Description
The Molex SST-PB3-CLX is a high-performance, in-chassis communication module designed specifically for the Rockwell Automation ControlLogix® platform. It enables seamless integration of PROFIBUS DP (Decentralized Peripherals) networks into ControlLogix systems, allowing the controller to act as a PROFIBUS master or slave. This module is widely utilized in large-scale industrial automation to bridge disparate network standards, ensuring reliable, high-speed data exchange between ControlLogix PLCs and various PROFIBUS-enabled field devices like drives, sensors, and remote I/O stations.

Key Technical Specifications
- Platform Compatibility: Designed for Allen-Bradley ControlLogix backplane integration
- Network Support: PROFIBUS DP-V0 and DP-V1 master/slave functionality
- Data Throughput: High-speed data exchange with support for complex acyclic messaging
- Configuration Tool: Integrated with the SST™ Profibus Configuration Tool for intuitive setup
- Diagnostic Features: Advanced on-board diagnostics for network monitoring and troubleshooting
- CPU Load: Offloads communication tasks from the ControlLogix processor to improve system efficiency
- I/O Capacity: Supports a large number of slave devices per channel (up to 125 slaves)
- Connectivity: Standard 9-pin D-sub PROFIBUS connector for robust field cabling
- Operating Temperature: Designed to meet rigorous industrial cabinet environmental standards
- Integration: Seamlessly maps PROFIBUS data into ControlLogix tag structures for easy programming
Related Network Communication Module Recommendations
For complex automation environments requiring multi-protocol support or high-density fieldbus integration, the following modules are often deployed alongside or as alternatives to the SST-PB3-CLX:
- SST-PB3-VME: PROFIBUS communication module for VMEbus-based systems.
- SST-PB3-PCU: PROFIBUS communication module for CompactLogix systems.
- ProSoft MVI56-PDPS: PROFIBUS DPV1 Master/Slave communication module for ControlLogix.
- 1756-CN2: ControlNet communication module for high-speed deterministic networking.
- 1756-EN4TR: EtherNet/IP communication module with dual-port redundancy.
- SST-DN4-CLX: DeviceNet communication module for the ControlLogix platform.
- 1756-DNB: DeviceNet scanner module for managing DeviceNet I/O.
- SST-ASI-CLX: AS-Interface gateway module for simple sensor/actuator networking.
- 1756-DHRIO: Data Highway Plus/Remote I/O communication module.
- 1756-CNB: ControlNet bridge module for system-level network coordination.


