Advantech EKI-1221 1-port Modbus Gateway User Manuals

Table of Contents

• 1 Introduction

  1
• Overview

  2
• Features

  2
• Specifications

  3
• Package Check List

  4
• 2 Getting Started

  5
• Understanding EKI-1221/1222/1224

  6
• 2.1.1 Protocol Overview

  6
• Figure 2.1 Modbus System Architecture 1

  7
• Figure 2.2 Modbus System Architecture 2

  7
• 2.1.2 Modbus RTU

  8
• 2.1.3 Modbus ASCII

  8
• Table 2.1: Comparison of Modbus RTU and ASCII Modes

  8
• 2.1.4 Modbus TCP

  8
• Hardware

  9
• 2.2.1 LED Indicators

  9
• Table 2.2: EKI-1221/1222/1224 LED Indicators

  9
• 2.2.2 Dimensions (Units: mm)

  10
• Figure 2.3 Front View of EKI-1221

  10
• Figure 2.4 Side View of EKI-1221

  10
• Figure 2.5 Back View of EKI-1221

  11
• Figure 2.6 Top View of EKI-1221

  11
• Figure 2.7 Front View of EKI-1222

  12
• Figure 2.8 Side View of EKI-1222

  12
• Figure 2.9 Back View of EKI-1222

  13
• Figure 2.10Top View of EKI-1222

  13
• Figure 2.11Front View of EKI-1224

  14
• Figure 2.12Side View of EKI-1224

  14
• Figure 2.13Back View of EKI-1224

  15
• Figure 2.14Top View of EKI-1224

  15
• Connecting Hardware

  16
• 2.3.1 Choosing the Location

  16
• Figure 2.15Combine the Metal Mounting Kit

  16
• Figure 2.16DIN-rail Step 1

  17
• Figure 2.17DIN-rail Step 2

  17
• 2.3.2 Connecting Power

  18
• Figure 2.18Power Connector

  18
• 2.3.3 Connecting Serial Devices

  18
• 2.3.4 Connecting to a Host or the Network

  18
• 3 Configuration

  19
• Installing the Configuration Utility

  20
• Starting the Configuration Utility

  23
• Discovering Modbus Data Gateways

  24
• 3.3.1 Auto Searching

  24
• 3.3.2 Clear Device List and Search Again

  27
• 3.3.3 Manual Appending

  27
• Setting Ethernet Parameters

  28
• Setting Serial Communication Parameters

  29
• 3.5.1 Basic Configuration

  30
• 3.5.2 Operation Configuration

  32
• Function Accessible Setting

  34
• Monitoring Modbus Status

  35
• Administrator Setting

  35
• 3.8.1 Import/Export Serial Port Setting

  36
• 3.8.2 Locate the Modbus Data Gateway

  36
• 3.8.3 Lock Device

  37
• 3.8.4 Restore to Factory Default Settings

  38
• 3.8.5 Update Firmware

  39