PROSOFT PLX31-MBTCP-SI
The PROSOFT PLX31-MBTCP-SI is an industrial-grade communication gateway module launched by ProSoft Technology. Its core function is to convert Modbus TCP/IP protocol to Siemens Industrial Ethernet protocol, enabling high-speed, bidirectional data communication between these two mainstream industrial networks.
1. Overview
Full Name: Modbus TCP/IP to Siemens Industrial Ethernet Gateway
Function Positioning: Designed for high-speed bidirectional data transmission between controllers or devices supporting Modbus TCP/IP (such as Siemens S7-1200, S7-1500) and Siemens S7-400, S7-300, S7-200, S7-1200, S7-1500 PACs.
Core Features: Equipped with data prioritization function, which can simplify the integration process, shorten debugging time, and optimize communication performance.
2. Key Specifications
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Parameter
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Specification/Description
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Power Supply
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24 VDC (nominal voltage), allowable range 10 to 36 VDC
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Power Consumption
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300 mA nominal, 610 mA maximum
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Operating Temperature
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-25°C to 70°C (-13°F to 158°F)
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Storage Temperature
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-40°C to 80°C (-40°F to 176°F)
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Environmental Adaptability
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Shock-resistant, vibration-resistant, moisture-proof (relative humidity 5% to 95% RH, non-condensing)
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Physical Dimensions
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5.38 x 1.99 x 4.38 inches
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Interface
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10/100Mbit Ethernet port
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3. Product Features
Multi-function Support: Supports multiple Modbus TCP/IP function codes (such as Read Coil Status, Read Holding Registers, Write Single Coil, Write Single Holding Register, etc.), and allows configuration of up to 10 clients and 5 servers.
Highly Configurable: Supports up to 160 fully configurable client commands, each of which can be enabled or disabled independently, and supports write-on-data-change function.
Safety and Certifications: Has passed multiple international safety certifications, including ATEX, CB, KC, UL, RoHS/CE, EAC and REACH, etc.
4. Structure and Composition
Industrial-grade Encapsulation: The module is ruggedly designed to operate in harsh industrial environments. The specific internal composition usually includes a power management module, an Ethernet interface module, a processor module, and an input/output interface module, but detailed internal layout information is rarely available in public materials.
5. Application Areas
Industrial Automation: Widely used in scenarios requiring data interaction between Modbus TCP/IP and Siemens PLCs (S7 series), such as sensor networks, remote monitoring systems, process control systems, etc.
Cross-platform Integration: In hybrid automation systems, it serves as a bridge to connect hardware devices from different manufacturers, ensuring data consistency and real-time performance.
6. Installation and Maintenance
Installation Method: Usually adopts DIN rail mounting or panel mounting, depending on the specific design of the industrial control chassis or distribution cabinet.
Maintenance Recommendations:
- Environmental Inspection: Ensure the installation environment meets its operating temperature and humidity requirements to avoid equipment failure caused by overheating or humidity.
- Power Supply Monitoring: Regularly check whether the power supply voltage is within the range of 10VDC to 36VDC to prevent voltage fluctuations from affecting communication stability.
- Firmware Update: Regularly check the ProSoft official website for new firmware versions to obtain the latest function optimizations and security patches.

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If you would like to learn more about our products and services, please feel free to contact us at any time!
- Sales Manager : Jinny
- Email : sales5@xrjdcs.com
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Global renowned brand cooperation
ABB 丨 GE 丨Allen Bradley 丨 Honeywell 丨 Emerson 丨 Bently Nevada 丨 Westinghouse
Triconex 丨 Foxboro 丨 ICS Triplex 丨 Hima 丨 Schneider 丨 Yokogawa 丨 Woodward
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Strengths
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Extensive InventoryWe offer a wide range of industrial automation components, including PLCs, DCS systems, HMIs, and power supplies, ensuring a diverse product selection for various industries.
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Global ReachWith an international customer base, we provide reliable cross‑continental shipping and services to clients worldwide.
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Competitive PricingBy sourcing high‑quality products at competitive prices, we deliver cost‑effective solutions that help businesses reduce operational expenses.
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Hard‑to‑Find PartsWe specialize in sourcing obsolete or discontinued components, making us a preferred supplier for rare industrial parts.
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Fast DeliveryWe ensure quick shipping options to minimize downtime for businesses needing urgent replacements or upgrades.
Q: What is your expertise?
A: We specialize in providing industrial automation components, including spare parts for PLCs, DCS systems, HMIs, power supplies, and other industrial equipment.
Q: Can you source obsolete or hard‑to‑find parts?
A: Yes, Xingruijia is known for sourcing discontinued or rare components that are difficult to find elsewhere.
Q: Do you offer international shipping?
A: Yes, we provide global shipping services to ensure customers around the world can access our products.
Q: How do you ensure product quality?
A: We perform strict quality assurance checks on all products to ensure they meet industry standards and operate reliably in demanding environments.
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