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Brand: MOXA
Moxa MGate 5111 Modbus/PROFINET to PROFIBUS Gateway
Description
What the MGate 5111 converts between
Moxa describes the MGate 5111 as 1-port Modbus/PROFINET/EtherNet/IP to PROFIBUS Slave gateway, 0 to 60°C operating temperature. A gateway that converts Modbus RTU/ASCII/TCP, PROFINET IO and EtherNet/IP to PROFIBUS slave, so Ethernet-based controllers can reach PROFIBUS devices.
Key figures from the Moxa page: the power input is 12 to 48 VDC; operating temperature is 0 to 60°C (32 to 140°F); dimensions are 45.8 x 105 x 134 mm (1.8 x 4.13 x 5.28 in); weight is 589 g (1.30 lb); the enclosure is rated IP30.
Standards and approvals printed for this model include hazardous-location listings of ATEX; Class I Division 2; IECEx; safety standard EN 62368-1; UL 61010-2-201. Approvals can differ between variants of a series, so check the one on the exact order code.
Technical specifications
| Parameter | Specification |
|---|---|
| Time Management | NTP Client |
| Serial Interface: No. of Ports | 1 |
| Serial Interface: Connector | DB9 male |
| Serial Standards | RS-232/422/485 |
| Data Bits | 7, 8 |
| Stop Bits | 1, 2 |
| Terminator for RS-485 | 120 ohms |
| Serial Interface: Isolation | 2 kV (built-in) |
| Modbus RTU/ASCII: Mode | Master, Slave |
| Modbus RTU/ASCII: Max. No. of Commands | 128 |
| Modbus RTU/ASCII: Input Data Size | 2048 bytes |
| Modbus RTU/ASCII: Output Data Size | 2048 bytes |
| Max. No. of Client Connections | 16 |
| Max. No. of Server Connections | 32 |
| Modbus TCP: Max. No. of Commands | 128 |
| Modbus TCP: Input Data Size | 2048 bytes |
| Modbus TCP: Output Data Size | 2048 bytes |
| PROFIBUS Interface: Industrial Protocols | PROFIBUS DP |
| PROFIBUS Interface: No. of Ports | 1 |
| PROFIBUS Interface: Connector | DB9 female |
| PROFIBUS Interface: Isolation | 2 kV (built-in) |
| PROFIBUS: Mode | DP-V0 Slave |
| Max. No. of Master Connections | 1 |
| Max. No. of PROFIBUS I/O Modules | 24 |
| PROFIBUS: Input Data Size | 244 bytes |
| PROFIBUS: Output Data Size | 244 bytes |
| PROFINET: Mode | IO Device |
| PROFINET: Input Data Size | 512 |
| PROFINET: Output Data Size | 512 |
| EtherNet/IP: Mode | Adapter |
| EtherNet/IP: Input Data Size | 496 bytes |
| EtherNet/IP: Output Data Size | 496 bytes |
| Input Voltage | 12 to 48 VDC |
| Input Current | 416 mA @ 12 VDC |
| Housing | Metal |
| IP Rating | IP30 |
| Weight | 589 g (1.30 lb) |
| EMC | EN 61000-6-2/-6-4 |
| Safety | EN 62368-1; UL 61010-2-201 |
| Hazardous Locations | ATEX; Class I Division 2; IECEx |
| Freefall | IEC 60068-2-32 |
| Shock | IEC 60068-2-27 |
| Vibration | IEC 60068-2-6; IEC 60068-2-64 |
| Warranty Period | 5 years |
Where it fits and what to check
It is useful in plants migrating to Ethernet where legacy PROFIBUS equipment such as drives and analysers remains in service.
On the practical side, the housing is metal; the stated MTBF is 718,131 hrs; the warranty period is 5 years. Treat the MTBF as a manufacturer prediction under its stated method, not a guarantee for your site.
Before ordering, confirm that the unit acts as a PROFIBUS slave (it is not a PROFIBUS master), and the temperature grade. Seven Star LLC is an independent supplier in Muscat and quotes against the exact code you give us.
On the PROFIBUS side the gateway behaves as a DP-V0 slave with up to 24 I/O modules and 244 bytes of input and 244 bytes of output, so a PROFIBUS master sees a single slave node. The Ethernet side offers a PROFINET IO device (512 bytes each way), an EtherNet/IP adapter (496 bytes each way) and Modbus TCP client or server with 2048 bytes of input and output data. The 244-byte PROFIBUS limit is usually what decides whether one gateway is enough for a given tag list, so total your signals first.
Documents and quotation
Download the official Moxa datasheet (moxa-mgate-5111-series-datasheet-v1.3) from this page and send us your order code, quantity and destination for a quotation.
More products in this range: Industrial Communications.
Datasheets & Documents
- Datasheet Moxa MGate 5111 series datasheet v1.3 Download
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About brand
Moxa is the Taiwanese maker of industrial networking equipment: Ethernet switches, serial device servers, protocol gateways, media converters, secure routers and remote I/O. It was founded in Taiwan in 1987 and started with serial communication products before moving into industrial Ethernet. It is headquartered in Taipei.
Seven Star LLC is an independent supplier in Muscat. We list Moxa switches, serial servers, gateways and converters, and supply them to control system integrators, utilities, oil and gas and building automation projects in Oman and the GCC by exact model.
Moxa at a glance
| Established | 1987, Taiwan |
|---|---|
| Headquarters | Taipei, Taiwan |
| First products | Serial communication boards and serial connectivity |
| Product families | Unmanaged, managed and rackmount industrial Ethernet switches, serial device servers, Modbus and fieldbus gateways, media converters, serial converters, secure routers, remote I/O and industrial computers |
Moxa products we list
| Family | Models | Typical use |
|---|---|---|
| Unmanaged switches | EDS-205A, EDS-208A, EDS-2008-EL, EDS-2010-ML, EDS-308, EDS-316, EDS-G2005-EL, EDS-G205, EDS-G308, EDS-P206A PoE | Simple plug-and-play networks inside control panels |
| Managed switches | EDS-405A, EDS-408A, EDS-508A, EDS-510A, EDS-510E, EDS-518A, EDS-528E, EDS-G508E, EDS-G509, EDS-G512E, ICS-G7528A rackmount | Redundant ring networks, VLANs and diagnostics for SCADA and DCS |
| Serial device servers | NPort 5110A, 5150A, 5210A, 5250A, 5410, 5450, 5610-8, 5650-8, 6150, IA5150A | Putting RS-232/422/485 devices on an Ethernet network |
| Protocol gateways | MGate MB3180, MB3170, MB3280, MB3270, 5101-PBM-MN, 5105-MB-EIP, 5109 DNP3, 5114 IEC 104 | Linking Modbus RTU/TCP, PROFIBUS, EtherNet/IP, DNP3 and IEC 60870-5-104 systems |
| Converters, routers and I/O | IMC-21A, IMC-101, IMC-21GA, TCF-142, TCC-100, TCC-80, TCC-120, EDR-G9010 router, ioLogik E2210 | Fibre links over long distances, serial conversion, network security and remote I/O |
The choice between switch types follows the network. An unmanaged switch simply forwards traffic and suits a small, isolated panel. A managed switch adds redundancy protocols (Moxa's Turbo Ring recovers a broken ring in milliseconds), VLANs to separate traffic, port mirroring and alarms, which a SCADA or DCS network needs. The suffix on a Moxa model also matters: "-T" means a wide operating temperature range (typically -40 to 75 °C), which is the safe choice for outdoor cabinets in the Gulf summer. "-MM-SC" or "-S-SC" means multi-mode or single-mode fibre with SC connectors.
Where Moxa products are used
In Oman and the GCC, Moxa equipment connects RTUs, PLCs, meters and protection relays in oil and gas fields, electrical substations, water and wastewater SCADA, transport, and building and energy management systems.
Ordering Moxa products: what we need
Send the complete model including all suffixes (for example EDS-508A-MM-SC-T), the quantity, and for fibre models the fibre type and distance. For gateways, tell us which two protocols need to be linked.
Facts checked against Moxa company information, October 2026.
Browse MOXA products by category: Industrial Communications.
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Frequently Asked Questions
What is the Moxa MGate 5111?
Moxa lists it as: 1-port Modbus/PROFINET/EtherNet/IP to PROFIBUS Slave gateway, 0 to 60°C operating temperature. A gateway that converts Modbus RTU/ASCII/TCP, PROFINET IO and EtherNet/IP to PROFIBUS slave, so Ethernet-based controllers can reach PROFIBUS devices.
What power supply does the MGate 5111 need?
The Moxa specification gives an input voltage of 12 to 48 VDC. Check the terminal arrangement and, where relevant, the redundant-input wiring against your panel supply before ordering.
What operating temperature range applies to the MGate 5111?
The listed operating temperature is 0 to 60°C (32 to 140°F). Wide-temperature versions carry a -T suffix in Moxa's order codes where the series offers them, and they are separate order codes.
Which protocols does the MGate 5111 convert?
Per Moxa's description, it is a 1-port Modbus/PROFINET/EtherNet/IP to PROFIBUS Slave gateway. Industrial protocols listed on the Ethernet side: Modbus TCP Client (Master); Modbus TCP Server (Slave); PROFINET IO Device; EtherNet/IP Adapter.
Where is the MGate 5111 datasheet and how do I ask for a quotation?
You can download the Moxa datasheet from this page. For a quotation, send us the full order code, quantity and destination; Seven Star LLC is an independent supplier based in Muscat.
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