
Product Overview
ProSoft Technology PLX31-MBTCP-MBS Modbus TCP/IP to Modbus Serial Gateway with One Serial Communication Port and One Ethernet Port for remote configuration and diagnostics, Serial RS-232, 485 and 422, SD Card Slot for storing configuration files (SD Card is not included), DIN-rail mounted, 24V DC Power, allows high-speed bi-directional data transfers between Modbus TCP/IP-enabled PACs and Modbus Serial devices.
Technical Specifications
| Specification | Details |
| Product Name | PLX31-MBTCP-MBS |
| Manufacturer | ProSoft Technology |
| Supported Protocols | Modbus TCP/IP, Modbus RTU, Modbus ASCII |
| Ethernet Ports | 2 x 10/100Base-T, RJ45 |
| Serial Ports | 1 x RS-232/RS-485/RS-422 |
| Baud Rate (Serial) | 110 to 115200 bps |
| Max Modbus TCP Clients | 10 Clients |
| Max Modbus TCP Servers | 5 Servers |
| Max Modbus Serial Slaves | 247 Slaves |
| Max Modbus Serial Masters | 1 Master |
| Input Power | 12V - 24V DC |
| Power Consumption | 3W |
| Operating Temperature | -40°C to +70°C |
Mapping Data in Gateway Memory

Use the DATA MAP section in the ProSoft Configuration Builder to copy data betweenareas in the gateway's internal database. This allows you to copy data to differentaddresses within the gateway database in order to create simpler data requests andcontrol. You can use this feature for the following tasks.
• Copy a maximum of 100 registers per Data Map command, and you can configure amaximum of 200 separate copy commands.
• Copy data from the error or status tables in upper memory to internal databaseregisters in the user data area.
• Rearrange the byte and/or word order during the copy process. For example, byrearranging byte or word order, you can convert floating-point values to the correctformat for a different protocol.
• Use the Data Map to condense widely dispersed data into one contiguous datablock, making it easier to access.
Frequently Asked Questions (FAQs)
Q1: What is the primary function of the PLX31-MBTCP-MBS module?
A: The PLX31-MBTCP-MBS functions as a gateway that enables Modbus TCP/IP devices to communicate with Modbus RTU/ASCII devices, ensuring seamless protocol conversion.
Q2: How many Modbus TCP clients and servers can this module support?
A: The module supports up to 10 Modbus TCP clients and 5 Modbus TCP servers.
Q3: How many Modbus RTU/ASCII devices can be connected?
A: It supports up to 247 Modbus RTU/ASCII slave devices and 1 Modbus RTU/ASCII master.
Q4: What is the baud rate range for the serial communication port?
A: The module supports baud rates ranging from 110 bps to 115200 bps.
Q5: Does the PLX31-MBTCP-MBS support redundant Ethernet networks?
A: Yes, it features dual Ethernet ports, enabling network redundancy to minimize downtime.
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Inventory Stock
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| 1794-TB3G | TU831V1 3BSE013235R1 | 3500/60 163179-01 | 140CRP93100 |
| 1794-TB3S | TU840 3BSE020846R1 | 3500/62 163179-03 | 140CRP93200C |
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