Eaton MPB2-TP

Product Introduction​
Eaton MPB2-TP is an internal multi-protocol communication expansion card developed for Eaton Moeller XV series micro panels, including XV400 and compatible XV HMI platforms. The card provides one dedicated Siemens MPI interface and one configurable COM interface, enabling direct data exchange between the touch panel and multiple PLC brands without external protocol gateways.
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Description
Technical Specifications​
Compatible HMI platforms: Eaton XV series, XV400 micro panel and selected XV200 or equivalent panels
Communication interfaces: one MPI DB9 port, one COM DB9 port
COM physical standards: RS232, RS422, RS485, TTY through driver and jumper configuration
MPI physical standard: RS485-based Siemens MPI
Supported protocols: Siemens MPI, Modbus RTU, SUCONET, with BCI 1.0 and BCI 2.0 driver support
MPI baud rates: 19.2 kbps and 187.5 kbps for SIMATIC S7 connection
SUCONET transmission rate: up to 375 kbps depending on network configuration
Indicators: ACTIV communication activity LED, ERROR fault LED
Power supply: derived from HMI mainboard or internal backplane slot, no separate external power required
Standard operating temperature: 0 °C to +55 °C
Extended XV400 configuration operating temperature: 0 °C to +60 °C
Humidity: 5% to 95% non-condensing
Dimensions: 110 mm width, 20 mm height, 140 mm depth for standard card version
Protection classification: IP20 for internal panel installation
Electrical isolation: galvanic separation on serial circuits according to card configuration
Functional Features​
Native Siemens MPI connection supports direct communication with S7-300, S7-400 and S7-200 MPI ports. The COM port supports multiple serial standards for Modbus RTU, SUCONET and additional PLC drivers. Flash-based firmware stores standard and alternative driver images. Front LEDs provide immediate diagnosis of bus activity and transmission failure. Onboard RS485 termination can be enabled for network end nodes.
Application Scenarios​
Packaging lines, printing machines, textile machinery, water-treatment pump and fan control, material handling systems, assembly lines, HVAC panels, and retrofit projects requiring Eaton XV HMI integration with Siemens, Modbus or SUCONET controllers.
Performance Parameters​
MPI port delivers deterministic S7 data polling at 19.2 kbps or 187.5 kbps. COM port performance depends on selected physical layer, protocol driver and cable length. RS485 communication supports long-distance serial links with shielded cable; RS232 is suitable for short-distance point-to-point service. SUCONET operation supports up to 375 kbps on compliant Eaton Moeller networks.
Material Composition​
Printed circuit board with surface-mount communication components, DB9 connector brackets, plastic insulator housing, metal shielding elements where required, and LED lenses for status indication.
Structural Characteristics​
Plug-in internal card with two DB9 interface positions, MPI transceiver section, configurable COM transceiver section, flash memory for drivers, LED indicators, jumper or software-selectable termination, and backplane power connector for XV panel installation.
Working Principle​
The HMI processor sends tag and screen communication requests to the MPB2-TP firmware. The COM section converts signals to RS232, RS422, RS485 or TTY and encodes the selected protocol such as Modbus RTU or SUCONET. The MPI section converts HMI requests to Siemens MPI frames over RS485 and exchanges data with the connected S7 PLC. Received responses are returned to the HMI application for display, logging and control.
Installation Requirements​
Install the card in the designated internal communication slot of the XV HMI. Power down the panel before insertion or removal. Connect the MPI DB9 cable to the Siemens PLC MPI port using correct pin assignment. Configure the COM port physical standard, protocol, station address and baud rate in the HMI communication driver. Enable RS485 termination only at network end nodes. Use shielded serial cables with continuous ground connection through metal connectors.
Usage Precautions​
Do not operate the card outside the HMI enclosure specification. Verify MPI and COM ports are not assigned to conflicting protocols on the same physical link. Replace firmware only with Eaton-approved BCI driver files. Inspect DB9 contacts and cable shielding regularly. Keep the panel power disconnected during card replacement to prevent backplane damage.
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