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61

EtherNet/IP Task

E

THER

N

ET

/IP E

XPLICIT

M

ESSAGING

5.1 Required Message Instructions

Only two instructions are required to transfer data between the PLC and the NX2A4E2. One instruction reads
data from the unit and the other writes data to it. The sample programs available from AMCI use this style of
programming. The two instructions are alternately triggered using the instruction’s ENABLE bits. The
remainder of the program controls when data in the source tags of the write instruction changes. The follow-
ing table gives the required attributes for the instructions.

Table T5.1 Message Instruction Attributes

Only RSLogix 500 version 8.0 or above can be used to configure Message Instructions to
communicate with an EtherNet/IP device. Message Instructions do not work correctly in ver-
sion 10 of RSLogix 500.

5.2 Create Four New Data Files.



An Integer file to contain the data read from the NX2A4E2. This file must be at least 21 words in
length.



An Integer file to contain the data written to the NX2A4E2. This file must be at least 10 words in
length.



A Message (MG) data file. This file must have at least two elements, one to control the Read
Operation and one to control the Write Operation.



An Extended Routing Information (RIX) data file. This file is used to store information used by
the Message Instructions. This file must have at least two elements, one for the Read Operation
and one for the Write Operation.

All controllers that support EtherNet/IP support explicit messaging. When using
explicit messaging, Message Instructions must be added to your program to com-
municate with the NX2A4E2. Explicit messaging can be use on platforms that also
support implicit messaging.

Rockwell Automation controllers which are programmed with the RSLogix 500
software only support explicit messaging. A MicroLogix 1100 will be used as an
example in this chapter.

Read Instruction

Write Instruction

Service Type

Read Assembly

Write Assembly

Service Code

E (hex)

10 (hex)

Class

4 (hex)

4 (hex)

Instance

100 (decimal)

150 (decimal)

Attribute

3 (hex)

3 (hex)

Length

42 bytes

20 bytes

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Содержание NEXUS NX2A4E2

Страница 1: ...MICRO CONTROLS INC ADVANCED U s e r M anual Manual 940 0N090 E2 Technology...

Страница 2: ...ls and workmanship for a period of 18 months Within this warranty period AMCI shall at its option repair or replace free of charge any equipment covered by this warranty which is returned shipping cha...

Страница 3: ...Blocks 24 Multi word Data Format 24 Single Resolver Data Format 25 Dual Resolver Data Format 26 Reference Configuring Network Interfaces Firewall Settings 29 Disable All Unused Network Interfaces 29 C...

Страница 4: ...60 Configure the NX2A4E2 60 Task EtherNet IP Explicit Messaging Required Message Instructions 61 Create Four New Data Files 61 Add the Message Instructions to your Ladder Logic 62 Troubleshooting 65 T...

Страница 5: ...ory 940 0N090 Initial Release Navigating this Manual This manual is designed to be used in both printed and on line formats Its on line form is a PDF document which requires Adobe Acrobat Reader versi...

Страница 6: ...site Chapter Title Page Intended Audience NX2A4E2 Introduc tion 7 Anyone new to the NX2A4E2 This chapter gives a basic overview of the features available on the unit typical applications and spec ific...

Страница 7: ...resolver transducers are typically single turn devices but can have a gear train between the input shaft and the internal resolver Dual resolver transducers are designed for high resolution multi turn...

Страница 8: ...transducers Dual Resolver Transducers This type of transducer has two resolvers in the transducer package that are geared in such a way that the trans ducer yields a high resolution absolute position...

Страница 9: ...econds in the next thirty four the input transition is considered noise and the brake cycle is aborted The next transition on the Brake Input starts another brake cycle If the Brake Trigger Input is n...

Страница 10: ...nd gives you programmable control over whether or not transducer faults are self clearing or latched Self clearing faults clear themselves as soon as the resolver signals return to valid values Latche...

Страница 11: ...arameter defines the type of dual resolver transducer attached to the NX2A4E2 This parameter has five values 100 180 1 000 1 800 and 128 The 100 180 1 000 and 1 800 values program the module to inter...

Страница 12: ...ption Figure R1 3 shows the front panel layout of the NX2A4E2 Resolver Interface Note that the unit ships with four Phoenix Contact connectors that are not shown for clarity The RS485 channel which is...

Страница 13: ...l This state can be disabled if the channel is not used Solid Green The channel is not in fault and is reporting position data This state can be disabled if the channel is not used LED State EtherNet...

Страница 14: ...ee Stop Time Monitoring found on page 9 for a complete description of how the brake input is used LED State EtherNet IP Definition Modbus TCP Definition PROFINET Definition Off No Power No power or no...

Страница 15: ...me Programmable to 24 or 120 milliseconds Stop Time Monitor On board timer measures the time between the on to off transition of a digital input and the cessa tion of movement on transducer channel on...

Страница 16: ...NX2A4E2 INTRODUCTION NX2A4E2 User Manual ADVANCED MICRO CONTROLS INC 16 Notes...

Страница 17: ...gle resolver channel then channels 3 and 4 both become single resolver channels and the programming for channel 4 is also applied to channel 3 Input data is broken down into four word blocks for singl...

Страница 18: ...ule uses words 1 through 9 to program channel 1 Note that only one channel can be programmed at a time If this bit is a 1 then bits 7 6 and 5 of this word must be 0 Bit 03 Apply_Preset4 When set to 1...

Страница 19: ...the channel s front panel status LED The channel itself remains active and transmits fault information to the host controller When this bit is a 0 the LED is disabled When this bit is set to 1 the LE...

Страница 20: ...4E2 to interface with two dual resolver transducers two programming blocks are needed Figure R2 4 Single Resolver Output Data Format Multi word Data Format The Full Scale Count Linear Offset and Prese...

Страница 21: ...0 Bit 02 Apply_Preset2 When set to 1 the module sets the multi turn position for the second dual resolver channel to the value of the MCH2 Preset Value parameter The MCH2 Preset Value has a factory d...

Страница 22: ...t to 0 the tachometer response time is set to 120 milli seconds When set to 1 the tachometer response time is set to 24 milliseconds Bit 01 XFltLatch When set to 0 the transducer fault latch is disabl...

Страница 23: ...value of 36 in word 2 and a value of 0 in word 3 Linear Offset Words 4 5 This parameter changes the range of counts available over the programmed number of turns The reported position value equals th...

Страница 24: ...n the Data Block is for single resolver transducer and the right block is for when the Data Block is for one dual resolver transducer Words 16 and 17 will only contain data if the NX2A4E2 has a single...

Страница 25: ...the chan nel s front panel status LED is blinking green the fault can be cleared by issuing a programming block with the Reset_Error bit set to 1 If the status LED is blinking red then there is an err...

Страница 26: ...ord Format Bit 15 Acknowledge Used to control the flow of programming data to the NX2A4E2 The NX2A4E2 sets this bit in response to the Transmit bit being set by the host Programming error bits in the...

Страница 27: ...er outside its valid range of Linear Offset to Linear Offset Full Scale Count 1 Bit 04 LinearOffset_Err Set to 1 when you attempt to program the channel s Linear Offset parameter outside its valid ran...

Страница 28: ...DATA FORMATS NX2A4E2 User Manual ADVANCED MICRO CONTROLS INC 28 Notes...

Страница 29: ...ften go out the wrong port The easiest way to avoid this problem is to temporarily disable all network interfaces that are not attached to the NX2A4E2 This includes all wireless interfaces as well as...

Страница 30: ...s window Double click on the appropri ate interface In the window that opens select Internet Protocol Version 4 TCP IP v4 from the list and then click on the Properties button Set the address and subn...

Страница 31: ...ounded before the unit is mounted on it 1 1 3 Remove Power Before Servicing Remove power before removing or installing the NX2A4E2 module 1 2 General Wiring Guidelines When wiring any control system t...

Страница 32: ...be installed When mounting an NX2A4E2 on DIN Rail the included plastic DIN rail brackets will electrically isolate the unit A grounding wire must be run from the grounding pin on the power connector t...

Страница 33: ...ector to the system ground bus must be installed Refer to 1 4 Power Wiring on page 35 for additional information You will need to ground the resolver cable shields at the unit There is a shield pin on...

Страница 34: ...e resolver cable shields at the unit There is a shield pin on each trans ducer input connector but you have the option to ground them on the DIN rail as well 1 Remove a panel bracket two 8 screws and...

Страница 35: ...et switch connects the two In non redundant applications either port can be used to attach the module to the network The remaining port can be used to extend the network to another device if this woul...

Страница 36: ...is a number commonly used in the industry By specifying the maximum load and statical life AMCI gives you data you need to choose the right transducer for your application Note that these load ratings...

Страница 37: ...ish to use a different cable contact AMCI to verify your cable type 1 8 Transducer Connector Pinout The transducer input connectors labeled RESOLVER 1 2 and RESOLVER 3 4 have eight contacts The mating...

Страница 38: ...on the power connector This grounding pin must be attached to the system ground bus for proper operation The use of a 12 AWG stranded wire for the earth ground connection is strongly recommended See...

Страница 39: ...the stator pairs AMCI standard method is to reverse the S2 S4 pair which is the green black pair of the CTL cables 2 When using a foreign single resolver transducer note how the signals are paired in...

Страница 40: ...oreign dual resolver transducer to an NX2A4E2 module for the first time This is because the resolvers must appear to be rotating in the same direction before the NX2A4E2 can decode the multi turn posi...

Страница 41: ...do not connect them to earth ground at any other point This is the proper method to wire all transducers attached to the NX2A4E2 If the shields of the transducer cable are connected to the body of the...

Страница 42: ...c without the need for an external current limiting resistor Figure T1 12 below shows how to wire discrete DC sourcing and sinking sensors to input 1 of the NX2A4E2 Figure T1 12 Input Wiring 1 10 1 Ca...

Страница 43: ...ess is with the ping command as described in Configuring Network Interfaces which starts on page 29 If the unit does not respond to this address then it may take some effort to determine the correct a...

Страница 44: ...for EtherNet IP It is not a suggested method for setting the IP address on a NX2A4E2 If your system requires you to use DHCP contact AMCI Tech Support for assistance When the eight DP switches are se...

Страница 45: ...rfaces on your computer must be on the same subnet before you can communicate with an NX2A4E2 Refer to Configuring Network Interfaces which starts on page 29 if needed 2 2c 1 Disconnect the NX2A4E2 fr...

Страница 46: ...ubnet Mask and Default Gateway fields The Default Gateway setting is not optional It must be set to a valid address on the chosen subnet Because the Default Gateway is often not used in device level n...

Страница 47: ...power the NX2A4E2 PREREQUISITE Task 1 5 Network Connections found on page 35 You must attach your NX2A4E2 to your computer PREREQUISITE Reference 3 Configuring Network Interfaces found on page 29 The...

Страница 48: ...rogram the NX2A4E2 the AMCI Net Configurator utility must act as a bus master Therefore physically disconnect your host controller from the NX2A4E2 before starting the Net Configurator utility 2 2d 4...

Страница 49: ...Manual Connect button and enter the IP address of the NX2A4E2 Figure T2 6 Scan for NX2A4E2 If scanning for the NX2A4E2 click on the IP Address of the module and click on the Connect button The Net Co...

Страница 50: ...lue for it AMCI suggests setting the Default Gateway to the IP address of your host controller 2 2d 9 Set the Communications Protocol The factory default protocol for the NX2A4E2 is EtherNet IP In ord...

Страница 51: ...i com 51 PROTOCOL SPECIFIC INFORMATION Manual Sections The remainder of this manual is divided into three sections one for each supported protocol Each section has the protocol name in the page header...

Страница 52: ...PROTOCOL SPECIFIC INFORMATION NX2A4E2 User Manual ADVANCED MICRO CONTROLS INC 52 Notes...

Страница 53: ...re Installation Tool 1 Once Studio 5000 is running in the menu bar select Tools EDS Hardware Installation Tool This will open the EDS Wizard Figure T3 1 Opening the EDS Wizard 2 Click on Next to advan...

Страница 54: ...gure T3 2 EDS Options Screen 2 The registration screen will open Select the Register a single file radio button Figure T3 3 EDS Registration Screen 3 Click on the Browse button and browse to the folde...

Страница 55: ...on the Next button to advance to the Change Graphic Image screen This screen gives you the ability to change the icon associated with the device Figure T3 5 Change ECS Icon Screen 6 Click on the Chan...

Страница 56: ...INSTALLING AN EDS FILE EtherNet IP Protocol ADVANCED MICRO CONTROLS INC 56 Notes...

Страница 57: ...it to the I O Configuration tree before adding the driver to your project Refer to your Rockwell Automation documentation if you need instructions for configuring the ethernet port 4 2 Add the NX2A4E2...

Страница 58: ...to the filter as shown in figure T4 2 This will limit the results in the Catalog Number list 4 Select the Catalog Number AMCI NX2A4E2 in the list 5 Click on the Create button to create the module Figu...

Страница 59: ...changes You will see a warning message stating that the values will be changed to their default click Yes to clear the message and proceed Figure T4 4 NX2A4E2 Module Definition Screen The NX2A4E2 will...

Страница 60: ...change the data size right click on the NX2A4E2 in the I O tree and select Properties in the pop up menu Then follow the instructions in section 4 2 above starting with step 6 on page 58 4 4 Buffer t...

Страница 61: ...data read from the NX2A4E2 This file must be at least 21 words in length An Integer file to contain the data written to the NX2A4E2 This file must be at least 10 words in length A Message MG data file...

Страница 62: ...nd press Enter 3 Double click in the Communication Command field click on the select CIP Generic and press Enter 4 If the Message Instruction is being used to read data from the NX2A4E2 enter the inte...

Страница 63: ...r 9 For Read operations the Service Code field will change to E hex For Write operations the Ser vice Code field will change to 10 hex For both read and write operations the Class field will change to...

Страница 64: ...A4E2 Please note that the Data Table Address Send field may be different in your application Figure T5 4 Write Message Instruction Setup Screen Click on the MultiHop tab on the top of the window As sh...

Страница 65: ...s 1 Double click on Channel Configuration in the Project Tree and then select the Channel 1 tab The fol lowing window will open Figure R3 2 MicroLogix Ethernet Configuration Screen 2 Enter the IP addr...

Страница 66: ...ETHERNET IP EXPLICIT MESSAGING EtherNet IP Protocol ADVANCED MICRO CONTROLS INC 66 Notes...

Страница 67: ...ins Discrete Inputs 48 through 63 The Coil and Holding Register tables in the Modbus data model map to the same physical memory locations in the NX2A4E2 units These registers hold data that is from th...

Страница 68: ...e register contain no meaningful data The NX2A4E2 uses dual port memory and does not switch banks until the last register is read from or written to If you do not read from or write to all of the regi...

Страница 69: ...Exceptions Table T5 3 Supported Modbus Exceptions Function Code Function Name SD4840E2 Register Addressing method 1 Read Coils OUTPUT Bit Addresses starting at 16 384 2 Read Discrete Inputs INPUT Bit...

Страница 70: ...MODBUS TCP CONFIGURATION Modbus TCP Protocol ADVANCED MICRO CONTROLS INC 70 Notes...

Страница 71: ...DML File Installation 1 Open or create a new project that will include the NX2A4E2 and open the Project View of the project 2 In the menu select Options Manage general station description files GSD 3...

Страница 72: ...dware Catalog vertical tab to open the Hardware Catalog 3 You can search for NX2 or browse to the NX2A4E2 icon by clicking through Other field devices PROFINET IO IO Advanced Micro Controls Inc AMCI_P...

Страница 73: ...ick on the NX2A4E2 icon and select Properties from the pop up menu The Inspector window will open at the bottom of the screen Under the General tab select the General heading You can rename the NX2A4E...

Страница 74: ...view in the Hardware Catalog will change Expand the Module tree to show both the Input and Output modules 2 To map the I O bytes to the CPU double click on the 42 bytes IN and 20 bytes OUT icons in t...

Страница 75: ...appropriate domain Use the Media redundancy role drop down menu to select Client 3 Continuing in the Inspector window select Advanced options Port 1 Port interconnection Under Partner port the partne...

Страница 76: ...LEADERS IN ADVANCED CONTROL PRODUCTS ADVANCED MICRO CONTROLS INC...

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