Product Overview
The 2MLL-EFMTB is a Fast Ethernet communication module for the Honeywell MasterLogic-200 series. It enables reliable TCP/IP and UDP/IP data exchange. The module uses CSMA/CD access and supports 10/100 Mbps speeds over 100BASE-TX twisted pair. A software firewall in SoftMaster-NM manages IP settings. This module also supports DHCP for ADSL dynamic IP assignment. It weighs only 0.105 kg.
Technical Specifications
| Brand | Honeywell |
| Model | 2MLL-EFMTB |
| Series | MasterLogic-200 |
| Module Type | 2MLL-EFMT Fast Ethernet |
| Ethernet Standard | IEEE 802.3u |
| Protocols | TCP/IP, UDP/IP |
| Access Method | CSMA/CD |
| Transmission Speed | 10/100 Mbps (auto-negotiation) |
| Physical Layer | 100BASE-TX (twisted pair) |
| Software Firewall | IP address settings in SoftMaster-NM |
| Public Network Access | DNS server and Gateway IP setting |
| Dynamic IP (ADSL) | DHCP protocol |
| Configuration Software | SoftMaster-NM |
| Weight | 0.105 kg |
| Measurement Range | Not applicable (communication module) |
| Frequency Response | Not applicable |
| Sensitivity | Not applicable |
| Linearity | Not applicable |
| Resolution | Not applicable |
| Temperature Range | Standard industrial range (refer to Honeywell datasheet) |
| Environmental Resistance | Conforms to industrial EMC standards |
| Immunity | High noise immunity for factory floors |
Installation Guide
- Power off the MasterLogic-200 rack before inserting the module.
- Align the 2MLL-EFMTB with the backplane slot. Push firmly until it seats.
- Connect a shielded Cat5e cable to the RJ45 port.
- Set IP parameters via SoftMaster-NM. Use the software firewall for access control.
- For ADSL, enable DHCP to obtain a dynamic IP address.
Commissioning and Maintenance
- Verify link status with the front-panel LED indicators.
- Use SoftMaster-NM to read diagnostics and check packet counters.
- No scheduled maintenance required. Keep the module dry and clean.
- Firmware updates are performed via the SoftMaster-NM utility.
Compatibility
The 2MLL-EFMTB works exclusively with the Honeywell MasterLogic-200 series. It also requires SoftMaster-NM configuration software. The module supports standard TCP/IP and UDP/IP stacks. It fits any MasterLogic-200 rack with a free slot.
Certifications
This module meets IEEE 802.3u requirements. It complies with relevant industrial EMC and safety standards. Contact us for the full certificate list.
Packing List
- 2MLL-EFMTB module (1 pc)
- Anti-static protective bag
- Quick reference note (digital)
Warranty and Shipping
All products from Oiltech Controls include a 12-month warranty. We ship via FedEx, UPS, and DHL. Tracking is provided for every order.
Typical Applications
- Factory automation networks
- Process control data links
- Remote I/O communication
- Legacy system upgrades (obsolete control systems)
Diagnostic Capabilities
The module offers link status LEDs and software-based counters via SoftMaster-NM. You can read IP configuration and firewall rules. Packet error statistics help isolate network faults quickly.
Why Buy From Oiltech Controls?
- 15+ years of industrial automation spare parts experience.
- Global shipment support with FedEx, UPS, and DHL.
- Tested industrial surplus and refurbished options available.
- 12-month warranty on every product.
- Technical verification before shipment ensures you get a working unit.
- We support obsolete control systems long after OEM phase-out.
FAQ
Q: Is this module compatible with any Honeywell PLC?
A: It works only with the MasterLogic-200 series.
Q: What software do I need?
A: You need SoftMaster-NM for IP and firewall settings.
Q: Does it support DHCP?
A: Yes, DHCP is supported for ADSL dynamic IP.
Q: What is the warranty?
A: 12 months from the invoice date.
For inquiries, email info@oiltechcontrols.com or call +86 158 8020 0923 (WhatsApp).
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/
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