MGate 5103

MGATE 5103-TMGATE 5103


MGate 5103 - 1 Port Modbus RTU/ASCII/TCP/EtherNet/IP to PROFINET Gateway

5 Year Warranty

These products come with a standard five year manufacturer warranty.

Extended Wide Temperature

These products utilise high quality industrial grade components enabling them to work in extended wide temperature environments. They are capable of running below -20C and above +70C and offer further protection than standard wide temperature rated products.

Wide Voltage

These devices and systems have been designed to accept a wide voltage DC power input. This feature is desirable in the industrial market where a fixed voltage level or mains AC power cannot be guaranteed.

DIN-rail mountable

These devices have been designed to be mounted directly on to an industry standard DIN-rail.


This product fully adheres to the Restriction of Hazardous Substances Directive 2002/95/EC, RoHS for short.  The directive covers the restriction of use of certain hazardous substances in electrical and electronic equipment and was adopted in February 2003 by the European Union.


CE is a mandatory standard for products on the market in the European Economic Area. By CE marking a product, the manufacturer ensures that the item meets the essential safety requirements set out in the applicable CE directive.

FCC Approved

The Federal Communications Commission (FCC) is an independent agency of the United States government that sets standards and governs the testing of conducted and radiated emissions such as EMI.


Underwriters Laboratories (UL) is an independent product safety certification organisation based in the United States. UL develops standards for products, materials, components, assemblies, tool and equipment, mainly dealing with product safety.

ATEX approved

ATEX is the name commonly given to the European Directive 94/9/EC, also known as ATEX 95 or ATEX Equipment Directive. The regulation applies to all equipment intended for use in explosive atmospheres, whether electrical or mechanical, including protective systems. There are two categories of equipment 'I' for mining and 'II' for surface industries. The directive covers a large range of equipment, potentially including electrical equipment used on fixed offshore platforms, in petrochemical plants, mines, flour mills and other areas where a potentially explosive atmosphere may be present.

Class 1 Division 2 Certified

The National Electrical Code (NEC) defines hazardous environments as areas “where fire or explosion hazards may exist due to flammable gases, vapours, liquids, dust or particles”. When such materials are found in the atmosphere of an area, a potential for explosion exists, which could be ignited if an electrical or other source of ignition is present. As defined by the classification authorities, certified devices are suitable for installation and operation within a Class 1, Division 2 environment. Class 1 environments are areas where there is a presence of flammable gases or vapours in the air, such as natural gas or petroleum vapour. Facilities including oil rigs, refineries, gas plants and automotive repair centres all fall within this category.


Certified to standards relating to equipment for use in applications subject to explosive atmospheres.

MGate 5103 : IN STOCK : Modbus to PROFINET Gateway
MGate 5103 Front
Featured in:Moxa Fieldbus

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MGATE 5103

MGate 5103 with standard operating temperature (0°C to +60°C)

2 in stock
Next day delivery i
MGATE 5103-T

MGate 5103 with extended operating temperature (-40°C to +75°C)


DB9 Female to DB9 Male Serial Cable, 150cm

3 in stock
Next day delivery i

Mini Female DB9 to Terminal Block

53 in stock
Next day delivery i

DB9 Female to DB9 Male Serial Cable, 20cm


Non-locking Barrel Plug to Bare Wires


8-pin RJ45 to DB9 Female Cable (150mm)


RJ45 to DB9 Female Serial Shielded Cable, 150cm length


MGate 5103 DIN-rail Mounting Kit


Wall-mounting Kit, 36mm wide

* Lead time is indicative and is subject to change at time of ordering. Next business day delivery on in-stock products only (when ordered before 3pm).
** Contact us for quantity or project pricing.
† Additional delivery charge may be incurred for certain postcodes (calculated at checkout)
Impulse is an official Moxa distributor
Direct UK RMA
Free technical support
Moxa Certified Trainers
Impulse is an Official UK Moxa Distributor and part of the Moxa Technical College with in-house specialists, including:
  • Moxa Certified Engineers for assistance with network topology design and installation support for your project
  • Moxa Certified Trainers offering you specialised technical training in all Moxa products, saving valuable time and money when designing and supporting Moxa technology in your next project
Impulse has over 7 years of experience of supplying and supporting Moxa products in the UK, offering:
  • Industry insight and technology know-how for your specific industry and applications
  • First line pre- and post-sales technical and sales support over the lifetime of your project
  • Fast and direct RMA and repair support with in-house testing and diagnostics

MGate 5103 overview


The MGate 5103 from Moxa is an industrial Ethernet gateway, DIN-rail mountable ruggedised and certified for use in hazardous locations(ATEX Zone 2, Class 1 Division 2) the MGate 5103 converts Modbus RTU/ASCII/TCP or EtherNet/IP to PROFINET-based network communications for the integration of existing Modbus devices into a PROFINET network. You can use the MGate 5103 as a Modbus master/slave or EtherNet/IP adapter to collect and exchange data with PROFINET devices.

The MGate 5103 series comes with a Quick Setup guide to make configuration easy. Using Quick Setup you can access protocol conversion modes and complete the set up in just a few steps. The MGate 5103 also supports a GSDML export function allowing GSDML files to be imported into PROFINET PLCs to save time on PLC configuration.

For more information about the MGate 5103 Ethernet gateway device please contact our technical sales team on +44 (0)1782 337 800 or alternatively submit an enquiry.

  • Protocol conversion between Modbus RTU/ASCII/TCP or EtherNet/IP and PROFINET
  • 2x RJ45 Ethernet ports
  • 1x RS-232 serial console RJ45 port
  • 1x RS-232/422/485 DB9 serial port
  • MicroSD card support up to 32GB for configuration backup and event logging
  • Built-in Ethernet cascading for easy wiring
  • Embedded traffic monitoring and diagnostic tools
  • Redundant dual DC power inputs and relay output supported
  • Effortless configuration via web-based wizard
  • Security features based on IEC 62443
  • Wide 12V to 48V DC power input
  • Extended -40°C to +75°C operating temperature option (on -T version)
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