Product Overview

The Siemens A1A461D85.00M is a high-reliability industrial networking module designed to facilitate secure, noise-immune data exchange via optical fiber. Engineered for use within the Robicon drive ecosystem and broader PLC architectures, this module acts as a specialized bridge between electrical RS485 signals and optical media. By utilizing fiber optic technology, the A1A461D85.00M eliminates the risks associated with electromagnetic interference (EMI) and ground loops, which are prevalent in heavy industrial environments. This interface is particularly critical for long-distance communication runs where signal integrity must be maintained across high-voltage zones. This German-manufactured module is essential for high-availability automation systems requiring 24/7 connectivity.

Advanced Connectivity Specifications and Hardware Metrics

This communication board is optimized for durability, featuring protective conformal coating and specialized optical ports for resilient data transmission.

• Manufacturer Siemens (Robicon Division)

• Model Number A1A461D85.00M

• Technical Basis Optimized 6GK1503-2CA01 Architecture

• Interface Ports 1 x RS485 Sub-D connection and 1 x Plastic FOC (Fiber Optic Cable) port

• Socket Configuration Dual BFOC (ST) sockets for optical fiber termination

• Environmental Protection Conformal coating for moisture and chemical resistance

• Component Mass 0.82 kg

• Physical Dimensions 26 x 23 x 3.5 cm

• Thermal Tolerance Rated for operation between -25°C and +60°C

• Transmission Support PROFIBUS and Industrial Ethernet protocol compatibility

• Diagnostic Features Integrated signaling contacts and dedicated test ports for signal verification

• Manufacturing Origin Germany

Industrial Deployment and Networking Applications

The A1A461D85.00M serves as a backbone for secure data transmission in sectors where electrical isolation is a mandatory safety requirement.

• High-Voltage Drive Communication Facilitating control signals between VFD cabinets and remote PLC racks in power generation and metal smelting plants.

• Profibus Network Extension Expanding the reach of industrial bus systems across large manufacturing floors without the risk of electrical noise corruption.

• Automotive Assembly Lines Providing stable data links for robotic cells where high-frequency welding equipment generates significant EMI.

• Hazardous Zone Isolation Connecting equipment in different facility areas to prevent electrical faults from propagating through communication cabling.

• Energy Management Systems Serving as a SIPLUS NET certified link for renewable energy monitoring and substation automation in volatile outdoor temperatures.