Ison Is-ms3180 series User manual

IS-MS3180Series 

UserManual 

Tiny Modbus/TCP to RTU/ASCII Gateway

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TABLEOFCONTENTS

1. Introduction ......................................................................................................................... - 4 -

1.1 Features ........................................................................................................ - 6 -

1.2 Applications .................................................................................................. - 7 -

1.3 Ethernet Solutions ........................................................................................ - 7 -

1.4 Web Server Technology ................................................................................ - 8 -

2. Hardware Information......................................................................................................... - 9 -

2.1 Specifications ................................................................................................ - 9 -

2.2 Appearance ................................................................................................. - 10 -

PoE and Ethernet RJ-45 Jack ...................................................................................... - 10 -

+12 to +48 VDC Jack .................................................................................................. - 10 -

Operating Mode Switch.............................................................................................. - 11 -

LED Indicator ............................................................................................................. - 11 -

Serial COM Ports ........................................................................................................ - 12 -

DIN-Rail Mounting ..................................................................................................... - 12 -

2.3 Dimensions ................................................................................................. - 13 -

IS-MS3180 Series Module .......................................................................................... - 13 -

CA-002 Cable .............................................................................................................. - 14 -

2.4 Pin Assignments ......................................................................................... - 15 -

IS-MS3180 .................................................................................................................. - 15 -

2.5 Wiring Notes for RS-232/485/422 Interfaces ........................................... - 16 -

RS-232 Wiring ............................................................................................................ - 16 -

RS-422 Wiring ............................................................................................................ - 16 -

RS-485 Wiring ............................................................................................................ - 17 -

3. Getting Started ................................................................................................................... - 18 -

3.1 Connecting the Power and Host PC ............................................................ - 18 -

3.2 Configuring Network Settings .................................................................... - 19 -

3.3 Connecting the Modbus Devices ................................................................ - 21 -

3.4 Configuring the Serial Port ......................................................................... - 21 -

3.5 Self-Test ....................................................................................................... - 23 -

4. Web Configuration ............................................................................................................. - 24 -

4.1 Logging in to the IS-MS3180 Web Server .................................................. - 24 -

4.2 Home Page .................................................................................................. - 26 -

4.3 Network Page ............................................................................................. - 28 -

4.3.1 IP Address Selection ................................................................................... - 28 -

4.3.2 General Settings .......................................................................................... - 31 -

- 3 -

4.3.3 Modbus Settings ......................................................................................... - 32 -

4.3.4 Restore Factory Defaults ............................................................................ - 34 -

4.4 Serial Port Page........................................................................................... - 36 -

4.4.1 Settings (Port1 Settings) ............................................................................ - 36 -

4.4.2 Settings (Pair-Connection Settings) ........................................................... - 39 -

4.5 Filter Page ................................................................................................... - 40 -

4.6 Monitor Page .............................................................................................. - 41 -

4.7 Password Page ............................................................................................ - 42 -

4.8 Logout Page ................................................................................................ - 43 -

5. Typical Applications .......................................................................................................... - 44 -

5.1 Modbus Gateway ........................................................................................ - 44 -

5.2 Modbus Net ID ............................................................................................ - 44 -

5.3 Pair-connection Applications ..................................................................... - 45 -

5.4 TCP Client Mode Applications .................................................................... - 49 -

6. Modbus Information .......................................................................................................... - 51 -

6.1 Modbus Message Structure ........................................................................ - 51 -

01(0x01) Read the Status of the Coils (Readback DOs)

..................................................... - 54 -

02(0x02) Read the Status of the Input (Read DIs)

............................................................ - 55 -

03(0x03) Read the Holding Registers (Readback AOs)

..................................................... - 56 -

04(0x04) Read the Input Registers (Read AIs)

................................................................. - 57 -

05(0x05) Force a Single Coil (Write DO)

......................................................................... - 58 -

06(0x06) Preset a Single Register (Write AO)

.................................................................. - 59 -

15(0x0F) Force Multiple Coils (Write DOs)

..................................................................... - 60 -

16(0x10) Preset Multiple Registers (Write AOs) ...................................................... - 61 -

Appendix A: Troubleshooting ................................................................................................... - 62 -

A1. How do I restore the web password for the module to the factory default password? .. - 62 -

Appendix B: Actual Baud Rate Measurement ........................................................................... - 64 -

Appendix C: Exception Codes.................................................................................................... - 65 -

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1. Introduction

Modbus has become the standard protocol for industrial communication and is now the most

commonly available means of connecting industrial electronic devices. Modbus allows for

communication between many devices connected to the same RS-485 network, for example, a system

that measures temperature and humidity and communicates the results to a computer. Modbus is

often used to connect a supervisory computer with a remote terminal unit (RTU) in supervisory

control and data acquisition (SCADA) systems.

The IS-MS3180 module is a Modbus TCP/UDP to RTU/ASCII gateway that enables a Modbus/TCP host

to communicate with serial Modbus RTU/ASCII devices through an Ethernet network, and eliminates

the inherent cable length limitations of legacy serial communication devices. The module can be used

to create pair-connection applications (as well as serial-bridge or serial-tunnel applications) and can

then route data over a TCP/IP connection between two serial Modbus RTU/ASCII devices, which is

useful when connecting mainframe computers, servers or other serial devices that use Modbus

RTU/ASCII protocols and do not themselves have Ethernet capability.

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In harsh industrial environments, the IS-MS3180 series also adds 3000 VDC and +/- 4 kV ESD protection

component that diverts the potentially damaging charge away from sensitive circuit to protects the

module and equipment from the sudden and momentary electric current.

The IS-MS3180 module features a powerful 32-bit MCU that enables efficient handling of network

traffic, and also has a built-in web server that provides an intuitive web management interface that

allows users to modify the configuration of the module, including the DHCP/Static IP, the

gateway/mask settings and the serial port settings.

The IS-MS3180 module offers true IEEE 802.3af-compliant (classification, Class

1) Power over Ethernet (PoE) functionality using a standard Category 5 Ethernet

cable to receive power from a PoE switch. If there is no PoE switch on site, the

module will also accept power input from a DC adapter. The IS-MS3180 module

is designed for ultra-low power consumption, reducing the hidden costs

resulting from increasing fuel and electricity prices, especially when a large number of modules are

installed. Reducing the amount of electricity consumed by choosing energy-efficient equipment can

also have a positive impact on maintaining a green environment.

Comparison of Device Servers:

Series

Features

IS-DS5150 IS-MS3180

Virtual COM





Programmable



PoE



Modbus Gateway





Multi-client

1 Sockets/Port 10 Sockets/Port

Remarks

Cost-effective, Entry-level Cost-effective, Entry-level

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1.1 Features

 Supports Modbus TCP/UDP master and slave

 Supports Modbus RTU/ASCII master and slave

 Max. connections (masters) per serial port: 32

 Read-cache ensures faster Modbus TCP/UDP response

 Supports UDP responder for device discovery (UDP Search)

 Static IP or DHCP network configuration

 Easy firmware update via the Ethernet (BOOTP, TFTP)

 Tiny Web server for configuration (HTTP)

 Contains a 32-bit MCU that efficiently handles network traffic

 10/100 Base-TX Ethernet, RJ-45 x1 (Auto-negotiating, auto MDI/MDIX, LED Indicators)

 Includes redundant power inputs: PoE (IEEE 802.3af, Class 1) and DC jack

 Allows automatic RS-485 direction control

 3000 VDC isolation and +/- 4 kV ESD protection for i versions

 Terminal block connector for easy wiring

 Tiny form-factor and low power consumption

 RoHS compliant with no Halogen

 Cost-effective Modbus Gateway

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1.2 Applications

 Factory Automation

 Building Automation

 Home Automation

 Remote Diagnosis and Management

1.3 EthernetSolutions

Nowadays, the Ethernet protocol has become the foremost standard for local area networks.

Connectivity via the Internet snow common in many of the latest applications from home appliances,

to vending machines, to testing equipment, to UPS, etc. An Ethernet network can link office

automation and industrial control networks, access remote systems and share data and information

between machines from multiple vendors, and also provides a cost-effective solution for industrial

control networks.

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1.4 WebServerTechnology

Web server technology enables the IS-MS3180 to be configured via a standard web browser interface,

e.g., Google Chrome, Internet Explorer, or Firefox, etc. This means that it is easy to check the

configuration of the IS-MS3180 via an Ethernet network without needing to install any other software

tools, thereby reducing the learning curve required for maintaining the device.

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2. HardwareInformation

This chapter provides a detailed description of the front panel, the hardware specifications, the pin

assignments, the wiring notes and the dimensions for the IS-MS3180 series modules.

2.1 Specifications

Model IS-MS3180

System

CPU

bit ARM

Communication Interface

Ethernet

10/100

Base

TX, 8

in RJ

45 x 1,

(Auto

negotiat

ing, Auto

MDI/MDIX, LED indicat

or)

PoE (IEEE 802.3af, Class 1)

COM1 3-wire RS-232, 2-wire RS-485, 4-wire RS-422

Self-Tuner

Yes,

automat

ic RS

485 direction control

RS-

485

Bias Resistor

Yes, 1 KΩ

Node

254 (max.)

UART

16c550 or compatible

Signal Isolation

3000 V

ESD Protection

4 kV

COM Port Format

Baud Rate

115200 bps Max.

Data Bit

5, 6, 7, 8

Parity

None, Odd, Even, Mark, Space

Stop Bit

1, 2

Power

Power Input PoE: IEEE 802.3af, Class 1, DC jack: +12 ~ 48 VDC

Power Consumption 0.07 A @ 24 VDC

Mechanism

Connector 10-Pin Terminal x1

Mounting

DIN

Rail

Flammability

Fire Retardant Materials (UL94

V0 Level)

Environment

Operating Temperature

25 ~ +75 °C

Storage Temperature

30 ~ +80 °C

Humidity

10 ~ 90% RH, non

condensing

Note

: COM1/COM2/COM3 = TCP Port 502/503/504

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2.2 Appearance

PoEandEthernetRJ-45Jack

The IS-MS3180 module is equipped with an RJ-45 jack that is used as the 10/100 Base-TX Ethernet

port and features networking capabilities. When an Ethernet link is detected, and an Ethernet

packet is received, the Link/Act LED (Orange) indicator will be illuminated. When power is supplied

via PoE (Power-over-Ethernet), the PoE LED (Green) indicator will be illuminated.

+12to+48VDCJack

The IS-MS3180 is equipped with a +12VDC to +48 VDC jack that can be used to connect a power

supply. If no PoE switch is available on site, a DC adapter can be used to power the IS-MS3180

module.

5. Serial COM Ports

4. LED indicator

3. Operating Mode

Switch

2. +12 to +48 VDC Jack

1. PoE and Ethernet

RJ-45 Jack

6. DIN-Rail Mounting

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