Description
PROSOFT 5302-MBP-MCM4 Gateway 4 Interface Module

5302-MBP-MCM4
The PROSOFT 5302-MBP-MCM4 serves as a bidirectional translator, enabling real-time data exchange between Modbus Plus networks (common in older industrial setups) and modern Modbus master or slave devices. For example, in a plant using a mix of legacy Modbus Plus sensors and newer Modbus TCP/IP controllers, this gateway bridges the gap, allowing operators to monitor and control all devices through a unified system. It’s particularly valuable in industries like oil & gas, chemical processing, and manufacturing, where retrofitting or replacing entire systems is impractical. By supporting both Modbus Plus and Modbus protocols, the 5302-MBP-MCM4 future-proofs industrial automation setups, ensuring compatibility with both existing infrastructure and new technologies.
Label |
Specification |
Model Number |
5302-MBP-MCM4 |
Brand |
PROSOFT |
Type |
Modbus Plus to Modbus Gateway |
Input Voltage |
10–30V DC (wide-range industrial power supply) |
Operating Temp |
-20°C to +70°C (-40°C to +80°C for extended temperature variants) |
Communication Method |
Modbus Plus (DB9 port), Modbus RTU (4x isolated serial ports) |
Mounting |
DIN-rail mountable (compact design for control panels) |
Weight |
~0.3 kg (lightweight for easy installation) |
Certifications |
CE, FCC Class A, RoHS compliant (suitable for global industrial use) |
Dimensions |
100mm x 72mm x 125mm (modular size for space-constrained racks) |
IP Rating |
IP20 (indoor use; protected against dust and accidental contact) |
Protocols Supported |
Modbus Plus, Modbus RTU Master/Slave, Modbus TCP (with optional Ethernet card) |
Data Transfer Rate |
Up to 115.2 kbps (Modbus RTU), 1 Mbps (Modbus Plus) |

5302-MBP-MCM4
The PROSOFT 5302-MBP-MCM4 stands out for its ability to handle complex protocol conversion with minimal latency. Its multi-port architecture—featuring one Modbus Plus port and four independent Modbus RTU serial ports—allows engineers to connect up to four separate Modbus networks simultaneously, reducing the need for multiple gateways. This flexibility is crucial in facilities with fragmented control systems, such as a pharmaceutical plant where different production lines use varying Modbus configurations. By consolidating communication paths, the gateway simplifies cabling and reduces hardware costs.
Durability is baked into the design: the
5302-MBP-MCM4 is built to withstand harsh industrial conditions, including voltage spikes, electromagnetic interference (EMI), and temperature fluctuations. Its isolated serial ports protect against ground loops and signal degradation, ensuring reliable data transmission even in noisy environments like metal processing plants. Operators benefit from the gateway’s
plug-and-play setup, which minimizes downtime during installation. PROSOFT’s intuitive configuration software allows users to map registers, set baud rates, and define master/slave roles without extensive programming, making it accessible to both seasoned engineers and technicians.

5302-MBP-MCM4
Interoperability is another key strength. The gateway supports a wide range of Modbus functions, including coil status, input registers, and holding registers, ensuring compatibility with virtually any Modbus-enabled device—from PLCs and HMIs to sensors and actuators. This makes it an ideal choice for retrofitting legacy systems into modern SCADA or IIoT architectures. For example, in a power plant upgrading to a cloud-based monitoring system, the
5302-MBP-MCM4 can translate data from Modbus Plus-based turbine controllers into a format compatible with the new Modbus TCP network, enabling remote diagnostics and predictive maintenance.
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