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MGate MB3180/MB3280/MB3480 Series

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Protocol Gateways  >   Modbus TCP Gateways

1, 2, and 4-port standard serial-to-Ethernet Modbus gateways

Product Feature

  • Supports Auto Device Routing for easy configuration
  • Supports route by TCP port or IP address for flexible deployment
  • Converts between Modbus TCP and Modbus RTU/ASCII protocols
  • 1 Ethernet port and 1, 2, or 4 RS-232/422/485 ports
  • 16 simultaneous TCP masters with up to 32 simultaneous requests per master
  • Easy hardware setup and configuration

Introduction

The MB3180, MB3280, and MB3480 are standard Modbus gateways that convert between Modbus TCP and Modbus RTU/ASCII protocols. Up to 16 simultaneous Modbus TCP masters are supported, with up to 31 RTU/ASCII slaves per serial port. For RTU/ASCII masters, up to 32 TCP slaves are supported.

 

Standard Modbus Network Integration

The three standard MGate™ models (MB3180, MB3280, and MB3480) are designed for easy integration of Modbus TCP and RTU/ASCII networks. With these models, Modbus serial slave devices can be seamlessly incorporated into an existing Modbus TCP network, and Modbus TCP slaves can be made accessible to serial masters. The MB3180, MB3280, and MB3480 offer features that make network integration easy, customizable, and compatible with almost any Modbus network.

 

High Density, Cost-Effective Gateways

The MGate™ MB3000 gateways can effectively connect a high density of Modbus nodes to the same network. The MB3280 can manage up to 62 serial slave nodes, and the MB3480 can manage up to 124 serial slave nodes. Each RS-232/422/485 serial port can be configured individually for Modbus RTU or Modbus ASCII operation and for different baudrates, allowing both types of networks to be integrated with Modbus TCP through one Modbus gateway.

 

Auto-Device Routing for Easy Configuration (Patent Pending)

Moxa’s Auto-Device Routing function helps eliminate many of the problems and inconveniences encountered by engineers who need to configure large numbers of Modbus devices. A single mouse click is all that’s required to set up a slave ID routing table and configure Modbus gateways to automatically detect Modbus requests from a supervisory control and data acquisition (SCADA) system. By removing the need to manually create the slave ID routing table, the Auto-Device Routing function saves engineers significant time and cost.

Ethernet Interface

10/100BaseT(X) Ports (RJ45 connector)

1 (Auto MDI/MDI-X connection)

Magnetic Isolation Protection

1.5 kV (built-in)

Ethernet Software Features

Industrial Protocols

Modbus TCP Client (Master), Modbus TCP Server (Slave)

Configuration Options

Web Console (HTTP), Device Search Utility (DSU), MGate Manager, Telnet Console

Management

ARP, DHCP Client, DNS, HTTP, HTTPS (MGate MB3180 Excluded), SMTP (MGate MB3180 Excluded), SNMP Trap (MGate MB3180 Excluded), SNMPv1/v2c/v3, TCP/IP, Telnet, UDP, NTP Client (MGate MB3180 Excluded)

MIB

RFC1213, RFC1317

Time Management

NTP Client (MGate MB3180 Excluded)

Serial Interface

No. of Ports

MGate MB3180: 1
MGate MB3280: 2
MGate MB3480: 4

Connector

DB9 male

Serial Standards

RS-232/422/485 (software selectable)

Baudrate

50 bps to 921.6 kbps

Data Bits

7, 8

Parity

None, Even, Odd, Space, Mark

Stop Bits

1, 2

Flow Control

DTR/DSR, RTS Toggle (RS-232 only), RTS/CTS

RS-485 Data Direction Control

ADDC® (automatic data direction control)

Pull High/Low Resistor for RS-485

1 kilo-ohm, 150 kilo-ohms

Terminator for RS-485

MGate MB3180: None
MGate MB3280/MB3480: 120 ohms

Serial Signals

RS-232

TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

RS-422

Tx+, Tx-, Rx+, Rx-, GND

RS-485-2w

Data+, Data-, GND

RS-485-4w

Tx+, Tx-, Rx+, Rx-, GND

Serial Software Features

Industrial Protocols

Modbus RTU/ASCII Master, Modbus RTU/ASCII Slave

Modbus (Transparent)

Max. No. of Client Connections

16

Max. No. of Server Connections

32

Power Parameters

Input Voltage

12 to 48 VDC

Input Current

MGate MB3180: 200 mA @ 12 VDC
MGate MB3280: 250 mA @ 12 VDC
MGate MB3480: 385 mA @ 12 VDC

Power Connector

MGate MB3180: Power jack
MGate MB3280/MB3480: Power jack and terminal block

Physical Characteristics

Housing

Metal

IP Rating

IP30

Dimensions (with ears)

MGate MB3180: 22 x 75 x 80 mm (0.87 x 2.95 x 3.15 in)
MGate MB3280: 22 x 100 x 111 mm (0.87 x 3.94 x 4.37 in)
MGate MB3480: 35.5 x 102.7 x 181.3 mm (1.40 x 4.04 x 7.14 in)

Dimensions (without ears)

MGate MB3180: 22 x 52 x 80 mm (0.87 x 2.05 x 3.15 in)
MGate MB3280: 22 x 77 x 111 mm (0.87 x 3.03 x 4.37 in)
MGate MB3480: 35.5 x 102.7 x 157.2 mm (1.40 x 4.04 x 6.19 in)

Weight

MGate MB3180: 340 g (0.75 lb)
MGate MB3280: 360 g (0.79 lb)
MGate MB3480: 740 g (1.63 lb)

Environmental Limits

Operating Temperature

0 to 60°C (32 to 140°F)

Storage Temperature (package included)

-40 to 85°C (-40 to 185°F)

Ambient Relative Humidity

5 to 95% (non-condensing)

Standards and Certifications

Safety

EN 60950-1, UL 60950-1

EMC

EN 55032/24

EMI

CISPR 32, FCC Part 15B Class A

EMS

IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
IEC 61000-4-4 EFT: Power: 1 kV; Signal: 0.5 kV
IEC 61000-4-5 Surge: Power: 1 kV (MB3180/MB3280)
IEC 61000-4-5 Surge: Power: 1 kV; Signal: 2 kV (MB3480)
IEC 61000-4-6 CS: 3 V
IEC 61000-4-8 PFMF
IEC 61000-4-11 DIPs

MTBF

Time

MGate MB3180: 908,440 hrs
MGate MB3280: 749,455 hrs
MGate MB3480: 1,242,173 hrs

Standards

Telcordia SR332

Warranty

Warranty Period

5 years

Details

See www.moxa.com/warranty
Name Type Version Release Date
Datasheet for MGate MB3180/MB3280/MB3480 Series Datasheet V1.0 12 November 2018

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