Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Product model | 1TGE120021R0610 |
| Hardware revision | HW3 |
| Manufacturer | ABB |
| Product designation | MLink |
| Product category | Communication gateway |
| Application | MNS Digital / compatible motor-management integration |
| Fieldbus protocol | Modbus RTU or Modbus TCP, depending on configuration |
| Ethernet interface | Available on documented Digital Gateway configurations |
| Connection to UMC | Through MTQ22-FBP using the designated Ethernet connection |
| Supply voltage | 24 V DC (19–31 V DC) for the documented Digital Gateway configuration |
| Typical power consumption | 800 mA |
| Maximum power consumption | 1,000 mA |
| Protection rating | IP51 for the documented Digital Gateway configuration |
| Operating temperature | 0 to +55°C |
| Storage temperature | −20 to +70°C |
| Dimensions | 140 × 160 × 165 mm (H × W × D) |
| Weight | Approximately 2.5 kg |
Electrical and mechanical values are from ABB’s Digital Gateway manual. Confirm that the manual’s hardware configuration matches the actual HW3 unit before using these figures for installation or replacement.
Product Overview
The ABB 1TGE120021R0610 HW3 MLink gateway is intended to support data exchange between compatible motor-management equipment and a higher-level control or monitoring system. In an MNS Digital installation, this type of gateway can make motor-related operating information available to supervisory equipment and provide the communications path required by the selected system architecture.
The gateway’s role is communications, not direct motor switching or protection. Motor-control functions remain dependent on the connected motor controller, protective devices, field wiring, and system configuration. For installations using a UMC controller, ABB documentation describes a connection through the MTQ22-FBP interface and a designated Ethernet port. The correct port and topology depend on whether the system uses a redundant or nonredundant arrangement.
The 1TGE120021R0610 HW3 should be identified by both its full order number and hardware revision. A matching model number alone does not confirm that firmware, network configuration, connectors, and the intended gateway application are identical to those of an existing unit.

1TGE120021R0610-HW3
Major Features and Advantages
1. Gateway communication
MLink provides a communications interface for exchanging information between supported equipment and supervisory systems. This is useful where motor-management data needs to be integrated into a wider monitoring or automation architecture.
2. Modbus-based integration
ABB’s Digital Gateway documentation includes Modbus communication to the DCS. Depending on the selected configuration, integration may use serial Modbus RTU or Modbus TCP. Confirm the protocol and physical interface of the installed unit before planning network connections.
3. Integration with motor-management equipment
For the documented MNS Digital arrangement, the gateway connects to a UMC motor controller through an MTQ22-FBP interface. Correct interface hardware and port selection are necessary; this should not be assumed to apply to every installation using the MLink designation.
4. Support for system-level monitoring
When correctly configured, the gateway can provide a communications path for motor status and other supported data to a supervisory system. The available data points and control functions depend on the gateway configuration, connected devices, and control-system mapping.
Typical Applications
- ABB MNS Digital low-voltage motor control centers
- Motor-management data exchange with DCS or SCADA systems
- Modbus-based supervisory monitoring
- Integration of compatible UMC motor controllers
- Maintenance and replacement of existing MLink gateway hardware
Installation and Maintenance
- Verify the label. Confirm 1TGE120021R0610 and hardware revision HW3.
- Check the system architecture. Establish whether the installation is redundant or nonredundant and identify the relevant gateway and interface hardware.
- Confirm power requirements. Use the documentation applicable to the exact unit before connecting the 24 V DC supply.
- Verify the network interface. Confirm whether the required connection uses Modbus RTU, Modbus TCP, or another documented configuration.
- Preserve configuration data. Record IP settings, serial parameters, device addresses, and supervisory-system mappings before replacing the unit.
- Test communications. Verify connectivity, expected data exchange, diagnostic status, and any approved control functions before returning the system to service.
Product Assurance and Procurement Notes
When sourcing ABB 1TGE120021R0610 HW3, request a photograph of the actual nameplate and confirmation of the hardware revision. Ask the supplier to state whether the unit is new, unused surplus, refurbished, or previously installed, and specify what inspection or functional testing has been completed.
Before approving a replacement, compare the network interfaces, system topology, firmware or configuration requirements, and connection to the existing motor-management equipment. Do not rely on generic listings that describe the part as an analog I/O module or auxiliary contact block; ABB identifies this order number as MLink.
Procurement note: The product identity is ABB MLink, order number 1TGE120021R0610, HW3. Confirm the exact system configuration and hardware revision before treating the unit as a direct replacement.
