The Schneider Electric BMENOC0311C is a communication module built for the Modicon M580 range. It plugs into an Ethernet + X-bus rack and turns that rack into a networked control node. With three RJ45 Ethernet ports running at 10/100 Mbit/s over double shielded twisted pair cabling, this module handles plant-floor data traffic without extra hardware.
If you are evaluating this part, the key question is simple: does it fit your architecture and your environment? This buyer's guide walks through the specs that matter, the applications it suits, and what to check before you order.
Three RJ45 ports give you embedded multiport switch functionality. You can daisy-chain devices, mirror traffic for diagnostics, and support RSTP for ring topologies without adding a separate switch. The module also runs Modbus TCP and EtherNet/IP I/O scanning and messaging, so it speaks the two most common industrial Ethernet languages.
Bandwidth management, an FDR server, SNMP administration, and FactoryCast web services round out the feature set. Four LEDs on the front panel report RUN, ERR, ETH MS, and Eth NS status, which speeds up commissioning and fault finding.
Process and hybrid plants. The conformal coating and gas resistance ratings (ISA S71.04 class Gx, IEC 60721-3-3 class 3C4) suit environments with airborne contaminants. That makes this module a practical choice for chemical, water treatment, and food processing lines.
Hazardous areas. ATEX zone 2/22 and IECEx zone 2/22 approvals, plus Class I Division 2, allow installation in areas where standard commercial modules are not permitted.
Marine and offshore. Merchant Navy certification and salt resistance level 2 support use on vessels and coastal installations.
Infrastructure and energy. EN/IEC 61850-3 location G compliance points to substation and power distribution applications where electromagnetic interference is a constant concern.
The module draws power internally from the rack, so no separate supply wiring is needed. Mounting follows standard M580 rack practice. Because the BMENOC0311C supports Modbus TCP and EtherNet/IP, it integrates with SCADA, HMI, and DCS layers that already use those protocols.
When wiring into a managed Ethernet network, confirm cable categories, connector types, and any gateway or connection module requirements with your supplier. Double shielded twisted pair cabling is specified for a reason: it protects signal integrity in electrically noisy plants.
Conformal coating protects the board against moisture, dust, and corrosive gases, which extends service life in harsh settings. Periodic inspection of LED status indicators and RJ45 connections is good practice. Keep the rack within the 0 to 60 °C operating range and follow the manufacturer's safety documentation for hazardous area installations.
Choosing the right communication module the first time avoids unplanned downtime and repeat procurement costs. Genuine parts, fast shipping, and expert selection support from SpareTech Plc keep your M580 system running.
Before ordering, confirm your rack type (BMEXBP Ethernet + X-bus), your product version (13 or above versus below 13) for current consumption planning, and your network protocol requirements. Verify current lifecycle status and availability with SpareTech Plc before ordering.
Contact SpareTech Plc today for pricing and availability.
| Brand Name | |
| Model No. | BMENOC0311C |
| Product Type | Communication module |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
