Description

SST‑PB3‑CLX‑RLL PROFIBUS‑DP Communication Module

Technical Specifications

• Product Model: SST‑PB3‑CLX‑RLL
• Brand: SST
• Warranty: One Year
• Input Voltage: Powered by Rockwell 1756 ControlLogix backplane, 5 VDC backplane rail; typical consumption 2.1 W
• Operating Temperature: ‑20 °C ~ +60 °C rack‑mount
• Storage Temperature: ‑40 °C ~ +85 °C
• Response Time: PROFIBUS‑DP cycle time down to 1 ms; supports Sync / Freeze real‑time commands
• Protection Class: IP20, cabinet‑only indoor installation
• Protocol Compliance: PROFIBUS‑DP‑V0 / DP‑V1 certified; supports master (scanner) and slave operating modes
• Baud Rate: 9.6 kbps‑12 Mbps, auto‑baud detection or manual configuration
• Max Slave Nodes: Supports up to 125 PROFIBUS‑DP slave devices when operating as master scanner
• Process Data: Max 122‑word cyclic input + 122‑word cyclic output data buffer
• Physical Interface: DB9 female D‑SUB PROFIBUS connector; front‑panel multi‑color LED status indicators; small LCD diagnostic display
• Software Compatibility: RSLogix 5000 / Studio 5000 with Add‑On‑Profile (AOP); dedicated SST configuration utility for parameter setup and firmware upgrade
• Mounting: Standard 1756 ControlLogix chassis slot form‑factor
• Dimensions / Weight: 127 mm × 102 mm × 127 mm; approx 0.43 kgHMS
• 

Product Overview

The SST‑PB3‑CLX‑RLL is a high‑performance PROFIBUS‑DP communication interface module designed for Rockwell ControlLogix / GuardLogix 1756‑series PLC platforms. It acts either as a PROFIBUS‑DP master scanner or DP slave, enabling seamless cyclic and acyclic data exchange between ControlLogix controllers and PROFIBUS‑DP remote I/O, drives, transmitters and field instruments. Independent onboard communication processor off‑loads PROFIBUS protocol stack processing from the host PLC CPU to reduce main‑controller scan‑cycle burden. The front‑panel LCD and LED indicators deliver real‑time visual diagnostics for network status, link faults and module health, simplifying on‑site commissioning and troubleshooting. Certified DP‑V1 support enables non‑cyclic parameter access, alarm handling and diagnostic reading for intelligent field devices. It delivers stable communication performance under high‑EMI factory‑floor and process‑plant cabinet environments.

This communication module addresses cross‑protocol automation integration challenges: dual‑mode master/slave PROFIBUS‑DP operation, native ControlLogix backplane integration, comprehensive on‑board diagnostics, drop‑in spare‑part compatibility for legacy ControlLogix‑based retrofit‑maintenance projects. Automation integration engineers, manufacturing‑plant and process‑industry maintenance technicians and retrofit integrators benefit most. Typical applications: production‑line cross‑protocol PLC‑to‑field‑bus integration, material‑handling automation cabinets, process‑industry PROFIBUS‑DP device interconnection, legacy system migration projects.