Moxa Technologies MGate MB3480 Manuale utente

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P/N: 1802034800013

MGate MB3480

Quick Installation Guide

Fifth Edition, February 2014

Overview

The MGate MB3480 is a 4-port Modbus gateway that converts

between Modbus TCP and Modbus RTU/ASCII protocols. It can be

used to allow Ethernet masters to control serial slaves, or to allow

serial masters to control Ethernet slaves. Up to 16 TCP masters

and 124 serial slaves can be connected simultaneously.

Package Checklist

Before installing the MGate MB3480 Modbus gateway, verify that

the package contains the following items:

•1 MGate MB3480 Modbus gateway

•Document & Software CD

•Quick Installation Guide

•Product Warranty Statement

Optional Accessories

•DK-35A: DIN-rail mounting kit (35 mm)

Notify your sales representative if any of the above items is

missing or damaged.

Hardware Introduction

As shown in the following figures, the MGate MB3480 has 4 DB9

male ports for transmitting serial data.

Reset Button—The reset button is used to load factory defaults.

Hold the reset button down for five seconds using a pointed object

such as a straightened paper clip. Release the reset button when

the Ready LED stops blinking.

LED Indicators—Six LED indicators are located on the top panel:

Name

Color

Function

Ready

Red

On:

Power is on and the unit is booting

up.

Blinking: IP conflict exists, or

DHCP or BOOTP

server did not respond properly.

Green

On:

Power is on and the unit is

functioning normally.

Blinking: Unit has found by the Location

command in MGate Manager.

Off

Power is off or power error condition exists

Link

Orange

10 Mbps Ethernet connection

Green

100 Mbps Ethernet connection

Off

Ethernet cable is disconnected or has a short

P1, P2,

P3, P4

Orange

Unit is receiving data from device

Green

Unit is transmitting data to device

Off

No data is being exchanged with device

Hardware Installation Procedure

STEP 1

After unpacking the

unit, connect the power supply or

power adaptor to the unit.

STEP 2

Use a standard straight

-through Ethernet cable to

connect the

unit to a network hub or switch. Use a

cross

-over Ethernet cable if you are connecting the

gateway directly to a PC

STEP 3

Connect your device to the desired port on the

unit.

STEP 4:

Place or mount the unit. The unit may be placed on a

horizontal surface such as a desktop, mounted on a

DIN-rail, or mounted on the wall.

Wall or Cabinet Mounting

wo metal plates are provided

for mounting the

unit on a wall or inside a cabinet. Attach the

plates to the unit

’

s rear panel with screws. With

the plates attached, use screws to mount the unit

on a wall.

For each screw, the head should be 6.0 mm or

less in diameter, and the shaft should be 3.5 mm

or less in diameter.

DIN-rail Mounting

DIN-rail attachments can be purchased separately to mount the

MGate MB3480 on a DIN-rail. When mounting the unit on a

DIN-rail, make sure that it is oriented with the metal springs on

top.

Wall Mounting

DIN-rail Mounting

– 4 – – 5 – – 6 –

www.moxa.com/support

The Americas:

+1-714-528-6777 (toll-free: 1-888-669-2872)

Europe:

+49-89-3 70 03 99-0

Asia-Pacific:

+886-2-8919-1230

China:

+86-21-5258-9955 (toll-free: 800-820-5036)

Termination Resistor and Adjustable Pull High/Low

Resistors

For some RS-485 environments, you may need to add termination

resistors to prevent the reflection of serial signals. When using

termination resistors, it is important to set the pull high/low

resistors correctly so that the electrical signal is not corrupted. For

each serial port, DIP switches are used for termination resistor and

pull high/low resistor settings. To enable the 120 Ω termination

resistor, set switch 3 on the assigned DIP switch to ON; set it to

OFF (the default setting) to disable the termination resistor. To set

the pull high/low resistors to 150 KΩ (the default setting), set

switches 1 and 2 on the assigned DIP switch to the OFF position;

set them both to ON for 1 KΩ.

MGate MB3480 DIP Switches

Pull High/low Resistors for the RS-485 Port

Pull High

Pull Low

Terminator

1KΩ

120Ω

Default

OFF

150KΩ

---

Software Installation Information

To install MGate Manager, insert the MGate Document &

Software CD into your PC’s CD-ROM drive. Locatje and run the

setup program, wihich will be named

MGM_Setup_[Version]_Build_[DateTime].exe (e.g.,

MGM_Setup_Ver1.1.0_Build_07041910.exe) and follow the

on-screen instructions.

For more information about MGate Manager, please refer to the

MGate MB3000 User’s Manual.

Pin Assignments

Ethernet Port (RJ45)

Signals

Tx+

Tx-

Rx+

Rx-

Serial Port (Male DB9)

RS-232

RS-422/485 (4W)

RS-485 (2W)

DCD

TxD-(A)

---

RxD

TxD+(B)

---

TxD

RxD+(B)

Data+(B)

DTR

RxD-(A)

Data-(A)

GND

DSR

---

RTS

---

CTS

---

Environmental Specifications

Power Requirements

Power Input

12 to 48 VDC

Power Consumption

385 mA@12 VDC, 110 mA@48 VDC

Operating Temperature

0 to 55°C (32 to 131°F)

Operating Humidity

5 to 95% RH

Dimensions (W x D x H)

158 x 33 x 103 mm

6.22 x 1.3 x 40.6 in

Surge Protection

15 KV ESD for serial port

Magnetic Isolation

15 KV for Ethernet

Power Line Protection

4 KV burst (EFT), EN61000-4-4

2 KV surge, EN61000-4-5

Regulatory Approvals

FCC Class A, CE Class A, UL, CUL, TUV

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