Niobrara MEB II Instrucciones de montaje

MEB II Manual

MEB II

Installation and Programming Manual

This manual covers the MEB II Modbus Plus to Ethernet Bridge.

Effective: January 10 2013

Niobrara Research & Development Corporation

P.O. Box 3418 Joplin MO 64803 USA

Telephone: (800) 235-6723 or (417) 624-8918

Facsimile: (417) 624-8920

http://www.niobrara.com

Modicon Square D SY/MAX Compact Quantum M340 Momentum Premium are

trademarks of Schneider-Electric.

Subject to change without notice.

Contents

1 Introduction.................................................................................................9

2 Installation.................................................................................................11

Device Mounting/Removal...................................................................11

Power Supply........................................................................................12

Ethernet.................................................................................................13

Setting the IP Address.......................................................................13

Setting the Subnet Mask...................................................................14

Setting the Default Gate...................................................................14

Ethernet Connection.........................................................................14

Modbus Plus..........................................................................................17

Modbus Plus Configuration..............................................................17

Modbus Plus Connection..................................................................18

Modbus Plus Lights..........................................................................20

Serial Ports............................................................................................21

RS-232 Ports.....................................................................................21

RS-485 Ports.....................................................................................23

Software Installation.............................................................................25

Updating the MEBII Firmware.............................................................26

Updating Firmware through the Web server....................................26

Updating Firmware using RPCLOAD.............................................27

3 Modbus/TCP Operation.............................................................................29

Server Operation...................................................................................29

Default Modbus Routing Table........................................................31

AutoFix Modbus Table.....................................................................32

Front Panel Modbus Route Edit.......................................................33

Client Operation....................................................................................34

AutoFill TCP Table...........................................................................37

Front Panel Edit of TCP Table..........................................................38

4 Modbus Serial Operation..........................................................................39

Slave Operation (External Master)........................................................39

Default Modbus Routing Tables.......................................................41

AutoFix Modbus Table.....................................................................42

Master Operation (External Slave)........................................................42

AutoFill TCP Table...........................................................................45

5 Legacy SY/MAX Operation......................................................................47

Translations...........................................................................................47

iii

Modbus to SY/MAX Translations....................................................47

SY/MAX to Modbus Translations....................................................48

Error Translations.............................................................................48

SY/MAX Serial.....................................................................................49

NET-TO-NET Mode.........................................................................51

SY/MAX Ethernet.................................................................................54

SY/MAX Routing.............................................................................54

PowerLogic Serial Modes.....................................................................58

6 Hot MB+ Operation..................................................................................60

Automatic Redundant Operation...........................................................60

Requirements and Restrictions.........................................................60

“Primary” Unit Configuration Procedure.........................................61

“Secondary” Unit Configuration Procedure.....................................62

Example............................................................................................63

Reasons for Automatic Switchover.......................................................64

Hot MB+ Statistics and Information Registers.....................................64

Serial Number...................................................................................66

MB+ Global Data.............................................................................66

Controlled Switchover......................................................................66

7 Front Panel Operation...............................................................................67

Keypad Buttons.....................................................................................67

LCD Screen...........................................................................................67

Backlight...........................................................................................67

Operating Screens.................................................................................67

Splash Screen....................................................................................67

Main Menu Screen...........................................................................68

Configuration Menu..............................................................................68

Comms Menu Screen.......................................................................69

Ethernet Configuration Menu...........................................................69

IP Addr Screen..................................................................................70

Subnet Mask Screen.........................................................................70

Default Gate Screen.........................................................................71

IP Source Screen...............................................................................71

Ethernet Protocol Screen..................................................................72

Ethernet Drop Screen......................................................................72

Modbus Route Screen.......................................................................73

IP Route Screen................................................................................74

Ethernet Mode Screen......................................................................75

Serial Port Menu...............................................................................76

Port 1 Menu......................................................................................76

Modbus Plus Edit Screen..................................................................77

Display Edit Screen..........................................................................78

Status Menu Screens.............................................................................78

Stats Screen......................................................................................78

iv Contents

Enet Status Screen............................................................................79

MB+ Status Screen...........................................................................79

App Menu.............................................................................................80

Switch Screen...................................................................................80

Info Menu..............................................................................................81

MAC Address Screen.......................................................................81

Serial Number Screen.......................................................................82

Versions Screen................................................................................82

MB+ Drops Screen...........................................................................82

Enet Drops Screen............................................................................83

System Menu.........................................................................................84

Reboot Screen...................................................................................84

Factory Defaults Screen...................................................................84

Password Screen...............................................................................85

8 Recommended Cables...............................................................................87

RS-232 Cables.......................................................................................87

MM1 (PC to MEBII)........................................................................87

MM2 (Modicon PLC to MEBII)......................................................87

MM3 (MEBII to emulate a 9-pin PC port).......................................88

RS-485 Cables.......................................................................................89

MU7 (MEBII to SY/MAX)..............................................................89

MEBII Master to 4-wire RS-485 Slaves..........................................89

MEBII to 2-wire RS-485..................................................................90

9 Web Server................................................................................................93

Home ....................................................................................................95

Configuration........................................................................................95

Ethernet.............................................................................................95

IP Settings.........................................................................................96

Ethernet Port Parameters..................................................................97

Modbus Routing for Ethernet Port...................................................98

TCP Routing Table...........................................................................99

I/O Scanner.....................................................................................100

Serial Ports..........................................................................................101

Port Parameters...............................................................................101

Serial Port Modbus Routing Table.................................................102

Serial Port Auto Scan......................................................................103

Modbus Plus Port Parameters.........................................................104

Modbus Plus Global Data...............................................................105

Statistics..............................................................................................107

Ethernet Router Stats......................................................................107

SY/MAX 802.3 Ethernet Nodes.....................................................108

Serial Port ......................................................................................109

Port 2 Hot Modbus Statistics..........................................................110

Contents v

Modbus Plus Router........................................................................111

MB+ Chipset...................................................................................112

Modbus Plus Nodes........................................................................113

Module Info....................................................................................116

Config Overview............................................................................117

Admin Menu.......................................................................................119

Change Passwords..........................................................................119

Configuration Backup....................................................................120

Configuration Restore....................................................................121

Hot Modbus Plus............................................................................122

Firmware Update............................................................................123

Reset to Factory Defaults...............................................................124

10 MEBSW32............................................................................................125

Startup Screen.....................................................................................125

Main Menu..........................................................................................127

oNline Menu.......................................................................................128

Edit port parameters.......................................................................129

Edit Modbus routing.......................................................................130

Auto Scan Edit................................................................................130

Global Data.....................................................................................131

TCP Routing...................................................................................132

offline Menu........................................................................................133

Read from disk to memory.............................................................134

Write from memory to disk............................................................134

Edit configuration in memory........................................................134

edit Modbus Routing......................................................................135

edit Global data table......................................................................135

edit TCP routing table.....................................................................135

Send memory to module.................................................................135

Fetch memory from module...........................................................135

Print configuration in memory.......................................................135

Delete configuration file.................................................................135

Copy offline to module flash..........................................................135

Quit offline functions......................................................................136

Utility Menu........................................................................................136

View registers.................................................................................136

view module Revision....................................................................137

view Statistics.................................................................................138

Terminal emulator...........................................................................139

CTS monitor...................................................................................139

Modbus+ station list.......................................................................140

Ethernet node list............................................................................140

downLoad firmware to module......................................................141

vi Contents

Write setup to EEPROM................................................................141

Setup Menu.........................................................................................142

Serial communication.....................................................................142

Terminal emulator...........................................................................144

Quit Menu...........................................................................................145

Contents vii

1 Introduction

The Niobrara MEBII is a stand-alone DIN rail mount Modbus Plus to Ethernet Bridge. It

features a redundant cable Modbus Plus (MB+) port at leaset one 10/100BaseTX

Ethernet port and two isolated serial ports. The MEBII allows simultaneous pass-through

routing data messages from Modbus/TCP Ethernet MB+ and Modbus serial between all

ports. Full support of PLC programming message pass-through is also provided on all

communication ports including Unity Pro Concept ProWORX and Modsoft.

MEB II Manual 9

Figure 1.1:MEBII Front Panel

Keypad

Dual Cable

Modbus Plus

100BaseTX

Ethernet

24VDC

Power

Port 1

(RS-232)

LCD showing

IP Address

MB+ Node

Port 2

(RS-232)

Port 1

(RS-485) Port 2

(RS-485)

The MEBII features at least one 100BaseTX Ethernet port that supports Modbus/TCP as

both a client and a server at the same time. The MEBII can support up to 64

simultaneous Modbus/TCP connections. A routing table is used to map the incoming

Modbus/TCP Destination Index (Slave Address) from a client to a downstream route that

determines where the message is directed. This route may point to a PLC on MB+ a

slave on one of the MEB's serial ports or even back out the Ethernet port to a different

device. The Ethernet port also supports the older SY/MAX 802.3 protocol for smoothly

integrating legacy Square D Model 650 and 450 PLCs into a Modbus/TCP system.

The MEBII+201 model includes two 100BaseTX Ethernet ports that support Rapid

Spanning Tree Protocol (RSTP) allowing the MEBII to be used in a copper ring network

for redundant Ethernet cable connections. It may also be used in a daisy-chain Ethernet

network as well.

The Modbus Plus port supports dual-cable redundant MB+ networking but may simply

be used in a single-cable system by leaving one of the ports open. The standard 5-drop

MB+ routing structure is supported allowing full access to MB+ devices on the local

network or through Modicon Bridge Plus and Bridge Mux devices.

There are two isolated serial ports on the MEBII. Each port may be selected to use its

RJ-45 connector for RS-232 or a removable 5-pin screw connector for RS-485. The RS-

485 port may operate in 4-wire RS-422 4-wire RS-485 or 2-wire RS-485 modes with

selectable termination and bias. The two serial ports may be independently configured

for one of 18 different protocols including Modbus RTU Modbus ASCII and SY/MAX.

The default mode supports Modbus RTU and can dynamically switch between being a

master or a slave.

The MEBII features a front panel backlit LCD and keypad that may be used for

configuration and troubleshooting. The IP Address MB+ node address and most serial

port settings may be configured through this interface which may be password protected

to prevent unauthorized changes.

A built-in web server is included in the MEBII. This password protected AJAX

Javascript enabled server allows two user levels for configuration backup/restore

troubleshooting and even firmware updating – all from a standard browser.

The MEBII also includes a “Hot MB+” mode that allows two MEBII units to work

together to provide an automatic fully redundant primary/standby system for high

availability systems.

10 Introduction 1 MEB II Manual

2 Installation

WARNING: Do not connect the MEB II to any Ethernet or MB+ network before

configuring the appropriate network addresses. Duplicate network address may

lead to improper network communication equipment damage injury or death.

Device Mounting/Removal

(1) Hook the top notch on the upper lip of the DIN rail.

(2) Rotate the MEBII until the lower latches click tight.

(3) Use a screw driver to unclip the lower latches to remove the MEBII from the DIN

rail.(See Figure 2.1 DIN Rail Mounting and Removal)

MEB II Manual 11

Figure 2.1 DIN Rail Mounting and Removal

DIN Rail

(TS-35)

DIN Rail

(TS-35)

Click

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