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USR-PX531 CAN / Modbus to Profinet Industrial Protocol Converter
The USR-PX531 CAN / Modbus to Profinet Industrial Protocol Converter is a high-performance industrial communication gateway designed to seamlessly integrate legacy fieldbus devices with modern Profinet-based automation systems. It enables reliable data exchange between CAN bus or Modbus networks and Profinet controllers, making it an ideal solution for upgrading existing industrial infrastructure without replacing equipment.
Engineered for industrial environments, the USR-PX531 ensures stable and real-time data transmission with low latency, supporting efficient communication between PLCs, sensors, and control systems. It supports multiple protocol conversions, allowing CAN (CAN2.0A/B) and Modbus RTU/TCP devices to be easily connected to Profinet networks, widely used in advanced industrial automation.
Features
- Reliability & Stability
- Aluminum casing with IP40 protection.
- Industrial-grade design for extreme temperatures (-20°C to +70°C).
- Wide-voltage input (DC 9-36V) with reverse polarity protection.
- EMCLevel 3 protection, full-isolation protection to withstand harsh industrial environments.
- DIN-rail 35mm mounting
- Rich Interface
- PROFINET ports with integrated switch.
- standard Ethernet port for parameter configuration.
- CANinterface for connecting CANopen slave device.
- isolated RS485 serial port.
- Type-C interface for debugging.
Powerful Functionality
- Compliant with standard PROFINET protocol, enabling seamless integration with mainstream PROFINET
- master devices(e.g., Siemens series PLCs).
- Supports conversion from PROFINET slave to CANopen master.
- Supports conversion from PROFINET slave to Modbus RTU/TCP master, and from PROFINET slave to Modbus
- RTU/TCP slave.
- PROFINET supports up to 1400 input bytes and 1400 output bytes, with compatibility for 16 slot configurations.
- Allows connection of up to 127 CANopen slave devices, supporting up to 128 configurable SDO groups.
- Each slave group supports up to 128 RPDOs, totaling a maximum of 256 RPDOs; each slave group also supports
- upto 128TPDOs,totaling a maximum of 256 TPDOs.
- CANopen master features include heartbeat monitoring, error detection, NMT management, and more.
- Modbus RTU supports connection of up to 32 slaves, while Modbus TCP supports up to 8 slave connections.
- Edge data collection and computation for up to 2,000 data points
- Includes GSDML file for easy import into PROFINET master systems.
- Configuration via PC software, with CSV file import/export
- One-click factory reset (hardware/software)
- Built-in 120Ω terminal resistor, configurable via software
- Modbus function codes: 01, 02, 03, 04, 05, 06, 15, and 16
- User-defined IP address, port, slave ID, and register settings
Specifications
- Power Supply
- Power: Input 9-36VDC
- Working Current
- Idle:158mA/12V(avg),163mA/12V(max);
- Fullload:162mA/12V(avg),165mA/12V(max)
- Connector: 5.08×2Ppluggableterminalblockwithanti-reverseandscrewlock
- RS485 Interface
- Connector: 3.81×3Ppluggableterminalblockwithscrewlock
- Pin: A(RS485A),B(RS485B),G(GND)
- Baud Rate: 600~230.4Kbps
- Data bits: 8
- Stop bit: 1,2
- Parity bit: None, Odd, Even
- Ethernet Port
- PROFINET: 2×PROFINET(P1,P2),10/100Mbps,autoMDI/MDIX
- Ethernet: 1×RJ45port,10/100Mbps,autoMDI/MDIX
- Default IP: 192.168.0.7
- Gateway IP: 192.168.0.1
- Other Interface
- Indicators PWR,CAN,485,PN
- Reload Button Pressfor3–15storestorefactorysettings
- Type-C Debugging interface for troubleshooting
Package Includes
- 1x USR-PX531 CAN / Modbus to Profinet Industrial Protocol Converter
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)




