ICP DAS USA GW-7552 Guide de configuration

GW-7552 PROFIBUS/MODBUS GATEWAY Quick Start User Guide (Version 1.00) PAGE：1

Quick Start User Guide

1. Introduction

This manual introduces the GW-7552's basic setting and operating quickly, the user

can refer to the user manual in the ICP DAS companion CD-ROM (Path:

“CD:\PROFIBUS\Gateway\GW-7552\ manual\GW-7552 user manual.pdf”).

This manual helps users to understand about the GW-7552 module and application.

In the following examples the CIF50-PB PROFIBUS master card from Hilscher is

used. The configuration and communication is done by the program “SyCon”

provided by Hilscher.

Application example of PROFIBUS to Modbus

In this example the GW-7552 acts as a Modbus slave device. When the GW-7552

module receives a write DO Modbus command from PC’s COM Port, the GW-7552

module can send the message to the input data area of PROFIBUS master station.

When the GW-7552 module receives a read DI Modbus command from PC’s COM

Port, GW-7552 module can refer to the output data area of PROFIBUS master

station to produce response message and send it to PC’s COM Port.

2. Hardware configuration

RS232 connection

Power connection

52 PRIFIBUS/MODBUS GATEWAY

GW-7552 PROFIBUS/MODBUS GATEWAY Quick Start User Guide (Version 1.00) PAGE：2

PROFIBUS connection

Here we recommend users to use the standard PROFIBUS cable and

connector (DB9 male). It is only needed to use D-type connector via

PROFIBUS cable to connect PROFIBUS master station and GW-7552

module. PROFIBUS master station and GW-7552 module belong to terminal

equipments in this example, thus we need to enable the terminator resistor in

the D-type connector.

Address setting

The GW-7552 is a slave device of PROFIBUS DP protocol. The station address

of GW-7552 can be set by dip switch. The dip switch can be seen by open the

cover, as shown in the below. The range of dip switch is 0~126, here we set

GW-7552 module’s dip switch to 1.

LED status indicator

LED Status Description

flash When the GW-7552 is as a Modbus slave device and receiving

query message form Modbus master device, PWR led will flash.

on Power supply is ok.

The firmware has loaded.

PWR

off Power supply has failed.

flash

When the GW-7552 connects with the utility tool, it will flash

fast (flash once about 55ms).

When the GW-7552 has diagnostic message, it will flash slowly

(flash once about 220ms).

ERR

on The connection is error with PROFIBUS master device or

PROFIBUS system configuration is not correct.

DIP SWITCH(SW1)

Station

address

1 2 3 4 5 6 7 8

1 1 0 0 0 0 0 0 0

10 0 1 0 1 0 0 0 0

31 1 1 1 1 1 0 0 0

GW-7552 PROFIBUS/MODBUS GATEWAY Quick Start User Guide (Version 1.00) PAGE：3

off PROFIBUS system configuration is correct.

It is normal operation.

on Data exchange mode.

It is normal operation.

RUN off GW-7552 module is not in data exchange mode.

3. Establish connection with GW-7552

Before establish the connection between DP-Master and GW-7552, users

should obey the following steps first.

4. Software configuration

GSD file

Please copy the GSD file (IPDS0B87.gsd) and the Bitmap file (ICP_7552.

bmp , i_7552.bmp) from the CD of the GW-7552 module into the Profibus

configuration tool.

File->CopyGSD

(Directory: --> CD:\PROFIBUS\ GATEWAY\GW-7552\GSD\)

the example of how to load GSD file

Here, we use the hilscher CIF50-PB PROFIBUS communication interface to

show how to load GW-7552’s GSD file step by step.

1. First, users must load the

electronic device description file

(GSD file) of the GW-7552 into

the DP-Master.

2. And then set the parameters and

configurations.

3. Finally change your DP-master

from offline state to operate

state. The GW-7552 will be

initialized. If there is no error

occurs, GW-7552 proceeds into

data exchange state. At the

meantime, if there is any error

occurs, GW-7552 will return to

wait for parameterization.

GW-7552 PROFIBUS/MODBUS GATEWAY Quick Start User Guide (Version 1.00) PAGE：4

Set the parameters of the GW-7552

The user just needs to change Modbus type to slave and use the default

value in the other parameters in this example. Please refer to user manual

section 4.3 The Configuration of the common parameters.

Click <Parameter Data>

button to enter the Parameter

Data dialog

Double click the GW-

7552’s icon to enter the

Slave configuration dialog

Step 4: Finish adding i-7550 in

the DP

master interface.

Step 3: Set address of GW-7552

and then click OK button.

Step 2: Choose GW-7552

device

and click Add button.

Step 1: Click insert slave button

in the PROFIBUS

onfiguration tool

GW-7552 PROFIBUS/MODBUS GATEWAY Quick Start User Guide (Version 1.00) PAGE：5

Set the modules of the GW-7552

The modules of the GW-7552 are described below.

●

System setting module：2 byte out

●

Output module：Output Relay/Coil1~32 Bytes

Output Register1~64 Words

●

Input module：Input Relay/Coil1~32 Bytes

Input Register1~64 Words

In this example, we configure a “system setting module”, an “Output

Relay/Coil--2 Byte module” and an “Input Relay/Coil--2 Byte module”, as

follows.

Configure module and click OK

button

Double click GW-7552’s icon to

enter Slave configuration dialog

Change Modbus type to

slave and click

<OK> button

GW-7552 PROFIBUS/MODBUS GATEWAY Quick Start User Guide (Version 1.00) PAGE：6

When the user finishes the configuration and saves setting in the

PROFIBUS master station successfully, the 'RUN' LED indicator of GW-

7552 is turned on. That shows the GW-7552 working in the data exchange

mode.

Click <Online->Download> to download the setting into PROFIBUS master

station

5. GW-7552 module communication test

This demo uses utility “MBRTU” on the PC to communicate with the GW-

7552. The User can download it on the web site:

http://ftp.icpdas.com.tw/pub/cd/8000cd/napdos/modbus/modbus_utility/. The

settings of the “MBRTU” are shown in the below.

MBRTU setting

GW-7552 PROFIBUS/MODBUS GATEWAY Quick Start User Guide (Version 1.00) PAGE：7

PROFIBUS input test

--Send Command to write DO of the GW-7552

The user needs to input command (” 01 0F 00 00 00 10 02 FF FF”) here and

click <Send Command> button to send Modbus command and then MBRTU

can receive response message (” 01 0F 00 00 00 10 54 07”). The user can find

byte 0, 1 of input data area of Profibus master device have changed into “FF”

at this time, as shown in the below.

Send modbus command (output data: FF, FF)

Receive “0xFF” in input data area of Profibus master station

Module Byte Data type

Representation

Value

Input 0 Byte Hex 0xFF

Input module Input 1 Byte Hex 0xFF

PROFIBUS output test

--Send Command to read DI of the GW-7552

The user needs to input command (” 01 02 00 00 00 10”) in MBRTU and

click <Send Command> button to send Modbus command and then MBRTU

can receive response message (” 01 02 02 00 00 B9 B8”). In this message, the

user can know the value of DI0 & DI1 is “0” in the GW-7552.

--Send output data to write DI of the GW-7552 by the Profibus master

The user needs to set “0xFE” & “0xDC” in byte 2 & byte 3 of output data

GW-7552 PROFIBUS/MODBUS GATEWAY Quick Start User Guide (Version 1.00) PAGE：8

area of Profibus master device and then set the value of the first byte from 0

to 1 to trigger the data output command.

--Send Command to read DI of the GW-7552 again

Now the user can input command (” 01 02 00 00 00 10”) in MBRTU and

click <Send Command> button to send Modbus command again. Then

MBRTU can receive response message (” 01 02 02 FE DC F8 41”). In this

message, the user can know the value of DI0 & DI1 have changed into

“0xFE” & “0xDC” in the GW-7552, as shown in the below.

Set output data and trigger output data command

Module Byte Data type

Representation

Value

Output 0

Byte Hex 0x00 →0x01

System

module Output 1

Byte Hex 0x00

Output 2

Byte Hex 0x00→0xFE

Output

module Output 3

Byte Hex 0x00→0xDC

Send Modbus command to read DI of the GW-7552 and receive data (0xFE, 0xDC)

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