Description
The Molex SST-PFB-CLX (often associated with SST-PB3-CLX variants) is a high-performance backplane communication module engineered specifically for Rockwell Automation Allen-Bradley ControlLogix and Honeywell PlantScape distributed control architectures. It acts as a powerful PROFIBUS DP Master or Slave scanner, enabling seamless data exchange between ControlLogix processors and various PROFIBUS-compatible field devices, drives, and remote I/O. Below is the technical datasheet outlining ten core parameter specifications for this unit:
| Parameter | Specification Details |
| Manufacturer | Molex (BradCommunications / SST Division) |
| Model Designation | SST-PFB-CLX (SST-PB3-CLX-RLL compatible) |
| Product Type | PROFIBUS DP Master/Slave Communication Module |
| System Compatibility | Allen-Bradley ControlLogix and Honeywell PlantScape Systems |
| Supported Protocols | PROFIBUS DP-V0 and DP-V1 (Master / Slave modes) |
| Communication Speed | Up to 12 Mbps (automatic baud rate detection) |
| Data Capacity | Up to 1984 Input bytes and 1968 Output bytes (Paging Mode) |
| Backplane Current Load | Powered directly from the ControlLogix chassis backplane |
| Item Weight | Approximately 0.54 kg (1.2 lbs) |
| Country of Origin | United States / Canada |
📖 Product Usage Instructions
- 🛠️ Power Isolation: Always ensure that the ControlLogix chassis power supply is completely switched off and locked out before installing or extracting the communication module.
- 🔌 Secure Insertion: Align the module carefully with the designated slot in the ControlLogix chassis backplane, pushing evenly to engage the module pins securely without bending connections.
- 🔧 Configuration & Programming: Utilize the Windows-based SST configuration console via RLL (Remote Link Library) or Add-On-Profiles (AOP) in RSLogix 5000 to map network parameters and PROFIBUS slave nodes without writing complex ladder logic.
- 🧪 Status Monitoring: Observe front-panel diagnostic LED indicators and software diagnostic tools to verify network traffic, token passing, and active communication health during commissioning and run modes.
❓ Frequently Asked Questions (Q&A)
- Q: What is the primary function of the Molex SST-PFB-CLX module?
A: It serves as an advanced PROFIBUS scanner module designed to connect Rockwell ControlLogix controllers to PROFIBUS DP networks as a master or slave.
- Q: Does this module require custom ladder logic for data transfer?
A: No, data transfer can be configured using direct mapping or paging modes via Add-On-Profiles (AOP), eliminating the need for complex ladder logic programming.
- Q: Can the module be configured remotely?
A: Yes, the Remote Link Library (RLL) feature allows users to configure and diagnose the PROFIBUS network remotely via Rockwell’s RSLinx network routing.
🔍 Recommended Alternative Models & Series
To support your industrial automation network upgrades, maintenance, and spare parts management, here are ten alternative communication modules and controllers:
- Molex SST-PB3-CLX-RLL PROFIBUS Scanner for ControlLogix
- Molex SST-PB3-CLX-DTM PROFIBUS Scanner with CommDTM Driver
- Rockwell Automation 1756-EN2T EtherNet/IP Communication Module
- Rockwell Automation 1756-CNBR ControlNet Bridge Module
- Rockwell Automation 1756-RM2 Redundancy Module
- Hilscher CIFX 50-RE Real-Time Ethernet Communication Module
- ProSoft Technology PLX31-DT-MBTCP Modbus TCP Gateway
- Honeywell TC-CCR013 ControlNet Interface Module
- Honeywell TK-FTEB01 Fault Tolerant Ethernet Module
- Honeywell C300 Controller Module
