Description
Technical Specifications
- Product Model: SST‑PFB‑CLX‑RLL
- Brand: Molex (Woodhead / SST)
- Warranty: One Year
- Input Voltage: Powered via ControlLogix 1756 backplane; 850 mA @ 5 V DC backplane power consumption
- Operating Temperature: 0 °C ~ +60 °C; 5‑95 %RH non‑condensing
- Storage Temperature: ‑40 °C ~ +85 °C
- Response Time: PROFIBUS‑DP real‑time cycle depends on baud‑rate & slave count; up to 12 Mbps max baud ratePROFIBUS &…
- Protection Class: IP20, single‑slot 1756 ControlLogix rack‑mount module
- Accuracy Class: Communication interface module, no analog measurement accuracy
- Output Frequency: Not applicable, fieldbus communication
- Rated Current Range: Direct mode: 496‑bytes input / 496‑bytes output; Paging mode: 1984‑bytes input /1968‑bytes output
- Communication Interface: 1×DB9‑female PROFIBUS‑DP port; status LEDs (SYS, COMM, OK); backplane for ControlLogix 1756 chassis; includes RLL Remote Link Library support
- Supported Protocols: PROFIBUS‑DP‑V0/V1 Master Class1/Class2; also supports DP‑V0 slave mode; compatible with RSLogix5000 + SST PROFIBUS configuration tool
- Overload Capacity: On‑board surge & ESD protection; bus‑fault isolation; hot‑swap supported for ControlLogix chassis
- Dimensions: Standard 1756 single‑slot width; weight approx. 0.43 kg
- Compatibility: Allen‑Bradley ControlLogix 1756 series PLC; Honeywell PlantScape systems; supports up to 125 PROFIBUS‑DP slaves theoretical maximumPROFIBUS &…
Product Overview
The Molex SST‑PFB‑CLX‑RLL is third‑party PROFIBUS‑DP scanner/master module for Rockwell ControlLogix 1756 PLC platform. It acts as PROFIBUS‑DP master, connects ControlLogix controller to PROFIBUS‑DP remote‑I/O, drives, transmitters and field devices. It maps PROFIBUS‑DP slave process data directly into Logix controller data‑tables. RLL (Remote Link Library) enables remote configuration, monitoring and diagnostic access to the module over network. It supports direct‑mode and paged‑mode large‑data exchange, flash‑memory stores network configuration locally on module. It addresses typical automation pain‑points: integrating European PROFIBUS‑DP devices into Rockwell Logix platform, large‑volume PROFIBUS I/O data mapping, high‑cost of native Rockwell PROFIBUS modules, on‑site remote‑diagnostic requirements. Automation engineers, commissioning technicians and plant‑maintenance teams benefit from this unit. Hot‑swap function allows module replacement without chassis power‑off. It applies for new‑build multi‑vendor automation‑projects and drop‑in spare‑part replacement for existing SST‑PFB‑CLX‑RLL installations.
Application Scenarios
- Automotive Production‑Line ControlLogix Cabinet: Connect ControlLogix PLC to PROFIBUS‑DP servo drives, robot controllers, welding controllers and distributed remote‑I/O stations on assembly lines.
- Water‑Treatment & Waste‑Water‑Process Automation: Integrate PROFIBUS‑DP motor‑starters, flow/temperature transmitters and valve‑controllers into Rockwell‑based control‑system.
- Metallurgy & Heavy‑Industry Equipment Control: Links Logix CPU with PROFIBUS‑DP variable‑frequency drives and field‑I/O cabinets for heavy‑duty machinery.
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