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Schneider BMXNOM0200 Modicon X80 2-Port RS232 RS485 Serial Communication Module
| Place of Origin | USA |
| Brand Name | Schneider Electric |
| Model Number | BMXNOM0200 |
Product Overview
The Schneider BMXNOM0200 is a Modicon X80 serial communication module providing two configurable RS-232 or RS-485 communication ports. It supports Modbus communication and character-mode data exchange.
The module is used in Modicon M340 and compatible X80 systems that need to communicate with serial devices such as drives, energy meters, barcode readers, weighing equipment, printers, protocol converters and legacy controllers.
Each application must be checked for the correct electrical interface, baud rate, parity, data format, Modbus addressing and character-mode framing. The BMXNOM0200 is not an Ethernet communication module.
Main Features
- Exact commercial reference: BMXNOM0200
- Modicon X80 serial communication module
- Two configurable serial communication ports
- RS-232 communication support
- RS-485 communication support
- Modbus communication mode
- Character communication mode
- Suitable for point-to-point and multidrop serial architectures
- Compatible with supported M340 and X80 rack systems
- Configured through EcoStruxure Control Expert
- Older projects may use Unity Pro
- Port mode and protocol settings are configured independently
- Terminal block, cable and pinout must be verified
- Firmware compatibility must be checked before replacement
Technical Specifications
| Model | BMXNOM0200 |
| Series | Modicon X80 |
| Product Type | Serial Link Communication Module |
| Platform Scope | Modicon M340 and compatible X80 architectures |
| Number of Serial Ports | 2 |
| Electrical Interfaces | RS-232 or RS-485 configuration |
| Communication Modes | Modbus and Character Mode |
| Network Architecture | Point-to-point or compatible multidrop serial networks |
| Port Configuration | Verify interface, baud rate, parity, data bits and stop bits |
| Modbus Configuration | Verify master or slave role, address and timing requirements |
| Character Mode | Verify start, end and framing characters against the connected device |
| Rack Installation | Compatible X80 rack slot |
| Engineering Software | EcoStruxure Control Expert |
| Legacy Engineering Environment | Older applications may use Unity Pro |
| Firmware | Confirm the installed revision and project compatibility |
| Terminal and Cable | Confirm terminal block, connector, pinout, shielding and cable type |
| Supply Status | Regional availability varies; confirm before quotation |
Compatible System and Applications
The BMXNOM0200 is suitable for serial communication with Modbus drives, motor controllers, meters, weighing systems, barcode scanners, printers, protocol converters and legacy automation equipment.
RS-485 is commonly used for compatible multidrop Modbus networks, while RS-232 may be used for shorter point-to-point connections. The actual interface and topology must match the connected device.
Character mode can be used for devices that exchange custom ASCII or binary data rather than standard Modbus messages. Message framing and application logic must be restored from the original Control Expert project.
Maintenance and Replacement Notes
Verify the complete BMXNOM0200 reference and the exact rack-slot configuration before replacement.
Record both port configurations, including RS-232 or RS-485 mode, baud rate, parity, stop bits, Modbus address, master or slave role and character-mode framing.
The existing cable, terminal block and connector pinout must be checked. Incorrect RS-232 or RS-485 wiring can prevent communication or damage connected interfaces.
After replacement, test each port independently and verify communication with every connected serial device.
Related Models
Related communication products include BMXNOC0401 for EtherNet/IP and Modbus TCP, BMXNOE0100 for standard Modbus TCP Ethernet communication and BMXNOE0110 for FactoryCast Ethernet functions.
BMXNOR0200H is an RTU and telemetry-oriented communication module with an H harsh-environment suffix and should be handled as a separate specialized product.
Inquiry and Supply Notes
Please provide the complete module reference, CPU and rack models, slot position, firmware, port-by-port RS-232 or RS-485 configuration, baud rate, Modbus addresses, connected-device list and cable information.
Terminal-block inclusion, connector condition, firmware compatibility, port testing, product condition, regional availability and delivery time must be confirmed before quotation.
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