The SST-ESR2-CPX-P is a high-performance PLC communication module designed specifically for MODBUS systems, seamlessly integrating MODBUS Master/Slave ASCII and RTU MODBUS TCP/UDP Client/Server communications. Engineered for use with Allen-Bradley/Rockwell Automation CompactLogix PLCs, this in-rack module simplifies complex applications in industries like oil and gas and water treatment by streamlining communication and data acquisition. The module boasts a 10/100 Mbps Ethernet port and two configurable RS232/RS485/RS422 serial ports with 2,500 volts galvanic isolation, ensuring robust data transmission resistant to electrical noise. Operating efficiently within a temperature range of 0 to 60 degrees Celsius, the device is both CE and RoHS certified, offering reliable performance alongside user-friendly features like built-in LED status indicators and an SD card for data storage.