Section Modbus Port, Topics | Schneider Electric Processor Adapter

Using the Modbus Ports

Section 4.2

Modbus Port 2

Overview

Purpose

Five Momentum components offer this port:

λ171 CCS 780 00 Processor Adapter

λ171 CCC 780 10 Processor Adapter

λ171 CCC 980 20 Processor Adapter

λ171 CCC 980 30 Processor Adapter

λ172 JNN 210 32 Serial Option Adapter

This section describes the port and provides guidelines for Modbus RS485 networks.

In This Section	This section contains the following topics:

	Topics	Page

	Modbus Port 2	120

	Four-Wire Cabling Schemes for Modbus RS485 Networks	123

	Two-Wire Cabling Schemes for Modbus RS485 Networks	126

	Cable for Modbus RS485 Networks	129

	Connectors for Modbus RS485 Networks	132

	Terminating Devices for Modbus RS485 Networks	134

	Pinouts for Modbus RS485 Networks	135

870 USE 101 10 V.2

119

Image 119

Schneider Electric Processor Adapter manual Section Modbus Port, Topics

Contents

USE 101 Momentum Training November USE 101 10 Version Document Set Preface Installing and using this product Preface Contents Assembling Momentum Components Part Communication Ports 109 Using the Modbus Ports 111Overview of Momentum Option Adapters 181 Chapter Using the I/OBus Port 171Chapter 141 Chapter Mapping an I/OBus Network with Modsoft 247 Saving to Flash in Modsoft 303 Configuring a Modbus Plus Network in ModsoftPart Concept 307 Configuring an M1 CPU with Concept 309 257 Mapping an I/OBus Network with Concept 361 Saving to Flash 399 Saving to Flash with Concept 399Appendix B 417 Contents Xiv Version Change About This Book Documentation About BookRelated You may find the following other manuals useful This Part Getting StartedAt a Glance Purpose Getting Started This Chapter This chapter contains the following sections Overview of Momentum M1 Processor AdaptersTo local and distributed I/O This chapter describes the M1 Processor Adapters Common communication bus Characteristics of M1 Processor AdaptersSection Introducing the M1 Processor Adapters Overview Label Description Front Panel illustration Processor Overview of PortsIntroduction Ports Per OBus Port Flash RAM Memory and Performance CharacteristicsInternal Memory Program Memory Clock SpeedBelow Processor 984LL Flash RAM 984LL Executive IEC Executive Registers Discretes Input and OutputReferences Refer to 870 Use 002 00 V Momentum I/O Base User Guide Power SupplySupplied by Base Specifications for each Processor Adapter Section Features of Each Processor Adapter Overview Features, an illustration and specificationsCCS 700 Servicing Status FunctionInput and Output References Operating Conditions SpecificationsSafety Parameters Mechanical Overview LED Specifications CCS 760 IEC Input and Output References 984LL Input and Output References Temperature 40 ... +85 degrees C Humidity 95% noncondensing CCC 760 LED Specifications CCS 780 LED Specifications CCC 780 LED Specifications CCC 960 Features, a illustration and specifications RUN Indicato Status Pattern Specifications Scantime Formula for 984LL Exec Example CCC 960 30 will not operate in a Processor Adapter, including key Label Description Indicator Status Pattern Specifications Scantime Formula for 984LL Exec Example CCC 980 LED Specifications Scantime Formula for 984LL Exec Example Overview Label Description LED Specifications Scantime Formula for 984LL Exec Example This chapter contains the following sections Overview of Momentum Option AdaptersThis Chapter Section Introducing the Momentum Option Adapters Basic Features of Option Adapters This section includes the following topics Front panel components and specificationsSection Serial Option Adapter This Section Front Panel Components An LED indicatorBattery compartment Modbus Port 2 connector Green Pin For RS232 For RS485 Pinouts forModbus Port Time-of-Day Clock Specifications Specifications This section contains the following topics Section Modbus Plus Option Adapter Connector, and battery compartment Address switchesPin D-shell connector for Modbus Plus communications Pattern Meaning Address SwitchesSwitches in this illustration are set to address Modbus Plus Specifications Specifications Section Redundant Modbus Plus Option Adapter Compartment and Modbus Plus connectors Two 9-pin D-shell connectors for Modbus Plus communicationsThree LED indicators MB+ ACT Status of the Modbus Plus node MB+ ACT FlashPatterns Modbus Plus Specifications Option Adapters Option Adapters Assembling Momentum Components Section Assembling a CPU How to disassemble them Connections at three points Assembling a Processor Adapter and I/O Base Step ProcedureAssembling a Base Processor Adapter and an I/O Base Personnel Procedure Assembling a Processor Adapter and an BaseNext Step Step Action Disassembling a Processor Adapter from an I/O BaseProcessor Adapter from an I/O base Disassembling a Processor Adapter from an I/O Base Section Assembling a CPU with an Option Adapter Assembling a Processor Adapter and an Option Adapter PIN Alignment Assembling an Processor Option Adapter Next Step Two slots on the sides of the I/O base Mounting the Assembled Adapters on the I/O BaseAssembled Processor and Option Adapter on an I/O base Front of the I/O base Procedure Mounting the Assembled Adapters on an I/O Base Mounting the Assembled Adapters on the I/O Base Tools Required Disassembling a Module with an Option Adapter Exposed Circuitry in Battery Compartment Procedure Removing the Adapter Assembly from the I/O Base 103 Procedure Disassembling An Option Adapter and M1 Processor While handling the equipment during battery maintenance Section Installing Batteries in an Option AdapterInstallation Guidelines Time-of-day clock in the event that the CPU loses power For Concept BatteryRemoving Replacing Following illustration Batteries Monitor Fill-In Label Section Labeling the CPUGuidelines for Labeling the CPU Example of a a fill-in label is illustrated below Processor Adapters and Option Adapters Communication Ports Communication Ports 110 Accessories and pinouts Using the Modbus Ports Section Modbus Port Accessories, and provides pinouts Modbus Port Connector Type Stop Bit Modbus Address BaudParity Mode/Data Bits Auto-Logout DefaultFeature Parameters Length Part Number Cable Accessories for Modbus PortCables Electric Pinout Pinouts for Modbus Port 118 Topics RS485 Port Features of anTwo Types Port Comm Protocol RS232 protocol Modbus network address Four-Wire Cabling Schemes for Modbus RS485 Networks Label Description Part Number 125 Potential for Multimaster Conflicts Two-Wire Cabling Schemes for Modbus RS485 Networks Slave Cabling CableRequire the special master communication cable Multimaster Two-Wire Cabling Schemes for Modbus RS485 Networks Master Scheme. This cable is 10 long and has a blue bootCable for Modbus RS485 Networks Network for Momentum components Interconnect Boot Crimping Tool Other PremadeCustom Cable Vendors RS485 network for Momentum components Connectors for Modbus RS485 Networks Custom Cabling network Shunt Plugs Terminating Devices for Modbus RS485 NetworksTerminating Resistor Plugs Pin Function Pinouts for Modbus RS485 Networks For RS485. The metal shell is connected to chassis ground Pin D-Shell 137 Modbus RS485 Connector T Base DB9 Base Connector T Base RJ45 Base Resistor Plugs Terminating RJ45 Resistor Plugs Using the Ethernet Port Section Ethernet Port Ethernet Port Control Networks Must be Isolated from MIS Data Networks Network Design Considerations Handling NetworksSupervisory Combined Security As shown in the following table Cabling SchemesOn a central Ethernet hub Pin PinoutsComponents Assigning Ethernet Address Parameters 150 151 Specifying Addresses Stopping Processor Using Bootp Lite to Assign Address ParametersRefer to the Bootp Lite user documentation for instructions Follows Reading Ethernet Network StatisticsBy the user Statistics Description Words 16, 17 High Word Not used, always Framing ErrorsOverflow Errors CRC Errors Transmit Buffer ErrorsWords 26 157 Section Section Establishing a Connection with an Ethernet ModuleWhat’s in this Establishing a Connection with an Ethernet Module Using the Network Options Ethernet Tester 160 161 Section Accessing Embedded Web Pages Accessing the Web Utility Home Section CCC 960 30 and 171 CCC 980 30 Web Pages Link Results Momentum M1E Web Pages Its status. It has the following links Configuration M1E I/O Status Links and LED indicators Following links Transmit Statistics Receive Statistics Functioning ErrorsEthernet Technical Assistance Contacting Schneider Automation Table below Momentum M1E IndicatorsIndicators Adapter LED This chapter contains the following topics Using the I/OBus Port As many as 255 slave devices over an Interbus cable Bus Port How I/OBus Works Network Status Indication in the M1 Ethernet Module Between Nodes Number Guidelines for I/OBus NetworksDistance 176 Low Profile Cable Accessories 178 Pin Wire Color Ingoing Connection Pin Wire Color Using the I/OBus Port 180 172 PNN 210 Option Adapter Single Port PNN 260 Using the Modbus Plus PortsModbus Plus ports are available with Introduction Cluster Mode Nodes Modbus Plus Features for Momentum Two Types of Modbus Plus Networks 184 Between Nodes Standard Cabling Schemes Used MomentumNetwork Clusters in a Cluster Mode Cabling Schemes Minimum length of cable between clusters is 10 ft m Cluster Scheme Second cluster Clusters Cable Accessories for Modbus Plus NetworksCable Within 192 Modbus Plus Connector T XTS 020 DB9 base Plus network for Momentum components Pinouts and Wiring Illustrations for Modbus Plus Networks 195 DB9 Connector Modbus Plus Connector T DB9 BaseRJ45 Shielded Connector 197 Sequence Modbus Plus AddressesWill be passed from device to device Node Address X10 Setting X1 Setting Peer Cop Received Effect of UsingHow Peer Cop Data Is Sent Using the Modbus Plus Ports 202 For Information On To Flash using ModsoftModsoft Page Chapter contains the following topics Configuring an M1 CPU with Modsoft Modsoft Section Configuring the Processor Adapter Follow the steps below to select an M1 Processor Adapter Starting from the Configuration Overview editorSelecting an M1 Processor Adapter 208 Configuration Should Choose? Specifying an M1 Processor TypeWhich Type Push Enter 12.0K Adapter Parameters Default Configuration Parameters Adapter Parameters Defaults for an Parameter 4K Adapter 12.0K Adapter 18.0K Adapter Default Values Here are the default parameters Changing the Range of Discrete and Register References Step Action Changing the Size of Your Application Logic Space Fields in the Configuration Overview screenWords allocated the configuration extension memory Cases Changing the Number of SegmentsFor I/OBus For All Other Type the new number of segments Processors Changing the Size of the I/O MapYour Processor Adapter supports an I/OBus network All Other I/O Map How Much Establishing Configuration Extension MemoryConfiguration extension memory Pull-down list Clock features of the Momentum Option Adapters Section Configuring Option Adapter Features Reserving a Reserving and Monitoring a Battery CoilConfiguration Overview editor in Modsoft Battery Coil 225 Registers for TOD Clock Setting up the Time-of-Day ClockBlock of eight 4 x registers Reserving Reserving Registers for the TOD Clock Next Step Setting the time Option Setting the Time Bits Running while you are setting the bitsSetting Status Bits Clock Clock Example Describe how to interpret the time-of-day clock registersReading the Time-of-Day Clock Reading Parameters Section Modifying Communication Port Parameters Values shown for Port Accessing the Port Editor ScreenScreen is accessed from the Configuration Overview editor How To Get Head-Slot Parameters Which Should Not Be ChangedStop Bit Possible modes RTU or Ascii Changing the Mode and Data BitsIf the mode is RTU, the number of data bits is always If the mode is ASCII, the number of data bits is always Step Changing Parity Checking. The factory-set default is Even parity Changing the Baud Rate Modbus networks Default for both ports is addressChanging the Modbus Address Values Changing the DelayDelay Timing Valid Delay Protocol on Modbus Port Changing the Protocol on Modbus Port Local base unit Accessing and Editing the I/O MapSection Mapping the Local I/O Points Base are the local I/O for that processor Map Assign the appropriate state RAM references to the unit Editing the Local I/O Map Special Case Bus a Configuring an M1 CPU with Modsoft 246 Topics Mapping an I/OBus Network with Modsoft Screen SettingsParameter Setting Supporting an I/O Map for an I/OBus Network 249 Accessing an I/O Map Screen for an I/OBus Network Next Step Editing the I/OBus I/O Map Processor Adapter Max. Modules Max. I/O Bits Editing the I/OBus I/O Map Move the cursor onto the desired model number and push Enter 254 Identifier Code Type CodesIts I/O type but not its specific model or name Screens to define the parameters for these InterBus modules Pages Generic InterBus Module IdentifierCodes For This Topic Configuring a Modbus Plus Network in Modsoft with Peer Cop Section Getting Started Describes the default screen Accessing the Peer Cop Configuration Extension Screen Reserve Description Default Peer Cop Screen Networks Section Using Modbus Plus to Handle I/O Strategy Devices on the NetworkStrategy used to assign addresses Momentum module on the network Link and access a node Defining the Link and Accessing a Node Popup menu Step Action Push Enter Next Step Confirming the Peer Cop summary information Confirming the Peer Cop Summary Information TimeoutOn Error 269 270 Next Step Specifying references for input data Is required to handle this module Specifying References for Input DataDevice Requirements 273 274 Next Step Accessing the remaining devices Address 3, using the AddNode command Accessing the Remaining Devices 277 Completed Completing the I/O Device Configuration in Peer CopRegister Assignments Completed Peer Cop screen for node 4 should look like this Screen Node CompletedCompleted Peer Cop screen for node 3 should look like this Completed Peer Cop screen for node 5 should look like this Section Passing Supervisory Data over Modbus Plus MB+ Address Supervising device Configuring a Node to Exchange Data 284 285 As an increment of 20 ms For our example, we will use the default setting Supervisor Specifying References for Input and Output DataAddress 2. This device will Modbus Plus address Defining the Specific Output Specify the global input references DefiningGlobal Inputs Defining the Global Inputs Next Step Defining the references for the next node Outputs Defining the References for the Next NodeLink and Node Defining Specific Defining Specific Outputs 294 Inputs Defining Global Next Step Defining references for the supervisory computer Will be received by both of the M1 CPUs Defining References for the Supervisory ComputerHandle the M1 CPUs at addresses 2 Specific inputs 298 Specifying References for Node 300 Accesses node 3 and defines the references for that node References for that CPU Completing the ConfigurationNode A Node setting Specifying This Chapter This chapter contains the following topics Flash using ModsoftSaving to Flash in Modsoft Application logic and state RAM values will be preserved Preparing to Save to Flash Saving to Flash Saving to Flash Save-to-Flash Procedure Concept To Flash using ConceptPage This chapter explains how to configure a CPU using Concept Configuring an M1 CPU with Concept Concept PLC Using Concept 312 313 Step Action Choose your PLC type from the CPU/Executive menu Defaults for a 2.4K Machine Defaults for a 12.2K Machine Parameter 4K Machine 12.2K Machine 18.4K Machine Defaults for an 18.4K Machine Maximum of state memory displayed at the top of the dialog 319 Cop Configuration screenChanging the Size of the Full Logic Area Solved Understanding the Number of SegmentsOnly the First Segment is Devices on the network bus AreaProcessors for OBus Networks From the Configure menu, select I/O Map Establishing Configuration Extension Memory for Peer Cop Adjust the amount of Configuration Extension memory Result The Peer Cop dialog box appears Step Action From the Configure menu, select Peer Cop Clock features of the Momentum Option Adapters using Concept Dialog box in Concept Service releaseReserve a battery coil Step Action Click the check box next to Battery Coil Reserving a Battery Coil Monitoring Battery Coil When the battery is low Setting up the Time-of-Day Clock 332 333 Time bits. The CPU must be running Registers Section Modifying Modbus Port Parameters Default parameters Default Settings Accessing the Modbus Port Settings Dialog BoxHow to Get There Changing the Baud Rate One of two possible modes RTU or Ascii Changing Mode and Data Bits Stop Bit Should Not Be Changed Changing Parity Parity checking. The factory-set default is Even parity Ms increments Follow the steps in the table below to change the delay Step Address Set the Stop Bit at Bridge mode is not supportedTo change the Modbus Address To change the Protocol on Modbus Port Overview Ethernet / I/O Scanner dialog box in Concept Accessing the Ethernet / I/O Scanner Screen 346 Specify IP Ethernet Configuration OptionsUse Bootp Gateway Setting Ethernet Address ParametersIP Address 349 Parameters for I/O scanning Configuring I/O On the down arrow and selecting it, as shown Unit ID Health Timeout Rep Rate First address to write to ReadFirst address to read to Write Description column Copy, Cut, Paste, Delete, Sort and Fill Down buttons Completing the I/O Configuration Sort Cut and PasteDelete Down button, following the steps in the table below Fill Down Result The I/O Map dialog box appears Map Screen From the Configure menu Module Selection Map Local I/O Map Editing the Local Map Configuring an M1 CPU with Concept 360 Mapping an I/OBus Network with Concept Segments Reserved Words From the Configure menu, select I/OMap Result The Remote I/O Bus Drop dialog appears Processor Adapter Executive Max. Modules Max. I/O Bits Network depends on your Processor Adapter and its executivePerform the steps in the following table 366 367 Mapping an I/OBus Network with Concept 368 Configuring a Modbus Plus Network in Concept with Peer Cop Configuring a Modbus Plus Network in Concept with Peer Cop Accessing the Peer Cop Dialog Box Accessing the Screen Memory Size Words Adjusting the Amount of Extension Memory Other Default Settings in the Peer Cop Dialog Box Option Effect Modbus Plus communications have been restoredLast Value Section Using Modbus Plus to Handle I/O Devices on the Network Changing the Peer Cop Summary Information Default Last Value setting to Hold on timeout 379 Required to handle this module ADI 340 00 16-point input module 381 382 Next Step Specifying output references Specific output reference with a length of one word 16 bits Specifying References for Output Data170 AD0 340 00 16-point output module 385 Specifying References for Output Data Section Passing Supervisory Data over Modbus Plus Devices on the Network Peer Cop dialog box Ms and Last Value Clear on timeoutAddress 2 to Outputs broadcast by the supervisory controller 390 Input reference 392 Defining the References for the Next Node 394 Supervisory PLC at Modbus Plus address Specific Inputs Defining References for the Supervisory PLCPeer Cop screens to handle the M1 CPUs at addresses 2 Received by each of the M1 CPUs Global Outputs USE 101 10 Saving to Flash with Concept Saving to Flash with Concept Result The Online Control Panel appears Saving to Flash For Information On See Appendix AppendicesPage This appendix contains the following topics Ladder Logic Elements InstructionsThis Appendix Ladder Logic SymbolsSymbol Meaning Nodes Consumed Standard Ladder Logic Elements Integer Math Instructions Symbol MeaningCounter and Timer Instructions Logic Instructions Ladder Logic Subroutine Instructions Symbol Meaning Nodes Consumed DX Matrix InstructionsStandard Ladder Logic Instructions Other Special Purpose Instructions Standard Ladder Logic DX Loadable Support Specify Length Diagram of StatSpecial Stat Instruction Avoid Discretes Bottom Node ContentTop Node Word Description Word 415 128 This Word Indicates the Status of These I/O Modules 112 Number of Blinks Code hex Error Run LED Flash Patterns and Error Codes Run LED Flash Pattern and Error 419 Run LED Flash Patterns and Error Codes 420 Index Numerics Address strategy, 264, 282, 377, 388 two types, 257 423 Index 424 North Andover, MA Seligenstadt