PHOENIX PSM-ME-RS232/RS485-P Communication Module

Product Description

PHOENIX CONTACT PSM-ME-RS232/RS485-P is an industrial serial communication interface converter module designed to convert RS-232 signals to RS-422/RS-485 interfaces. It provides electrical isolation and reliable data communication for industrial automation systems.

Specifications

• Brand: PHOENIX CONTACT
• Model: PSM-ME-RS232/RS485-P
• Product Type: Communication Interface Converter
• Function: RS-232 ↔ RS-422 / RS-485 Conversion
• Communication Interface: RS-232, RS-422, RS-485
• Protocol: Transparent protocol / Modbus compatible
• Transmission Speed: Up to 115.2 kbps
• Transmission Distance: Up to 1200 m (RS-422/RS-485, shielded twisted pair)
• Isolation: Electrical isolation between power supply, RS-232 and RS-485 interfaces
• Power Supply: 19.2–28.8V AC/DC (24VDC nominal)
• Mounting: DIN rail mounting
• Protection Class: IP20

Advantages & Features

• Reliable RS-232 to RS-485/RS-422 signal conversion
• Electrical isolation improves system safety and stability
• Long-distance serial communication capability
• Strong resistance to electromagnetic interference
• Supports industrial Modbus communication applications
• Compact DIN-rail design for easy installation
• Suitable for harsh industrial environments

Applications

• Industrial automation systems
• PLC communication networks
• Remote I/O systems
• Building automation
• Process control systems
• Machine communication interfaces
• Industrial data acquisition systems

Notes

• Verify communication interface compatibility before installation
• Use shielded twisted-pair cable for RS-485 communication
• Check baud rate and communication parameters before operation
• Ensure correct wiring and grounding
• Do not exceed rated voltage and environmental limits