MGate 5103 Series​


  • Converts Modbus, or EtherNet/IP to PROFINET
  • Supports PROFINET IO device
  • Supports Modbus RTU/ASCII/TCP master/client and slave/server
  • Supports EtherNet/IP Adapter
  • Effortless configuration via web-based wizard
  • Built-in Ethernet cascading for easy wiring
  • Embedded traffic monitoring/diagnostic information for easy troubleshooting
  • microSD card for configuration backup/duplication and event logs
  • Status monitoring and fault protection for easy maintenance
  • Serial port with 2 kV isolation protection
  • -40 to 75C wide operating temperature models available
  • Supports redundant dual DC power inputs and 1 relay output
  • Security features based on IEC 62443


The MGate 5103 is an industrial Ethernet gateway for converting Modbus RTU/ASCII/TCP or EtherNet/IP to PROFINET-based network communications. To integrate existing Modbus devices onto a PROFINET network, use the MGate 5103 as a Modbus master/slave or EtherNet/IP adapter to collect data and exchange data with PROFINET devices. The latest exchange data will be stored in the gateway. The gateway will convert stored Modbus or EtherNet/IP data into PROFINET packets so the PROFINET IO Controller can control or monitor field devices.

Easy Configuration via Web Console

The MGate 5103 Series comes with an illustrated Quick Setup guide designed to make configuration easy. With Quick Setup, you can easily access protocol conversion modes and finish the configuration in a few steps. The MGate 5103 Series also supports a GSDML export function. GSDML files can be imported into PROFINET PLCs to save time on PLC configuration.

Modbus RTU/ASCII/TCP Protocol Traffic Monitor

MGate 5103 gateways support Modbus RTU/ASCII/TCP Protocol Traffic Monitor for easy troubleshooting, especially during the installation stage. Communication issues could be caused by incorrect software parameters, such as slave IDs and register addresses, that were entered incorrectly, or an incorrect command configuration. With Modbus RTU/ASCII/TCP Protocol Traffic Monitor, you can check the captured data and easily identify the root cause.

Maintenance Functions

MGate 5103 gateways support a system log function that records events in the MGate; users can easily review log data remotely through the web console. The gateways also support status monitoring and fault protection functions. The status monitoring function notifies a PLC/DCS/SCADA system when a Modbus device gets disconnected or does not respond, in which case the process PLC/DCS gets the status of each end device and then issues alarms to notify operators.

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Additional information

Ethernet Software Features

Industrial Protocols
PROFINET IO Device, Modbus TCP Client (Master), Modbus TCP Server (Slave), EtherNet/IP Adapter

Configuration Options
Web Console (HTTP/HTTPS), Device Search Utility (DSU), Telnet Console

ARP, DHCP Client, DNS, HTTP, HTTPS, SMTP, SNMP Trap, SNMPv1/v2c/v3, TCP/IP, Telnet, SSH, UDP, NTP Client

RFC1213, RFC1317

Time Management
NTP Client

Serial Interface

Console Port
RS-232 (TxD, RxD, GND), 8-pin RJ45 (115200, n, 8, 1)

No. of Ports

DB9 male

Serial Standards

50 bps to 921.6 kbps

Data Bits
7, 8

None, Even, Odd, Space, Mark

Stop Bits
1, 2

Flow Control
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
120 ohms

2 kV (built-in)

Power Parameters

Input Voltage
12 to 48 VDC

Input Current
455 mA @ 12 VDC

Power Connector
Screw-fastened Euroblock terminal

Enviromental Limits

Operating Temperature
MGate 5103: 0 to 60°C (32 to 140°F)
MGate 5103-T: -40 to 75°C (-40 to 167°F)

Storage Temperature (package included)
-40 to 85°C (-40 to 185°F)

Ambient Relative Humidity
5 to 95% (non-condensing)