Software Modules
MLink includes various software modules based on its initial configuration. These software modules are available upon request.
The following software modules are offered:
- Web Server
- OPC Server (DA & AE)
- Fieldbus
- Time Synchronization
- Redundant Operation
If a specific module is not present in your MLink device and is required, please contact your local ABB LVS Sales organization.
Web Server
A Web Server can be activated within MLink. Through a network connection, web interface information can be displayed on MView or a PC using web browser software. For detailed information about the Web Interface, refer to the document:
MNS iS Interface Manual Web Interface.
MNS iS Interface Manual Web Interface.
OPC Server
With MNS iS, an OPC Server (DA & AE) is available. This software is typically installed on a server as part of the automation control system. The software installation program is provided separately. When activated, MLink functions as a data provider for the MNS iS OPC Server. For details about the OPC Server, see the document:
MNS iS Interface Manual OPC Server.
MNS iS Interface Manual OPC Server.
Fieldbus
MLink can incorporate Fieldbus communication to DCS. The specific type of Fieldbus must be selected when ordering the MLink. Fieldbus-specific information (PROFIBUS, MODBUS, etc.) can be found in the following documents:
- MNS iS Interface Manual Profibus
- MNS iS Interface Manual Modbus
- MNS iS Interface Manual Profinet IO
Internal communication between MLink and MControl occurs via the switchgear bus. The wiring is located within the MNS iS cubicle. The bus cable connects to the blue Sub-D 9 terminal located on the upper front part of the MLink device. No configuration is required for this internal communication.
When using managed switches or routers in the Ethernet network, ensure that sent ARP messages are allowed to pass through.
Background: After a reboot, MLink 1TGE120021 will send a Gratuitous ARP (Address Resolution Protocol) message to force all connected Ethernet devices to update their internal ARP tables. This special ARP message maps the network layer address (IP address) to a specific link layer address (MAC address). This ARP table refresh is necessary to establish Ethernet communication.

1TGE120021R0110 ABB pdf
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