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MicroLogix™
Ethernet Interface
(ENI)
(Cat. No. 1761-NET-ENI)
User Manual
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Because of the variety of uses for the products described in this Important User Information publication, those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements, including any applicable laws, regulations, codes and standards. The illustrations, charts, sample programs and layout examples shown in this guide are intended sol
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Table of Contents Preface Who Should Use this Manual. . . . . . . . . . . . . . . . . . . . . . . P-1 Purpose of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1 Common Techniques Used in this Manual . . . . . . . . . . . . . P-2 Rockwell Automation Support . . . . . . . . . . . . . . . . . . . . . . P-3 Chapter 1 Product Overview Ethernet Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Non-Ethernet Devices . . . . . . . . . . . . . . . . . . .
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Table of Contents ii Chapter 6 E-Mail Messages (Node 50 to 99) Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Configuring E-Mail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Sending an E-Mail Message . . . . . . . . . . . . . . . . . . . . . . . . 6-5 Chapter 7 Connecting 1769-L20 System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Preface Read this preface to familiarize yourself with the rest of the manual. It provides information concerning: • who should use this manual • the purpose of this manual • related documentation • conventions used in this manual • Rockwell Automation support Use this manual if you are responsible for designing, installing, Who Should Use this programming, or troubleshooting control systems that use Manual Allen-Bradley Controllers on Ethernet. You should have a basic understanding of Allen
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Preface P-2 Related Documentation The following documents contain additional information concerning Rockwell Automation products. To obtain a copy, contact your local Rockwell Automation office or distributor. For Read this Document Document Number Instructions on installing a 1761-NET-ENI Interface Converter. Ethernet Interface Installation 1761-IN006A-MU-P Instructions Information on DF1 open protocol. DF1 Protocol and Command Set 1770-6.5.16 Reference Manual In-depth information on g
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Preface P-3 Rockwell Automation offers support services worldwide, with over 75 Rockwell Automation Sales/Support Offices, 512 authorized Distributors and 260 authorized Support Systems Integrators located throughout the United States alone, plus Rockwell Automation representatives in every major country in the world. Local Product Support Contact your local Rockwell Automation representative for: • sales and order support • product technical training • warranty support • support ser
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Preface P-4 Publication 1761-UM006A-EN-P - January 2001
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Chapter 1 Product Overview This chapter gives an overview of the Ethernet Network Interface. The following topics are covered: • Ethernet Connection • Non-Ethernet Devices • Hardware Features • Operating Modes • Device Compatibility • Ethernet Networks The 1761-NET-ENI provides Ethernet/IP connectivity for all Ethernet Connection MicroLogix controllers and other DF1 full-duplex devices. The Ethernet Network Interface (ENI) allows you to easily connect a MicroLogix onto new or existing Ethern
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CHS GND DC NEUT 24VDC 1-2 Product Overview The ENI also supports an SMTP mail service that allows an existing controller to send e-mail messages to any destination connected to the network. The e-mail can be used to initiate the transmission of data or status information. Product Drawing Hardware Features RS-232 ENI Mini-DIN Port Ethernet Port ETHERNET INTERFACE MODULE CAT SER FRN 1761-NET-ENI A 1.01 Ethernet Hardware WIN (21)1P6AA0BB Mfg. 1200 Fac. 1P Address OPERATING LISTED IND.
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Product Overview 1-3 Default Settings The ENI’s RS-232 port has the following default settings: Table 1.1 RS-232 Settings Setting Default Other Options Baud Rate Autobaud see table 4.7 Handshaking (hardware, software) none none Data Bits 8 none Stop Bits 1 none Parity none none Table 1.2 DF1 Settings Setting Default Other Options Duplicate Message Detection Enable none Error Detection CRC, BCC Auto-detect when Autobaud is true, otherwise CRC Embedded Response Operation Auto-Detect, for
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1-4 Product Overview Messaging Operating Modes When the ENI is connected to a programmable controller (and connected to an Ethernet network), the controller can be accessed from other devices on Ethernet, or initiate communications to other Ethernet/IP devices. E-Mail The ENI also supports SMTP mail service, that allows a controller to send e-mail messages to any e-mail address on the network. The e-mail can be used to initiate the transmission of data or status information. The ENI
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Product Overview 1-5 Basic Ethernet Topology Ethernet Networks The ENI Ethernet connector conforms to ISO/IEC 8802-3 STD 802.3 and utilizes 10Base-T media. Connections are made directly from the ENI to an Ethernet switch. The network setup is simple and cost effective. Typical network topology is pictured below. RJ45 connectors Ethernet on both ends of Switch cable (10Base-T) to PC Ethernet Card or to ENI other Ethernet Device The ENI provides a 10Base-T, RJ45 Ethernet IMPORTANT co
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1-6 Product Overview Publication 1761-UM006A-EN-P - February 2001
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Chapter 2 Installation and Wiring This chapter covers installation and wiring for the ENI. It is divided into the following sections: • European Communities (EC) Directive Compliance • Safety Considerations • Mounting • External Power Supply Wiring • ENI Port Identification • Ethernet Connections • RS-232 Port Connections This product has the CE mark. It is approved for installation within the European Communities (EC) European Union and EEA regions. It has been designed and tested to Direct
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2-2 Installation and Wiring Tests. For specific information required by EN 61131-2, see the appropriate sections in this publication, as well as the Allen-Bradley publication Industrial Automation Wiring and Grounding Guidelines For Noise Immunity, publication 1770-4.1. Open style devices must be provided with environmental and safety protection by proper mounting in enclosures designed for specific application conditions. See NEMA Standards publication 250 and IEC publication 529,
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Installation and Wiring 2-3 Mounting The 1761-NET-ENI must be mounted in the vertical position, as shown. Horizontal mounting is not recommended due to thermal considerations. Allow 50 mm (2 in.) of space on all sides for adequate ventilation. See page A-1 for operating temperature specification. protective debris strip top ETHERNET RS232 FAULT NET TX/RX TX/RX IP side side PWR CABLE EXTERNAL bottom Do not remove the protective debris strip until after ATTENTION all the equipment in th
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2-4 Installation and Wiring Removal 1. Place a screwdriver in the DIN rail latch at the bottom of the DIN unit. Side Rail View 2. Holding the unit, pry downward on the latch until the unit is released from the DIN rail. Panel Mounting Template See Appendix A for panel mounting template. Installation Be careful of metal chips when drilling mounting ATTENTION holes for your equipment within the enclosure or panel. Drilled fragments that fall into the equipment could cause damage. Do
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Installation and Wiring 2-5 ENI Port Identification ETHERNET RS232 FAULT NET TX/RX RS-232 Mini-DIN (ENI Port 2) TX/RX Ethernet Port (ENI Port 1) IP Write-on area for PWR Ethernet IP address CABLE EXTERNAL External Power Supply Wiring EXPLOSION HAZARD - In Class I Division 2 WARNING applications, an external, Class 2 power supply must be used. The DC Power Source selector switch on the ENI must be set to EXTERNAL before connecting the power supply to the ENI. ! • In non-hazardous loc
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2-6 Installation and Wiring Ethernet 8-Pin 10Base-T Connector (Port 1) Ethernet Connections The Ethernet connector is an RJ45, 10Base-T connector. The pin-out for the connector is shown below: Pin Pin Name 1Tx+ 2Tx- 3Rx+ 4 not used by 10Base-T 5 not used by 10Base-T 6Rx- 7 not used by 10Base-T 8 not used by 10Base-T When to use straight-through and cross-over cable: • ENI Ethernet port to 10Base-T Ethernet switch cables utilize a straight-through pin-out (1-1, 2-2, 3-3, 6-6). • Direct
