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FAQs

Q1: What is the primary function of the 5201-MNET-MCM?
It is a protocol gateway that bridges Modbus TCP/IP Ethernet networks with Modbus serial devices. It allows Modbus TCP/IP clients to communicate with Modbus serial slaves (and vice versa), enabling seamless integration of legacy serial equipment into modern Ethernet-based control systems .
Q2: How many serial devices can this gateway support?
The standard 5201-MNET-MCM has 1 serial port (DB-9M RS-232). For applications requiring more serial connections, the 5202-MNET-MCM4 variant supports 4 serial ports and can connect up to 400 Modbus serial devices, significantly reducing the number of gateways needed .
Q3: What is the difference between the 5201-MNET-MCM and the 5201-MNET-MCM-WEB?
The 5201-MNET-MCM-WEB includes an integrated web server that serves as the primary interface for configuration, monitoring, and diagnostics. This eliminates the need for specialized software on the user's PC — engineers can simply enter the gateway's IP address in a standard web browser to access all parameters and view real-time diagnostic data .
Q4: Is the 5201-MNET-MCM still in production?
No. The 5201-MNET-MCM has been discontinued by ProSoft Technology . It is now available only through third-party suppliers and the used/refurbished market. For new projects, contact ProSoft for recommended replacement products.
Q5: What configuration software is required for this gateway?
The gateway is configured using ProSoft Configuration Builder (PCB) software. Configuration can also be done via the .cfg file and downloaded via Hyperterminal. The module has non-volatile memory for storing configuration files.