Exemys SGW1-IA3-MMP User manual

SGW1-IA3-MMP – Modbus Multiplexer Exemys

www.exemys.com SGW1-IA3-MMP User s Manual Rev. 1 1

SGW1-IA3-MMP – Modbus Multiplexer Exemys

www.exemys.com SGW1-IA3-MMP User s Manual Rev. 1 2

Exemys products are constantly evolving to meet the needs of our customers. For this reason,

the specifications and capabilities are subject to change without notice.

Find updates at www.exemys.com

SGW1-IA3-MMP – Modbus Multiplexer Exemys

www.exemys.com SGW1-IA3-MMP User s Manual Rev. 1 3

Page Index

1 Introduction

IntroductionIntroduction

Introduction

________________________________

________________________________________________________________

________________________________________________________

________________________________________________

________________________

1.1

1.11.1

1.1 User’s Manual Purpose

User’s Manual PurposeUser’s Manual Purpose

User’s Manual Purpose

________________________________

________________________________________________________________

________________________________________________

________________________________

________________

1.2

1.21.2

1.2 Product Overview

Product OverviewProduct Overview

Product Overview

________________________________

________________________________________________________________

____________________________________________________

________________________________________

____________________

1.3

1.31.3

1.3 Ordering Codes

Ordering CodesOrdering Codes

Ordering Codes

________________________________

________________________________________________________________

_____________________________________________________

__________________________________________

_____________________

1.4

1.41.4

1.4 Technical Specifications

Technical SpecificationsTechnical Specifications

Technical Specifications

________________________________

________________________________________________________________

_______________________________________________

______________________________

_______________

2 Installation

InstallationInstallation

Installation

________________________________

________________________________________________________________

________________________________________________________

________________________________________________

________________________

2.1

2.12.1

2.1 Power

PowerPower

Power

________________________________

________________________________________________________________

____________________________________________________________

________________________________________________________

____________________________

2.2

2.22.2

2.2 Connections

ConnectionsConnections

Connections

________________________________

________________________________________________________________

________________________________________________________

________________________________________________

________________________

2.3

2.32.3

2.3 LED indicators

LED indicatorsLED indicators

LED indicators

________________________________

________________________________________________________________

______________________________________________________

____________________________________________

______________________

3 Configuration

ConfigurationConfiguration

Configuration

________________________________

________________________________________________________________

______________________________________________________

____________________________________________

______________________

3.1

3.13.1

3.1 Master / Slave configuration parameters

Master / Slave configuration parametersMaster / Slave configuration parameters

Master / Slave configuration parameters

________________________________

________________________________________________________________

___________________________________

______

___

3.2

3.23.2

3.2 Serial Port Configuration

Serial Port ConfigurationSerial Port Configuration

Serial Port Configuration

________________________________

________________________________________________________________

_____________________________________________

__________________________

_____________

3.3

3.33.3

3.3 RTS Control Configuration

RTS Control ConfigurationRTS Control Configuration

RTS Control Configuration

________________________________

________________________________________________________________

____________________________________________

________________________

____________

1111

3.4

3.43.4

3.4 Slave ranges, Configuration

Slave ranges, ConfigurationSlave ranges, Configuration

Slave ranges, Configuration

________________________________

________________________________________________________________

___________________________________________

______________________

___________

1111

3.5

3.53.5

3.5 Other configuration settings.

Other configuration settings.Other configuration settings.

Other configuration settings.

________________________________

________________________________________________________________

__________________________________________

____________________

__________

1414

4 T

Typical Usage Modes

ypical Usage Modesypical Usage Modes

ypical Usage Modes

________________________________

________________________________________________________________

________________________________________________

________________________________

________________

1515

4.1

4.14.1

4.1 Multiplexer Mode

Multiplexer ModeMultiplexer Mode

Multiplexer Mode

________________________________

________________________________________________________________

__________________________________________________

____________________________________

__________________

1515

4.2

4.24.2

4.2 De

DeDe

De-

-Multiplexer Mode

Multiplexer ModeMultiplexer Mode

Multiplexer Mode

________________________________

________________________________________________________________

________________________________________________

________________________________

________________

1616

4.3

4.34.3

4.3 Converter Mode

Converter ModeConverter Mode

Converter Mode

________________________________

________________________________________________________________

____________________________________________________

________________________________________

____________________

1717

4.4

4.44.4

4.4 Interchange memory Mode

Interchange memory ModeInterchange memory Mode

Interchange memory Mode

________________________________

________________________________________________________________

____________________________________________

________________________

____________

1717

5 Monitoring

MonitoringMonitoring

Monitoring

________________________________

________________________________________________________________

_______________________________________________________

______________________________________________

_______________________

1818

A. FIRMWARE UPGRADE

A. FIRMWARE UPGRADEA. FIRMWARE UPGRADE

A. FIRMWARE UPGRADE

1919

B. FACTORY SETTINGS

B. FACTORY SETTINGSB. FACTORY SETTINGS

B. FACTORY SETTINGS

2222

C. DIN RAIL MOUNT

C. DIN RAIL MOUNTC. DIN RAIL MOUNT

C. DIN RAIL MOUNT

2323

SGW1-IA3-MMP – Modbus Multiplexer Exemys

www.exemys.com SGW1-IA3-MMP User s Manual Rev. 1 4

1Introdu tion

1.1 User’s Manual Purpose

The purpose of this manual is to provide the instructions for installing and operating the

SGW1-IA3-MMP quickly and simply. The manual begins with a general description of the

product, following the instructions for the correct installation of the hardware. The

configuration and operation of the device is detailed later.

Acr

onym

Descrip

tion

PC Personal Computer

USB Universal Serial Bus

LED Led Indicator

GND Ground (Reference)

1.2 Produ t Overview

The SGW1-IA3-MMP is a Modbus communications multiplexer / converter over serial ports. It

allows you to connect Modbus RTU / ASCII masters to Modbus RTU / ASCII slaves. Each of

the serial devices can operate with Baud Rate, Data Bits, Parity, Bits Stop and different

Modbus protocol type (RTU or ASCII).

The SGW1-IA3-MMP orders the interrogations coming from the different masters assigning a

priority according to the order of arrival of the different masters, and then sends them to the

slaves.

As an additional function, the device allows the exchange of information between Modbus

masters through the 1 -byte exchange memory that can be read and written by any of the

connected masters.

SGW1-IA3-MMP – Modbus Multiplexer Exemys

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1.3 Ordering Codes

Part Number Description

SGW1-4B

4B4B

4B -

-IA3-MMP

4 RS-232 / RS-485 ports

SGW1-13B

13B13B

13B -

-IA3-MMP-CF

CFCF

1 RS232with flow control + 3 RS-232 / RS-485 ports

1.4 Te hni al Spe ifi ations

Communication

CommunicationCommunication

Communication

Protocol

ProtocolProtocol

Protocol

Modbus RTU, Modbus ASCII.

Communication Ports

Communication PortsCommunication Ports

Communication Ports

4 RS232/RS485 + 1 USB type B.

Configura

ConfiguraConfigura

Configuration

tiontion

tion

Serial USB console.

Firmwa

FirmwaFirmwa

Firmware upgrade

re upgradere upgrade

re upgrade

Via serial RS232 console

LED’s

LED’sLED’s

LED’s

Indica

IndicaIndica

Indicators

torstors

tors

Power, Modbus data

Dimensions

DimensionsDimensions

Dimensions

1 mm x 22,5 mm x 112 mm (Height x Width x Length).

Power

PowerPower

Power

1 a 3 [Vdc].

12 Vdc – 7 [mA]

24 Vdc – 4 [mA].

Temperatur

TemperaturTemperatur

Temperatures

eses

Operation: -15 to 65 ºC.

Storage: -4 to 75 ºC.

Warranty

WarrantyWarranty

Warranty

1 year

Technical support included.

SGW1-IA3-MMP – Modbus Multiplexer Exemys

www.exemys.com SGW1-IA3-MMP User s Manual Rev. 1 6

2Installation

2.1 Power

The SGW1-IA3-MMP accepts a power supply in the range of +1 to 3 Vdc and must connect

the positive of the power supply to terminal No. 17 and the negative of the power supply to

terminal No. 18, as shown in the following figure:

2.2 Conne tions

SGW1-4B

4B4B

4B -

-IA3-MMP SGW1-13B

13B13B

13B -

-IA3-MMP-CF

CFCF

RS232 ports are DTE type. That is, it is transmitted through the TX terminal and is received by

the RX terminal. If you want to connect another DTE device you must cross the terminals Tx and

Rx.

SGW1-IA3-MMP – Modbus Multiplexer Exemys

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2.3 LED indi ators

The SGW1-IA3-MMP has five indicator LEDs. One of them indicates that the device is

energized (Power). While the other four are each linked to their serial port and shows the

state of communications.

SGW1-IA3-MMP – Modbus Multiplexer Exemys

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3Configuration

The SGW1-IA3-MMP provides a command console for configuration via USB port.

To access it, the SGW1-IA3-MMP must be connected to a USB port on a PC and it must have

the Exemys terminal program called Exemys Console.

The driver for the USB can be downloaded from here: http://www.exemys.com/rmsrmdriver

The terminal program can be downloaded from here: http://www.exemys.com/console

Once the driver and the terminal type program have been installed, the terminal must be run,

connect the SGW1-IA3-MMP to a USB port on the PC and go to the Connection -> USB

menu, a window will open with the description of all the Exemys products with USB found.

Select with double click the product to be configured and pressing ENTER will show a ">"

sign indicating that you can enter the configuration commands listed below.

In the commands below, the suffix X

X must be replaced by A,

A,A,

A, B

B, C

C or D

D D

D depending on the serial port

that you want to configure.

SGW1-IA3-MMP – Modbus Multiplexer Exemys

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3.1 Master / Slave onfiguration parameters

Com

and

Descrip

tion

MSCOM:

(M|S)(M|S)

Configures if a Master or a Slave will be connected to the COM

• M

M = Master. /

S = Slave.

Example of use: MSCOM:MMSM

(COM A, B and D connected to master devices, COM C connected to slave/s

device/s).

SLVTOUT:

(50..30000)

[ms]

Sets the maximum waiting time in the slave response.

This command applies to all ports connected to slaves.

NOTE:

NOTE:NOTE:

NOTE: When the SGW1-IA3-MMP sends an order to the slave it expects a

response from the slave. If the slave does not respond within this time it will go to

the next master.

• Value = 5 ... 3 [ms].

Example of use: SLVTOUT:100

SLVTOUTx:

(50..30000)

[ms]

Sets the maximum waiting time in the response of the slaves connected to the X

port.

NOTE:

NOTE: NOTE:

NOTE: When the SGW1-IA3-MMP sends an order to the slave it expects a

response from the slave. If the slave does not respond within this time it will go to

the next master.

• Value = 5 ... 3 [ms].

Example of use: SLVTOUTA:100

PRIORITY:

(0..100)

[ms]

Set the response priority level for all masters connected to the device.

NOTE:

NOTE:NOTE:

NOTE: The priority of level is the maximum. For each priority level added, extra

1 milliseconds are delayed before responding to that master's order.

This command applies to all ports connected to masters.

• Value = ... 1 [ms].

Example of use: PRIORITY:1

PRIORITYx:

(0..100)

[ms]

Sets the response priority level of the master connected to the X port.

NOTE:

NOTE:NOTE:

NOTE: The priority of level is the maximum. For each priority level added, extra

1 milliseconds are delayed before responding to that master's order.

• Value = ... 1 [ms].

Example of use: PRIORITYB:2

SGW1-IA3-MMP – Modbus Multiplexer Exemys

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3.2 Serial Port Configuration

Com

and

Descrip

tion

BAUDx:

(1200|…|

115200)

Configures the baud rate of the X port.

• Values = 12 , 24 , 48 , 96 ,

96 ,96 ,

96 , 144 , 192 , 288 , 384 , 576 or

1152 ..

Example of use: BAUDA:115200

BITSx:

(7|8)

Configures the data bits of the X port.

• Values = 7 or 8.

Example of use: BITSB:7

PARITYx:

(N|E|O)

Configure the parity of port X.

• N = NONE - / = EVEN - (Even Parity) /

O = ODD - (Odd Parity)

Example of use: PARITYC:E

STOPx:

(1|2)

Set the stop bits for the X port.

• Values = 1 or 2.

Example of use: BITSB:2

PROTOCOLx:

(R|A)

Configure Modbus type of port X.

• R

R = Modbus RTU / A

A = Modbus ASCII

Example of use: PROTOCOLA:R

PKTTOUTx:

(3..50)

[Bytes Time]

Modbus RTU packet expiration time for port X.

• Value = 3 ... 5 [Bytes Time].

Example of use: PKTTOUTD:4

EXCEPTIONx:

(E|D)

Enable or Disable the exceptions for port X.

• E = Enabled / D = Disabled

Example of use: EXCEPTIONA:D

WPROTECTx:

(E|D)

Enables or disables write protection of Modbus registers for the master connected

to the port X.

• E = Enabled / D = Disabled

Example of use: WPROTECTB

B:D

PKTTOUT - Modbus RTU packet expiry time: Modbus RTU packets are separated

from each other by a time interval. This parameter allows you to change the

maximum time to count after the last byte of the packet is received, during which

the SGW1-IA3-MMP will assume that the packet has not yet been terminated.

After this maximum time, the SGW1-IA3-MMP will assume that the packet has

finished arriving. The time is entered in one-byte time units, with a minimum of 3

units.

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