SST-PFB-SLC communication module

SST-PFB-SLC communication module  

Product Details Introduction

Allen Bradley SST PFB SLC Communication Module

SST-PFB SLC is a PROFIBUS-DP master/scanner module designed specifically for Allen Bradley SLC 500 series PLCs. It is used to connect SLC controllers to the PROFIBUS network, enabling high-speed communication with remote I/O, frequency converters, servos, and other devices.

Brand and affiliation: SST (Brad Communications, now owned by Rockwell), compatible with SLC 5/03 and above processors.

Core function: PROFIBUS-DP master/slave, scanning PROFIBUS network I/O, realizing SLC and field device data exchange.

Communication ability:

Baud rate: 9.6 Kbps~12 Mbps (full standard rate)

Maximum slave stations: 96

Single slave I/O: 244 byte input+244 byte output

Scanning cycle: independent of SLC logic scanning, the main station scanning rate can reach 1ms

Hardware specifications:

Processor: Intel i960

Memory: 512 KB RAM, 288 KB shared memory, 512 KB Flash (configuration/firmware)

Interface: 1 × 9-pin D-Sub (PROFIBUS), 1 × 9-pin RS-232 (configuration/firmware upgrade)

Status indicator: COMM, SYS indicator lights, used for network/module diagnosis

Power Supply and Environment:

Power supply: 5V DC, 700 mA (backplane power supply)

Working temperature: 0 ° C~50 ° C; Storage: -25 ° C~70 ° C

Protection: IP20 (installed inside the cabinet)

Configuration and compatibility:

Configuration software: SST DP Configuration Software, compatible with Siemens COM Profibus

Data Mapping: Mapping to the I, O, M0, M1 file areas of SLC

Firmware: Supports on-site serial port upgrade

Application scenarios: SLC 500 system connected to PROFIBUS network, remote I/O expansion, frequency converter/servo control, distributed control system integration.

Product status: discontinued. The market mainly consists of new inventory, refurbished, and second-hand spare parts, used for inventory system maintenance.

This module is a classic solution for SLC 500 to connect to PROFIBUS, and has become a key component for upgrading/repairing old industrial control systems with high compatibility and stability.

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