Products Description of 5201-MNET-MCM
Modbus TCP/IP to Modbus Master/Slave Gateway 5201/5202-MNET-MCM
The MNET-MCM modules are the ideal solution for the many applications where Modbus TCP/IP connectivity can be used to integrate Modbus Master/slave serial devices into a system. The Modbus TCP/IP gateway is a powerful module designed with both Client and Server support, enabling easy connection to other Modbus TCP/IP Devices (Modicon processors and many others). In combination with the Modbus Master/Slave device support, the module provides a very powerful interface to the many Modbus Master/Slave devices which are in use in the industrial marketplace today. Applications for the module are found in most industries, especially Manufacturing, Oil and Gas, Electrical Power and Food Processing.
Hardware Specifications of 5201-MNET-MCM
| Category | Item | Specification |
|---|---|---|
| Modbus TCP/IP Server | General | Up to 5 independent connections; Service Ports 502 (standard MBAP) & 2000 |
| Configurable | Module IP address, Modbus address offset | |
| Modbus TCP/IP Client | General | 1 client connection – up to 100 servers/devices with 100 commands |
| Configurable | Active-command count, minimum delay, response timeout, retry count, error pointer | |
| Command List | Up to 100 fully configurable commands | |
| Power Supply | Nominal / Range | 24 VDC nominal (18–36 VDC) |
| Terminals | Positive, Negative, GND (2.5 mm screwdriver) | |
| Maximum Current Draw | 500 mA @ 24 VDC | |
| Environmental | Operating Temperature | –4 to 122 °F (–20 to 50 °C) |
| Storage Temperature | –40 to 185 °F (–40 to 85 °C) | |
| Relative Humidity | 5%–95% RH, non-condensing | |
| Mechanical | Dimensions (Standard) | 5.20 H × 2.07 W × 4.52 in (132 × 52.5 × 114.8 mm) |
| Dimensions (Extended) | 5.20 H × 2.73 W × 4.52 in (132 × 69.34 × 114.8 mm) | |
| LEDs | Indicators | Power & Module Status, Application Status, Serial Activity, Serial Error |
| Serial Config Port | Interface | DB-9M RS-232 only, no hardware handshaking |
| Ethernet Port | Connector / LEDs | RJ45, Link & Activity LEDs |
Installation Guide
The ProLinx Modbus TCP/IP (MNET) driver can be used to interface many different protocols into the Schneider Electric Quantum family of processors as well other devices supporting the protocol. The MNET driver supports Client connections as well as Server connections, and, with the addition of the WEB hardware option, the gateway also provides HTTP, FTP and Email capability.
The Ethernet driver interfaces with a common internal database in the gateway. This permits the sharing of data across many different protocols and networks.
The following illustration shows the functionality of the MNET driver.

Modbus TCP/IP (MNET) Port
The gateway supports a client connection on the TCP/IP network to interface with processors (and other server based devices) using a user constructed command list of up to 100 entries. The gateway's internal database is used as the source for write commands to the remote processors. Data collected from the processors using read commands is placed in the gateway's database.
Data in the gateway's internal database is accessible for read and write operations by any node on the network supporting the MBAP (Service Port 502) or MNET (Service Ports 2000/2001) TCP/IP protocols. The MBAP protocol (Port 502) is a standard implementation defined by Schneider Automation and used on their Quantum Processor. This open protocol is a modified version of the serial Modbus protocol. The MNET protocol is an embedded Modbus protocol message in a TCP/IP packet. The gateway supports up to five active server connections on Service Ports 502, five additional active server connections on Service Port 2000, and one active client connection.
Contact US
Our address
32D floor, Guomao Building, No.388, Hubin South Road, Siming District, Xiamen
Phone Number/Whatsapp/Wechat
+86 18030132586
cn@mooreplc.com

General Specifications
1. 10 MB Ethernet Application port
2. Supports Enron version of Modbus protocol for floating-point data transactions
3. Configurable parameters for the client including a minimum response delay of 0 to 65535 ms and floating-point support
4. Supports five independent server connections for Service Port 502
5. Supports five independent server connections for Service Port 2000
6. All data mapping begins at Modbus register 400001, protocol base 0.
7. Error codes, network error counters, and port status data available in user data memory
Frequently Asked Questions
What is your return policy?
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1) Defective Items: Report any defects within 3 days of delivery.
2) Return Condition: Items must be returned unused and in original packaging for refund/replacement.
3) Quality Issues: If an item has a manufacturing defect, you may return it within 7 days for a full refund or replacement.
How do you ensure product 5201-MNET-MCM quality?
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Prosoft 5201-MNET-MCM Module undergoes strict quality inspection before shipment. In rare cases where issues arise, we will notify you promptly.
What are common signs of a failing module?
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Symptoms may include communication timeouts, missing data updates, or error messages from Modbus devices, indicating that data is not being exchanged properly.
Is the 5201-MNET-MCM still in production
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Yes. Units are available from existing inventory
How many Modbus TCP/IP connections does it support?
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The 5201-MNET-MCM module supports up to 5 independent Modbus server connections and one client connection capable of connecting to multiple Modbus devices for full network coverage.
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