Product Overview

Technical Specifications

• Brand: Siemens
• Model:6ES7157-0AC85-0XA0
• Warranty: One Year
• Condition: 100% New & Original
• Product Type: FDC 157 Field Device Coupler
• Supply Voltage: 24V DC Industrial Power Supply
• Max Current Consumption:2.3 A
• Typical Power Loss: 13.4 W
• Communication Protocol: PROFIBUS DP, PROFIBUS PA, Foundation Fieldbus H1
• Transmission Rate: 45.45 kbit/s (PROFIBUS DP); 31.25 kbit/s (PA/H1)
• Bus Output Current: Up to 1000 mA integrated bus power supply
• Redundancy Function: Supports redundant bus operation for enhanced system stability
• Diagnostics: Built-in comprehensive bus and module status diagnostic functions
• Connection Interface: 9-pin Sub-D connector for PROFIBUS electrical connection
• Protection Grade: IP20
• Operating Temperature: -25°C to +60°C
• Storage Temperature: -40°C to +70°C
• Dimensions (W×H×D): 80 mm × 125 mm × 130 mm
• Certifications: Industrial standard CE certification
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Application Scenarios

• Process Industry Control Systems: The 6ES7157-0AC85-0XA0 is widely deployed in chemical, petrochemical, and pharmaceutical process automation systems. It realizes seamless protocol conversion between DP main stations and PA/H1 field instruments such as transmitters, valves, and flow meters, ensuring stable data interaction of process control loops.
• Oil & Gas Field Automation: Applied in oil and gas production and pipeline monitoring systems. Its redundant operation capability and professional bus diagnostic functions improve the reliability of field bus communication, reducing system downtime in high-requirement process scenarios.
• Water & Wastewater Treatment Plants: Suitable for distributed process control of water treatment equipment. The integrated bus power supply simplifies on-site wiring, while precise signal transmission ensures accurate monitoring and automatic adjustment of water quality, pressure, and flow parameters.