Deploying Parallel Redundancy Protocol within a Converged Plantwide Ethernet Architecture Technical Data. LAN 1 LAN 2 REDBOX 1 REDBOX 2 Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 44 Chapter 3 Connect Redundant EtherNet/IP Adapters Notes: Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 45: Status Indicators
OK Status Indicator LINK NET OK Network Status Indicator (NET) Link Status Indicator (LINK) Figure 14 - 1756-EN2TR, 1756-EN3TR (Dual-port Modules) Module Status Display OK Status Indicator Link Status Network Status Indicator (NET) Indicators (LINK) Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 46 (1) Parallel Redundant Protocol and Redundant Adapter features are not available in the initial release. Check the Product Compatibility and Download Center (PCDC) to see if it is available in your firmware revision. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 47: Single-Port Module Status Indicators
• The module has not established any CIP connections. If connections are configured for this module, check Flashing green the connection originator for the connection error code. • All connections to the device have timed out or been closed. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 48 Indicates if CIP connections are established. Duplicate IP <Mac_address_of_duplicate_node_detected> For example: OK 10.88.60.196 Duplicate IP - 00:00:BC:02:34:B4 Change the IP address of the module. Flashing green/flashing The module is performing its power-up testing. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 49: Dual-Port Module Status Indicators
Module Status display. The display scrolls: OK <IP_address_of_this_module> Duplicate IP <Mac_address_of_duplicate_node_detected> For example: OK 10.88.60.196 Duplicate IP - 00:00:BC:02:34:B4 Change the module’s IP address. Flashing green/flashing The module is performing its power-up testing. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 50: Diagnostic Web Pages
The diagnostic web pages have many fields that you can use to monitor the operating state of your EtherNet/IP module. To troubleshoot problems, you diagnose as a result of monitoring the diagnostic web pages of the EtherNet/IP modules, refer to publication ENET-AT003, Troubleshoot EtherNet/IP Networks. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... -
Page 51: Access The Diagnostic Web
The diagnostic web home page appears. 3. Open the Diagnostics folder in the left-most navigation bar and click the link for each diagnostic web page you must monitor. For more information on diagnostics, see ENET-AT003. Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 52 Appendix A ControlLogix Network Device Status Indicators Notes: Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
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Page 53: Index
49 requirements 25 single-port 47 rotary switches 26 summary of changes 5 set the IP address 25 major revision 16 minor revision 16 mode rotary switch 27 capabilities 27 network specifications 9 Rockwell Automation Publication 1756-UM004C-EN-P - June 2021... - Page 54 10 troubleshoot web browser support 51 vendor 16 web browser support 51 Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
- Page 55 ControlLogix EtherNet/IP Network Devices User Manual Rockwell Automation Publication 1756-UM004C-EN-P - June 2021...
- Page 56 Rockwell Otomasyon Ticaret A.Ş. Kar Plaza İş Merkezi E Blok Kat:6 34752, İçerenkÖy, İstanbul, Tel: +90 (216) 5698400 EEE YÖnetmeliğine Uygundur Publication 1756-UM004C-EN-P - June 2021 Supersedes Publication 1756-UM004B-EN-P - April 2020 Copyright © 2021 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.