Molex SST-E SR2-CLX-RLL ControlLogix Communication Module
Product Description
SST-E SR2-CLX-RLL (formerly Woodhead/Brad SST), a Molex multi-protocol communication module for Rockwell ControlLogix (1756 backplane) rack-mounted system. It enables data bridging between ControlLogix PLC and Modbus-TCP, Modbus RTU/ASCII, and Siemens S5/S7 protocol devices; the RLL version supports remote configuration and diagnostics via RSLinx. The module occupies a single slot and cannot operate independently; it must be inserted into the 1756 local/remote rack.
Product Performance
1. The single module integrates Ethernet + dual serial ports, capable of handling multiple protocols such as Modbus and Siemens, enabling communication between Rockwell PLC and third-party devices.
2. Unique to RLL version**: Supports RSLinx remote configuration and diagnostics, without the need for local USB connection.
3. Two data interaction modes: Simple direct connection mode does not require writing a large amount of ladder logic; paging mode supports large-capacity data exchange.
4. Comes with AOP files, seamlessly integrates RSLogix5000 programming environment, simplifying configuration.
5. USB interface supports firmware update, backup / restoration of configuration parameters.
6. Supports multiple modules coexisting on the same rack, suitable for large-scale multi-device communication projects.
7. Worn-out production spare parts. When replacing, check the model suffix. Ordinary ESR2-CLX does not have RLL remote function and cannot be directly interchanged.
Application Fields
Factory automation and process control; water treatment, oil and gas, metallurgical production lines; Integration of ControlLogix system with Modbus instruments and frequency converters; Integration with Siemens S5/S7 series PLCs; Replacement of spare parts for outdated automation systems.
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