Honeywell 2MLL-DMEB DeviceNet Master Interface Module

Applications

• Factory Automation: Connects compatible DeviceNet devices to a central PLC control system.

• Distributed I/O Systems: Supports communication with compatible remote I/O devices on a DeviceNet network.

• Machine Control: Facilitates data exchange with supported sensors, actuators, motor starters, and other automation equipment.

• Material Handling: Supports network communication in compatible conveyor and material-handling systems.

• Industrial Equipment Integration: Helps integrate DeviceNet-compatible equipment into a MasterLogic-200 control architecture.

• System Maintenance: Provides a replacement or spare-parts option for installations using the verified 2MLL-DMEB model.

Advantages

• DeviceNet Master Function: Manages communication with compatible DeviceNet slave devices.

• 500 kbps Communication: Supports DeviceNet network speeds up to 500 kbps, depending on network conditions and configuration.

• PLC Network Integration: Connects a compatible MasterLogic PLC with supported field-level devices.

• Dedicated Configuration Software: Uses Honeywell's N-Configurator for network settings such as station numbers and communication parameters.

• Engineering Software Support: Works within a PLC programming environment using Honeywell SoftMaster, alongside the applicable network configuration tools.

• Compact Module Format: The supplied dimensions are 120 × 25 × 110 mm, making it suitable for compatible PLC rack installations.

Technical FAQs

Q1: What is the Honeywell 2MLL-DMEB used for?

It serves as a DeviceNet master interface, allowing a compatible Honeywell PLC to communicate with supported DeviceNet network devices.

Q2: What communication speed does the 2MLL-DMEB support?

The model is specified for DeviceNet communication up to 500 kbps. The achievable speed depends on network configuration and the capabilities of connected devices.

Q3: Is the 2MLL-DMEB a master or slave module?

It is a master-only interface module. Verify the intended network architecture and the roles supported by connected devices before commissioning.

Q4: Which PLC family supports the 2MLL-DMEB?

The module is documented for Honeywell MasterLogic-200 systems, including compatible 2MLK and 2MLI controller bases. Check the specific installation manual for supported configurations.

Q5: What software is used to configure the module?

Honeywell's N-Configurator is used to set network parameters, including station number, communication speed, and network configuration. SoftMaster is used for PLC programming.

Q6: What is an EDS file, and why is it important?

An Electronic Data Sheet (EDS) describes a DeviceNet device's identity and communication characteristics. The appropriate EDS file helps configuration software identify and configure compatible network devices.

Q7: Can the 2MLL-DMEB communicate with third-party DeviceNet devices?

It can communicate with compatible DeviceNet devices, provided their communication profiles, configuration, and supported functions meet the requirements of the network.

Q8: How many communication modules can be installed in one PLC system?

The module guide describes installation limits that depend on the controller and configuration. Check the applicable manual before determining the number of DeviceNet and other communication modules that can be installed.

Q9: What should be checked if DeviceNet communication fails?

Check network wiring, cable length, termination, node addresses, baud-rate settings, device power, configuration files, and module diagnostics.

Q10: Is the 2MLL-DMEB interchangeable with the 2MLL-DMEA?

Do not assume they are interchangeable solely because their model numbers are similar. Compare the nameplate, hardware revision, network specifications, and official compatibility information before replacement.