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Rockwell Automation Allen-Bradley 1756-EN2T User Manual

Rockwell Automation Allen-Bradley 1756-EN2T
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4 Rockwell Automation Publication 1756-UM004D-EN-P - August 2022
Table of Contents
Redundant Switchovers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Switchover Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Status Display Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Configure a 1756-EN4TR Redundant Adapter Pair . . . . . . . . . . . . . . . . . . 30
Redundant Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Redundant Architecture Network Considerations. . . . . . . . . . . . . . . . . . 37
PRP Architecture with RedBox Switches. . . . . . . . . . . . . . . . . . . . . . . . . . . 39
PRP Architecture without RedBox Switches . . . . . . . . . . . . . . . . . . . . . . . 40
Chapter 4
Security Options MSG Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Configure the MSG Communication Path. . . . . . . . . . . . . . . . . . . . . . 41
Disable/Enable an Ethernet Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Disable/Enable an Ethernet Port with FactoryTalk Linx Network
Browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Disable/Enable an Ethernet Port on the Port Configuration Tab. . 44
Disable an Ethernet Port with a MSG Instruction . . . . . . . . . . . . . . . 45
Disable the CIP Security Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Disable the CIP Security Ports with FactoryTalk Linx Network
Browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Disable the CIP Security Ports with a MSG Instruction . . . . . . . . . . 47
Disable/Enable LLDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Disable the USB Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Disable/Enable the SD Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Disable/Enable the SD Card on the Module Properties Dialog. . . . 51
Disable/Enable the SD Card with a MSG Instruction . . . . . . . . . . . . 52
Disable/Enable the 4-character Status Display . . . . . . . . . . . . . . . . . . . . . 53
Disable/Enable All Categories of Messages . . . . . . . . . . . . . . . . . . . . . 53
Disable/Enable Individual Categories of Messages . . . . . . . . . . . . . . 54
Disable/Enable the 1756-EN4TR Webpages . . . . . . . . . . . . . . . . . . . . . . . . 56
Use a CIP Generic MSG to Disable the Webpages . . . . . . . . . . . . . . . 56
Use a CIP Generic MSG to Enable the Webpages. . . . . . . . . . . . . . . . 57
Disable/Enable Simple Network Management Protocol (SNMP) . . . . . 58
Use a CIP Generic MSG to Disable SNMP . . . . . . . . . . . . . . . . . . . . . . 58
Use a CIP Generic MSG to Enable SNMP. . . . . . . . . . . . . . . . . . . . . . . 59
Disable the Socket Object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Disable the Email Object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Appendix A
ControlLogix Network Device
Status Indicators
Status Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Single-Port Module Status Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . 63
Dual-Port Module Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Diagnostic Web Pages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Access the Diagnostic Web Pages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

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Rockwell Automation Allen-Bradley 1756-EN2T Specifications

General IconGeneral
BrandRockwell Automation
ModelAllen-Bradley 1756-EN2T
CategoryNetwork Hardware
LanguageEnglish

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