Moxa Technologies MGate MB3480 Manual de usuario

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MGate MB3480

Quick Installation Guide

Fourth Edition, June 2008

1. 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.

2. Package Checklist

Before installing the MGate MB3480 Modbus gateway, verify that the

package contains the following items:

y1 MGate MB3480 Modbus gateway

yDocument & Software CD

yMGate MB3480 Quick Installation Guide

yProduct Warranty Statement

Optional Accessories

yDK-35A: DIN-rail mounting kit (35 mm)

Notify your sales representative if any of the above items is missing or

damaged.

3. Hardware Introduction

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

ports for transmitting serial data.

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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

On: Power is on and the unit is booting

Red Blinking: IP conflict exists, or DHCP or

BOOTP server did not respond

properly.

On: Power is on and the unit is

functioning normally

Green Blinking: Unit has found by the Location

command in MGate Manager.

Ready

Off Power is off or power error condition exists

Orange 10 Mbps Ethernet connection

Green 100 Mbps Ethernet connection

Link

Off Ethernet cable is disconnected or has a short

Orange Unit is receiving data from device

Green Unit is transmitting data to device

P1, P2,

P3, P4 Off No data is being exchanged with device

4. 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

Two 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.

6.0 mm

3.5 mm

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

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 Ωtermination 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.

P/N: 1802034800011

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MGate MB3480 DIP Switches

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5. 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.

6. Pin Assignments

Ethernet Port (RJ45)

Pin Signals

1 Tx+

2 Tx-

3 Rx+

6 Rx-

Serial Port (Male DB9)

987

Pin RS-232 RS-422/485 (4W) RS-485 (2W)

1 DCD TxD-(A) ---

2 RxD TxD+(B) ---

3 TxD RxD+(B) Data+(B)

4 DTR RxD-(A) Data-(A)

5 GND GND GND

6 DSR --- ---

7 RTS --- ---

8 CTS --- ---

9 --- --- ---

7. Environmental Specifications

Power Requirements

Power Input 12 to 48 VDC

Power Consumption 460 mA@12 VDC, 170 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

Click here for online support:

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)

Reproduction without permission is prohibited.

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