Description

The Molex (Brad) SST-SR4-CLX-RLL is a 4-channel isolated serial communication module designed by Molex (formerly Brad/Woodhead) for the Rockwell ControlLogix platform. It primarily supports Modbus RTU/ASCII master-slave protocols and is used for interconnecting PLCs with serial devices.

The product images shown are not actual photos. There are still more models that have not been launched yet.For more details or price negotiations, please contact us: Email: sales@fyplc.cn | WhatsAPP: +86 15359458915

Basic Information

Brand: SST

Model: SST-SR4-CLX-RLL

Series: SST™ 112078 Series

Compatible PLC: Allen-Bradley ControlLogix (Single Slot)

Origin: USA

Weight: Approx. 0.5 kg

Core Specifications

Number of Channels: 4 independent serial ports, electrically isolated

Interface Type: RS-232 / RS-422 / RS-485 (Configurable per channel)

Protocol: Modbus RTU / ASCII (Master / Slave)

Baud Rate: 110 ~ 115200 bps

Parallelism: None / Odd / Even configurable

I/O Data Area: Shared with ControlLogix, maximum 32K words

Configuration Software: Rockwell RS5000 + SST Console

Operating Temperature: 0°C ~ +60°C (Industrial Standard)

RLL Function: Remote Link Library, supports remote I/O links with Honeywell System Integration

Key Features
Four-Channel Isolation: Four serial ports are mutually isolated, providing strong anti-interference capabilities and suitable for parallel communication of multiple devices.

Modbus Versatility: Simultaneously supports RTU/ASCII, master/slave, with up to 127 slaves per port.

Plug and Play: Direct installation on the ControlLogix backplane, requiring no additional hardware.

Comprehensive Diagnostics: Features status LEDs, port monitoring, and fault logs for easy on-site troubleshooting.

Legacy System Migration: Connects to older I/O such as Honeywell TDC3000/PlantScape for smooth upgrades.

Typical Applications

Factory Automation: PLC interface with frequency converters, instruments, and serial sensors.

Process Control: Networking with third-party Modbus devices.

System Integration: ControlLogix interconnects with Honeywell DCS.

Equipment Retrofitting: Retains wiring for existing equipment; seamless replacement with new PLCs.