Table of Contents

Table of Contents

1.

Specifications

6

2.

Overview

9

 

2.1

Introduction

9

 

2.2

Features

9

 

2.3

What’s Included

9

 

2.4

Hardware Description

10

 

2.5

Modbus Hardened Serial Server Configuration Software

11

3.

Installation and Initial Setup

12

 

3.1

Connecting the Power Supply

12

 

3.2

Connecting Modbus Hardened Serial Servers to Modbus Networks

12

 

 

3.2.1 RS-232

12

 

 

3.2.2 RS-422

12

 

 

3.2.3 RS-485

12

 

3.3

Connecting Modbus Hardened Serial Servers to a Network

13

 

3.4

Modbus Hardened Serial Server Configuration Connections

13

 

 

3.4.1 Installing Modbus Hardened Serial Server Software

14

 

 

3.4.2 Configuring the Modbus Hardened Serial Server via the Network Connection

17

 

 

3.4.3 Configuring the Modbus Hardened Serial Server on Networks Without a DHCP Server

33

 

 

3.4.4 Configuring the Modbus Hardened Serial Server via the Serial Port

35

 

3.5

LES431A Modbus Hardened Serial Server Operational Connections

37

 

3.6

Initiating a Hardware Reset on the Modbus Hardened Serial Server

37

 

3.7

Reloading Factory Defaults

37

4.

Upgrading the Modbus Hardened Serial Server Firmware

38

 

4.1

Downloading Firmware Files

38

 

4.2

Uploading the Firmware to the Modbus Hardened Serial Server

39

5.

Diagnostics

40

6.

Application Examples

42

 

6.1

Ethernet Master and Serial Slaves

42

 

6.2

Serial and Ethernet Masters, Serial and Ethernet Slaves

47

 

6.3

Serial Masters, IP Slaves

49

 

6.4

Identical Hard-Coded Slaves

51

 

6.5

Identical Production Lines

51

7.

Modbus Help

52

 

7.1

Modbus ASCII/RTU Basics

52

 

7.2

Hints and Tips

52

Appendix A. Default Modbus Hardened Serial Server Settings

53

Appendix B. Connector Pinouts

54

 

B.1

DB9 M Connector

54

 

B.2

Terminal Block

54

 

B.3

Standard Ethernet Cable RJ-45 Pinout

55

Appendix C. Glossary

56

724-746-5500 blackbox.com

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Black Box Modbus Hardened Serial Server, LES431A manual Table of Contents