MGate 5121-T
MGate 5121 Series1-port CAN-to-Modbus TCP gateways
- Simultaneous protocol conversions from CANopen, J1939, and proprietary CAN (CAN 2.0A/B) to Modbus TCP and SNMP
- Supports Modbus TCP Server (Slave) and SNMP Agent
- Supports CANopen master, J1939, and proprietary CAN (CAN 2.0A/B)
- Flexible deployment with Ethernet cascading and dual subnet
- Embedded traffic monitoring/diagnostic information for easy troubleshooting
- Easy device configuration via a web-based console
- microSD card for configuration backup/duplication
- Supports dual redundant DC power inputs and 1 relay output
- CAN port with 2-kV isolation protection
- Compliance with IEC 62443-4-2 Security Level 2 requirements
- -40 to 75°C wide operating temperature models available
Certifications UL Listed · CE
Ships from and sold by A5 IT, an authorized Moxa reseller.
Specifications
Ethernet Interface
- 10/100BaseT(X) Ports (RJ45 connector)
- 2 Auto MDI/MDI-X connection
- Magnetic Isolation Protection
- 1.5 kV (built-in)
Ethernet Software Features
- Industrial Protocols
- Modbus TCP Client
- Configuration Options
- Web Console (HTTPS) Device Search Utility (DSU)
- Management
- ARP DHCP Client DNS HTTP HTTPS SMTP SNMP Trap SNMPv1/v2c/v3 TCP/IP UDP
- MIB
- RFC1213
- Time Management
- NTP Client
Security Functions
- Authentication
- Local database
- Encryption
- HTTPS AES-128 AES-256 SHA-256
- Security Protocols
- SNMPv3 SNMPv2c Trap HTTPS (TLS 1.3)
CAN Interface
- No. of Ports
- 1
- Connector
- Spring-type Euroblock terminal
- Standards
- ISO 11898-2
- Baudrate
- CANopen, proprietary CAN: 10 kbps, 20 kbps, 50 kbps, 125 kbps, 250 kbps, 500 kbps, 800 kbps, 1 Mbps J1939: 250 kbps, 500 kbps, 1 Mbps
- Terminator
- 120 ohms software configurable
- Signals
- CAN_H, CAN_L, GND, Ext_CAN_H, Ext_CAN_L, CAN_Shield
CAN Software Features
- Industrial Protocols
- CANopen J1939 Proprietary CAN (CAN 2.0A/B)
CANopen
- Mode
- Master
- Max No. of Nodes
- 64
- Max No. of Receive PDOs
- 256
- Max No. of Transmit PDOs
- 256
- SDOs
- Supported
- Input Data Size
- 2048 bytes
- Output Data Size
- 2048 bytes
J1939
- Max. No. of Commands
- 256
- Total Input Data Size
- 2048 bytes
- Total Output Data Size
- 2048 bytes
Proprietary CAN
- Frame Format
- CAN 2.0A CAN 2.0B
- Max. No. of Transactions
- 256
- Input Data Size
- 2048 bytes
- Output Data Size
- 2048 bytes
Modbus TCP
- Mode
- Server
- Functions Supported
- 1, 2, 3, 4, 5, 6, 15, 16, 23
- Max. No. of Client Connections
- 16
- Total Input Data Size
- 2048 bytes
- Total Output Data Size
- 2048 bytes
Memory
- microSD Slot
- Up to 32 GB (SD 2.0 compatible)
Power Parameters
- Input Voltage
- 12 to 48 VDC
- Input Current
- 455 mA (max)
- Power Connector
- Spring-type Euroblock terminal
Relays
- Contact Current Rating
- Resistive load: 2 A @ 30 VDC
Physical Characteristics
- Housing
- Metal
- IP Rating
- IP30
- Dimensions
- 25 x 90 x 129.6 mm (0.98 x 3.54 x 5.1 in)
- Weight
- 294 g (0.65 lb)
Environmental Limits
- Operating Temperature
- -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)
Standards and Certifications
- Safety
- EN 61010-2-201 UL 61010-2-201
- EMC
- EN 61000-6-2/-6-4
- EMI
- FCC Part 15B Class A
- EMS
- IEC 61000-4-2 ESD: Contact: 8 kV; Air: 15 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m IEC 61000-4-4 EFT: Power: 4 kV; Signal: 2 kV IEC 61000-4-5 Surge: Power: 2 kV; Signal: 2 kV IEC 61000-4-6 CS: 150 kHz to 80 MHz: 10 V/m; Signal: 10 V/m IEC 61000-4-8 PFMF
- Freefall
- IEC 60068-2-31
- Shock
- IEC 60068-2-27
- Vibration
- IEC 60068-2-6 IEC 60068-2-64
MTBF
- Time
- 1,408,984 hrs hrs
- Standards
- Telcordia Standard SR-332
Warranty
- Warranty Period
- 5 years
- Details
- See www.moxa.com/warranty
Documentation
| Name | Type | Version | Date |
|---|---|---|---|
| Software Package for MXview One Series (Linux version)552.6 MB | Software Package | v1.7.2 | May 08, 2026 May 08, 2026 Release notes |
| Software Package for MXview One Series (Windows version)249.1 MB | Software Package | v1.7.2 | May 08, 2026 May 08, 2026 Release notes |
| Moxa CLI Configuration Tool (Windows)2.1 MB | Utility | v1.6 | Feb 02, 2026 Feb 02, 2026 Release notes |
| Moxa CLI Configuration Tool (Linux)11.3 MB | Utility | v1.6 | Feb 02, 2026 Feb 02, 2026 Release notes |
| Device Search Utility (installer)236.2 MB | Utility | v3.1 | Nov 17, 2025 Nov 17, 2025 Release notes |
| Device Search Utility (portable)128.6 MB | Utility | v3.1 | Nov 17, 2025 Nov 17, 2025 Release notes |
| MXconfig Plugin1.8 MB | Software Package | v1.8 | Oct 02, 2025 Oct 02, 2025 Release notes |
| MXview One plugin (Windows)22.6 MB | Software Package | v1.8 | Oct 01, 2025 Oct 01, 2025 Release notes |
| MXview One plugin (Linux)21.7 MB | Software Package | v1.8 | Oct 01, 2025 Oct 01, 2025 Release notes |
| Moxa CLI Configuration Tool (Windows)2.0 MB | Utility | v1.5 | Jul 30, 2025 Jul 30, 2025 Release notes |
| Firmware for MGate 5121 Series18.1 MB | Firmware | v2.0 | Jan 10, 2025 Jan 10, 2025 Release notes |
| MXconfig Plugin3.6 MB | Software Package | v1.7 | Nov 11, 2024 Nov 11, 2024 Release notes |
| MXconfig plugin (non-Java version)1.8 MB | Software Package | v1.6 | Nov 11, 2024 Nov 11, 2024 Release notes |
| MXview Plugin41.7 MB | Software Package | v1.6 | Oct 04, 2024 Oct 04, 2024 Release notes |
| MXview Plugin40.8 MB | Software Package | v1.5 | Jun 12, 2024 Jun 12, 2024 Release notes |
| MXview plugin32.8 MB | Software Package | v1.4 | Jun 30, 2023 Jun 30, 2023 Release notes |
| MXconfig plugin2.4 MB | Software Package | v1.4 | Jun 30, 2023 Jun 30, 2023 Release notes |
| MIB file for MGate 5121 Series17.4 KB | Software Package | v1.0 | Jun 30, 2023 Jun 30, 2023 Release notes |
| Device Search Utility2.2 MB | Utility | v2.7 | Jun 28, 2023 Jun 28, 2023 Release notes |
| Tech Note: The Security Hardening Guide for MGate 5000 Series1.4 MB | Tech Note | v2.5 | Mar 23, 2026 |
| Moxa CLI Configuration Tool User Manual850.9 KB | Manual | v2.5 | Feb 12, 2026 |
| Datasheet for MGate 5121 Series1.5 MB | Datasheet | v2.2 | Dec 03, 2025 |
| Device Search Utility v3.x User Manual2.8 MB | Manual | v1.1 | Nov 17, 2025 |
| FOSS Statement for MGate 5121, 5122, 5123 Series957.7 KB | Declaration | v2.0 | Jan 10, 2025 |
| Manual for MGate 5121 Series2.5 MB | Manual | v1.1 | Jan 10, 2025 |
| QIG for MGate 5121 Series4.0 MB | QIG | v1.1 | Jan 10, 2025 |
| FOSS Statement for Moxa CLI Configuration Tool114.6 KB | Declaration | v1.0 | Dec 10, 2024 |
| FOSS Statement for Device Search Utility161.8 KB | Declaration | v1.0 | Jun 24, 2024 |
| Tech Note: Configuring and Monitoring with MXview One/MXview and MXconfig (non-java and java) Plugins2.1 MB | Tech Note | v1.0 | May 07, 2024 |
| Declaration of Conformity for MGate 5121/5122/5123 Series303.0 KB | Declaration | v1.0 | Apr 03, 2024 |
